By Screw Patents (Class 433/174)
  • Patent number: 9474587
    Abstract: Disclosed is a denture-fixing attachment freely adjustable in angle and position and including a rotation guide member installed at the center of the denture-fixing attachment, having a lower portion to be inserted into a fixture groove of a fixture, a thread being formed at a rim of the fixture groove, so that the rotation guide member may be coupled with the fixture having the fixture groove, a rotation guide member angle restriction cover positioned on the rotation guide member and provided therein with a through hole, and a ball joint having a ball joint lower portion placed in a rotation guide member inside provided in a ball joint angle restriction cover.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: October 25, 2016
    Inventor: Je Won Wang
  • Patent number: 9474589
    Abstract: The invention relates to a multi-part tooth implant with at least a proximal implant part and a distal implant part that are to be connected to each other such that a connection site is obtained when the two implant parts are in the connected state. An annular sealing element is arranged at this connection site and, in the fully assembled state of the tooth implant, is clamped between mutually opposite sealing surfaces, namely a sealing surface of the proximal implant part and a sealing surface of the distal implant part, such that the sealing element has an outer surface portion that forms part of the outer contour of the tooth implant. The two sealing surfaces initially approach each other in a direction oriented outwards from a central longitudinal axis of the tooth implant.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: October 25, 2016
    Assignee: MEHRHOF IMPLANT TECHNOLOGIES GMBH
    Inventor: Jurgen Mehrhof
  • Patent number: 9452028
    Abstract: An externally-threaded, endosseous dental implant includes an elongated body that is straight or tapered, and that includes external, distal regular threads, external micro-threads proximal to the regular threads, and external micro-grooves proximal to the micro-threads, with an internal passage in the body of the implant, the passage including internal threads, or internal multi-sided adaptor-engaging surfaces, or both.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: September 27, 2016
    Inventor: Gerald A. Niznick
  • Patent number: 9452029
    Abstract: A hybrid, detachable dental attachment device comprising a cap for securing a dental appliance, a ring, and an abutment to attachment to a tooth root or implant. Also described herein are methods of securing a dental appliance in a subject's mouth by means of the dental attachment device. Further described herein is a dental attachment device for immediate load on a provisional denture and then incorporated into the final restoration.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: September 27, 2016
    Assignee: ZEST IP HOLDINGS LLC
    Inventors: Scott Mullaly, Christopher Michael Gervais, James Irwin Johnson, Richard Robert Allen, Theodore Matthew Powell
  • Patent number: 9439738
    Abstract: An implant device has an exterior portion forming an exterior surface of the implant. The exterior portion is made of a porous material defining passages through the exterior portion. An inner portion has an outer surface with a treated area that is accessible from the exterior surface through the passages. The treated area has a treatment for direct attachment to bone or soft tissue.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: September 13, 2016
    Assignee: Zimmer Dental, Inc.
    Inventor: Matthew J. Lomicka
  • Patent number: 9433482
    Abstract: A human body implant structure includes: a support anchor which is embedded into a bone body; a support base which is placed on and fixed to an upper portion of the support anchor; and a lost-part compensation part which is mounted on an upper portion of the support base, wherein the support anchor and the support base are configured to be detachably fitted to each other by way of the taper fitting structure where the support anchor and the support base are brought into close contact with each other, and a stepped portion which is formed of an upper surface of the support anchor is formed on a boundary between a female threaded hole which is vertically formed in the support base and a vertical hole formed in the upper surface of the support anchor.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: September 6, 2016
    Assignee: Arthro Co., Ltd.
    Inventor: Tsunehisa Shimoda
  • Patent number: 9358093
    Abstract: The present disclosure relates to a bioimplantable device having a superhydrophobic surface and a method for manufacturing the same. The bioimplantable device, which includes a biocompatible substrate and a superhydrophobic nanostructure formed on the surface of the biocompatible substrate, is capable of preventing blood clot formation by blocking contact with proteins, water, blood platelets, etc. when used for blood vessels.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: June 7, 2016
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Soo Hyun Kim, Jin Ik Lim, Youngmee Jung
  • Patent number: 9314318
    Abstract: A dental anchor apparatus having a one or two part endosseous implant securable in a patient's mouth and a retention member which is releasably engageable with the implant. The implant has an abutment head at one end and a threaded post projecting from the head and designed for threaded engagement in the jaw bone, the head having an outer locating surface portion. The retention member is generally cupshaped with a first end and a peripheral skirt extending from the first end to form a cavity, the skirt having an inner locating surface which is engaged over the outer locating surface portion of the head. The head may also have a socket in which a post extending from an inner end of the retention member engages as the parts are moved into releasable snap engagement.
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: April 19, 2016
    Assignee: ZEST IP HOLDINGS, LLC
    Inventors: Scott Mullaly, Paul T. Zuest
  • Patent number: 9289275
    Abstract: The invention discloses a bionic tooth implant, comprising a main root and a basal platform, wherein the main root comprises a fixing root part positioned at the lower part thereof and a basal platform positioned at the upper part thereof; the bionic tooth implant also comprises at least one subsidiary root; the basal platform is mounted on the main root via the basal platform of the main root, wherein an inclined hole is provided on the basal platform; an inclined-direction hole communicated with the inclined hole is provided on the main root; the subsidiary root comprises the fixing root part positioned at the lower part thereof and a connected part positioned at the upper part thereof; the connected part is mounted in the inclined hole; the subsidiary root extends from the inclined-direction hole through the main root; and at least a part of the fixing root part is positioned at the outer part of the main root.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: March 22, 2016
    Inventors: Daguo Zhao, Dazhang Wang, Maosheng Su, Guangda He, Guosheng Liu
  • Patent number: 9271845
    Abstract: Various embodiments of implant systems and related apparatus, and methods of operating the same are described herein. In various embodiments, an implant for interfacing with a bone structure includes a web structure, including a space truss, configured to interface with human bone tissue. The space truss includes two or more planar truss units having a plurality of struts joined at nodes. Implants are optimized for the expected stress applied at the bone structure site.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: March 1, 2016
    Assignee: 4WEB
    Inventors: Jessee Hunt, Timothy Ganey
  • Patent number: 9237915
    Abstract: A bone screw and a method for manufacturing the same includes a screw thread configuration having one or more grooves cut into a leading face of the thread, a trailing face of the thread, and/or the shaft between the threads. Other implementations include the incorporation of facets into the one or more grooves. The implementation of the one or more grooves increases the surface are of the orthopedic screw and functions to increase in anchoring the bone screw within the bone once inserted therein, and thereby reduce the possibility for the screw backing out after insertion.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: January 19, 2016
    Assignee: ORTHPEDIC MEDICAL CHANNELS, LLC
    Inventors: Wayne A. Willert, Andrea Willert
  • Patent number: 9173722
    Abstract: An anchor for securing a tooth replacement includes an anchoring part secured to an implant or jaw, having a recess, and a pivoting part to which the tooth replacement can be secured and which contains a pin. The pivoting part is pivotable with respect to the anchoring part when the pin is received in the recess. The anchor is configured to permit application of a hardenable substance in the recess of the anchoring part so as to fix the pivoting part in a defined position of pivoting.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: November 3, 2015
    Assignee: CENDRES + METAUX SA
    Inventors: Adrian Auderset, Markus Bluemli, Mathias Strazza, Daniel Blaser, Gary Cooper, Elmar Mock, André Klopfenstein
  • Patent number: 9161825
    Abstract: A coupling assembly, particularly for dental implants, having at least one pin, which can be coupled rigidly to a bone portion, and a supporting element, which can be associated with a prosthesis. The pin has, at its end portion that lies opposite the one designed for connection to the bone portion, a protruding tab that can be accommodated by elastic forcing in a respective cavity formed in the supporting element so as to produce a stable coupling configuration between the pin and the supporting element. The tab is shaped like a substantially equatorial portion of a sphere with an outer lateral surface adapted to abut, with at least one part thereof, against the internal side wall of the cavity, to determine stable coupling configuration.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: October 20, 2015
    Assignee: OT IMPLANT S.R.L.
    Inventor: Ezio Nardi
  • Patent number: 9125708
    Abstract: A medical implant and a method of implanting a medical implant are described. In some embodiments, the medical implant can include an apical bone anchoring portion for bone apposition, and an unthreaded coronal portion. The coronal portion can have a length (L2) exceeding or equaling a length (L1) of the apical portion. Further, in some embodiments, the apical portion has a maximum outer diameter (D1) that is equal to or larger than a maximum outer diameter (D2) of the coronal portion. In some embodiments of the method, an apical part of an implant is affixed in the zygomatic bone, and a coronal part is positioned outside the maxilla in the mucous membrane.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: September 8, 2015
    Assignee: Nobel Biocare Services AG
    Inventors: Paulo Malo Carvalho, Lars Jörneus, Henrik Petersson
  • Patent number: 9119901
    Abstract: Embodiments include a method for promoting selective tissue attachment to medical implants. By treating implant surfaces where tissue attachment is desired with tissue attachment promoting treatments, and treating implant surfaces where tissue attachment is not desired with tissue attachment inhibiting treatments, selective tissue attachment to medical implants may be achieved. Also, embodiments include an implant with at least one tissue contacting surface and at least one secondary surface where tissue attachment is not desired, and appropriate tissue attachment promoting or inhibiting treatments on the surfaces.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: September 1, 2015
    Assignee: Warsaw Orthopedic, Inc.
    Inventors: Hai H. Trieu, Fred Molz
  • Patent number: 9113978
    Abstract: An implant for insertion into the jawbone, the implant including a helical body for receiving at least part of a prosthetics pillar, the prosthetics pillar configured for insertion into the implant, the prosthetics pillar comprising a screw section with an external thread, and the prosthetics pillar further configured to carry an artificial tooth.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: August 25, 2015
    Assignee: HELIOCOS GmbH
    Inventor: Reinhold Grabosch
  • Patent number: 9095396
    Abstract: A dental implant can include a shaft defining a longitudinal axis and having an apical end, a coronal end, and an exterior surface. A portion of the exterior surface can include a porous material. The dental implant can include at least one thread, including a non-porous material, having an interior surface and a bone-engaging surface. The interior surface can engage and wind around the exterior surface of the shaft and the bone-engaging surface can extend outwardly from the exterior surface of the shaft. The shaft can include one or more channels configured to communicate a flowable material, stored within the shaft, to the exterior surface. Each channel can include an opening at the exterior surface to release the flowable material. At least one channel can extend between a cavity of the shaft and the exterior surface and can optionally be angled toward the apical end.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: August 4, 2015
    Assignee: Zimmer Dental, Inc.
    Inventors: Michael Scott Collins, Jeffrey Bassett, Steven Pelote, Joseph A. Salvi, Shahram Zamani, Mojtaba Esfahani
  • Patent number: 9095397
    Abstract: The invention relates to an arrangement for insertion of an implant, in particular of a dental implant, which has an external thread and can be screwed into a bone by means of a tool, wherein the implant has a receiving opening with an at least partially conical inner face. A pin of an attachment part, which can be connected to the implant after the latter's insertion, can be fitted into the receiving opening. The arrangement is to be further developed such that the insertion of the implant can be performed in a simple and yet functionally reliable manner.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: August 4, 2015
    Assignee: Friadent GmbH
    Inventors: Egbert Kremer, Volker Biehl, Andre Spanel, Philip Cantzler
  • Patent number: 9078719
    Abstract: A dental implant system is described, including a lower implant body configured to be implanted in bone, and an upper implant body that couples to the lower body, thereby forming a cavity between upper and lower bodies. The system can further include a rotatable, swivelable anchor having a base at least partially disposed within the cavity. The anchor may have a shaft coupled to the base and extending through an opening in the upper body. The system may also include an abutment that couples to the shaft of the anchor and serves as a mounting area for a crown. The anchor's rotatability and swivelability allow the lower implant body to be implanted at an angle in bone while permitting the crown to be positioned in a natural tooth orientation.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: July 14, 2015
    Assignee: JBSG MANAGEMENT LLC
    Inventors: Jim McBride, Gonzalo Covarrubias, Souhail Toubia, Bradford Staph
  • Publication number: 20150147722
    Abstract: A bionic fixing apparatus is provided. The bionic fixing apparatus includes a flexible portion having at least one trench. The trench is disposed on the surface of the flexible portion and has a first end and a second end. An interval is disposed between the first end and the second end. The trench is disposed for spreading the stress applied on the bionic fixing apparatus and preventing stress concentration and stress shielding.
    Type: Application
    Filed: November 26, 2014
    Publication date: May 28, 2015
    Applicants: NATIONAL TAIWAN UNIVERSITY HOSPITAL, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Pei-Yi TSAI, Chih-Chieh HUANG, Yi-Hung WEN, Hsin-Hsin SHEN, Yi-Hung LIN, De-Yau LIN, Jui-Sheng SUN, Chuan-Sheng CHUANG, An-Li CHEN, Ching-Chih LIN
  • Publication number: 20150147721
    Abstract: A flexible dental prosthesis system which allows coupling various elements without having to use screws. The system of the invention comprises a longitudinally elongated flexible screw having a first end suitable for being fitted by means of threading in a dental implant and a second open end that can be inwardly deformed having a threaded hole on its inside and a projecting flange on its outside; a transmucosal post with a through hole suitable for inserting the flexible screw; and an upper connection element having a hole at one of its ends suitable for being coupled on the second end of the flexible screw by means of an inner recess in said hole corresponding with the projecting flange on the outside of the second end of the flexible screw.
    Type: Application
    Filed: April 24, 2013
    Publication date: May 28, 2015
    Applicant: Dentisel, S.L.
    Inventor: Xavier Costa Codina
  • Patent number: 9039417
    Abstract: A jaw implant includes an implant body comprising a top end, a base end, an axial line, an acute-angled long side, an obtuse-angled short side, a body core. An oval opening disposed at the top end comprises an opening edge lying in an opening plane inclined with an angle of inclination of 75° to 45° with respect to the axial line so that the implant body has an axial length on the acute-angled long side longer than on the obtuse-angled short side. An external thread structure comprises a lead comprising a lower side facing the base end, an upper side facing the top end, and a wedge angle disposed between the upper side and the lower side. A bisecting line of the wedge angle and the axial line of the implant body form a tilt angle which is smaller on the acute-angled long side than on the obtuse-angled short side.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: May 26, 2015
    Inventor: Marcus Abboud
  • Patent number: 9039416
    Abstract: A splint abutment placed on osseointegrated implant for supported prosthesis rehabilitation made of several materials, without restrictions, is provided. This permits the placement of two prosthetic crowns over a single implant with two pins or possibly one and the divergent marginal or cervical girdle, thus providing better biomechanics, marginal sealing, occlusal stability, aesthetics and hygiene maintenance of prosthesis. The shape and contour of the splint abutment provide harmonious distribution and absorption of functional load. Further, a dispositive is provided as a specific piece made of material, without restriction, for fitting between the implant and the splint abutment, which will determine the compensatory and corrective slant adjusting the position of the “abutment” according to the required correction of rotational and multidirectional angulations of the implants for correct rehabilitation. The above-described elements are believed to assure greater predictability of the results.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: May 26, 2015
    Assignee: ITP—INSTITUTO DE TECHOLOGIA E PESQUISA LTDA
    Inventors: Branca Fraga de Resende Chaves, Maria Auxiliadoro Mourão Martinez, Luciana Silva Colepícolo
  • Publication number: 20150140510
    Abstract: A locking cap for dental implants embedded in hard dental tissue, such as tooth stubs or bones. The locking caps are ovoidal in plan view and may be formed of materials, such as non-adherent polymers, that are rigid, but softer than the material of the dental implant.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 21, 2015
    Inventor: Bernard Weissman
  • Patent number: 9017075
    Abstract: A bone implant includes an implant having an implantation end and a connection end. A blind hole is formed in the connection end and extends in an axial direction, defining an abutment receiving section and a locking section. The abutment receiving section includes an anti-rotation portion having a minimal inner width perpendicular to the axial direction. An abutment includes an elastic, deformable portion, a connection portion, and a prosthesis engagement portion. The abutment further includes a bore extending in the axial direction. The elastic, deformable portion includes resilient plates, with a slit formed between two adjacent resilient plates. The elastic, deformable portion has a maximal outer width larger than the minimal inner width. The elastic, deformable portion is aligned and engages with the anti-rotation portion. An abutment screw includes a head end positioned in the bore of the abutment and a locking end engaged with the locking section.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: April 28, 2015
    Assignee: Metal Industries Research & Development Centre
    Inventors: Tung-Lin Tsai, Bo-Wei Pan, Yi-Chin Chen, Pei-Hua Wang
  • Publication number: 20150111175
    Abstract: In one aspect, a multi-use prosthetic component is provided. In certain examples, the component comprises a prismatic head, external marks and internal hexagon for indexing, fitting and orientation of the assembly. In another aspect, a dental implant system is provided, where in certain examples the system includes a covering cylinder, a plastic cover, a set screw and an implant with an external hexagon, which allows for, in addition to the function as a conventional assembler, capturing the implant in the packaging, shipping and installation in the bone tissue, application of torque, impression coping, a prosthetic pillar indexed to the implant device, and 3D orientation during surgery.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 23, 2015
    Inventors: Geninho Thome, Alexsander Luiz Golin, Ilderaldo Jose Lucca, Almir Borges Zvetz, Felix Andreas Mertin
  • Publication number: 20150104755
    Abstract: A winged implant for implantation within osseous tissue or bone, comprising an implant body having a first external threading, and a second external threading parallel to the first external threading; a first wing member projecting radially outwardly of said implant body, as a smooth continuation of said first external threading; a second wing member projecting radially outwardly of said implant body, as a smooth continuation of said second external threading, wherein said first wing member and said second wing member extend annularly around said implant body.
    Type: Application
    Filed: December 18, 2014
    Publication date: April 16, 2015
    Applicant: Cortex Dental Implants Industries Ltd.
    Inventors: Zvi Laster, Ole T. Jensen, Meir Mamraev
  • Publication number: 20150099239
    Abstract: An endosseous implant for an implantation in a periodontal tissue made of a sintered ceramic material. The first surface of the implant is configured to be implanted in an alveolar bone tissue. The first surface texture has patterns of recessed alveolar cavities with a closed outline whose average width lies between 8 ?m and 15 ?m and a surface finish lying between 1 ?m and 3 ?m. The second surface of the implant is configured to be implanted in a cortical bone tissue. The second surface texture has a pattern of recessed alveolar cavities with a closed outline whose width lies between 1.5 ?m and 5 ?m and a surface finish lying between 0.1 ?m and 0.5 ?m. The first and second textures replicate surface texture of tissues similar to the implantation alveolar bone tissue and implantation cortical bone tissue, respectively.
    Type: Application
    Filed: December 15, 2014
    Publication date: April 9, 2015
    Inventors: JEANNINE GOURLAOUEN-PREISSLER, BERTRAND BUSSON
  • Publication number: 20150099240
    Abstract: The present invention relates to a set of fixtures for installation in bone tissue. Each fixture provides a static strain to the bone which is different from the static strain provided by the other fixtures of the set. The difference in static strain may be at least with respect to magnitude and/or axial extension. The invention also relates to an implantation system and a method of selecting a fixture from a set of fixtures.
    Type: Application
    Filed: December 16, 2014
    Publication date: April 9, 2015
    Inventors: STIG HANSSON, ANDERS HALLDIN
  • Patent number: 8998612
    Abstract: Provided are a dental implant fixture and an implant system including the same. The implant system includes at least two fixtures. The at least two fixtures includes a first fixture including a first body and a first thread part, the first thread part having a spiral shape and disposed on at least a part of an outer surface of the first body; and a second fixture including a second body and a second thread part, the second body having the same shape and standard as those of the first body, the second thread part having a spiral shape and disposed on at least a part of an outer surface of the second body. A diameter of the second thread part is different from a diameter of the first thread part.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: April 7, 2015
    Assignee: Megagen Implant Co, Ltd.
    Inventor: Kwang Bum Park
  • Publication number: 20150093717
    Abstract: The present invention is generally related to implants for compensating bone loss in mammalian body, and to devices and methods for replacing or creating facial bone. The present invention relates to devices and methods for implanting an implantable device in a subject's body. The implantable device embodying features of the present invention include a body formed from a rig or matrix having a trabecular meshwork structure or cells with shapes suitable for a particular anatomical area of interest. The device may be a dental implant serving as a platform for placement of dental crowns.
    Type: Application
    Filed: October 11, 2014
    Publication date: April 2, 2015
    Inventor: Mohamed Ikbal Ali
  • Patent number: 8992222
    Abstract: An asymmetrically placement designed to preserve bone by having the coronal aspect being compatible with the bony anatomy at the time of tooth extraction. The implant may be of either a single or two state design. By modifying the top of the implant fixture to partially mimic the bony anatomy at the time of the extraction more crestal bony anatomy can be preserved and bone growth encouraged.
    Type: Grant
    Filed: May 1, 2013
    Date of Patent: March 31, 2015
    Inventor: Richard D. Cottrell
  • Publication number: 20150086942
    Abstract: The present invention relates to a dental implant fixture for implanting a correction tooth as a dental implant into alveolar bone. Particularly, the dental implant fixture has self-vertical drilling, self-horizontal drilling, self-cutting, self-condensing, and self-direction changing functions. The dental implant fixture can increase primary stability and penetration performance, has good ability to correct implantation errors, and can minimize the need for drilling that increases the probability of error or failure.
    Type: Application
    Filed: March 29, 2013
    Publication date: March 26, 2015
    Inventor: Jeong bin HWANG
  • Publication number: 20150086943
    Abstract: Two-part implant for attachment of artificial teeth comprising a base body having a bone contact surface and a soft tissue contact surface. The soft tissue contact surface is at least partially hydroxylated or silanated which results in an improved soft tissue integration.
    Type: Application
    Filed: September 2, 2014
    Publication date: March 26, 2015
    Applicant: STRAUMANN HOLDING AG
    Inventors: Frank Schwarz, Jurgen Becker, Marco Wieland, Michel Dard
  • Patent number: 8986381
    Abstract: A structural/biological implant and method of use. The implant being utilized as a single or multiple staged system that is designed to encourage new alveolar bone growth with or without the need to obtain autologous bone. The implant has an apical portion that is fastened into existing bone, with the remainder of the implant left outside of existing bone. The exposed portion of the implant may have an external shape or configuration with a variety of attached and/or integrally formed mechanical retention and stability elements. Osteotropic/angiotropic material may be associated with the implant to induce and or conduct new bone growth and possible vascularization, thus, rather than fitting the implant into the bone, the bone is grown integratively with the implant.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: March 24, 2015
    Assignee: University of Connecticut
    Inventors: Martin Allen Freilich, John Robert Kelly, Rebecca Lee Cochrane
  • Patent number: 8986007
    Abstract: A restorable zirconium dioxide-based one piece implant includes an implant root made of zirconium dioxide and having a bottom coarse thread portion mounted in a gum of a patient and a top fine thread portion at a top side of the bottom coarse thread portion, an abutment formed integral with a top end of the top fine thread portion of the implant root for mounting a crown, and a vertical center hole extending vertically downwardly from a topmost edge of the abutment into the implant root toward a bottom end of the bottom coarse thread portion of the implant root and having a length greater than ? of the combined length of the implant root and the abutment, so when the abutment breaks, the vertical center hole provides a space for the application of post and core technology to embed a post in the broken abutment to restore the abutment.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: March 24, 2015
    Assignee: Star Generation Limited
    Inventor: Chun-Leon Chen
  • Patent number: 8979533
    Abstract: The invention relates to an implant for anchoring a prosthesis in the jaw of a patient, having a base body (1) and a post (2) connecting to the top thereof, wherein the post (2) engages with a recess opening (3) of the base body (1) in a positive and non-positive manner and can be firmly connected thereto. In order to improve such an implant, the invention suggests that a sealing collar (4) surrounding the recess opening (3), and an annular groove (5) surrounding the sealing collar (4) be provided on the top of the base body (1), wherein the post (2) has a circumferential shoulder (6) on the bottom thereof facing the base body (1), the shoulder having a shape that is complementary to the sealing collar (4) and the annular groove (5).
    Type: Grant
    Filed: March 15, 2008
    Date of Patent: March 17, 2015
    Assignee: MDI Dental—Und Implantattechnik GmbH
    Inventors: Dirk-Rolf Gieselmann, Harald Ceschinski
  • Publication number: 20150064652
    Abstract: An implant for anchoring a tooth replacement includes an endosseous part comprising a ceramic sleeve at a first end of the endosseous part. The endosseous part is configured to be embedded to a full height of the endosseous part in a bone.
    Type: Application
    Filed: September 5, 2014
    Publication date: March 5, 2015
    Inventor: WOLFGANG SCHMUEDDERICH
  • Patent number: 8968002
    Abstract: A dental implant system having a dental implant, an abutment and a threaded screw is provided. The abutment has a guiding and lock structure and the dental implant has a complementary guiding and lock structure, for associating the abutment to the dental implant, with each guiding and lock structure having an anti-rotational structure. Threaded engagement of the threaded screw to a threaded section of the dental implant is not possible, when the anti-rotational structure of the abutment is held in an intermediate position on the anti-rotational structure of the dental implant, which intermediate position is a position where the longitudinal axes of the guiding and lock structures of the abutment and of the dental implant are coaxial with one another.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: March 3, 2015
    Assignee: Straumann Holding AG
    Inventors: Johnny Purga, Ulrich Mundwiler, Andreas Utz
  • Publication number: 20150056573
    Abstract: A dental implant has a body with a porous metal portion for engaging bone. The porous metal portion has an outer coronal to apical height and an outer diameter. Both the height and diameter are about 4 mm to about 6 mm. This permits the implant to be placed on a jaw with a reduced bone volume.
    Type: Application
    Filed: October 30, 2014
    Publication date: February 26, 2015
    Inventors: Michael Scott Collins, Jeffrey Bassett, Sean Cahill
  • Publication number: 20150056569
    Abstract: A method and a dental implant system for accessing selected intra-cavity locations there-through that includes: (a) a dental implant having a plurality of openings configured for being implanted in an intra-cavity area of a patient, wherein each one of the plurality of openings allows access from an external area of the dental implant to a space in the intra-cavity area between the implant and a jawbone of the patient, when the dental implant is installed in the intra cavity; and (b) one or more directing element that is removably securable to the dental implant, wherein the directing element includes openings and is configured to allow access to one or more specific locations at this space through a selected at least one of the plurality of openings of the dental implant, when secured thereto.
    Type: Application
    Filed: August 29, 2012
    Publication date: February 26, 2015
    Inventors: David Regev, Moshe J. Weinberg, Ruth Weinberg, David Polak, Yosef Rubinstein
  • Publication number: 20150044639
    Abstract: In an arrangement for obtaining reliable anchoring of a threaded implant in dentine, a hole is made in the bone substance. In the side wall of the hole it is possible to establish an internal threading which can cooperate with an external threading on the implant. The implant threading is arranged to force the bone substance out in essentially radial directions as a function of the extent to which the implant is screwed into the hole. The threading is arranged to effect greater forcing out of the bone substance at the outer parts of the hole than at the inner parts of the hole. The degree of forcing out is adapted in relation to the softness of the bone in order to achieve the reliable anchoring. Along at least part of the longitudinal direction of the implant, the implant threading can be given a non-circular configuration for the purpose of obtaining improved rotational stability in soft/weak bone.
    Type: Application
    Filed: October 27, 2014
    Publication date: February 12, 2015
    Inventors: Lennart Carlsson, Fredrik Engman, Roger Fromell, Lars Joerneus
  • Publication number: 20150044638
    Abstract: A dental implant is provided configured to reduce micro-vibrational forces when in use, the implant having a first end with a plurality of threads, a first helical thread having an angle of about 5 degrees with respect to the transverse axis, and a set of threads having an angle of greater than about 50 degrees with respect to the transverse axis; each helical thread of the plurality of threads having a cross section that is arcuate in profile with non-planar flanks and a non-planar root. The implant also includes a second end configured as an abutment to accept a prosthetic device thereon, where the abutment has at least one annular groove positioned generally perpendicular to the longitudinal axis to mate with an internal projection on a prosthetic device.
    Type: Application
    Filed: August 7, 2013
    Publication date: February 12, 2015
    Inventor: Ebless Victor Baez
  • Patent number: 8951043
    Abstract: The invention provides a method for inserting an insertion part of a two-part zirconium-like implant into the jawbone at high force without breaking in order in this way to increase the primary stability of the implant in the jawbone. This is made possible by providing an insertion part at the outside of two or more protrusions at the level of the jawbone line over which an insertion instrument with recesses fits which engages these protrusions in order to subsequently insert the insertion part into the jawbone. The sleeve-shaped insertion instrument with the recesses and the neck of the insertion part with the two or more protrusions can be shaped in such a way that they fit precisely together or that a connection resembling a cardan coupling is produced, so that the implantologist can hold the insertion instrument in various positions above the insertion part while the desired direction of insertion is still maintained.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: February 10, 2015
    Assignee: White Implants Development Corp.
    Inventor: Rembardinus Beekmans
  • Patent number: 8951042
    Abstract: The invention relates to a dental prosthesis, comprising an implant body (1) and an abutment (2) that can be inserted into a receptacle of the implant body (1), said abutment (2) forming a passage opening (4) for accommodating a cap screw (3) that engages in an internal thread (5) of the implant body (1), which screw is supported by means of a conical cap part (7) of the cap screw (3) on a conical shoulder (8) of the abutment (2). In order to provide advantageous constructional conditions it is proposed that the conical cap part (7) has at least two consecutive conical sections (9, 10) in the axial direction, which conical sections have an opening angle that differs from the opening angle of the conical shoulder (8), and when the one conical section (9) contacts the conical shoulder (8) without pressure the other conical section (10) engages in the shoulder cone (11) with play.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: February 10, 2015
    Assignees: Redtenbacher Praezisionsteile Ges.m.b.H.
    Inventor: Harald Buchegger
  • Publication number: 20150037758
    Abstract: An improved dental system is disclosed for implanting into a jawbone of a patent comprising a dental implant having a coronal end and a small apical end with an orifice extending from the coronal end toward the apical end. An orientation portion is disposed in the orifice for aligning an abutment relative to the dental implant. A threaded portion is disposed in the orifice for receiving a threaded portion of the abutment for securing the abutment to the dental implant. Preferably, the orifice extends at least one-half the length of the dental implant.
    Type: Application
    Filed: July 29, 2014
    Publication date: February 5, 2015
    Inventors: O Hilt Tatum, JR., Anthony Fiorello, III
  • Publication number: 20150037757
    Abstract: A method for attaching a dental prosthesis is disclosed. The prosthesis has multiple implants with different trajectories. In use, each implant is disposed within a patient's jawbone and their relative locations are mapped. The prosthesis is formed from multiple abutments with each abutment having a protrusion. The protrusions are machined to produce a common path of insertion into recesses of the implants.
    Type: Application
    Filed: August 5, 2013
    Publication date: February 5, 2015
    Inventor: Norman Kwan
  • Publication number: 20150030994
    Abstract: The invention provides dental implants for fixed and removable prosthetic devices, and for other devices such as orthodontic devices, and has application to single tooth replacement, e.g., caps and crowns, and multiple tooth replacement using one or more implants, e.g., bridges, and multiple implants for full and partial prosthetic devices. Dental implants according to embodiments of the invention comprise a post or posts inserted into the jawbone and a base that is loaded, in the general area of the gum line, against the jawbone using the post or posts. According to some embodiments, the base is secured to each post, loaded against the jawbone, by a fastener system.
    Type: Application
    Filed: August 13, 2014
    Publication date: January 29, 2015
    Inventor: Curtis Adams
  • Publication number: 20150024344
    Abstract: A dental implant device for insertion into a bore defined in bone for use with a prosthetic tooth or dental appliance includes an abutment with a plurality of male keys disposed about the distal end of the abutment capable of being affixed to the prosthetic tooth or dental appliance, an implantable anchor having a proximal and distal end, a plurality of female keyways defined into the proximal end of the anchor, the keyways capable of coupling to the male keys of the abutment and thereby preventing relative rotation of the abutment and anchor; an interlocking thread helically defined around a longitudinal axis of the anchor, the thread being adapted to couple to the bore defined in the one and means for coupling the abutment to the implant anchor.
    Type: Application
    Filed: October 9, 2014
    Publication date: January 22, 2015
    Inventor: Gary Reed
  • Publication number: 20150017605
    Abstract: A dental implant comprises a shank and a threaded section spirally disposed on the shank. The shank includes a first section extending from a first end toward a second end of the shank and a second section connecting the first section and extending to the second end. A shank diameter of a connecting part where the first and the second sections are connected is smaller than that of the second section, whereby the subject configuration increases an implant-fastening feel of dentists and an initial implanting stability efficiently while implanting the dental implant into an alveolar bone. When the dental implant is enclosed by a growth of the bone, the second section is firmly fixed by the bone to prevent the dental implant from loosening due to an inverse torque derived from the mastication and allow it to be firmly embedded in the bone to increase the combining stability.
    Type: Application
    Filed: July 15, 2013
    Publication date: January 15, 2015
    Inventors: KOU-TSAIR SU, YU-JUNG SU