PMID: 15218041Jun 26, 2004Paper

Enhanced bone apposition to a chemically modified SLA titanium surface

Journal of Dental Research
D BuserS G Steinemann

Abstract

Increased surface roughness of dental implants has demonstrated greater bone apposition; however, the effect of modifying surface chemistry remains unknown. In the present study, we evaluated bone apposition to a modified sandblasted/acid-etched (modSLA) titanium surface, as compared with a standard SLA surface, during early stages of bone regeneration. Experimental implants were placed in miniature pigs, creating 2 circular bone defects. Test and control implants had the same topography, but differed in surface chemistry. We created the test surface by submerging the implant in an isotonic NaCl solution following acid-etching to avoid contamination with molecules from the atmosphere. Test implants demonstrated a significantly greater mean percentage of bone-implant contact as compared with controls at 2 (49.30 vs. 29.42%; p = 0.017) and 4 wks (81.91 vs. 66.57%; p = 0.011) of healing. At 8 wks, similar results were observed. It is concluded that the modSLA surface promoted enhanced bone apposition during early stages of bone regeneration.

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Citations

Mar 13, 2012·Clinical Oral Investigations·Thomas ZiebartBilal Al-Nawas
Jan 6, 2007·Mund-, Kiefer- und Gesichtschirurgie : MKG·Frank SchwarzJürgen Becker
Mar 6, 2007·Journal of Materials Science. Materials in Medicine·V PesskováL Himmlová
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Feb 26, 2013·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Mustafa RamazanogluKarl Andreas Schlegel
Mar 4, 2014·Materials Science & Engineering. C, Materials for Biological Applications·Carlos A H LaurindoPaulo Soares
Oct 10, 2008·Proceedings of the National Academy of Sciences of the United States of America·R Olivares-NavarreteZ Schwartz
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Dec 2, 2010·Implant Dentistry·Luigi F RodellaRita Rezzani
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Feb 6, 2007·Journal of Periodontology·Pilar ValderramaDavid L Cochran

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