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Incisal overjet and traumatic injuries to upper permanent incisors: A retrospective study

Incisal overjet and traumatic injuries to upper permanent incisors: A retrospective study Järvinen, S. Incisal ovejet and traumatic injuries to upper permanent incisors. A retrospective study.The relationships between traumatic injuries to upper incisors and incisal overjet were studied in a sample of 1445 orthodontically untreated children aged 7 to 16 years. Traumatic injuries of the hard dental tissues and exarticulations of teeth were recorded. The frequency of injuries was 14.2 7% in children with normal ovejet (0–3 mm), 28.4 % in children with increased ovejet (3.1–6 mm), and 38.6% in children with extreme ovejet (>6 mm). The severity of injuries was also greater in children with extreme ovejet than in children with overjet ranging from 0 to 6 mm. Furthermore, the range of injuries increased in relation to the overjet. Two or more injured incisors were found in 19.2% of the children with normal overjet, in 22.2% of the children with increased overjet, and in 46.7 % of those with extreme ovejet.Partly published in Finnish in Proc. Finn. dent. SOC. 73:Suppl. V, 1977. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Odontologica Scandinavia Taylor & Francis

Incisal overjet and traumatic injuries to upper permanent incisors: A retrospective study

Acta Odontologica Scandinavia , Volume 36 (5-6): 4 – Jan 1, 1978

Incisal overjet and traumatic injuries to upper permanent incisors: A retrospective study

Acta Odontologica Scandinavia , Volume 36 (5-6): 4 – Jan 1, 1978

Abstract

Järvinen, S. Incisal ovejet and traumatic injuries to upper permanent incisors. A retrospective study.The relationships between traumatic injuries to upper incisors and incisal overjet were studied in a sample of 1445 orthodontically untreated children aged 7 to 16 years. Traumatic injuries of the hard dental tissues and exarticulations of teeth were recorded. The frequency of injuries was 14.2 7% in children with normal ovejet (0–3 mm), 28.4 % in children with increased ovejet (3.1–6 mm), and 38.6% in children with extreme ovejet (>6 mm). The severity of injuries was also greater in children with extreme ovejet than in children with overjet ranging from 0 to 6 mm. Furthermore, the range of injuries increased in relation to the overjet. Two or more injured incisors were found in 19.2% of the children with normal overjet, in 22.2% of the children with increased overjet, and in 46.7 % of those with extreme ovejet.Partly published in Finnish in Proc. Finn. dent. SOC. 73:Suppl. V, 1977.

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References (4)

Publisher
Taylor & Francis
Copyright
© 1978 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted
ISSN
1502-3850
DOI
10.3109/00016357809029088
Publisher site
See Article on Publisher Site

Abstract

Järvinen, S. Incisal ovejet and traumatic injuries to upper permanent incisors. A retrospective study.The relationships between traumatic injuries to upper incisors and incisal overjet were studied in a sample of 1445 orthodontically untreated children aged 7 to 16 years. Traumatic injuries of the hard dental tissues and exarticulations of teeth were recorded. The frequency of injuries was 14.2 7% in children with normal ovejet (0–3 mm), 28.4 % in children with increased ovejet (3.1–6 mm), and 38.6% in children with extreme ovejet (>6 mm). The severity of injuries was also greater in children with extreme ovejet than in children with overjet ranging from 0 to 6 mm. Furthermore, the range of injuries increased in relation to the overjet. Two or more injured incisors were found in 19.2% of the children with normal overjet, in 22.2% of the children with increased overjet, and in 46.7 % of those with extreme ovejet.Partly published in Finnish in Proc. Finn. dent. SOC. 73:Suppl. V, 1977.

Journal

Acta Odontologica ScandinaviaTaylor & Francis

Published: Jan 1, 1978

Keywords: Orthodontics; dental occlusion; pedodontics

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