For Indirect Orthodontic Attachment Placement, Adding a Custom Composite Resin Base Is Not Beneficial: A Split-Mouth Randomized Clinical Trial

Table 2

Linear directional bias of orthodontic attachments (Y and Z axes).

	Occlusal	Gingival	value	Buccal-out	Palatal-in	value
Group I (UA)	85.70%	14.20%	0.01	28.50%	71.40%	0.02
Group II ( CBA)	64.20%	35.70%	0.13	42.80%	57.14%	0.43
-value	0.214	0.20		0.44	0.46

value: probability value. Significant difference.