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(a) OTP (15 years) showing agenesis of 18 and 15,12, 22, 23, 25, 35, 45; hypoplasia of the crowns of the upper central incisors in patient 3. (b) Severe root resorptions of the lower incisors and the lower first molars in patient 3 after correction of the skeletal Class III relationship by means of combined orthodontic-orthognathic therapy.
