Management of Class I and Class II Amalgam Restorations with Localized Defects: Five-Year Results

Table 1

U.S. Public Health Service/Ryge clinical criteria.

Clinical characteristic	Alfa	Bravo	Charlie
Marginal adaptation	Explorer does not catch when drawn across the restoration/tooth interface	Explorer falls into crevice when drawn across the restoration/tooth interface	Dentin or base is exposed along the margin
Anatomic form	The general contour of the restorations follows the contour of the tooth	The general contour of the restoration does not follow the contour of the tooth	The restoration has an overhang
Surface roughness	The surface of the restoration has not any surface defects	The surface of the restoration has minimal surface defects	The surface of the restoration has severe surface defects
Secondary caries	There is no clinical diagnosis of caries	NA	There is clinical diagnosis of caries