Evaluation of an Innovative Hybrid Macrogeometry Dental Implant in Immediate Extraction Sockets: A Histomorphometric Pilot Study in Foxhound Dogs.

Evaluation of an Innovative Hybrid Macrogeometry Dental Implant in Immediate Extraction Sockets: A Histomorphometric Pilot Study in Foxhound Dogs.
Int J Periodontics Restorative Dent. 2019 Jan/Feb;39(1):29-37
Authors: Nevins M, Chu SJ, Jang W, Kim DM
Abstract
A preclinical pilot study was performed to evaluate the safety, efficacy, primary stability, and wound healing of a hybrid dental implant with a unique macrogeometry design in which the coronal section is narrower and cylinder-shaped followed by a wider, tapered apical portion, each comprising approximately one half the length of the implant. Eighteen hybrid macrogeometry-designed dental implants were placed bilaterally into three foxhounds in the mandibular third and fourth premolar and first molar (P3, P4, and M1, respectively) extraction sockets of different dimensions immediately following full periosteal flap elevation and removal of teeth without socket grafting. Bone plate thickness, implant position and depth, gap distance, and insertion torque values were measured following implant installation. Surgical sites were healed uneventfully for 3 months, and then samples of soft and hard tissues surrounding the implants were retrieved to perform light microscopic and histomorphometric analyses. All 18 implants were stable and osseointegrated both clinically and radiographically. The analyses revealed that the amount of hard tissue alteration and bone fill that occurred during...

Source: International Journal of Periodontics and Restorative Dentistry - December 16, 2018 Category: Dentistry Tags: Int J Periodontics Restorative Dent Source Type: research