Biological objectives
-respecting the remaining dental structures by being as conservative as possible (42) -preservation of the biological space after rehabilitation (11)
Functionnal objectives
-restauring a functionnal anterior guide -ensuring food incision -ensuring an intelligible phonation (12,43)
Esthetical objectives
-harmonious integration of the restauration in the patient’s smile -respecting the color and position, of the peg-shaped teeth and their periodontium.