Document Detail

Implant stability related to insertion torque force and bone density: An in vitro study.
MedLine Citation:
PMID:  8778385     Owner:  NLM     Status:  MEDLINE    
Seventy-five implants were installed in 12 fresh ethanol-treated bovine ribs by use of a torque gauge manometer to measure the force needed to screw the implants fully into the bone. Digital radiographs were taken and a density histogram of the bone at the implant/bone interface was obtained. The damping characteristics of the implant/bone interface were assessed by tapping the abutment with the Periotest (PT) device. Abutments of several lengths screwed at 20 N/cm were used to conduct PT measurements and the PT values (PTVs) were related to the insertion torque force, the bone density, and implant and abutment length. The results indicated that high correlations exist between PTVs and insertion torque force (R value -0.74579), and PTVs and bone density (R value -0.83031). There was also a significant difference (p 0.001) among the PTVs of the different abutment lengths used. Implant length did not demonstrate influence on PTVs (p 0.3847).
J Tricio; D van Steenberghe; D Rosenberg; L Duchateau
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of prosthetic dentistry     Volume:  74     ISSN:  0022-3913     ISO Abbreviation:  J Prosthet Dent     Publication Date:  1995 Dec 
Date Detail:
Created Date:  1996-09-16     Completed Date:  1996-09-16     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0376364     Medline TA:  J Prosthet Dent     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  608-12     Citation Subset:  D; IM    
Department of Periodontology, Catholic University of Leuven, Belgium.
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MeSH Terms
Analysis of Variance
Bone Density
Dental Abutments
Dental Implantation, Endosseous / methods*
Dental Implants*
Dental Prosthesis Design*
Percussion / instrumentation
Stress, Mechanical
Reg. No./Substance:
0/Dental Implants

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