Volume 8 Issue 12 (December, 2020)

Original Articles

Evaluation of Causes of Failures of FPDs
Dr. Kaumudhi Kalla, Dr. Rashmi Raman, Dr. Anju S Kumar, Dr. Pradeepta Kaushal, Dr. Nimmy Anto, Dr. Ruchi Jain

Background: The present study was conducted to assess causes of FPD failures. Materials & Methods: 118 patients with fixed partial denture failures of both genders were involved. Mechanical factors and biological factors of FPD failures was recorded. Results: common cause of mechanical failure is loss of retention in 17, bridge fracture in 14, coronal tooth fracture in 10, porcelain fracture in 14, perforation in 6 and occlusal wear in 4 cases. The common biological failures can be caries in 2, periapical pathology in 10, occlusal problem in 9, mobility of abutment in 7, sinus in 2 and food lodgement in 4 cases. The difference was significant (P< 0.05). Conclusion: Common cause of failure was loss of retention, bridge fracture, coronal tooth fracture, caries and periapical pathology. Key words: Caries, FPD, Periapical pathology.

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