表1.

改良的USPHS评价标准

The modified USPHS criteria

Characteristic	Rating	Criteria
USPHS, United States Public Health Service. A, satisfaction; B, acceptable; C, dissatisfaction.
Secondary caries	A	No evidence of caries contiguous with the margin of the restoration
	B	Caries evident contiguous with the margin of the restoration
Presence of restoration failure	A	Crown appears normal, no cracks, chips, or fracture
	B	Partly but noticeable areas of loss of material
	C	Complete loss of crown
Postoperative sensitivity and pulpitis	A	No postoperative sensitivity
	C	Postoperative sensitivity, spontaneous pain, pulpitis, no response to electrical activity test
Color match	A	No mismatch in color, shade and translucency between restoration and adjacent tooth structure
	B	Mismatch between restoration and tooth structure within the normal range of color, shade and translucency
	C	Mismatch between restoration and tooth structure outside the normal range of color, shade and translucency
Gingival health	A	No obvious signs of inflammation
	C	Marginal gingivitis