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谢小姐，3年前因外伤，导致门牙缺损，现因变色不美观，前来就诊 ①治疗前（Beforetreatment）▼ ②咬牙合照（Bitetheteeth）▼ 可见左上中切牙缺损和变色（Defectsanddiscolorationoftheleftuppercentralincisorcanbeseen）▼ 变色中切牙、唇向移位（Labialshiftofincisorsandteethindiscoloration）▼ ③CB-CT显示左上中切牙根尖1/3吸收、暗影唇侧骨板完成（CB-CTshowedthat1/3oftherootapexoftheleftmiddleincisorwasabsorbedandtheshadowlabialboneplatewas
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