Table 4.

Criteria used for the clinical evaluations of the restorations (adapted version of modified United States Public Health Service (USPHS) criteria)

Category	Score*	Criteria
1. Photograph—adaptation restoration	0	Restorations contour is continuous with existing anatomical form and margins of the restoration
	1	Restoration is slightly under of over contoured
	2	Marginal overhang or tooth structure (dentin or enamel) is exposed
	3	Restoration is missing, traumatic occlusion or restoration cause pain in tooth or adjacent tissue
2. Photograph—caries	0	No visible caries
	1	Caries contiguous with the margin of the restoration
3. Photograph—marginal adaptation	0	Excellent continuity at resin—enamel interface; no ledge formation, no discoloration
	1	Slight discoloration at resin—enamel interface; ledge at interface
	2	Moderate discoloration at resin—enamel interface measuring 1 mm or greater
	3	Recurrent decay at margin
4. Photograph—polishability	0	Smooth and highly shiny, similar to enamel
	1	Smooth and satin, highly reflective
	2	Rough and shiny, satin, somewhat reflective
	3	Rough and dull or satin, not reflective
5. Photograph—surface staining	0	Absent
	1	Present
6. Photograph—contact points	0	Present
	1	Absent
7. Photograph—fracture of restoration	0	No fracture of the restoration
	1	Small lines of the restoration
	2	Small chippings (1/4 of restoration)
	3	Moderate chippings (1/2 of restoration)
	4	Severe chippings (3/4 of restoration)
	5	Loose of the restoration
8. Photograph—wear restoration	0	No wear
	1	Wear
9. Radiopgraph—adaptation restoration	0	Restorations contour is continuous with existing anatomical form and margins
	1	Restoration is slightly under of over contoured
	2	Marginal overhang or tooth structure (dentin or enamel) is exposed
	3	Restoration is missing, traumatic occlusion or restoration cause pain in tooth or adjacent tissue
10. Radiopgraph—caries	0	No visible caries
	1	Caries contiguous with the margin of the restoration
11. Radiopgraph—marginal adaptation	0	Excellent continuity at resin—enamel interface; no ledge formation, no discoloration
	1	Slight discoloration at resin—enamel interface; ledge at interface
	2	Moderate discoloration at resin—enamel interface measuring 1 mm or greater
	3	Recurrent decay at margin

*Scores 0, 1, 2, 3, 4 and 5 can also be read as Alpha, Beta, Charlie, Delta, Echo and Foxtrot