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下顎第二小臼歯
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Wikipedia definition
1. Mandibular second premolar​The mandibular second premolar is the tooth located distally (away from the midline of the face) from both the mandibular first premolars of the mouth but mesial (toward the midline of the face) from both mandibular first molars. The function of this premolar is assist the mandibular first molar during mastication, commonly known as chewing. Mandibular second premolars have three cusps. There is one large cusp on the buccal side (closest to the cheek) of the tooth.
Read “Mandibular second premolar” on English Wikipedia
Read “下顎第二小臼歯” on Japanese Wikipedia
Read “Mandibular second premolar” on DBpedia

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