冷光美白技术与夜间活髓牙脱色技术协同漂白四环素牙的临床研究
랭광미백기술여야간활수아탈색기술협동표백사배소아적림상연구
Clinical survey of a combined in-office cold Hght bleaching and ulghtguard vital bleaching system for tetracycline stained teeth
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