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A clinical observation on enamel demineralization following orthodontic treatment

LI Lanchao, WANG Congzhi Stomatological Hospital of Guangdong Province, Guangzhou 510280[WT5”HZ]  
Objective [WT5”BZ]To study the incidence of enamel demineralization and the most susceptible teeth and area to demineralization after orthodontic treatment with fixed appliance.[WT5”HZ]Methods [WT5”BZ]Eighty seven patients (2072 teeth) were included into the untreated group and compared with the treated group, which consisted of 100 patients (2156 teeth).[WT5”HZ]Results [WT5”BZ]The incidence of demineralization in the treated group was 16.23% (p 0.01 ). The most susceptible teeth to demineralization were maxillary incisors and mandibular first molar. The most susceptible area was dental cervix and that surrounding the bracket.[WT5”HZ]Conclusion [WT5”BZ]The results suggested that preventive programs should be considered to avoid demineralization during the orthodontic treatment with fixed appliance.[WT5”HZ]
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