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Open AccessArticle

Effect of Rough Surface Platforms on the Mucosal Attachment and the Marginal Bone Loss of Implants: A Dog Study

School of Dentistry, Faculty of Medicine, University of Salamanca, 37007 Salamanca, Spain
Private Practice Specialized in Oral Surgery and Implant Dentistry, 07800 Ibiza, Spain
Faculty of Dentistry, University of Seville, 41009 Seville, Spain
School of Dentistry, University of Murcia, 30008 Murcia, Spain
Author to whom correspondence should be addressed.
Materials 2020, 13(3), 802;
Received: 21 January 2020 / Revised: 3 February 2020 / Accepted: 9 February 2020 / Published: 10 February 2020
(This article belongs to the Special Issue Materials in Implant Dentistry and Regenerative Medicine)
The preservation of peri-implant tissues is an important factor for implant success. This study aimed to assess the influence of the surface features of a butt-joint platform on soft-tissue attachment and bone resorption after immediate or delayed implant placement. All premolars and first molars of eight Beagle dogs were extracted on one mandible side. Twelve-weeks later, the same surgery was developed on the other side. Five implants with different platform surface configurations were randomly inserted into the post-extracted-sockets. On the healed side, the same five different implants were randomly placed. Implants were inserted 1 mm subcrestal to the buccal bony plate and were connected to abutments. The primary outcome variables were the supracrestal soft tissue (SST) adaptation and the bone resorption related to the implant shoulder. The SST height was significantly larger in immediate implants (IC95% 3.9–4.9 mm) compared to delayed implants (IC95% 3.1–3.5 mm). Marginal bone loss tended to be higher in immediate implants (IC95% 0.4–0.9 mm) than in delayed implants (IC95% 0.3–0.8 mm). Linear-regression analysis suggested that the SST height was significantly affected by the configuration of the platform (0.3–1.9 mm). Roughened surface platforms resulted in higher SST height when compared to machined surface platforms. Marginal bone loss was less pronounced in roughened designs. View Full-Text
Keywords: implant platform; mucosal attachment; marginal bone loss implant platform; mucosal attachment; marginal bone loss
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    Doi: 10.5281/zenodo.3615022
MDPI and ACS Style

Montero, J.; Fernández-Ruiz, A.; Pardal-Peláez, B.; Jiménez-Guerra, A.; Velasco-Ortega, E.; Nicolás-Silvente, A.I.; Monsalve-Guil, L. Effect of Rough Surface Platforms on the Mucosal Attachment and the Marginal Bone Loss of Implants: A Dog Study. Materials 2020, 13, 802.

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