[Modifications of occlusal and axial morphology in removable partial denture]

The axial and occlusal preparation of the teeth is necessary to the sustentation, the stabilization and retention of a removable partial denture. The preparations by subtraction concern the axial and occlusal surfaces. The creation of guided surfaces within the enamel of the proximal surfaces, always start before the realisation of the occlusal boxes. The preparation by addition using composites present an esthetic and economic solution to the remodeling of the axial contour of the teeth. This promising technique has however no long term results.