Head posture and malocclusions
Head posture and malocclusions
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DOI：
10.1093/ejo/20.6.685
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发表时间：
1998-12-01
影响因子：
2.6
通讯作者：
Sonnesen, L
中科院分区：
文献类型：
--
作者：
Solow, B;Sonnesen, L
本研究旨在检查头部和颈部的姿势与咬合不正的发生之间是否存在任何关联模式。样本包括 96 名年龄在 7-13 岁的儿童（45 名男性，51 名女性），他们依次入院接受严重错牙合畸形的正畸治疗。咬合不正经过临床诊断，分为咬合异常、牙间隙异常和牙列异常及其细分。头颅侧位、颅颈位和颈水平位姿势变量是从受试者站立时头部处于自然头部位置（镜子位置）拍摄的侧位头影测量X光照片中记录的。发现拥挤和颅颈姿势之间存在明显的关联模式，前部拥挤的受试者，即上牙或下前牙段的空间不足超过2毫米 拱形的受试者的颅颈角平均比没有拥挤的受试者大 3-5 度（P < 0.05，P < 0.01）。研究结果与软组织拉伸假说一致，根据该假说，在颅颈姿势伸展的受试者中，背侧软组织压力的增加阻碍了牙槽弓的矢状发育。
The present study aimed to examine whether any pattern of associations could be found between the posture of the head and neck, and the occurrence of malocclusions. The sample comprised 96 children (45 M, 51 F) aged 7-13 years, sequentially admitted for orthodontic treatment of severe malocclusions. Malocclusions were diagnosed clinically and classified into occlusal, spacing, and dentitional anomalies and their subdivisions. Craniovertical, craniocervical, and cervicohorizontal postural variables were recorded from lateral cephalometric radiographs taken with the subject standing with the head in the natural head position (mirror position).A clear pattern of associations between crowding and craniocervical posture was found, Subjects with anterior crowding, i.e, more than 2 mm lack of space in the upper or lower anterior segments of the dental arch, had craniocervical angles that were on average 3-5 degrees larger than subjects without crowding (P < 0.05, P < 0.01). The findings were in agreement with the soft tissue stretching hypothesis, according to which the sagittal development of the dentoalveolar arches is impeded by the increased dorsally-directed soft tissue pressure in subjects with extended craniocervical posture.