Table II.
Inclusion Criteria | Exclusion Criteria |
---|---|
Adult (female ≥ 16 years, male ≥ 18 years) | |
At least 2 of the following clinical criteria required: | History of severe facial trauma |
ANB ≥ 4 | Previous orthodontic treatment |
Overjet ≥ 4 | Presence of facial syndromes |
Angle CII molar or canine relationship on at least one side | |
Convex profile | Missing or poor quality records |
Note: Both Class II division 1 and division 2 subjects were included. | Missing or impacted teeth other than 3rd molars |
Retained primary teeth |