无牙老年人群下颌管管壁的吸收
Resorption of mandibular canal wall in the edentulous aged population.
作者信息
Xie Q, Wolf J, Tilvis R, Ainamo A
机构信息
Department of Prosthetic Dentistry, University of Helsinki, Finland.
出版信息
J Prosthet Dent. 1997 Jun;77(6):596-600. doi: 10.1016/s0022-3913(97)70101-x.
STATEMENT OF PROBLEM
The mandibular canal wall may be affected by the progress of residual ridge resorption after tooth extraction. Little knowledge is available regarding the relationship of specific systemic factors and the resorption of the mandibular canal wall.
PURPOSE
The purpose of this study was to assess the status of the mandibular canal in the edentulous mandible and to determine whether there is any relationship between the resorption of the mandibular canal wall and selected health indices in the elderly.
MATERIAL AND METHODS
The status of the mandibular canal was assessed from panoramic radiographs of 128 edentulous elderly subjects (32 men and 96 women).
RESULTS
The superior border of the mandibular canal was more frequently resorbed in women (32.6%) than in men (9.8%). Resorption in the mandibular canal wall was significantly more prevalent in subjects with asthma (odds ratio: 6.0), with thyroid disease (odds ratio: 3.04), and with a cortical thickness at the mandibular angle less than 1 mm thick (odds ratio 2.74).
CONCLUSION
The findings suggest that gender, asthma, and thyroid disease play important roles in resorption of the mandibular canal wall.
问题陈述
拔牙后剩余牙槽嵴吸收的进展可能会影响下颌管管壁。关于特定全身因素与下颌管管壁吸收之间的关系，目前所知甚少。
目的
本研究的目的是评估无牙下颌骨中下颌管的状况，并确定下颌管管壁吸收与老年人选定健康指标之间是否存在任何关系。
材料与方法
通过128名无牙老年受试者（32名男性和96名女性）的全景X线片评估下颌管的状况。
结果
下颌管上缘在女性中的吸收频率（32.6%）高于男性（9.8%）。下颌管管壁吸收在患有哮喘的受试者（优势比：6.0）、患有甲状腺疾病的受试者（优势比：3.04）以及下颌角皮质厚度小于1mm的受试者中（优势比2.74）明显更为普遍。
结论
研究结果表明，性别、哮喘和甲状腺疾病在下颌管管壁吸收中起重要作用。
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