問題詳情

68.依據丁恩(Dean)所歸納之氟斑齒指數(fluorosis index-FI),若牙釉質上白色不透性之斑塊佔牙面之三分之一,則應屬於:
(A)正常
(B)非常輕微
(C)輕微
(D)中度

參考答案

答案:C
難度:適中0.56
統計:A(0),B(0),C(28),D(5),E(0)

用户評論

joe極白】評論

Criteria for Dean’s Classification System for Dental Fluorosis (1942)ClassificationNormalCode 0Criteria –The enamel represents the usual translucent semivitriform type of structure. The surface is smooth, glossy and usually of pale creamy white colour QuestionableCode 1Criteria – The enamel discloses slight aberrations from the translucency of normal enamel, ranging from a few white flecks to occasional white spots. This classification is utilised in those instances where a definite diagnosis is not warranted and a classification of ‘normal’ not justified Very Mild(10-25% of surface)Cod...