Associations of Resonance Frequency Analysis with Dynamic Mechanical Analysis of Dental Implant Systems

Autor: Hua-Hong Chien, Do-Gyoon Kim, Jin Whan Lee, Samantha Crance, Suneel Battula, Hyun-Jung Kwon, Amanda M. Agnew, Hai Bo Wen, Yong-Hoon Jeong
Rok vydání: 2015
Předmět:
Zdroj: Clinical Implant Dentistry and Related Research. 18:332-341
ISSN: 1523-0899
DOI: 10.1111/cid.12319
Popis: Background Resonance frequency analysis (RFA) has been introduced as a noninvasive method to clinically estimate the stability of dental implant systems. Purpose The objective of this study was to examine whether implant stability quotient (ISQ) values of RFA can account for mechanical stability of the dental implant system, which is assessed using dynamic mechanical analysis (DMA). Materials and Methods Fifty-seven screw-type titanium dental implants were placed in artificial polyurethane foams with seven different thicknesses (3.5 to 12 mm) and eight edentulous mandibles of human cadavers (four men and four women, 79.11 ± 13.48 years). After the ISQ values, insertion torque, and static stiffness of each implant system were measured, the DMA was performed to assess dynamic stiffness and viscoelastic tan δ. Results The ISQ value had strong positive correlations with thickness, insertion torque, static and dynamic stiffness, and a negative correlation with tan δ of implant systems in artificial bone blocks (r = 0.769 to 0.992, p
Databáze: OpenAIRE