Table 1.

The modified United States of Public Health Service Criteria for clinical evaluation of sealants

Category	Score	Characteristic
Anatomic Form	Alpha	Continuous
	Bravo	Slight discontinuity, clinically acceptable
	Charlie	Discontinuous
Marginal Adaptation	Alpha	Closely adapted, no crevice is detected with explorer
	Bravo	Explorer penetrates in no more than 1/3 of the margin
	Charlie	Explorer penetrates more than 1/3 of the margin
Surface Texture	Alpha	Enamel-like surface
	Bravo	Surface rougher than enamel
	Charlie	Surface which unacceptably rough
Marginal Discoloration	Alpha	No visual evidence of discoloration
	Bravo	Discoloration without penetration in pulpal direction
	Charlie	Discoloration with penetration in pulpal direction
Retention	Alpha	No loss of the sealant
	Charlie	Loss of the sealant (partial or total loss)
Secondary Caries	Alpha	No caries present
	Charlie	Caries present