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VOLUME 17 , ISSUE 4 ( April, 2016 ) > List of Articles

RESEARCH ARTICLE

The Effects of Functional Appliances on Female Patients with Skeletal Class II Malocclusion 6 Months after Menarche

Ali AM Jouybari, Valiallah Arash, Saeid Tavanafar, Soraya Khafri, Zahra Dehghan

Citation Information : Jouybari AA, Arash V, Tavanafar S, Khafri S, Dehghan Z. The Effects of Functional Appliances on Female Patients with Skeletal Class II Malocclusion 6 Months after Menarche. J Contemp Dent Pract 2016; 17 (4):286-293.

DOI: 10.5005/jp-journals-10024-1843

Published Online: 01-08-2016

Copyright Statement:  Copyright © 2016; The Author(s).


Abstract

Aim

To investigate the skeletal, dental, and soft tissue changes in girls with class II division 1 malocclusion after growth spurt peak under the effect of activator appliance.

Materials and methods

In this clinical trial study, 15 female patients, with skeletal class II and mandibular growth deficiency and at least 5 mm overjet, were randomly selected 6 months after their menarche. The mean of their ages at the beginning was 12.33 ± 0.81 years, and in the end it was 13.73 ± 0.79 years; the mean duration of treatment was 12.2 ± 3.18 months. Lateral, cephalometric radiographs were taken from all the patients before and after the treatment. Data were analyzed with Statistical Package for the Social Sciences (SPSS) 20 using paired t-test.

Results

On an average, the ANB angle, the angle of the upper incisors with the S-N, facial convexity, and overjet decreased by 2.6° ± 0.9, 5.4° ± 0.8, 3.8° ± 3.4, and 5.6 ± 1.8 mm respectively. The SNB angle, the angle of the lower incisors with the N-B, the labiomental angle, the total length of the mandible, the lower anterior facial height, the lower lip distance, the first molar of the mandible, and the soft tissue pogonion to the vertical line from the S point increased by 2.8° ± 1.8, 3.4° ± 3, 14.7 ± 15, 3.7 ± 2.6, 2.1 ± 1.6, 6.3 ± 2.5, 4.4 ± 2.4, and 6 ± 3.3 mm respectively. All these figures were statistically significant (p = 0.000).

Conclusion

The functional appliance improved the dental–skeletal relations and the soft tissue profile of patients after growth spurt peak of puberty in a group of Iranian girls, whereas dental changes were more than skeletal ones.

Clinical significance

Functional appliances can be used for correction of skeletal class II malocclusion 6 months after menarche in girls.

How to cite this article

Jouybari AAM, Arash V, Tavanafar S, Khafri S, Dehghan Z. The Effects of Functional Appliances on Female Patients with Skeletal Class II Malocclusion 6 Months after Menarche. J Contemp Dent Pract 2016;17(4):286-293.


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