Abstract: Provided is a dental implant unit capable of reducing stress. The implant unit includes an fixture, which is assembled to an alveolar bone and includes a long hole therein; an intermediate structure inserted to the long hole of the fixture; and an abutment assembled to the intermediate structure, wherein the lower portion of the long hole of the fixture has a sloped surface, the lower portion of the intermediate structure also has a sloped surface, and at least a portion of the sloped surface of the long hole and at least a portion of the sloped surface of the intermediate structure contact each other.

Abstract: A spinal implant system includes bone growth promoting material, and an electrical bone growth stimulator. The electrical bone growth stimulator includes a mesh that surrounds at least a portion of the bone growth material, and the electrical bone growth stimulator is configured to conduct an electric current to stimulate tissue growth adjacent to the electrical bone growth stimulator.

Abstract: A reversible bone coupling device including a first component having a first elongated stem portion for insertion from a first end longitudinally into a surface of a first bone piece, and a second component having a second elongated stem portion for insertion from a second end longitudinally into a surface of a second bone piece, and a connector extending from a second top for coupling with the first component and reversibly locking therein.

Abstract: A retainerless orthodontic dental implant system for positioning the mandible forward relative to the maxilla and for facilitating optimal airflow during sleep and a method of using such a system.

Abstract: A denture retaining system and a denture bar constructed to be affixed in a human mouth, the denture bar including a distal end, lingual-side surface, vestibular-side surface, bone-facing surface and superstructure-facing surface opposite the bone-facing surface. The bone-facing surface at the distal end is relieved from the superstructure-facing surface at the distal end by an angle of between 10° and 25° relative to an axis perpendicular to a longitudinal plane passing through the lingual side and vestibular side surfaces of the denture bar. The system also includes an overdenture superstructure having a distal surface that substantially conformingly mates to the denture bar distal end when the overdenture superstructure is positioned against the denture bar superstructure-facing surface, and is coupled to the denture bar by at least one attachment element located at a position to an anterior side of a first molar position.

Abstract: A dental implant includes a body and a threaded surface. The body has an upper portion, a middle portion, and a lower portion. The upper portion of the body includes a generally cylindrical region. The lower portion of the body includes a generally inwardly tapered region. The middle portion of the body includes an outwardly extending bulge. A maximum outer diameter of the bulge is greater than (i) a maximum outer diameter of the upper portion and (ii) a maximum outer diameter of the lower portion. The threaded surface is on the body within at least the upper portion of the body, the bulge, and the lower portion of the body.

Abstract: The present invention relates to a detachable implant-coupling prosthesis, and more specifically to a detachable implant-coupling prosthesis which enables an implant and a coupling prosthesis to be easily coupled to each other and can be easily coupled to and separated from each other during revision and re-placement. According to the present invention, via the unique distinguishing structure capable of achieving easy coupling without using a screw fastening method screw fastening method, loosening and fracture do not occur, and an aesthetic effect and durability can be prevented from being degraded because it is not necessary to form a hole in a tooth. Furthermore, the coupling prosthesis can be easily separated without destructing a tooth when a problem occurs after the placement of an implant, and thus effects arise in that the inconvenience of a patient can be mitigated and cost can be reduced during the treatment of inflammation or periodontitis.

Abstract: Devices and methods fabricating devices having nanostructures that allow adhesion or growth of one cell type, such as endothelial cells, more than another cell type, such as smooth muscle cells. In particular, stent covers may have nanostructures that allow adhesion or growth of one cell type more than another cell type. Nanostructures forming the devices may be optimized.

Abstract: An abutment for a dental multi-unit system is provided. The abutment comprises a coping connecting means to secure to a coping, the coping connecting means comprising a cavity extending downwards inside the abutment from a top thereof. The cavity is at least partially defined, at a top portion thereof, by an inward-tapering surface. The inward-tapering surface may comprise an internal conical surface. The cavity may further be defined, at least partially, by an internally threaded portion disposed below the inward-tapering surface. A coping configured to secure onto an abutment in a dental multi-unit system is also provided. The coping comprises an abutment connecting means comprising a frusto-conical section extending downwards in a bottom section of the coping and adjacently surrounding a through-hole through the coping. A method of securing a coping to an abutment in a dental multi-unit system is also provided.

Abstract: A system to transfer the location of at least one tilted dental implant to an impression material, the system includes an angulated component connectable to a tilted dental implant and a cap to snap onto the angulated component. The system provides a tilt, a location and a rotation of the tilted dental implant into the impression material.

Abstract: The invention relates to an implant preform made of plastic, which comprises an assembly of at least one biocompatible—being intended for contact with a biological material—thermoplastic plastics unit (A) having an elasticity modulus EA and at least one thermoplastic plastics unit (B) having an elasticity modulus EB, where for the elasticity moduli of these plastics units EA<EB, and the plastics units in their assembly zone are seamlessly connected thermally to one another. The invention also relates to the production of the implant preform made of plastic and also to the use of the implant preform as an implant or for fabrication of an implant therefrom, more particularly to the use thereof as a dental implant or for fabrication of a dental implant. The invention can also be applied to other bone implants.

Abstract: A dental implant is described and includes a threaded coronal portion having a top hollow part with a cavity and an opening in a top portion of the hollow part, wherein the top hollow part is defined by sacrificial walls of the coronal portion, wherein a width of the cavity and the opening allows insertion of a cutting element of a dental saw into the cavity.

Abstract: An apparatus for replicating a tooth within a user's mouth includes a threaded insert receivable with a bore in a wearer's jaw, the threaded insert having a first connector associated therewith and a tooth implant having a second connector. The first and second connectors are frictionally engageable with each other to retain the tooth implant within the user's mouth.

Abstract: Methods and dental prosthetics for providing soft tissue adhesion to a temporary healing abutment, or other dental prosthetic (e.g., temporary or permanent). Existing prosthetics generally do not provide any significant adhesion of the soft tissue surrounding the prosthetic, to the outer surface of the prosthetic itself. Because of the presence of gaps between such structures, or simple non-adhesion even where the structures may touch (but be free and unattached relative to one another), there is a tendency for pathogenic microbes to enter into such space between the structures, and for the soft gingival tissue to recede, particularly in patients with “thin” type periodontal tissue. The present disclosure provides materials and/or surface treatment (e.g., texturing) that ensures good bonding between the prosthetic and the soft tissue, reducing risk of infection, and reducing undesirable gingival recession surrounding the prosthetic anchored on a dental implant.

Abstract: A bone substitute material is disclosed consisting of a zirconium dioxide ceramic having preferably an open porosity. The bone substitute material can be used in particle form or in block form.

Abstract: A partially customizable single-piece dental implant includes a preformed bone-anchorage component and an abutment component that is custom milled from a block either preoperatively, (i.e., Process A) or intraoperatively, (i.e., Process B). In Process A, the planned abutment shape is designed by a computer-aided design (CAD) software based on a computerized tomographic scan and other patient data. Alternatively, under Process B, the position of the planned implant with respect to the alveolus is digitally captured (e.g., by an optical impression device or an intraoperative computerized tomographic scan). In both Process A and Process B, a blank implant having the millable block is held to allow a computer-aided manufacturing (CAM) machine to customize the abutment component, as well as part of the bone-anchorage component. The resultant dental implant is then inserted in the alveolus and either a provisional or permanent prosthesis can then be immediately loaded on the implant.

Abstract: Taking a digital implant or abutment level digital impression by means of intra-oral, computed tomography or other imaging method provides the restorative doctor and laboratory accurate and effective data for determining the implant position, angulation and locking feature orientation without a physical impression. Such data is correlated with a digital library to produce an output which enables design and fabrication of an accurate restorative device such as a prosthetic tooth or crown. In this way the time-consuming, costly and error prone mechanical replication of the relevant dental anatomy is obviated.

Abstract: Methods, devices, systems, and series of appliances are provided for dental implant positioning. One method for positioning an implant with dental treatment includes determining an implant location based on a virtual model of an optimized dental occlusion, moving one or more teeth using a first number of a series of dental appliances, from a first orientation to a second orientation, the second orientation exposing the implant location, placing an implant at the exposed implant location using a landmark included in at least one of the series of dental appliances, repositioning one or more teeth using a second number of the series of dental appliances, from the second orientation to a successive orientation.

Abstract: A dental prosthesis arrangement includes a lower part assigned to a jaw implant and an upper part assigned to a superstructure. The lower part engages in the upper part along a central axis. The lower part is supported against the upper part at several contact faces. The lower part and the upper part are connected releasably to each other via a securing device which provides a retaining force against axial withdrawal of the upper part from the lower part. A first radially inwardly directed structure is provided on the lower part and a second radially outwardly directed structure is provided on the upper part for receiving a holding element that provides the retaining force. A fastener passing through the upper part and connected to the lower part can alternatively fix the upper part to the lower part.

Abstract: The present disclosure provides engineered surfaces that exhibit reduced specular reflection and gloss while still providing a high intensity of reflected light at multiple incident angles. The structured metal surfaces include engineered topography that increases diffuse reflection, leading to a greater intensity of light perceived at multiple viewing angles. A viewer engaging such surfaces is likely to perceive a stronger ‘white’ reflection of the incident light and an improvement, particularly in orthodontic and other oral applications, of aesthetic appearance. Methods of creating the engineered surfaces and orthodontic articles incorporating the engineered surfaces are also disclosed.

Abstract: A top piece for a corresponding pin-shaped dental implant with a platform, which features a first platform surface and a second platform surface, a retention pin placed onto the first platform surface, for mounting of a mesostructure, a connecting pin for connecting the platform with a blind bore of a pin-shaped dental implant corresponding to the connecting pin, while in a first version, an edge of the platform is bulged in a direction oriented away from the connection pin, and in a second version, a diameter of the platform is large enough, at least in a part of a total angular area that, where the top piece is connected to the corresponding pin-shaped dental implant, in a view from above onto the second platform surface, the platform protrudes over the corresponding pin-shaped dental implant.

Abstract: A dental-implant system having a first implant part provided for being inserted into a jawbone and having a second implant part associated therewith, provided for fixing a dental prosthetic piece, the implant parts being mechanically connectable to each other via a connection pin which is formed onto one of the implant parts and which can be pushed into a receiving channel provided in the other implant part, and the cross-section of the connection pin and the cross-section of the receiving channel associated therewith each presenting in an indexing area a number of main directions in which the radius takes in each case a relative maximum value, shall offer an even increased mechanic load-carrying ability and thus a particularly long service life when used in the patient's mouth.

Abstract: An orthopedic implant having a metal surface and a hydroxyapatite layer comprising gallium ions therein disposed on at least part of the metal surface is described. The hydroxyapatite layer has an average crystallite size of less than about 75 nm in at least one direction and dissolves for more than 2 hours in vitro. The hydroxyapatite layer is substantially free of carbonate. The coating, which is formed on a sodium titanate surface, has increased shear strength and tensile strength. The coating is formed by a solution deposited hydroxyapatite process under inert conditions. The pH of the solution varies by less than 0.1 pH unit/hour during coating formation.

Abstract: A new dental implant system with positive abutment screw locking and retrieval mechanisms is provided. The abutment screw is positively locked by a keying pin to improve fatigue life. The abutment screw is also equipped with a special feature that greatly improves the retrievability of the broken screw from inside the implant. In addition, the keying pin is designed with a lock nut as a sub-assembly for ease of installation.

Abstract: An orthodontic archwire is configured to be inserted into an archwire slot of an orthodontic bracket and is configured to be elastically compressed in a plane that is generally parallel to the plane of the arch form of the archwire. The archwire may include a first exterior surface, a second exterior surface spaced from the first exterior surface, and a resilient element disposed between the first and second exterior surfaces, wherein the resilient element is elastically deformable such that a distance between the first and second exterior surfaces may be decreased upon application of a compressive force on the archwire.

Abstract: An alveolar membrane includes: a connecting portion being provided thereon with a through hole for an artificial toothroot to pass therethrough; a capping portion having its one end connected to the connecting portion and including a plurality of openings; and a fixing portion being located at an opposite end of the capping portion and having at least one digit that has a tip to be fixed in osseous tissue or between osseous tissue and soft tissue. With the connecting portion and the fixing portion at its two ends both fixed, the alveolar membrane firmly holds the osseous graft in position.

Abstract: PROCEDURE FOR THE INDIVIDUAL TRACEABILITY OF DENTAL IMPLANT PARTS AND UNITARY IDENTIFICATION SYSTEM FOR IMPLEMENTING THIS PROCEDURE that comprises: the association of each part (1), which is manufactured with a single identification code (2); the incorporation of that code (2) into the individual packaging (3) in which the part (1) is distributed and marketed, recorded on a radio frequency label (5) and/or printed on an adhesive label (6); and the implementation of specific management software in a website (4) on the Internet that associated the code (2) with traceability information of each specific part (1), associates implants with accessories and provides a user with access to it in that website (4). The unitary identification system consists of a code (2) that is unique and different for each part (1), which is a numerical code, and the specific management software that associates each code (2) with the traceability information of each part (1).

Abstract: A flexible dental prosthesis system including: 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.

Abstract: A dental prosthesis with a threaded crown on a post and core includes a dental implant, a post and core having a portion adapted to be inserted into the implant and another portion protruding from the implant, a screw and a crown, the implant being adapted to be fixed to a bone and the post and core being adapted to be fixed to the implant with a thread, the crown being fixed to the post and core with the screw, wherein the post and core provides a connection element between the implant and the crown, a separation area being provided between the area where the post and core is housed in the crown and the area where the post and core is housed in the implant, and wherein the portion of the post and core protruding from the implant does not feature a diameter increase.

Abstract: Methods of taking an impression or scan of a patient's oral cavity without requiring removal of a healing cap coupled within the implant in the subgingival void. The method may include providing an anatomical healing cap received within the subgingival void of a given tooth position, where the anatomical healing cap is coupled into an implant in the void. A scanning body or an impression post is inserted into an open end (e.g., the hollow core) of the anatomical healing cap, in-situ, with the anatomical healing cap positioned in the subgingival void, and the implant thereunder (or thereover for a maxillary tooth position). The scanning body or impression post is used as a reference in making the impression or scan. Because this is done without requiring removal of the healing cap, further collapse of the gingival tissue surrounding the void is prevented.

Abstract: An anchor for securing an implant within bone. In one embodiment, the anchor is used to aid in securing an acetabular cup within an acetabulum. The anchor may be implanted within an ischial defect of the pelvis, and is attached to an outer surface of the acetabular cup shell. The anchor is made at least in part of, and may be made entirely of, a porous metal material to facilitate the ingrowth of surrounding bone into the anchor for osseointegrating the anchor into the surrounding bone. The anchor may be secured to the acetabular shell by a screw fastener or by cement, for example. The anchor may be secured to the acetabular shell before the anchor and the acetabular shell are together implanted into the acetabulum, or the anchor may be implanted into the ischial defect, followed by seating the acetabular shell in the acetabulum and then securing the acetabular shell to the anchor.

Abstract: Structure enabling continuous angular adjustment for fixing a single dental device to an implant. The structure is formed from a ringwise tiltable threaded shank and a fixing unit for fixing the threaded shank to the implant. The fixing element is formed from an insertion piece and an intermediate piece. The lower end of threaded shank is placed between the end of the insertion piece and the upper end of the intermediate piece. A fixing nut is mounted on the threaded shank. The intermediate piece and the insertion piece are secured to each other by a joining element. The joining element is provided with lower corners and upper corners. A coupling body is installed on the joining element. A mould or the frame is fixed to the coupling body by the fixing nut.

Abstract: A self-retaining screw assembly comprising a dental secondary component and a screw. The secondary component comprises a through passage having an apical and a coronal open end, and a screw seat located between said apical and coronal ends. The screw comprises a screw rod and a screw head, the screw head being dimensioned to abut against the screw seat and the screw rod being dimensioned to pass unhindered through the through passage such that the apical end of the rod can protrude from the apical end of the through passage. The through passage further comprises, coronal of the screw seat, a first section and, directly coronal of the first section a second section having a narrower diameter than the first section, such that the second section forms a restriction in the through passage. The screw head comprises a radially outwardly extending retaining element.

Abstract: A system and method for allowing any surgeon, including those surgeons who perform a fewer number of a revision procedure as compared to a more experienced surgeon who performs a greater number of procedures, to provide an improved likelihood of a favorable outcome approaching, if not exceeding, a likelihood of a favorable outcome as performed by a very experienced surgeon with the revision procedure.

Abstract: In a jaw implant for oral, subperiosteal placement over the alveolar ridge of the maxilla or of the mandible, the implant forms a body which in cross-section, in the condition in which it has been placed on the alveolar ridge transverse to the alveolar ridge, has been formed concave towards the alveolar ridge, wherein in or near a first portion forming the base of the body, in particular forming the base of the J, L or U, the body has been provided with one or more supporting areas for support members, such as pillars, for extending through the gingiva, the support members forming a support for an exo-prosthesis, wherein the supporting areas have been connected to the rest of the body via relatively weakened areas of the body, in particular have been connected to the rest of the body via those relatively weakened areas of the body only.

Abstract: A dental implant including an implant body having a top surface, and at least one non-annular cutaway portion longitudinally extending downwardly from the top surface along one side of the body and outwardly to the periphery, and a method for making the implant. The implant body preferably includes a body portion and a head portion integrally formed with the body portion, the body portion has a periphery and the head portion has a non-circular periphery, and the periphery of the head portion is smaller than the periphery of the body portion.

Abstract: Method for producing a dentist tool formed by an overlay to be used by a dentist in removing tooth structure, said method comprising the steps of: acquiring three-dimensional data relating to a shape of a tooth and at least a part of a neighboring tooth; processing said three-dimensional data with a computer so as to determine an overlay fitting said tooth and fitting at least said part of said neighboring tooth; further processing said three-dimensional data with said computer so as to determine a predetermined part of tooth structure to be removed from said tooth so as to prepare said tooth for further treatment; determining at least two guiding edges of which a first and a second guiding edge are spaced apart from each other by a distance d of at least 0.

Abstract: A scan body for intraoral scanning includes a snap-in retention capability for engagement with a dental implant having a first engagement section. The second engagement section is configured for a snap-in or frictional fit with the first engagement section to releasably secure the scan body to the implant.

Abstract: A revisable orthopedic anchor and method of use for removably securing an anchor in bone, such as compromised or degenerated bone, is described herein. In one embodiment, the anchor makes use of dual probes and vector divergence of the distal tips of the probes to achieve superior bone purchase and pull-out resistance. In such an embodiment, the probes can be inserted one at a time into a hole formed in, for example, the pedicle bone. After the probes are inserted and joined at the proximal end, they have a greater pull-out resistance than a threaded anchor. Removing the anchor involves separating the proximal heads and reversing the implantation process. As a result of the unique bone anchor design disclosed herein, the devices and methods of the present invention allow for less complicated implantation and removal of orthopedic anchors, all while providing enhanced bone purchase when implanted in a patient.

Abstract: The present invention relates to an endosseous implant assembly adapted for treatment of peri-implantitis. The implant assembly comprises an implant core body configured to receive and couple with implant insert structures that potentially facilitate treatment of peri-implantitis.

Abstract: Implants for anchoring within bone are provided herein. An implant may include at least one thread extending around a core in a plurality of turns from the coronal region to the apical region. The thread(s) has a thread outer diameter that may define a cylindrical portion, wherein the thread outer diameter remains constant for more than one turn around the core, and define a conical portion, wherein the thread outer diameter decreases at a thread diameter decrease rate in the apical direction. The thread(s) may have a plurality of notches spaced radially and longitudinally from one another. The notches may be partially notched to reflect a portion of a semi-spherical surface and partially notched to reflect a portion of a semi-cylindrical surface.

Abstract: A method is provided for synthesizing PLA/apatite composites with improved mechanical strength. In one aspect, a calcium-phosphate/phosphonate hybrid shell is developed to incorporate more reactive hydroxyl groups onto hydroxyapatite (HA) particles. PLA is covalently bonded to HA calcium phosphate hybrid shell, creating a strong interphase between HA and PLA, thus significantly improve the mechanical strength in comparison to that of non-modified HA.

Abstract: The present application relates to a fitting for insertion into a dental implant in an insertion orientation defining a central insertion axis. The fitting includes at least one resilient spring member which extends from a body portion. It further includes an alignment feature for aligning the fitting relative to the dental implant about the insertion axis. The alignment feature extends distally beyond the distal end of the spring member.

Abstract: The invention relates to a dental prosthesis system that includes a ceramic implant for osseointegration in a jaw bone with a receiving opening for a connection screw and an abutment, preferably made of a ceramic, wherein the abutment can be secured in the receiving opening of the implant by the connection screw made of fiber-reinforced thermoplastic. A screw lock includes first interlocking elements and second interlocking elements, wherein the first interlocking elements are arranged on the connection screw and the second interlocking elements are arranged in the receiving opening of the implant and/or on the abutment. When tightening or releasing the connection screw in the implant, the first interlocking elements are elastically deformed in conjunction with the second interlocking elements.

Abstract: Advantageous dental analogs for dental restorations and related methods of use are provided. The present disclosure provides improved analog members for use in fabricating dental implant-supported restorations, and related methods of use. More particularly, the present disclosure provides advantageous systems/methods for the design and use of protection analog members configured to protect cuff portions of coping members during the fabrication of dental restorations. The improved analog members include an added vertical rim or collar to contact and/or protect the cuff portion of coping members when an end of the analog member is screwed/mounted into place into an end of the coping member. This way, the resin added during fabrication will not contact/adhere to the cuff portion allowing a proper seating of the finished fixed implant-supported prosthesis. Use of the improved analog member also can eliminate scratches/damage to the cuff portion (e.g., during trimming and polishing).

Abstract: A method and apparatus for correcting malformed joints, in particular the “hammer toe” contraction of the proximal interphalangeal joint. The disclosure comprises a two-component implant: a proximal phalanx component and a middle phalanx component. An endosseous stem on each component is inserted axially into the end of a respective host bone and, after insertion, the components are attached. The attached components are held together in various ways, for example a detent arm/aperture mechanism. Each component can be cannulated to allow for the passage of a kirschner wire, if necessary, to stabilize adjacent joints such as the proximal interphalangeal joint. The bones of the treated joint can be set to form a desired angle by adjusting the angle formed by the corresponding endosseous stems.

Abstract: Described herein are devices, systems and methods for treating disease and/or infection by the release of silver from an implant over an extended period of time. In particular, the devices described herein may be used to treat infections such as osteomyelitis by the controlled release of silver ions from multiple sites of an extended-use implant. This implant typically includes a plurality of arms that both anchor and help distribute the released ions within the tissue. Power may be applied to release the silver ions into the tissue.

Abstract: A porous bionic internal fixation device for promoting healing of a fractured bone includes a lag screw in a round rod shape, the lag screw is provided with fixation structures at both ends thereof, and on a body of the lag screw, a plurality of apertures directing laterally or obliquely are provided, and densely distributed micro-holes are provided on the body of the lag screw between the adjacent apertures. When in use, the both ends of the lag screw are respectively located in the bone at opposite sides of the fractured bone, so that the longitudinal direction of the apertures is aligned with the direction of the tensile trabeculae or the compressive trabeculae at the fractured bone, and the position of the apertures corresponds to the fractured bone.

Abstract: The bony bracket screw has a cross-slot head or a Phillips head and a shank extending from the head, the shank having a smooth upper portion, a threaded lower portion, and a self-tapping or self-drilling tip. The screw has an annual flange defining a stop disposed between the smooth upper shank and the threaded lower shank. The stop may have a larger diameter than the head. The screw has a bracket arm extending from the smooth upper shank at an oblique angle. The free end of the bracket arm has a round retainer, which may be circular or cylindrical and defines a smooth bore adapted for supporting a distractor or other dental appliance. The screw may be made from stainless steel or other noncorrosive, biocompatible material.

Abstract: A BENDABLE PROSTHETIC ABUTMENT includes a guiding and anchoring segment, a connection zone, for connecting to an implant arranged on a gingival tissue for receiving a prosthetic abutment model, an intermediate restriction for angular orientation, a mounting and fastening portion forming an upper portion of the bendable prosthetic abutment for receiving a prosthesis, and a sacrificial and anchoring zone which has a diameter greater than a diameter of the connection zone so as to define a protuberant ring-shaped shoulder arranged between the intermediate restriction (4) and the connection zone (2) for connecting to an implant and anchoring in a cavity.