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Dentofacial growth changes in subjects with untreated Class II malocclusion from late puberty through young adulthood.
Am J Orthod Dentofacial Orthop. 2009 Feb; 135(2):148-54.AJ

Abstract

INTRODUCTION

The purpose of this longitudinal study was to compare dentofacial growth changes in untreated subjects with Class II Division 1 malocclusion with those in subjects with normal (Class I) occlusion from late puberty through young adulthood.

METHODS

The Class II Division 1 sample consisted of 23 subjects (10 male, 13 female). The Class I sample included 30 subjects (13 male, 17 female). The lateral cephalograms of the subjects in both groups were analyzed at 2 consecutive stages of development: T1, postpubertal observation (cervical vertebral maturation stage 6), and T2, young adulthood stage. The average time between T1 and T2 was 3.5 years. The statistical comparisons of the growth changes in the 2 groups were performed with Mann-Whitney U tests.

RESULTS

From late puberty through young adulthood, dentofacial growth in subjects with untreated Class II malocclusion does not show significant differences when compared with that observed in untreated subjects with normal occlusion.

CONCLUSIONS

These findings show that Class II dentoskeletal disharmony does not exhibit significant growth change from late puberty through young adulthood.

Authors+Show Affiliations

Department of Orthodontics, University of Florence, Florence, Italy. t.baccetti@odonto.unifi.itNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19201320

Citation

Baccetti, Tiziano, et al. "Dentofacial Growth Changes in Subjects With Untreated Class II Malocclusion From Late Puberty Through Young Adulthood." American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics, vol. 135, no. 2, 2009, pp. 148-54.
Baccetti T, Stahl F, McNamara JA. Dentofacial growth changes in subjects with untreated Class II malocclusion from late puberty through young adulthood. Am J Orthod Dentofacial Orthop. 2009;135(2):148-54.
Baccetti, T., Stahl, F., & McNamara, J. A. (2009). Dentofacial growth changes in subjects with untreated Class II malocclusion from late puberty through young adulthood. American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics, 135(2), 148-54. https://doi.org/10.1016/j.ajodo.2007.03.033
Baccetti T, Stahl F, McNamara JA. Dentofacial Growth Changes in Subjects With Untreated Class II Malocclusion From Late Puberty Through Young Adulthood. Am J Orthod Dentofacial Orthop. 2009;135(2):148-54. PubMed PMID: 19201320.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Dentofacial growth changes in subjects with untreated Class II malocclusion from late puberty through young adulthood. AU - Baccetti,Tiziano, AU - Stahl,Franka, AU - McNamara,James A,Jr PY - 2007/01/01/received PY - 2007/03/01/revised PY - 2007/03/01/accepted PY - 2009/2/10/entrez PY - 2009/2/10/pubmed PY - 2009/3/4/medline SP - 148 EP - 54 JF - American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics JO - Am J Orthod Dentofacial Orthop VL - 135 IS - 2 N2 - INTRODUCTION: The purpose of this longitudinal study was to compare dentofacial growth changes in untreated subjects with Class II Division 1 malocclusion with those in subjects with normal (Class I) occlusion from late puberty through young adulthood. METHODS: The Class II Division 1 sample consisted of 23 subjects (10 male, 13 female). The Class I sample included 30 subjects (13 male, 17 female). The lateral cephalograms of the subjects in both groups were analyzed at 2 consecutive stages of development: T1, postpubertal observation (cervical vertebral maturation stage 6), and T2, young adulthood stage. The average time between T1 and T2 was 3.5 years. The statistical comparisons of the growth changes in the 2 groups were performed with Mann-Whitney U tests. RESULTS: From late puberty through young adulthood, dentofacial growth in subjects with untreated Class II malocclusion does not show significant differences when compared with that observed in untreated subjects with normal occlusion. CONCLUSIONS: These findings show that Class II dentoskeletal disharmony does not exhibit significant growth change from late puberty through young adulthood. SN - 1097-6752 UR - https://www.unboundmedicine.com/medline/citation/19201320/Dentofacial_growth_changes_in_subjects_with_untreated_Class_II_malocclusion_from_late_puberty_through_young_adulthood_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0889-5406(08)00932-3 DB - PRIME DP - Unbound Medicine ER -