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Volume 36 , Issue 5
September/October 2016
Pages 673–679

The Effect of Laser-Etched Surface Design on Soft Tissue Healing of Two Different Implant Abutment Systems: An Experimental Study in Dogs

Rodrigo Neiva, DDS, MS/Nick Tovar, PhD/Ryo Jimbo, DDS, PhD/Luiz F. Gil, DDS, MS/Paula Goldberg, BS/Joao P.M. Barbosa, DDS/Thomas Lilin, DVM/Paulo G. Coelho, DDS, PhD

PMID: 27560671
DOI: 10.11607/prd.2940

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.

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