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Titolo:
Diagnostic criteria for pseudo-Class III malocclusion
Autore:
Rabie, ABM; Ortho, C; Gu, Y;
Indirizzi:
Univ Hong Kong, Prince Philip Dent Hosp, Fac Dent, Hong Kong, Hong Kong Univ Hong Kong Hong Kong Hong Kong Hosp, Fac Dent, Hong Kong, Hong Kong
Titolo Testata:
AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS
fascicolo: 1, volume: 117, anno: 2000,
pagine: 1 - 9
SICI:
0889-5406(200001)117:1<1:DCFPIM>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
33
Recensione:
Indirizzi per estratti:
Indirizzo: Rabie, ABM Univ Hong Kong, Prince Philip Dent Hosp, Fac Dent, 34 Hosp Rd, Hong Kong, Hong Kong Univ Hong Kong 34 Hosp Rd Hong Kong Hong Kong Kong, Hong Kong
Citazione:
A.B.M. Rabie et al., "Diagnostic criteria for pseudo-Class III malocclusion", AM J ORTHOD, 117(1), 2000, pp. 1-9

Abstract

The aim of this study is to identify the diagnostic criteria for pseudo-Class III malocclusion and compare it with Class I malocclusion in the southern Chinese population, Sixty-seven patients (mean age, 10.9 +/- 1.8 years) were included in this study; 36 patients represented pseudo-Class III malocclusion. Selection criteria included the following: (1) anterior crossbite (at least 2 incisors with negative overjet and overbite); (2) mandibular displacement; (3) all patients were southern Chinese who had been followed after the growth spurt, none had developed a skeletal Class III malocclusion;(4) the patients were treated for an average of 7 months to procline upperincisors and retrocline lower incisors, None of the cases received any treatment that might affect skeletal growth. Thirty-one patients with Class I malocclusion were included in the Class I malocclusion group for the comparison of dentoskeletal characteristics with the pseudo-Class III malocclusion group, Selection criteria included the following: (1) skeletal Class I malocclusion with normal overjet and overbite, (2) mild to moderate crowding with Class I molar relationship, (3) straight facial profile. The followingwere included in the assessment of pseudo-Class III malocclusion cases: (1) family history, (2) molar and canine relationships at habitual occlusion and centric relation, and (3) dentoskeletal morphology. The results were that 72% of the examined cases in the pseudo-Class III malocclusion group showed no family history acid 75% showed Class I molar relationship at habitual occlusion, Compared with the Class I malocclusion group, subjects in the pseudo-Class III malocclusion group showed a significantly decreased midface length, increased maxillary-mandibular difference, more retroclined upperincisors, and a retrusive upper lip. In conclusion, a pseudo-Class III malocclusion is characterized by retroclined upper incisors, retrusive upper lip, decreased midface length, and increased maxillary-mandibular difference. Findings of this study showed that patients with a pseudo-Class III malocclusion exhibit certain morphologic, dental, and skeletal characteristics that should be of aid in the diagnosis of pseudo-Class III malocclusion.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/12/20 alle ore 14:57:03