Primary Stability of Self-Drilling and Self-Tapping Mini-Implant in Tibia of Diabetes-Induced Rabbits. (11th May 2014)

• Record Type: Journal Article
• Authors: Park, Jea-Beom; Kim, Eun-Young; Paek, Janghyun; Kook, Yoon-Ah; Jeong, Do-Min; Cho, Il-Sik; Nelson, Gerald
• Other Names: Kim (Sunny) Seong-Hun Academic Editor.
• Is Part Of: International journal of dentistry. Volume 2014(2014)
• Publication Date: 2014-05-11
• Subjects: Dentistry -- Periodicals; Dentistry; Dentistry -- Periodicals; Electronic journals; Periodicals; 617.6
• DOI: 10.1155/2014/429359
• Languages: English
• ISSNs: 1687-8728

Abstract

Abstract : Objective . This study aimed to evaluate effects of type 1 diabetes mellitus and mini-implant placement method on the primary stability of mini-implants by comparing mechanical stability and microstructural/histological differences. Methods . After 4 weeks of diabetic induction, 48 mini-implants (24 self-tapping and 24 self-drilling implants) were placed on the tibia of 6 diabetic and 6 normal rabbits. After 4 weeks, the rabbits were sacrificed. Insertion torque, removal torque, insertion energy, and removal energy were measured with a surgical engine on 8 rabbits. Remaining 4 rabbits were analyzed by microcomputed tomography (micro-CT) and bone histomorphometry. Results . Total insertion energy was higher in self-drilling groups than self-tapping groups in both control and diabetic groups. Diabetic groups had more trabecular separation in bone marrow than the control groups in both SD and ST groups. Micro-CT analysis showed deterioration of bone quality in tibia especially in bone marrow of diabetic rabbits. However, there was no statistically significant correlation between self-drilling and self-tapping group for the remaining measurements in both control and diabetic groups. Conclusions . Type 1 diabetes mellitus and placement method of mini-implant did not affect primary stability of mini-implants.