ホワイトニング
1. whitening (esp. of teeth)
2. Tooth bleachingDental bleaching, also known as tooth whitening, is a common procedure in general dentistry but most especially in the field of cosmetic dentistry. A child's deciduous teeth are generally whiter than the adult teeth that follow. As a person ages the adult teeth often become darker due to changes in the mineral structure of the tooth, as the enamel becomes less porous. Teeth can also become stained by bacterial pigments, food-goods and tobacco.
Read “Tooth bleaching” on English Wikipedia
Read “ホワイトニング” on Japanese Wikipedia
Read “Tooth bleaching” on DBpedia
Read “Tooth bleaching” on English Wikipedia
Read “ホワイトニング” on Japanese Wikipedia
Read “Tooth bleaching” on DBpedia
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