Int J Oral Maxillofac Implants 35 (2020), No. 1 27. Jan. 2020
Int J Oral Maxillofac Implants 35 (2020), No. 1 (27.01.2020)
Page 187-195, doi:10.11607/jomi.7481, PubMed:31923301
Bone Healing at Implants Placed in Sites Prepared Either with a Sonic Device or Drills: A Split-Mouth Histomorphometric Randomized Controlled Trial
Sakuma, Shigeru / Piattelli, Adriano / Baldi, Niccolò / Ferri, Mauro / Iezzi, Giovanna / Botticelli, Daniele
Purpose: To evaluate histomorphometrically early healing at implants placed in sites prepared with either a sonic device or conventional drills.
Materials and Methods: Sixteen volunteer patients were recruited. Two titanium mini-implants were placed in the distal segments of the maxilla in recipient sites prepared with either a sonic device or conventional drills. Biopsy specimens containing the mini-implants were retrieved after 2 weeks in eight patients, and after 6 weeks in the other eight patients. Histomorphometric analyses were performed.
Results: Histologic slides were available from seven patients for both 2-week and 6-week periods. After 2 weeks of healing, small amounts of new bone were found in contact with the implant surface, with 5.5% ± 7.3% and 3.8% ± 10.0% at the sonic and drill groups, respectively. After 6 weeks of healing, new bone was 46.9% ± 15.5% at the sonic group, and 46.4% ± 14.9% at the drill group. None of the differences was statistically significant.
Conclusion: The percentage of new bone in contact with the implant surface was similar in the sonic and drill groups.
Keywords: bone density, bone-to-implant contact, dental implants, histology, histometry, sonic device