Er:YAG Laser and Fractured Incisor Restorations: An In Vitro Study

Table 1

Criteria used by the two blind operators to assign the scores for infiltration evaluation.

Extent of dye recorded	Code
Absence of penetration	0
Limited penetration on the enamel portion of the wall	1
Penetration which also involves the dentine portion of the walls without affecting the roof of the pulp chamber	2
Penetration which reaches as far as the roof of the pulp chamber and affects it	3