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Treatment of Class II open bite in the mixed dentition with a removable functional appliance and headgear.
Quintessence Int. 1992 May; 23(5):323-33.QI

Abstract

Early diagnosis of patients exhibiting open bites that are complicated by skeletal Class II and vertical growth problems can facilitate subsequent treatment. Eight patients with Class II skeletal open bite were treated with the high-pull activator appliance and compared to reasonably matched controls to determine the effects of the appliance. The high-pull activator was found to reduce forward growth of the maxilla and increase mandibular alveolar height, transforming the Class II molar relationship into a Class I molar relationship. The overjet and open bite were decreased, and, in addition, the appliance reduced the amount of forward and downward movement of the maxillary molars, providing vertical control of the maxilla during Class II orthopedic correction. These results demonstrated that open bite complicated by a Class II vertical growth pattern can be treated during the mixed dentition with favorable results by a combination of a removable functional appliance and high-pull headgear.

Authors+Show Affiliations

Ohio State University, College of Dentistry, Columbus 43210.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

1502307

Citation

Ngan, P, et al. "Treatment of Class II Open Bite in the Mixed Dentition With a Removable Functional Appliance and Headgear." Quintessence International (Berlin, Germany : 1985), vol. 23, no. 5, 1992, pp. 323-33.
Ngan P, Wilson S, Florman M, et al. Treatment of Class II open bite in the mixed dentition with a removable functional appliance and headgear. Quintessence Int. 1992;23(5):323-33.
Ngan, P., Wilson, S., Florman, M., & Wei, S. H. (1992). Treatment of Class II open bite in the mixed dentition with a removable functional appliance and headgear. Quintessence International (Berlin, Germany : 1985), 23(5), 323-33.
Ngan P, et al. Treatment of Class II Open Bite in the Mixed Dentition With a Removable Functional Appliance and Headgear. Quintessence Int. 1992;23(5):323-33. PubMed PMID: 1502307.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Treatment of Class II open bite in the mixed dentition with a removable functional appliance and headgear. AU - Ngan,P, AU - Wilson,S, AU - Florman,M, AU - Wei,S H, PY - 1992/5/1/pubmed PY - 1992/5/1/medline PY - 1992/5/1/entrez SP - 323 EP - 33 JF - Quintessence international (Berlin, Germany : 1985) JO - Quintessence Int VL - 23 IS - 5 N2 - Early diagnosis of patients exhibiting open bites that are complicated by skeletal Class II and vertical growth problems can facilitate subsequent treatment. Eight patients with Class II skeletal open bite were treated with the high-pull activator appliance and compared to reasonably matched controls to determine the effects of the appliance. The high-pull activator was found to reduce forward growth of the maxilla and increase mandibular alveolar height, transforming the Class II molar relationship into a Class I molar relationship. The overjet and open bite were decreased, and, in addition, the appliance reduced the amount of forward and downward movement of the maxillary molars, providing vertical control of the maxilla during Class II orthopedic correction. These results demonstrated that open bite complicated by a Class II vertical growth pattern can be treated during the mixed dentition with favorable results by a combination of a removable functional appliance and high-pull headgear. SN - 0033-6572 UR - https://www.unboundmedicine.com/medline/citation/1502307/Treatment_of_Class_II_open_bite_in_the_mixed_dentition_with_a_removable_functional_appliance_and_headgear_ DB - PRIME DP - Unbound Medicine ER -