The evaluation of the safety of dental implant treatment for the maxillary tuberosity area - Is dental implant treatment for the maxillary tuberosity area safe?

2015 Fiscal Year Final Research Report

• Project/Area Number: 25462936
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Pathobiological dentistry/Dental radiology
• Research Institution: The Nippon Dental University
• Principal Investigator: YOSUE TAKASHI 日本歯科大学, 生命歯学部, 教授 (10167025)
• Co-Investigator(Kenkyū-buntansha): KAWAI Taisuke 日本歯科大学, 生命歯学部, 准教授 (30350143) ; ASAUMI Rieko 日本歯科大学, 生命歯学部, 講師 (30548243)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: 歯科放射線診断学 / インプラント / CBCT

Outline of Final Research Achievements

This study examined the safety of the dental implant treatment for the maxillary tuberosity area. The dry maxillae and the dissected cadaver maxillae were used and their CBCT images were acquired. From the CBCT images, the morphological bone characteristics of the maxillary tuberosity area in relation to the presence (dentate group) or absence (edentulous group) of the maxillary molar teeth were observed.The edentulous group showed the decreasing total bone quantity and the thinning of the cortical bone. Cadaver dissections revealed the nerves and vessels from the greater / lesser palatine canals had a variety and complex of distribution.
The stress distributions around virtually placed implant to the tuberosity area were analyzed using FEM and the stereolithographic models around maxillary tuberosity were fabricated derived from CBCT datasets of the cadaver maxillae with an enough / decreased bone quantity around maxillary tuberosity.

Free Research Field

歯科放射線学