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Cephalometric evaluation of Class II malocclusion treatment with cervical headgear and mandibular fixed appliances.
Eur J Orthod. 2008 Oct; 30(5):477-82.EJ

Abstract

The present study aimed to evaluate the cephalometric changes in Class II patients treated exclusively with cervical headgear (CHG) in the maxillary arch and fixed appliances in the mandibular arch as compared with a control group. The sample comprised 82 lateral cephalograms obtained pre- (T1) and post- (T2) treatment/observation of 41 subjects, divided into two groups: group 1-25 Class II division 1 patients (20 females and five males), with a mean pre-treatment age of 10.4 years, treated for a mean period of 2.5 years and group 2-16 Class II untreated subjects (12 females and four males), with a mean initial age of 9.9 years, followed for a mean period of 2.2 years. Treatment changes between the groups were compared by means of t-tests. The results showed restriction of maxillary forward displacement and also a restriction in maxillary length growth, improvement in the maxillomandibular relationship, restriction of mandibular incisor vertical development, reduction in overjet and overbite, and improvement in molar relationship. It was concluded that this treatment protocol corrected the Class II malocclusion characteristics primarily through maxillary forward growth restriction.

Authors+Show Affiliations

Department of Orthodontics, Bauru Dental School, University of São Paulo, Bauru, SP, Brazil. kmsf@uol.com.brNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

18725383

Citation

Freitas, M R., et al. "Cephalometric Evaluation of Class II Malocclusion Treatment With Cervical Headgear and Mandibular Fixed Appliances." European Journal of Orthodontics, vol. 30, no. 5, 2008, pp. 477-82.
Freitas MR, Lima DV, Freitas KM, et al. Cephalometric evaluation of Class II malocclusion treatment with cervical headgear and mandibular fixed appliances. Eur J Orthod. 2008;30(5):477-82.
Freitas, M. R., Lima, D. V., Freitas, K. M., Janson, G., & Henriques, J. F. (2008). Cephalometric evaluation of Class II malocclusion treatment with cervical headgear and mandibular fixed appliances. European Journal of Orthodontics, 30(5), 477-82. https://doi.org/10.1093/ejo/cjn039
Freitas MR, et al. Cephalometric Evaluation of Class II Malocclusion Treatment With Cervical Headgear and Mandibular Fixed Appliances. Eur J Orthod. 2008;30(5):477-82. PubMed PMID: 18725383.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Cephalometric evaluation of Class II malocclusion treatment with cervical headgear and mandibular fixed appliances. AU - Freitas,M R, AU - Lima,D V, AU - Freitas,K M S, AU - Janson,G, AU - Henriques,J F C, Y1 - 2008/08/25/ PY - 2008/8/30/pubmed PY - 2009/1/28/medline PY - 2008/8/30/entrez SP - 477 EP - 82 JF - European journal of orthodontics JO - Eur J Orthod VL - 30 IS - 5 N2 - The present study aimed to evaluate the cephalometric changes in Class II patients treated exclusively with cervical headgear (CHG) in the maxillary arch and fixed appliances in the mandibular arch as compared with a control group. The sample comprised 82 lateral cephalograms obtained pre- (T1) and post- (T2) treatment/observation of 41 subjects, divided into two groups: group 1-25 Class II division 1 patients (20 females and five males), with a mean pre-treatment age of 10.4 years, treated for a mean period of 2.5 years and group 2-16 Class II untreated subjects (12 females and four males), with a mean initial age of 9.9 years, followed for a mean period of 2.2 years. Treatment changes between the groups were compared by means of t-tests. The results showed restriction of maxillary forward displacement and also a restriction in maxillary length growth, improvement in the maxillomandibular relationship, restriction of mandibular incisor vertical development, reduction in overjet and overbite, and improvement in molar relationship. It was concluded that this treatment protocol corrected the Class II malocclusion characteristics primarily through maxillary forward growth restriction. SN - 1460-2210 UR - https://www.unboundmedicine.com/medline/citation/18725383/Cephalometric_evaluation_of_Class_II_malocclusion_treatment_with_cervical_headgear_and_mandibular_fixed_appliances_ L2 - https://academic.oup.com/ejo/article-lookup/doi/10.1093/ejo/cjn039 DB - PRIME DP - Unbound Medicine ER -