Effect of Different Surface Treatments and Orthodontic Bracket Type on Shear Bond Strength of High-Translucent Zirconia: An In Vitro Study

Table 3

Frequency distribution (percentage) of adhesive remnant index (ARI) scores in the study groups.

Group	MB/C	MB/APA	MB/Co	MB/L	CB/C	CB/APA	CB/Co	CB/L	Total
ARI
0	0 (0)	0 (0)	0 (0)	0 (0)	7 (23)	0 (0)	0 (0)	0 (0)	7 (3)
1	31 (100)	31 (100)	22 (71)	31 (100)	24 (77)	31 (100)	19 (61)	31 (100)	220 (89)
2	0 (0)	0 (0)	9 (29)	0 (0)	0 (0)	0 (0)	12 (39)	0 (0)	21 (8)
3	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)

MB: metal bracket; CB: ceramic bracket; C: control; APA: airborne-particle abrasion; Co: CoJet; L: laser.