Dental Publication / Article Details |
Maintaining Interimplant Crestal Bone Height Via a Combined Platform-Switched, Laser-Lok Implant/Abutment System: A Proof-of-Principle Canine Study
Author(s):
Myron Nevins, DDS;Marc Nevins, DMD, MMSc; Luca Gobbato, DDS, MS; Hyo-Jung Lee, DDS, PhD; Chin-Wei Wang, DDS; David M. Kim, DDS, DMSc
Date Added:
6/6/2013
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Summary:
Interimplant papillae are critical for achieving esthetic implant-supported restorations in the maxillary esthetic zone. Stable papillary anatomy, however, depends upon a stable volume underlying crestal bone for support. Multiple studies have documented a critical interimplant distance of 3mm under which crestal bone resorption occurs. This preclinical proof-of-principle canine study examines a novel implant-abutment system design, combining platform switching with precisely configured laser-ablated abutment and implant microgrooves to maintain interimplant crestal bone at interimplant distances of 2 and 4 mm. Results of this initial preclinical study suggest that it is possible through precise implant/abutment design modifications to place adjacent implants at distance of 2 to 4 mm without inducing subpapillary crestal bone loss.
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The Management of Recession Midfacial to Immediately Placed Implants in the Aesthetic Zone
Immediate placement and loading protocols are the most technique sensitive and at the highest risk of complication,
especially in the aesthetic zone. The peri-implant tissues undergo a resorption pattern that may see exposure of parts
supporting the restoration, otherwise intended to be submerged, with extreme aesthetic compromise or even complete
failure of treatment. The literature is not definitive in terms of any one treatment modality to recover such a complication.
Grafting the exposure by a guided bone regeneration technique and an adjunct soft tissue augmentation could well
restore an unaesthetic recession exposure. Recovery of midfacial recession by soft tissue augmentation alone may be
successful, as is presented hereafter.
Author(s): |
Howard Gluckman, BDS, MChD, PhD;Jonathan Du Toit |
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Esthetic Correction of Gingival Recession Using a Modified Tunnel Technique and an Acellular Dermal Connective Tissue Allograft
Esthetic correction of gingival recession is an important goal of periodontal therapy. This article describes a surgical technique that combines a modified tunnel technique and an acellular dermal connective tissue allograft. With the aid of vertical incisions, a tunnel is created under the buccal mucosa of the affected tooth. These incisions enable easy access for graft placement and create mobility for gingival coronal positioning. The use of an accelular dermal connective tissue allograft eliminates the need for a surgical palatal donor site. This minimizes post-surgical complications.
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Related Videos |
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Soft Tissue Grafting Around Compromised Dental Implants in the Esthetic Zone
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Presented By:: |
David Wong, DDS |
Presentation Style: |
Video |
Community Rating: |
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Prosthetic Soft Tissue Development From Single to Full Arch Reconstruction
In addition to surgical intervention is the creation of the specific emergence profile that is essential in the aesthetic zone. The emergence profile composed of 2 parts, the abutment and the subgingival part of the crown. The shape of abutment can be individually shaped so that it gives natural appearance and varies individually (depending on the depth, angulation and diameter of the implant). Sometimes it even dictates the implant position. From a surgical perspective, soft tissue height, position and thickness need to be diagnosed and corrected when needed. From the prosthetic point of view, the emergence profile has to be created to mimic the natural appearance and maintained over time in respect to the biological changes. The course teaches step by step how to be successful with implant prosthetics from single tooth, partially edentulous to full arch reconstruction.
Presented By:: |
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Presented By:: |
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CE Hours: |
1 CEU (Continuing Education Unit) |
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Hard and Soft Tissue Augmentation: Optimizing Esthetic Results for the Restorative Dentist
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