【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...