Table 1.

Scoring criteria for the parameters for clinical evaluation of restorations.

Parameter	1	2	3
Marginal integrity (CN)	Explorer does not catch when drawn across the surface of the restoration towards the tooth	Explorer catches and there is visible evidence of a crevice	Explorer penetrates into a crevice that extends to the dentino–enamel junction
Marginal integrity (SSC)	0.5 mm extension of the crown into the gingival margin	1 mm extension of the crown into the gingival margin	More than 1 mm extension of the crown into the gingival margin
Proximal contact	Resistance met when passing floss	Floss passed without resistance but contact present	No contact with adjacent tooth
Gingival health	No gingival bleeding	Bleeding with probe	Spontaneous bleeding
Secondary caries	Absent	Present
Discomfort on biting	Absent	Present