Ref: Sturdvant textbook.

- NEED FOR RESTORATION :
- To treat a teeth with carious lesion
- To treat defective restoration
- To treat fracture tooth
- For esthetics
- For prophylaxis.
- OBJECTIVE OF TOOTH PREPARATION
- Remove all defects,protect pulp
- Extend restoration as conservatively as possible so as to protect natural tooth
- Preparation to be done in such a way that tooth cannot be displaced under masticatory forces.
- Form, structure function and esthetics to be considered while tooth preparation.
