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放射诊断学在口腔医学领域中已广泛应用,多数患者都要作放射检查。为无牙颌患者作出修复前的诊断和治疗计划,放射检查是必不可少的,也是值得推荐的。放射诊断不仅是发现牙嵴下面隐蔽病灶的唯一方法,用于检查无牙颌病例,还可能发现早期的隐患,了解义齿承托区的情况,甚至估计骨组织对应力产生的反应。天牙颌状态牙列缺失给无牙颌病人造成咀嚼功能丧失,还可能破坏面部骨骼形态,影响软组织功能。无牙颌病例的义齿承托区有自己的特点,丧失牙周膜韧带是义齿支持质量方面的损失,而剩余牙槽嵴进行性、不可逆地严重吸收造成承托区体积的减少,则是义齿支持数
Diagnostic radiology has been widely used in the field of stomatology, and most patients undergo radiological examinations. Radiographic examination is essential and recommendable for the diagnosis and treatment of pre-restoration edentulous patients. Radiographic diagnosis is not only the only way to find hidden lesions under the crest of the tooth, but also to detect the edentulous jaw. It may also detect early hidden problems, understand the condition of the denture support, and even estimate the response of bone tissue to stress. Dentition jaw dentition loss to the edentulous patient caused by the loss of chewing, but also may damage facial bone morphology, affecting soft tissue function. Edentulous cases of denture bearing area has its own characteristics, loss of periodontal ligament is the quality of the denture support loss of quality, and the remaining alveolar ridge progressive, irreversible serious absorption caused by the reduction of the volume of the supporting area, the denture Number of support