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Dentoskeletal effects and facial profile changes in young adults treated with the Herbst appliance.
Angle Orthod. 1999 Jun; 69(3):239-46.AO

Abstract

This prospective Herbst study analyzed the sagittal dental and skeletal changes contributing to Class II correction in young adults. Additionally, the alteration in skeletal and soft tissue convexity occurring during treatment was assessed. Early adolescent subjects in the permanent dentition who had been treated with the Herbst appliance were used for comparison. Lateral headfilms from before and after an average treatment period of 8.5 months for the young adults and 7.1 months for the adolescents were evaluated. All adult and adolescent subjects were treated to either Class I or overcorrected Class I occlusal relationships. In both groups the improvement in sagittal incisor and molar relationships was achieved more by dental changes than by skeletal ones. The amount of skeletal change contributing to overjet and molar correction was smaller in the young adult group (22% and 25%, respectively) than in the early adolescent group (39% and 41%, respectively). Skeletal and soft tissue facial profile convexity was reduced in adults and adolescents. Facial profile improvement did not differ between the two groups. The results of this study revealed that the Herbst appliance is most effective in the treatment of Class II malocclusion in young adults. It is suggested that this treatment method could be an alternative to orthognathic surgery in borderline Class II cases.

Authors+Show Affiliations

Department of Orthodontics, University of Giessen, Germany. Sabine.Ruf@dentist.med.uni-giessen.deNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

10371429

Citation

Ruf, S, and H Pancherz. "Dentoskeletal Effects and Facial Profile Changes in Young Adults Treated With the Herbst Appliance." The Angle Orthodontist, vol. 69, no. 3, 1999, pp. 239-46.
Ruf S, Pancherz H. Dentoskeletal effects and facial profile changes in young adults treated with the Herbst appliance. Angle Orthod. 1999;69(3):239-46.
Ruf, S., & Pancherz, H. (1999). Dentoskeletal effects and facial profile changes in young adults treated with the Herbst appliance. The Angle Orthodontist, 69(3), 239-46.
Ruf S, Pancherz H. Dentoskeletal Effects and Facial Profile Changes in Young Adults Treated With the Herbst Appliance. Angle Orthod. 1999;69(3):239-46. PubMed PMID: 10371429.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Dentoskeletal effects and facial profile changes in young adults treated with the Herbst appliance. AU - Ruf,S, AU - Pancherz,H, PY - 1999/6/17/pubmed PY - 1999/6/17/medline PY - 1999/6/17/entrez SP - 239 EP - 46 JF - The Angle orthodontist JO - Angle Orthod VL - 69 IS - 3 N2 - This prospective Herbst study analyzed the sagittal dental and skeletal changes contributing to Class II correction in young adults. Additionally, the alteration in skeletal and soft tissue convexity occurring during treatment was assessed. Early adolescent subjects in the permanent dentition who had been treated with the Herbst appliance were used for comparison. Lateral headfilms from before and after an average treatment period of 8.5 months for the young adults and 7.1 months for the adolescents were evaluated. All adult and adolescent subjects were treated to either Class I or overcorrected Class I occlusal relationships. In both groups the improvement in sagittal incisor and molar relationships was achieved more by dental changes than by skeletal ones. The amount of skeletal change contributing to overjet and molar correction was smaller in the young adult group (22% and 25%, respectively) than in the early adolescent group (39% and 41%, respectively). Skeletal and soft tissue facial profile convexity was reduced in adults and adolescents. Facial profile improvement did not differ between the two groups. The results of this study revealed that the Herbst appliance is most effective in the treatment of Class II malocclusion in young adults. It is suggested that this treatment method could be an alternative to orthognathic surgery in borderline Class II cases. SN - 0003-3219 UR - https://www.unboundmedicine.com/medline/citation/10371429/Dentoskeletal_effects_and_facial_profile_changes_in_young_adults_treated_with_the_Herbst_appliance_ L2 - https://meridian.allenpress.com/angle-orthodontist/article-lookup/doi/10.1043/0003-3219(1999)069<0239:DEAFPC>2.3.CO;2 DB - PRIME DP - Unbound Medicine ER -