Effect of splinting in fixed partial denture- A 3D Finite Element Analysis

Dr Mehul R Mahesh; Dr Bennett Atlin Correya; Dr Joy PT

Volume : VI, Issue : XI, November - 2017

Effect of splinting in fixed partial denture- A 3D Finite Element Analysis

Dr Mehul R Mahesh, Dr Bennett Atlin Correya, Dr Joy Pt

Abstract :

Fixed Partial dentures often require splinting of multiple abutments to overcome mechanical problems of long edentulous span or loss of bone support of abutments. The study analysed stress levels in teeth and supporting structures in fixed prosthesis by Finite element method to assess how multiple abutments in fixed prosthesis modifies the stresses and deflections. The stress and deflection was reduced in the supporting structures when a fixed prosthesis was faicated and teeth were splinted together as 4, 5 or 6 unit FPD however by increasing the abutments the reduction of stress on the periodontium was not proportional. Stress concentrations were observed in the connector area and cervical tooth area adjacent the edentulous ridge. It was concluded that the mechanical problems of a long span FPD can not be completely managed by increasing the number of abutments.