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Volume 32 , Issue 4
August 2012

Pages 385-392

Connective Tissue Attachment to Laser-Microgrooved Abutments: A Human Histologic Case Report

Myron Nevins, DDS/Marcelo Camelo, DDS/Marc L. Nevins, DMD, MMSc/Peter Schupbach, PhD/David M. Kim, DDS, DMSc

PMID: 22577643
DOI: 10.11607/prd.00.1084

Previous preclinical and clinical studies have demonstrated the effectiveness of precisely configured laser-ablated microgrooves placed on implant collars to allow direct connective tissue attachment to the implant surface. A recent canine study examining laser-ablated microgrooves placed in a defined healing abutment area demonstrated similar findings. In both instances, direct connective tissue attachment to the implant-abutment surface served as an obstacle to the apical migration of the junctional epithelium, thus preventing crestal bone resorption. The current case report examines the effectiveness of abutment-positioned laser-ablated microgrooves in human subjects. As in the preclinical trial, precisely defined laser-ablated microgrooves allowed direct connective tissue attachment to the altered abutment surface, prevented apical migration of the junctional epithelium, and thus protected the crestal bone from premature resorption. (Int J Periodontics Restorative Dent 2012;32:385392.)

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