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TITLE:

TO DETERMINE THE DIFFERENT FACTORS INVOLVED IN CROWNS AND FIXED PARTIAL DENTURE FAILURE

AUTHORS:

Dr Arshad Mehmood, Dr Saif Ur Rehman, Dr Ahmad Tazeem

ABSTRACT:

Background: Conventional fixed prosthodontics treatment modalities including crown and fixed partial denture are still considered to be effective and performable treatment modalities in the third world countries for the restoration of function esthetics and comfort. The aim of this study was to determine the frequency of Crown and Fixed Partial Denture failure. Study Design: This was a descriptive cross-sectional study. Place and Duration of Study: This study was conducted in the department of dentistry of Mayo Hospital Lahore for the duration of one year from March 2019 to March 2020. Materials and Methods: Total 112 patients selected with Non-Probability Consecutive sampling technique reported with failure of Crown and Fixed Partial Dentures (FPD). Results: In our study gender distribution of patients was, males were 45 (40.17%) and females were 67(59.82%).The most common factor causing crown failure was periodontal problem (40%) while the least common was aesthetics (2%). While the most important factor causing failure in FPD was caries (35%) and the least was aesthetics (4%). Informed consent was obtained from all patients enrolled. Data was analyzed on SPSS 20 version. Chi-Square test was applied for Statistical significance. Conclusion: The main factor accounted for failure in crowns was periodontal problem, followed by caries, defective margins, cementation failure, loss of retention and poor aesthetics. While the most frequent factor associated with FPD failure was caries, followed by periodontal problems, loss of retention, defective margins, cementation and esthetics failure. Key Words: Fixed partial dentures, Porcelian Fused to metal, Fixed prosthodontics, Crowns.

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