• Kridsada Tosakparalerd D.D.S.
• Rangsima Sakoolnamarka D.D.S., Grad Dip. (Oper Dent), Ph.D.
• Chaiwat Maneenut D.D.S., MDSC., TBOD., FRCDT., Ph.D.

The concept of minimal intervention dentistry had been evolved from the consequences
of better comprehension in caries process combined with the development of adhesive restorative
materials, thus leaded to potential modifications in cavity design. In the past, GV Black postulated the
cavity designs for amalgam, a non-adhesive material which leaded to tooth weakening. Thus, the new
cavity design was suggested to be smaller, conserve tooth structure or delay the needs for more
extensive restorations. The purpose of this article is to review about the proximal cavity preparation in
the topics of type of proximal cavity preparation, methods of preparation, contributing factors of
restoration and life span of restoration.

(CU Dent J. 2011;34:65-74)