Dental Diagnosis by High Frequency Ultrasound
Caries is a progressive disease, which destroys teeth by demineralization of the dental hard tissues. Due to anatomic and technical circumstances, the diagnosis of caries is difficult. It is done by visual inspection or radiography. Different studies have clearly demonstrated that the sensitivity and specificity of these diagnostic methods are not satisfying (Espelid and Tveit, 1991; Lussi, 1991; Peers et al., 1993). Many carious lesions remain undetected or are diagnosed only after substantial destruction has already occured. From a clinical point of view, early diagnosis is very important because non- or minimal-invasive treatment becomes possible (Backer Dirks, 1966).
KeywordsCarious Lesion Dental Hard Tissue Secondary Caries Amalgam Filling High Frequency Ultrasound
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