Damping Factor as a Diagnostic Parameter for Assessment of Osseointegration during the Dental Implant Healing Process: An Experimental Study in Rabbits

Sheng-Wei Feng, Kuo Ning Ho, Ya Hui Chan, K. J. Chang, Wei Yi Lai, Haw-Ming Huang

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The purpose of this study was to evaluate the possibility of using damping factor (DF) analysis to provide additional information on osseointegration of dental implants during the healing period. A total of 30 dental implants were installed in the bilateral femoral condyles of 15 rabbits. A DF analyzer detected with an impulse-forced vibration method and a commercialized dental implant stability analyzer based on resonance frequency (RF) analysis were used to measure the implant stability immediately after implant placement and 1, 2, 4, and 8 weeks post-surgically. Results of DF and RF analyses at different time points were compared with the corresponding osseointegration performance of dental implants via micro-computed tomography (micro-CT), histological and histomorphometrical analysis. The DF values revealed a decrease with time and reached 0.062 ± 0.007 at 8 weeks after implantation, which is almost 50% lower than the initial value. Moreover, highly significant correlations between DF values and bone volume densities (R2 = 0.9797) and percentages of bone-to-implant contact measured at trabecular bone area (R2 = 0.9773) were also observed. These results suggested that DF analysis combined with RF analysis results in a more sensitive assessment of changes in the dental implant/bone complex during the healing period than RF analysis alone.

Original languageEnglish
Pages (from-to)3668-3678
Number of pages11
JournalAnnals of Biomedical Engineering
DOIs
Publication statusAccepted/In press - Jun 15 2016

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Dental prostheses
Damping
Bone
Factor analysis
Vibrations (mechanical)
Tomography

Keywords

  • Dental implant stability
  • Histomorphometrical analysis
  • Micro-CT
  • Noninvasive vibration analysis
  • Resonance frequency

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

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title = "Damping Factor as a Diagnostic Parameter for Assessment of Osseointegration during the Dental Implant Healing Process: An Experimental Study in Rabbits",
abstract = "The purpose of this study was to evaluate the possibility of using damping factor (DF) analysis to provide additional information on osseointegration of dental implants during the healing period. A total of 30 dental implants were installed in the bilateral femoral condyles of 15 rabbits. A DF analyzer detected with an impulse-forced vibration method and a commercialized dental implant stability analyzer based on resonance frequency (RF) analysis were used to measure the implant stability immediately after implant placement and 1, 2, 4, and 8 weeks post-surgically. Results of DF and RF analyses at different time points were compared with the corresponding osseointegration performance of dental implants via micro-computed tomography (micro-CT), histological and histomorphometrical analysis. The DF values revealed a decrease with time and reached 0.062 ± 0.007 at 8 weeks after implantation, which is almost 50{\%} lower than the initial value. Moreover, highly significant correlations between DF values and bone volume densities (R2 = 0.9797) and percentages of bone-to-implant contact measured at trabecular bone area (R2 = 0.9773) were also observed. These results suggested that DF analysis combined with RF analysis results in a more sensitive assessment of changes in the dental implant/bone complex during the healing period than RF analysis alone.",
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author = "Sheng-Wei Feng and Ho, {Kuo Ning} and Chan, {Ya Hui} and Chang, {K. J.} and Lai, {Wei Yi} and Haw-Ming Huang",
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AU - Chan, Ya Hui

AU - Chang, K. J.

AU - Lai, Wei Yi

AU - Huang, Haw-Ming

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