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논문 상세정보

Abstract

Purpose: Resonance frequency analysis (RFA) , a non-invasive technique for the clinical measurement of implant stability, was investigated. Peri-implant bony defect may contribute to implant failure. This in vitro study evaluated the resonance frequencies according to various bony defects and determined whether the directional bone defect can affect the value of frequency analysis. Material and Method: Fifteen 3.75 mm in diameter and 10 mm in length, machined self-tapping implant future were used. Twelve types of bone defects that have different horizontal and vertical dimensions were simulated. Embedded implants were attached to the dental surveyor. Then, the transducer was connected with the implant fixture and the ISQ value was measured at four different directions. Two-way analysis of variance and post hoc $Sch\`{e}ffe'$ test were performed at the 95% significance level. Results: The control group showed the highest ISQ value and 5 thread-$360^{\circ}$ group had the lowest one. As the vertical exposure of implants in each angle was increased, the ISQ value was decreased. Although the horizontal exposure in each thread was increased, the ISQ value was not significantly decreased. Conclusion : Although the simulated defect type was different from each other, the ISQ value was similar among groups.

참고문헌 (20)

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이 논문을 인용한 문헌 (2)

  1. Jung, Hye-Eun ; Kim, Dae-Gon ; Park, Chan-Jin ; Cho, Lee-Ra ; Yi, Yang-Jin 2007. "STABILITY CHANGES OF IMMEDIATELY LOADED AND DELAYED LOADED IMPLANTS IN EDENTULOUS MANDIBLE" 대한치과보철학회지 = The journal of Korean academy of prosthodontics, 45(2): 250~262 
  2. Won, Ho-Yeon ; Cho, In-Ho ; Lee, Joon-Seok 2008. "A study of $Smartpeg^{TM}'s$ lifetime according to sterilization for implant stability" 대한치과보철학회지 = The journal of Korean academy of prosthodontics, 46(1): 42~52 

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