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: A dental component comprising a fixture engagement portion for engaging the dental component with a dental fixture adapted to be inserted into a jawbone or for engaging the dental component with a fixture replica.

Abstract: This document describes a set of surgical drill guides for the upper and lower jaw, the guides aimed at locating the ideal position for dental implants in edentulous patients. The guides are made up of a surgical stent material from metal or other rigid material that is aligned to provide support and stability of fully edentulous upper and lower jaw to orient surgical drills in the area of operation. The present embodiment comprises a U-shape metal plate provided form or shaped resembling a toothless upper or lower jaw and containing a top surface of the surgical stent that is contacting the soft tissue of maxilla or mandibula and the bottom surface of the stent that has the same shape as a top one.

Abstract: An abutment is provided with a screw access hole and a slot in its sidewall adapted to allow a driver to access a screw in the screw access hole at an angle relative to a longitudinal axis of the screw. The abutment may include a screw seat and may be connected to an implant via a screw in the screw seat. A prosthesis, which may include a driver access channel that has a diameter less than the outer diameter of the drive portion of the screw, may be placed over the abutment. Methods of making a dental prosthesis and methods of attaching and removing the dental prosthesis from the implant are also disclosed.

Abstract: Methods for manufacturing anatomical healing caps, including forming an anatomical healing cuff body for a given tooth position, the anatomical healing cuff body having a cross-section and an exterior surface so that the anatomical healing cuff body provides substantially custom filling of at least an emergence portion of a void where a natural tooth once emerged from the void or where a tooth would have emerged from a void of the given tooth position, and forming both lateral buccal and lingual handle extensions extending from the anatomical healing cuff body so that the manufactured anatomical healing cap includes a laterally extending buccal handle extension and an oppositely disposed laterally extending lingual handle extension, the buccal and lingual handle extensions being integrally formed with the healing cuff body. The healing caps can be formed using a casting jig, by machining, by 3D printing, or other suitable methods.

Abstract: The invention relates to an implant for covering bone defects in the jaw region, which comprises a magnesium film.

Abstract: A bone fusion screw comprises a hollow elongated body having a longitudinal axis extending between a proximal end and an open distal tip. The body defines an inner chamber bounded by an inner surface of the body extending between the proximal end and the distal tip. The body includes threads formed along at least a portion of the outer surface. At least one wedge-shaped tooth extends axially distally from the distal tip. The tooth comprises a cutting edge for cutting bone as the body is rotated. An intermediate fluted portion adjacent the distal tip comprises at least one flute. The flute has a first end adjacent the tooth at the distal tip for assisting removal of bone cuttings from the cutting edge and a second end intersecting the threads along the body. The body defines a plurality of apertures opening into the chamber.

Abstract: A ceramic dental prosthesis including an implant for osseointegration in a jaw bone with a receiving opening and an abutment having a through-hole for receiving a bolt. The bolt is produced from a fiber-reinforced thermoplastic and connects the abutment and the implant. The dental prosthesis system includes an anti-rotation feature formed by a first interlocking means arranged on a proximal end of the abutment and a second interlocking means arranged on a distal end of the implant. The first interlocking means engages in the second interlocking means, wherein the first and second interlocking means are arranged at a distance from one another such that the abutment can be tilted relative to the implant. The bolt runs in the through-hole of the abutment and the receiving opening. An interference fit is provided between the bolt and the receiving opening of the implant.

Abstract: A dental implant evaluation unit is disclosed and described. The dental implant evaluation includes a body portion having threads that mimic the general thread pattern of an actual dental implant, without attempting to copy any of the osseointegrative features of the actual implant. A threaded collar is associated with the body portion, and, in certain embodiments, a safety flange is screwed to the threaded collar. The safety flange prevents the dental implant evaluation unit from infiltrating the sinus of a patient when testing the fit of a maxillary implant. The dental implant evaluation unit can be used by a dentist to evaluate the proper size and fit for an actual dental implant by installing the dental implant evaluation unit, and imaging the same, prior to installing the actual dental implant.

Abstract: A bolt-type implant includes: a bolt (12) configured to be inserted into a vertical hole drilled in a mandible (including an alveolar bone) at a position in which the implant will be placed; a nut (20) configured to be fitted to the bolt inserted into the mandible and fix the bolt to the mandible (including the alveolar bone); and an abutment (11) formed on a bolt head of the bolt so as to constitute a single body with the bolt and configured to be connected to a crown (artificial tooth).

Abstract: Dental implant assembly comprising an implant with a body having an outer implant surface configured for osseointegration and a connection well, and an abutment comprising a prosthesis mounting portion for assembly of a dental prosthesis thereon and a connector mounting cavity. The assembly further comprises a connector comprising an implant mounting portion for assembly in the connection well of the implant, and an abutment mounting portion for assembly in the connector mounting cavity of the abutment, the abutment mounting portion of the connector comprising an index portion and the abutment connector mounting cavity further comprising an index cavity portion for receiving the index portion therein, the index portions configured to register the rotational orientation of the abutment about a longitudinal axis (A) with respect to the connector.

Abstract: Systems and methods for providing fixation of soft tissue (for example, ligament) to bone by employing a novel multi-piece device. The novel multi-piece device is a ligament fixation system consisting of a larger collar that is initially impacted into a bone aperture, and a smaller plug/bullet-shaped part that is impacted into the larger collar. During ligament repair/reconstruction, the graft is inserted into a bone tunnel with sutures from the graft extending outside the tunnel. The sutures are passed through a collar of the multi-part device and the collar is then inserted into the bone tunnel. The graft suture strands may be tensioned. Subsequently, the smaller plug/bullet-shaped part is impacted into the collar thereby maintaining the tension on the graft sutures. The plug/bullet-shaped part is tightened after the desired tension on the suture is achieved.

Abstract: The invention relates to a dental prosthesis production device and method of manufacturing a dental prosthesis in which the dental prosthesis has an implant (40) and an abutment (10) which has a shape that is compatible with the implant (40) and on or to which abutment a dental structure (28) that is made of a dental material, in particular ceramic and/or plastic, and produced with the aid of a CAM process using rapid prototyping or compression molding technology can be secured. The abutment is mounted on the implant (40) via a releasable connection, in particular a screw connection (44), having an anti-rotation mechanism (50), and an anti-rotation device (groove 22) is formed between the abutment (10) and the dental structure (28).

Abstract: An arrangement for mounting to a dental implant and a tool for use therewith. The arrangement includes an abutment post connected to a conical cap. The abutment post has a conical section with a conical outer surface configured to be complementary to a conical inner surface of a conical recess of the conical cap in such a manner that the conical cap can be placed on the conical section so as to at least partially receive the conical section in its conical recess. The inner surface of the conical cap and the outer surface of the abutment post are inclined relative to one another in such a manner that the conical cap can be connected to the abutment post by friction locking between the inner surface and the outer surface. The conicity of the conical section differs from the conicity of the conical recess.

Abstract: An implant fixture is disclosed. The implant fixture contains an elongated shaft section, and a head section, wherein the head section contains at least one concave area for bone growth therein.

Abstract: A dental implant system including a dental implant (1) and an associated implant analog (50), the implant extending along a longitudinal axis (L1) from an apical end (101) to a coronal end (102) and having an external surface for anchoring and osseointegrating in bone, a coronal end portion (105) having abutment connection geometry for cooperating with an abutment which can be seated in one or more defined positions on the implant, the abutment connection geometry having a coronally facing abutment contact surface (128) which extends around the full circumference of the implant, and in use directly contacts the abutment and provides a stop defining the axial location of the abutment relative to the implant, the coronal end portion further having a coronally facing prosthesis contact surface (129) located radially beyond the abutment contact surface, the prosthesis contact surface being a continuous surface extending around the full circumference of the implant.

Abstract: A method and decoupler for disengaging an output shaft from an engine in a back drive event with a backdrive decoupler. The backdrive decoupler includes an output shaft, drive shaft wherein the output shaft is selectively coupled to the drive shaft. Permanent magnets are used to transmit torque from the drive shaft to the output shaft. In a backdrive event, the decoupler decouples the output shaft from the drive shaft by uncoupling the torque transfer.

Abstract: Apparatus is provided for overdenture with horizontal implant. The apparatus presented comprises an overdenture and a horizontal implant. The horizontal implant is surgically implanted onto the patient's maxilla or mandible, typically on the outside of the bone. The overdenture and the horizontal implant have attachment components which couple together to attach the overdenture to the horizontal implant. The attachment components may comprise ball-and-socket attachments, with the ball components affixed to the overdenture and the socket components affixed to the horizontal implants. The present invention solves problems with currently available dental implants and overdentures.

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.

Abstract: A connecting joint for attaching a wind turbine blade to a rotor hub includes an insert configured to be coupled to the wind turbine blade. The insert includes a main body having an outer surface configured to interface with the blade, a first tubular extension extending from the main body and having inner and outer surfaces configured to interface with the blade, and a second tubular extension extending away from the main body and having inner and outer surfaces configured to interface with the blade. A wind turbine blade having such a connecting joint is also disclosed. Additionally, a method of making a wind turbine blade including the connecting joint is disclosed.

Abstract: The invention relates to an implant for osseointegration into a jaw bone, having a receiving opening one section of which is designed as an inner polygon, and at its distal end, the implant includes an indexing that reproduces the geometry of the inner polygon.

Abstract: The invention relates to a superstructure support (20) as part of a prosthetic tooth replacement (1) between an implant body (10) and a superstructure, comprising a hollow implant post (23), a hollow implant pin (50), and an implant flange (31) lying therebetween. The cavity zones (67, 62) of the implant post (23) and of the implant pin (50) transition into each other. The cavity zones have respective center lines (69, 63), which include an angle of 60 to 86 angular degrees. The cavity zone (62) of the implant pin (50) has a screw head seat surface (65) that widens toward the implant flange. At least some areas of the implant flange form a supporting enveloping surface (37), which is oriented toward the implant post (23) and the outer edge (33) of which spans a reference plane (38), which is perpendicularly intersected by the center line (69) of the post-side cavity zone (67). The center lines of the implant post (23) and of the implant pin (50) intersect or cross below the reference plane (38).

Abstract: A bone implant kit includes an implant and first and second electrical stimulation anchors. The implant defines an inner surface inner configured to face a bone to which the bone implant kit is configured to attach, and an outer surface opposite the inner surface. The implant further defines first and second bone fixation holes that each extend from the inner surface to the outer surface. The first and second bone fixation holes are spaced from each other along a longitudinal direction. The first electrical stimulation anchor can be sized and configured for insertion into the first bone fixation hole, and the second electrical stimulation anchor can be sized and configured for insertion into the second bone fixation hole. The first and second electrical stimulation anchors can be configured to respond to a magnetic field so as to generate an electric field between the first and second electrical stimulated anchors.

Abstract: A zygomatic dental implant includes a generally cylindrical body, an interior threaded bore, and an asymmetrical external feature. The generally cylindrical body has a coronal portion and an apical portion. The generally cylindrical body has a main-central axis. The interior threaded bore is formed in the coronal portion of the generally cylindrical body for receiving a screw configured to removably hold an abutment in engagement with the zygomatic dental implant. The interior threaded bore has a bore-central axis. The asymmetrical external feature is on at least a portion of a first side of the generally cylindrical body such that the asymmetrical external feature is configured to directly engage alveolar bone of the patient. The asymmetrical external feature includes a plurality of circumferentially extending grooves.

Abstract: Disclosed is a method of manufacturing a digital overdenture. The method includes a first operation of aligning and setting a plurality of pieces of implantation information of fixtures according to alveolar bone information in a planning image, a second operation of designing and manufacturing a surgical guide and a holder abutment mounting guide, a third operation of preparing a temporary denture corrected to form a temporary holder insertion portion having an inner surface part into which a holder device is inserted to be shape-matched therewith, in which the surgical guide is installed in the target arch to implant the fixtures and the fixing bar is fixed to the holder abutments moved to and coupled with top ends of the fixtures by the holder abutment mounting guide, and a fourth operation of manufacturing a digital overdenture including an artificial tooth portion and an artificial gum portion.

Abstract: Various implant analogs and dental modeling techniques are disclosed herein. The implant analogs are versatile and can be used in traditional modeling techniques or in rapid-prototyping techniques for producing dental models.

Abstract: Dental blank for the production of a dental prosthetic restoration, in particular of a multi-coloured dental prosthetic restoration, by processing removing the outer region of the blank, comprising (i) an inner connecting element having an preferably peg-shaped scaffold region in the direction of the coronal region of the dental blank and an implant connection geometry in the radicular direction of the dental blank, (ii) wherein the scaffold region of the connecting element is connected to a dentin scaffold region in the direction of the coronal region of the blank, and wherein (iii) the dentin scaffold region is connected to an (iv) outer region of the blank in the region of enamel in the direction of the coronal region of the blank, and wherein (v) the dental blank has an inner elongated lumen for fastening of the produced dental prosthetic restoration on an implant or abutment by means of a connecting screw or a bolt.

Abstract: The invention relates to a specimen part for creating a stress-free fit, a so-called passive fit, of implant-supported and/or abutment-supported bridges and bars by means of a CAD/CAM tool for the creation of restorations, and to a method for creating a restoration from a digital model of a patient's jaw provided with at least two implants and/or abutments. The model is determined by means of an intraoral scan. In order to improve the precision of restorations and to shorten the production process, provision is made that the specimen part per implant and/or abutment has a scannable structure, preferably at a defined distance and angle to the implant and/or abutment.

Abstract: An osseointegrated fixture of a percutaneous osseointegrated prosthesis (POPs) anchors directly into a bone of a residual limb within an amputation stump. By anchoring directly into the bone, the POPs provides improved mobility, comfort, and function for an amputee, but an interface between an opening in the skin and the osseointegrated fixture, which allows the anchoring directly into the bone, is prone to infection by microbes. An anti-microbial device can be attached to and/or embedded within an extracorporeal portion of the osseointegrated fixture to irradiate at least a portion on the interface with at least one wavelength of light selected for its antimicrobial effects.

Abstract: A pin made of cortical bone may be inserted into adjoining bones of a toe to align and secure the bones. The pin may have barbs to prevent migration of the pin. The pin may include a shoulder to further prevent migration of the pin from the bones, to increase the strength of the pin, and to increase the surface area between the bone pin and the host bone. The pin may further include flattened portions on its circumference to aide in rotating the pin during insertion. The pin may be treated to reduce brittleness.

Abstract: A false tooth implanting device, having an expandable implant body, a lower protruding block at a recess of a lower portion of the implant body, a vertical screw, and a lateral screw; the recess has a first slanted engaging surface; an upper portion of the expandable implant body is provided with a vertical hole and a first portion of a vertical screw hole; the lower protruding block is provided with a second slanted engaging surface in contact with the first slanted engaging surface and a second portion of the vertical screw hole; the vertical screw passes through the vertical screw hole; the upper portion of the expandable implant body is provided with an expansion crevice and a lateral screw hole; when the lateral screw is screwed into the lateral screw hole, the upper portion of the expandable implant body is widened by expanding away from the expansion crevice.

Abstract: A dental implant includes a generally cylindrical body, an interior bore, and a non-rotational feature. The generally cylindrical body has a main-central axis and is formed from cold-worked, high strength, commercially pure titanium having an ultimate tensile strength of at least about 900 MPa. The generally cylindrical body has a proximal portion and an opposing distal portion for anchoring the dental implant in bone of a patient. The interior bore is formed in the generally cylindrical body and has (i) a bore-central axis and (ii) a threaded portion for receiving a screw that is configured to removable hold an abutment in engagement with the dental implant. The non-rotational feature is configured to engage the abutment in a non-rotational fashion.

Abstract: A custom dental implant and a method and system for making the custom dental implant having one or more energy storing devices that deflect during installation and expand to provide stability after insertion in a natural dental socket of a patient.

Abstract: A method and apparatus is provided for creating an internal reconstruction tissue graft. Templates may be used to create a multitude of patterns in a variety of tissue reconstruction grafts. An apparatus may be used to create an internal tissue graft for reconstruction through either compression and/or removal of segments. An apparatus may be used, through either compression and or removal of segments of a preformed template made of synthetics and or metal that mirrors a template that can be used as an internal tissue graft for reconstruction. In a method, such as using software analysis and an apparatus, the physical properties of the tissue graft and its pre- and post-operative properties and appearance may be measured.

Abstract: Bone anchors and related systems and elements, such as means for engaging a ligament to a bone anchor for correction of spinal deformities. In some embodiments, the bone anchor may be configured for engaging vertebral bone and may comprise an exterior thread form and an interior thread form, which may be positioned within an interior chamber of the bone anchor that may open at the distal end of the bone anchor where an outer thread form may also terminate. The inner chamber may taper in an opposite direction relative to an outer surface of the bone anchor upon which the outer thread form is positioned.

Abstract: There is described a dental prosthesis for forming a friction fit attachment to a dental implant or dental connector. The prosthesis comprises a release device comprising a release member that is movable relative to the prosthesis from a first position to a second position. When the release member is in the first position the release device is not operable to impart a separating force to a friction fit attachment between the implant or connector and the prosthesis and when the release member is in the second position the release device is operable to impart a separating force to a friction fit attachment between the implant or connector and the prosthesis.

Abstract: An intervertebral spacing implant, including: a seat having an interior surface and an exterior surface; branches having an anterior end and a posterior end, the anterior end of the branches coupled to the seat and extending in a direction away from the seat, each of the branches having an interior surface and an exterior surface opposite the interior surface, the seat and the branches forming a cage, the exterior surface of the seat and the exterior surface of the branches defining an internal volume of the cage, the cage including fenestrations; a spacer configured to fit within the cage and move in the direction away from the seat and toward the posterior end of the plurality of branches, the spacer and the cage configured such that the branches will move from an unexpanded position to an expanded position when the spacer is urged in the direction away from the seat.

Abstract: The present invention is a surgical guide for guiding the insertion of a dental implant into a desired location in a patient's mouth. The implant includes a non-rotational structure. The surgical guide includes a structure and a master tube. The structure has a negative impression surface to be fitted on and placed over gingival tissue, bone, and/or teeth in the patient's mouth. The structure includes an opening through which the dental implant is placed. The master tube is located at the opening. The master tube includes indicia for alignment with the non-rotational structure on the implant such that the non-rotational structure of the implant is at a known angular orientation with respect to the master tube. The present invention includes kits of various components used with the surgical guide and with the dental surgery using the surgical guide.

Abstract: The invention relates to a scan abutment (2), in particular an integrally manufactured scan abutment, for determination of the position of the front face (1.1) of a dental endosseous implant (1), wherein the abutment (2) has a longish, hollow shaft (4), and the shaft has an upper region (4.1), a central region (4.2) and a lower region (4.3). Moreover, the shaft (4) of the scan abutment with its central region (4.2) is attachable onto the front face (1.1) of the implant (1), and its lower region (4.3) is insertable into the connection geometry of the implant. The longish, hollow shaft (4) has a side wall (10). The shaft of the scan abutment has at least two to terminally extending slits (5) in its central region (4.2) and lower region (4.3) in the side wall (10). Two, three or four slits are preferred. Preferably, the slits (5) end in one recess (6) each, such as a circular recess, in the side wall (10) at their upper end and extend terminally in the side wall (10) to the bottom side of the shaft (4).

Abstract: A dental abutment coping or ring for securing a dental prosthesis to dental abutments. The coping or ring includes a body for insertion into a dental prosthesis, and a cavity or space sized to accept a head of the dental abutment. The interior surface of the cavity includes an interface region sized and shaped to accept the dental abutment in a retentive interface fit or a passive fit, depending on an angle of the interface surface. The exterior surface can have channels configured to contain a cement bonding the exterior surface to the dental prosthesis. A dental prosthesis system including the dental copings provides a retentive interference fit between the prosthesis and the dental abutments, even where the dental abutments are not parallel. A plurality of copings and abutments enables a retentive fit to varying degrees depending on the degree of interference fit in each coping and abutment.

Abstract: A dental post configured to be fitted within a dental cavity of a tooth being restored. The post comprises a head portion and a foot portion consecutively arranged in an axial direction of the post, the axial direction being defined as a direction in which a central axis of the head portion extends. The foot portion comprises a free lower end such that the post can be inserted into the dental cavity in the axial direction with the lower end inwardly facing a closed inner end of the dental cavity. At least the foot portion is composed of a composite material comprising a resin matrix reinforced with fibers. A method of fabrication of such a dental post, and to set comprising at least two such dental posts.

Abstract: A custom tool for forming a dental restoration in a mouth of a patient includes a one-piece mold body providing for a customized fit with at least one tooth of the patient, the one-piece mold body including an occlusal portion forming an occlusal surface corresponding with an occlusal surface of the tooth, a mesial proximal portion forming a mesial proximal surface corresponding with a mesial proximal surface of the tooth, and a distal proximal portion forming a distal proximal surface corresponding with a distal proximal surface of the tooth. The mold body is configured to combine with the tooth of the patient to form a mold cavity encompassing missing tooth structure of the tooth. The occlusal portion, the mesial proximal portion, and the distal proximal portion are based on three-dimensional scan data of the mouth of the patient.

Abstract: Dental scan abutment for being assembled and fixed to an implant, provided with an indicator of the radial angular position of the anti-rotation means of the implant. The abutment comprises: a main body provided with the indicator and with means for connection to the implant, and means for fixing to the implant formed by a fixing shaft and by an upper head, the lower end of the shaft being a threaded end provided with a thread cutting complementary to the internal cutting of the threaded hole of the implant. The main body is configured for housing and longitudinally displacing the fixing shaft therethrough, the threaded lower end of the shaft being able to be immersed in the interior of the main body or project from the lower section thereof, the complete removal of the fixing shaft by simple longitudinal displacement being prevented by mechanical stop.

Abstract: A medical that is implantable into a human or animal body or being an augmentation device for strengthening human or animal hard tissue for subsequent implantation of a separate implant. The device includes a sheath element suitable of being brought into contact, during a surgical operation, with live hard tissue and/or with hard tissue replacement material. The sheath element has a, for example, generally elongate shape and a longitudinal bore defining a longitudinal opening reaching from a proximal end of the sheath element into a distal direction, and a plurality of holes in a wall of the opening. Further, the device includes a liquefiable element that is insertable or inserted in the longitudinal opening and at least partly liquefiable by the impact of energy impinging from the proximal side.

Abstract: A method for guiding the position of a dental drill for implant treatment of a patient, the method acquiring a volume image of patient anatomy; superimposing an image of a planned drill hole on a display of the acquired volume image according to observer instructions to form an implant plan; displaying at least a portion of the implant plan in stereoscopic form on a head-mounted device worn by an observer and tracking patient position so that the displayed portion of the implant plan is registered to the patient anatomy that lies in the observer's field of view; and highlighting the location of the planned drill hole on the head-mounted device display.

Abstract: A process for the preparation of a sterilized ceramic body including or essentially consisting of stabilized zirconia of a defined colour, including the steps of: providing a ceramic primary body including or essentially consisting of stabilized zirconia of a first colour A, and sterilizing the primary body using radiation sterilization whereby the primary body undergoes a colour change to a colour B. The process includes the further step of irradiating the sterilized primary body with electromagnetic radiation of at least one wavelength lying in the wavelength band ranging from 150 nm to 700 nm to induce an at least partial reversal of the colour change to obtain a colour C of the sterilized ceramic body, the colour C complying with the following requirements in the CIELAB colour space: L* being from 54 to 95, a* being from ?15 to 15 and b* being from ?15 to 15.

Abstract: A dental surgical drill guide assembly and method includes a surgical guide housing and a base frame that fits to both gum tissue and one or multiple small areas of jawbone. The apparatus may be configured to accurately place dental implants according to planned positions. Such apparatus may increase the stability of the surgical guide by clasping and/or contacting the jawbone, while improving the overall fit and minimizing the need of invasive surgery and flapping by also clasping and/or contacting selected areas of the gum tissue at the same time. Self-locking alignment members aid in easy removal, and re-installation, of the surgical guide housing to the base frame.

Abstract: A convertible dental assembly is disclosed herein. The convertible dental assembly includes abutments adapted for fixing with implants; fixed-hybrid housings adapted for fixing with the abutments through a fixing screw; and removable-hybrid housings, adapted for engagement with abutments through snap fit parts. The fixing screw and the snap fit part are fixed to the abutments through same female threads on the abutments. The fixed-hybrid housings are used for a fixed-hybrid dental assembly during period of healing of the implants, and replaced by the plurality of removable-hybrid housings along with the snap fit parts for a removable-hybrid dental assembly after the period of healing of the implants. The fixed-hybrid housings and the removable-hybrid housings can be captured in the dental assembly via chair-side pickup at respective instances. The removable-hybrid housings can be placed indirectly by a dental laboratory if a new denture is being fabricated.

Abstract: A method for generating a virtual model of a subperiosteal dental implant device. The method comprises: obtaining a virtual mouth model of a patient providing a three-dimensional representation of at least a section of a jaw bone of a patient, using a non-invasive modelling method; positioning at least one replacement tooth in relation to the section of the jaw bone defined by the virtual mouth model; positioning at least one implant head at a respective implant position; and designing and generating a virtual model of the subperiosteal dental implant device having a shape at least partially derived from a shape of the section of the jaw bone defined by the virtual mouth model and at least a portion of each one of the at least one implant head extending from the subperiosteal dental implant device at the respective implant position.

Abstract: The present invention discloses a cavity preparation assembly and a guiding sleeve for immediate implantation in an oral molar region, wherein the guiding sleeve comprises a lower sleeve and an upper sleeve disposed on a top of the lower sleeve, center portions of the upper sleeve and the lower sleeve each has a guiding hole and the guiding holes of the upper sleeve and the lower sleeve are connected, and an axis direction of the guiding hole is a vertical direction; sidewalls of the upper sleeve and the lower sleeve are each provided with a slit passing through the sidewalls, and the slit of the upper sleeve and the slit of the lower sleeve are located on a same side of the cavity preparation guiding sleeve; the upper sleeve is further provided with an installation plate on both sides of the slit, the installation plate is connected to the sidewalls on both sides of the slit of the upper sleeve. The cavity preparation assembly comprises a depth calibration drilling tool and a plurality of guiding sleeves.