Sinus Floor Elevation and Antrostomy Healing: A Histomorphometric Clinical Study in Humans. Issue 6 (December 2019)

• Record Type: Journal Article
• Authors: Tanaka, Kazushige; Iezzi, Giovanna; Piattelli, Adriano; Ferri, Mauro; Mesa, Natalia Fortich; Apaza Alccayhuaman, Karol Alí; Botticelli, Daniele
• Is Part Of: Implant dentistry. Volume 28:Issue 6(2019)
• Publication Date: 2019-12
• Subjects: bone healing -- bone substitute -- xenograft; Dental implants -- Periodicals; 617.69305
• DOI: 10.1097/ID.0000000000000932
• Languages: English
• ISSNs: 1056-6163

Abstract

Abstract : Objectives: To compare the histomorphometric outcomes of biopsies collected from the antrostomy and from the alveolar crest of the maxillary sinus after a sinus-lift procedure. Material and Methods: In 12 volunteers, sinus floor elevation was performed using collagenated corticocancellous porcine bone. Nine months after the surgery, 2 biopsies, 1 from the alveolar crest and 1 from the antrostomy, were collected for histological analysis. Results: Biopsies from 11 patients were available for histological analyses (n = 11). At the alveolar crest sites, the percentage of mineralized bone was 40.1 ± 14.1%, of bone marrow was 40.1 ± 18.0%, and of the xenograft was 14.7 ± 15.2%. Small amounts of soft tissue were found. At the antrostomy sites, the percentages of mineralized bone, bone marrow, and xenograft were 26.0 ± 10.8%, 23.4 ± 17.0%, and 28.2 ± 15.7%, respectively. Soft tissue was represented by 19.7 ± 19.4%. Conclusion: Higher amounts of mineralized bone and bone marrow were found in the alveolar crest compared with the antrostomy.