All preparation variety in one case

According to the tooth condition, caries and restorations Veneer prep .. For teeth with defective facial restorations and old composite veneer ¾ prep .. For facial and proximal defective restorations and caries Shoulder Finish line .. When the remaining tooth structure is good and need more thickness at the margins Chamfer finish line .. More conservative than shoulder Verti prep .. Unable to do finish line since the remaining tooth structure was not good and in case of deep margins Endocrowns .. For badly destructed molars