Jisho

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下顎第二大臼歯
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Wikipedia definition
1. Mandibular second molar​The mandibular second molar is the tooth located distally (away from the midline of the face) from both the mandibular first molars of the mouth but mesial (toward the midline of the face) from both mandibular third molars. This is true only in permanent teeth. In deciduous (baby) teeth, the mandibular second molar is the last tooth in the mouth and does not have a third molar behind it.
Read “Mandibular second molar” on English Wikipedia
Read “下顎第二大臼歯” on Japanese Wikipedia
Read “Mandibular second molar” on DBpedia

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