Abstract: A dental or orthopedic implantable prosthetic device (1) which has a bioactive surface of an alloyed layer of material having calcium phosphate compounds. The device is formed by placing a suitable substrate of biocompatible material in a vacuum chamber (10), the substrate is cleaned by ion beam sputtering (18a) and then ion beam sputtering (14a) evolves and deposits (16a) bioactive material onto the surface of the device. The bioactive layer is mixed into the surface forming an alloyed zone by augmenting ion beam (18a) and is grown out to a selected thickness while being continuously bombarded by the augmenting ion beam.

Abstract: A dental or orthopedic implantable prosthetic device (1) which has a bioactive surface of an alloyed layer of material having calcium phosphate compounds. The device is formed by placing a suitable substrate of biocompatible material in a vacuum chamber (10), the substrate is cleaned by ion beam sputtering (18a) and then ion beam sputtering (14a) evolves and deposits (16a) bioactive material onto the surface of the device. The bioactive layer is mixed into the surface forming an alloyed zone by augmenting ion beam (18a) and is grown out to a selected thickness while being continuously bombarded by the augmenting ion beam.

Abstract: An abutment has a central portion between a post portion receivable in a dental implant and a head portion having a selected configuration. A shelf extending from the head portion outwardly to the central portion forms an angle alpha between approximately 0 and 30 degrees with an imaginary plane perpendicular to a longitudinal axis of the head portion to form a confluent joint with a crown of various emergence profiles thereon. A crown is fabricated, in certain embodiments, utilizing a sleeve having a negative image closely matching that of the selected head portion configuration. The finished crown is attached to the abutment, as by cement, polished and then inserted into the osteotomy site, angularly adjusted and locked in place using a seating device made by means of a seating jig.

Abstract: A dental or orthopedic implant (10, 10′, 100, 100′, 200) having an abutment receiving bore either with a self-holding taper or threaded is shown which in selected embodiments includes annular epithelial stops (32, 132, 232) to limit epithelical migration. Other embodiments useful as posterior implants or where minimal bone depth is available (100, 100′, 200, 300, 400) have a wide body with a shortened length having a length (l) to width (w) ratio of no more than approximately 1.5:1 and configured so that the outer body distributes lateral forces all along the side wall and distal end face (18) abetted in selected embodiments by a load bearing groove (126, 226) in the distal end face of the implant. Osseointegration promoting structures are shown including fins (24), evenly distributed dimples (250) and coatings (302) in selected embodiments.

Abstract: A two part abutment system (50,50' and 64,64',64") is shown for use with a root member (10) implanted in the alveolar bone (16) particularly suited for use when the root member (10) is not positioned sufficiently deep within the the bone to thereby expose portions of the root member. The abutment member (50,50') is formed with a root member shoulder receiving seat in communication with a bore having at least a portion with a non-circular surface. A post (64,64',64") having a non-circular head (66) having a shape conforming to that of non-circular portion of the bore and a shank (68) extending therefrom is received through the bore into the socket (28) of the root member (10). Suitable locking means such as cement is used to fix the abutment to the root member. An adaptor (70, 70') is shown for converting a root member (74) having a threaded bore (72) for use with the two part abutment system of the invention.

Abstract: A dental implant having a root member formed with a narrowed shoulder at its top around which bone growth stimulating material is packed. The head member has an upstanding taper for receipt of a crown, a frusto-spherical basal portion extending down from the upstanding taper and a tapered rod or socket for connection to the root. The upstanding taper and the root connector rod or socket are aligned along radii of the sphere which defines the spherical surface of the basal portion.

Abstract: A submergible, post-type dental implant system for anchoring an artificial crown or bridge in a row of teeth or edentulous or partially edentulous area includes a root structure which is surgically implanted transgingivally and into the bone therebeneath, an implant head which is compatibly sized and shaped to fit over an upper tapered portion of the root structure. Prior to the assembly of these two titanium alloy components, a healing cap is disposed over the tapered portion of the root structure during the time interval for healing which may be as much as three to six months. After the healing periods has ended, a tool is used to remove the healing cap and thereafter the implant head is aligned and slid over the top tapered portion of the root structure.

Abstract: A submergible, post-type dental implant system for anchoring an artificial crown or bridge in a row of teeth or edentulous or partially edentulous area includes a root structure which is surgically implanted transgingivally and into the bone therebeneath, an implant head which is compatibly sized and shaped to fit over an upper tapered portion of the root structure. Prior to the assembly of these two titanium alloy components, a healing cap is disposed over the tapered portion of the root structure during the time interval for healing which may be as much as three to six months. After the healing period has ended, a tool is used to remove the healing cap and thereafter the implant head is aligned and slid over the top tapered portion of the root structure.

Abstract: A prosthetic dental implant for anchoring to the mandible or maxilla for supporting artificial teeth and dentures includes a substantially flat yet slightly tapering endosteal blade portion constructed of a titanium alloy and including two columns of oblong slot-like apertures interior thereto and two edge columns of half-length oblong slot-like apertures. Support for an artificial tooth is provided by means of a support post which has a substantially circular lateral cross section throughout and an enlarged part-spherical lower portion and an upwardly and inwardly tapering portion thereabove. In an alternative arrangement, the vented concept provided by the slot-like apertures is replaced by a solid blade which includes a plurality of wedge-like lip portions outwardly extending from each side of the anchoring member and defining a recessed channel between adjacent lip portions, the lip portions and recessed channels on one side of the anchoring member being staggered from those on the opposite side.

Abstract: A prosthetic dental implant which is surgically implantable in the maxillary and mandibular alveolar bones, providing a support base with a protruding post to which one or more prosthetic crown replacements are to be mounted. The implant is a high purity, high density, low porosity unitary alumina body having a serrated base. Its integral top is formed to provide an upwardly extending post with a truncated ellipsodially conical configuration for the attachment of a prosthetic tooth crown. The serrated side walls of the base are formed with outwardly projecting protrusions. These protrusions have a serrated or saw toothed cross sectional configuration with alternating horizontal surfaces and downwardly and outwardly tapering oblique surfaces.