Paper Information

Journal:   JOURNAL OF RESEARCH IN DENTAL SCIENCES   SPRING 2008 , Volume 5 , Number 1; Page(s) 9 To 13.
 
Paper: 

EVALUATION THE STABILITY OF OVER DENTURE LOADED IMPLANTS IN NUMBER OF PRIVATE CINICS DURING 2006-2007

 
 
Author(s):  NASERMOSTOFI SH., JALALIAN E.A.*, NIKNAM ASL H.
 
* FIX PROSTODONTICS DEPT. DENTAL BRANCH ISLAMIC AZAD UNIVERSITY
 
Abstract: 
Background and aim: Results of Implant therapy have always been evaluated on the basis of radiographic and clinical assessments such as percussion, focused only on determination of peri-implant bone resorption and implant failures. These measurements are qualitative only and could not be considered as quantitative and reliable scales for the evaluation of stability; So they could not be statistically analysed. These difficulties could be overcome by using Resonance Frequency Analysis (RFA).RFA could be considered as a proper comparable measurement in evaluation of implant stability. This study aimed to evaluate and determine the stability of over denture loaded implants in a number of private clinics during 2006 -2007.
Materials and Methods: This cross – sectional study was conducted on 13 patients provided with Swiss plus implant Therapy loaded by over dentures for the first step, each patient was evaluated regarding Implant Quality health Scale and put into one of five groups. Abutments were then removed and fixtures were evaluated by Osstell Mentor Instrument following the attachment of Smart peg to fixtures, Implant Stability Qoutient was then determined. Sampling was done in a sequential approach and obtained data were statistically analyzed using X2 and t-test.
Results: Fourty three implants were evaluated in 13 patients, 21 in maxilla and 22 in mandible the mean I.S.Q.Equaled 70.36 ± 4.43 in maxilla and 79.1 ± 3.51 in mandible. The total mean ISQ (bimaxillary mean ISQ) equaled 84.36 ± 5.94.
Conclusion: Regarding the obtained results, Over denture loaded implants are absolutely successful treatment plans in mandible, according to their higher ISQ compared to maxilla. It is also demonstrated that stability of implants at each step of treatment Procedure is influenced by primary stability during placement more than any other factors. Primary stability itself is mainly influenced by surgeon`s experience in the proper following of surgical protocol.
 
Keyword(s): R.F.A: RESONANCE FREQUENCY ANALYSIS I.S.Q: IMPLANT STABILITY QUOTIENT
 
References: 
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