期刊论文详细信息
Pró-Fono Produtos Especializados para Fonoaudiologia Ltda: Pro-Fono R. Atual. Cient
Anterior open bite: a formula for the differential diagnosis
Alimere,Heloísa Canesin ; Thomazinho,Adílson ; Felício,Cláudia Maria de
关键词: : Open Bite;    Cephalometry;    Speech;    Language and Hearing Science.;   
学科分类:医学(综合)
来源: Pró-Fono Produtos Especializados para Fonoaudiologia Ltda.
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【 摘 要 】

BACKGROUND: the differentiation between dental and skeletal anterior open bite, both with distinct etiologies and characteristics, is necessary to establish adequate orthodontic and speech-language treatment procedures. AIM: to establish a formula for the differential diagnosis of dental anterior open bite and skeletal anterior open bite based on a cephalometric analysis of the angles that measure the mandibular plane inclination (NS.GoGn), the vertical and anteroposterior mandibular growth (NSGn), and the Facial Axis angle. METHOD: 78 lateral radiographies, of individuals with ages varying from 6 to 13 years, were analyzed and divided into two groups: dental anterior open bite and skeletal anterior open bite. RESULTS: there was a significant difference between the groups regarding the measurements of the angles: for the group with skeletal anterior open bite the NS.GoGn and the NSGn angles were bigger and the Facial Axis angle was smaller when compared to the group with dental anterior open bite. The adjustment to the linear function resulted in a formula that determines the type of anterior open bite with only 3.5% of error. Conclusions: it was possible to establish a high precision formula for the differential diagnosis between dental and skeletal open bite, based on the angle measurements of NS.GoGn NSGn and Facial Axes. The presented formula for the differential diagnosis has research and clinical applicability.

【 授权许可】

CC BY-NC   

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