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International Journal of Periodontics & Restorative Dentistry



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Int J Periodontics Restorative Dent 36 (2016), No. 5     30. Aug. 2016
Int J Periodontics Restorative Dent 36 (2016), No. 5  (30.08.2016)

Page 672-679, doi:10.11607/prd.2940, PubMed:27560671

The Effect of Laser-Etched Surface Design on Soft Tissue Healing of Two Different Implant Abutment Systems: An Experimental Study in Dogs
Neiva, Rodrigo / Tovar, Nick / Jimbo, Ryo / Gil, Luiz F. / Goldberg, Paula / Barbosa, Joao P. M. / Lilin, Thomas / Coelho, Paulo G.
This study describes the early soft tissue morphology around two different implant systems that received either smooth or laser-etched abutments in a beagle dog model. Implants were placed in the healed mandibular molar region of eight beagle dogs and allowed to heal for 7 weeks. When the most apical aspect of the junctional epithelium (JE) was above or within the upper half of the laser-etched region, fibers were oriented perpendicular to the abutment surface. In contrast, JE positioned within the lower half of the laser-etched region or within or below the implant-abutment gap level presented fibers oriented parallel to the abutment surface.