# US 2014/0193775 A1 · Components for use with implants and related methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0193775 A1 - Document ID: US20140193775A1 - Status: Published application - Kind: A1 - Application number: 13/874,966 - Filed: 2013-05-01 - Published: 2014-07-10 - Earliest claimed: 2009-02-13 - Assignees: Aeton Medical LLC - Inventors: Stephen HOGAN; Anatoli KRIVORUK; Roger S. RANCK - Web page: https://patentgrep.com/patent/US20140193775A1 ## CPC - A61C 8/0062: {Catch or snap type connection} - A61C 8/0001: {Impression means for implants, e.g. impression coping} - A61C 8/0016: {polymeric material} - A61C 8/0069: {tapered or conical connection} - A61C 8/0071: {with a self-locking taper, e.g. morse taper} - A61C 8/0074: {with external threads} - A61C: DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE (non-driven toothbrushes A46B; {tongue scrapers A61B17/24;} preparations for dentistry A61K6/00; preparations for cleaning the teeth or mouth A61K8/00, A61Q11/00) ## Abstract A system for dental restorations may comprise an abutment comprising an implant engaging portion and a component supporting portion terminating in a coronal end of the abutment. The implant engaging portion may extend apically from the component supporting portion and may have an external surface feature configured to be received in mating engagement within an opening in a dental implant. The component supporting portion may comprise at least one first snap-fit retention feature disposed on an outer peripheral surface of the component supporting portion. The system may further comprise a temporary coping made from a material that permits chemical bonding of the temporary coping with a veneering material of a temporary tooth restoration. The temporary coping may comprise at least one second snap-fit retention feature configured for snap-fit engagement with the at least one first snap-fit retention feature of the abutment. ## Claims ### Claim 1 A system for dental restorations, the system comprising: an abutment comprising an implant engaging portion and a component supporting portion terminating in a coronal end of the abutment, wherein the implant engaging portion and the component supporting portion are a single-piece structure, wherein the implant engaging portion extends apically from the component supporting portion and has an external surface feature configured to be received in mating engagement within an opening in a dental implant, and wherein the component supporting portion comprises at least one first snap-fit retention feature disposed on an outer peripheral surface of the component supporting portion, the at least one first snap-fit retention feature being located closer to a coronal end of the implant than to the coronal end of the abutment when the implant engaging portion is in mating engagement with the opening; and a temporary coping made from a material that permits chemical bonding of the temporary coping with a veneering material of a temporary tooth restoration, wherein the temporary coping comprises at least one second snap-fit retention feature configured for snap-fit engagement with the at least one first snap-fit retention feature of the abutment, the temporary coping being sized and shaped to hold a temporary tooth restoration in a patient's mouth to provide tooth function at a location of a dental implant. ### Claim 2 (depends on 1) The system of claim 1, further comprising: an analog comprising a component supporting portion that comprises at least one third snap-fit retention feature disposed on an outer peripheral surface; and at least one burnout coping comprising at least one fourth snap-fit retention feature configured for snap-fit engagement with the at least one third retention feature on the analog. ### Claim 3 (depends on 2) The system of claim 2, wherein the component supporting portion of the analog has substantially the same dimensions as the component supporting portion of the abutment. ### Claim 4 (depends on 1) The system of claim 1, further comprising: an impression coping comprising at least one third snap-fit retention feature configured for snap-fit engagement with the at least one first snap-fit retention feature. ### Claim 5 (depends on 1) The system of claim 1, wherein the at least one first snap-fit retention feature is disposed proximate the implant engaging portion. ### Claim 6 (depends on 1) The system of claim 1, wherein the at least one first snap-fit retention feature comprises at least one retention groove. ### Claim 7 (depends on 6) The system of claim 6, wherein the at least one retention groove extends in a direction substantially transverse to a longitudinal axis of the abutment. ### Claim 8 (depends on 6) The system of claim 6, wherein the at least one retention groove comprises a continuous retention ring around the outer peripheral surface of the component supporting portion, and wherein the at least one second snap-fit retention feature comprises at least one continuous protrusion ring configured for snap-fit engagement with the retention groove. ### Claim 9 (depends on 6) The system of claim 6, wherein the at least one retention groove comprises a plurality of retention grooves spaced from one another, the plurality of retention grooves being disposed at substantially the same axial location along a length of the abutment, and wherein the at least one second snap-fit retention feature comprises a plurality of protrusions configured for engagement with the plurality of retention grooves. ### Claim 10 (depends on 6) The system of claim 6, wherein the at least one retention groove has a radiused surface profile with a radius of curvature ranging from about 0.01 in to about 0.06 in. ### Claim 11 (depends on 10) The system of claim 10, wherein the at least one second snap-fit retention feature comprises at least one protrusion feature having a substantially convex surface profile with a radius of curvature ranging from about 0.015 in. to about 0.025 in. ### Claim 12 (depends on 6) The system of claim 6, wherein the at least one retention groove has a depth ranging from about 0.001 in. to about 0.006 in. ### Claim 13 (depends on 12) The system of claim 12, wherein the at least one second snap-fit retention feature comprises at least one protrusion feature protruding from an internal peripheral surface portion of the temporary coping from about 0.002 in. to about 0.006 in. ### Claim 14 (depends on 13) The system of claim 13, wherein the at least one protrusion feature has a height ranging from about 0.015 in. to about 0.040 in., wherein the height is measured along a longitudinal axis of the temporary coping. ### Claim 15 (depends on 6) The system of claim 6, wherein the at least one second snap-fit retention feature is a snap-fit protrusion feature. ### Claim 16 (depends on 1) The system of claim 1, wherein, when the implant engaging portion of the abutment is in mating engagement with the opening of an implant, the temporary coping comprises an apical end that is configured to rest on a shoulder of the implant when the temporary coping is in snap-fit engagement with the abutment. ### Claim 17 (depends on 16) The system of claim 16, wherein an interior surface of the temporary coping tapers from the apical end of the coping toward a coronal end of the temporary coping, a degree of taper of the interior surface substantially corresponding to a degree of taper of the component supporting portion of the abutment. ### Claim 18 (depends on 17) The system of claim 17, wherein the degree of taper of the interior surface ranges from about 4 degrees to about 8 degrees. ### Claim 19 (depends on 1) The system of claim 1, wherein the material is a bis-acrylic material or a bis-acrylic composite material. ### Claim 20 (depends on 1) The system of claim 1, wherein the component supporting portion of the abutment comprises at least one flat external surface portion extending substantially along a length of the component supporting portion, and wherein the temporary coping comprises a flat internal surface portion configured to mate in a substantially flush manner with the at least one flat external surface portion. ### Claim 21 (depends on 1) The system of claim 1, wherein the at least one first snap-fit retention feature and the at least one second snap-fit retention feature are configured to be placed in snap-fit engagement using a force ranging from about 2.5 lb. to about 7 lb. ### Claim 22 (depends on 1) The system of claim 1, wherein the snap-fit engagement between the at least one first snap-fit retention feature and the at least one second snap-fit retention feature is configured to withstand a pull-off force of up to about 20 lb. ### Claim 23 (depends on 1) The system of claim 1, wherein the at least one first snap-fit retention feature is at least one groove and the at least one second snap-fit retention feature is at least one protrusion, and wherein the at least one groove and the at least one protrusion are configured to have a substantially 100 percent interference mating fit when in snap-fit engagement. ### Claim 24 (depends on 1) The system of claim 1, wherein the temporary coping comprises a body having an interior recess with a closed coronal end and an open apical end, the at least one second snap-fit retention feature being positioned closer to the open apical end of the interior recess than the closed coronal end of the interior recess. ### Claim 25 (depends on 1) The system of claim 1, wherein the implant engaging portion is elongated along a longitudinal axis of the abutment. ### Claim 26 (depends on 25) The system of claim 25, wherein the implant engaging portion comprises a post. ### Claim 27 (depends on 1) The system of claim 1, wherein the implant engaging portion comprises a region that tapers in an apical direction. ### Claim 28 (depends on 1) The system of claim 1, wherein the implant engaging portion comprises a frustroconical region configured to be received in mating engagement within an opening in a coronal neck of the implant. ### Claim 29 (depends on 1) The system of claim 1, wherein the implant engaging portion comprises a frustroconical region and a post, wherein the post extends apically relative to the frustroconical region. ### Claim 30 (depends on 1) The system of claim 1, wherein the external surface feature comprises screw threading. ### Claim 31 (depends on 1) The system of claim 1, wherein the abutment further comprises a gingival cuff disposed between the implant engaging portion and the component supporting portion. ### Claim 32 (depends on 1) The system of claim 1, wherein the abutment further comprises a screw-threaded member for threaded engagement of the abutment with the implant.