Recently, "pink-white esthetic"have become the ideal pursuit for dentist in dental esthetic treatment. " white"means natural teeth or simulation restorations of natural teeth; "

By training dental practitioners to make space judgments and subject arrangements in art painting, the practitioner can promote the ability of reconstruction, which is essential in esthetic dentistry.

With the improvement of living standards and esthetic requirements, patients have more demands on esthetic of dental restorations.