den·tal /ˈdɛntḷ/
  (a.)牙齒的,牙科的齒音
  den·tal /ˈdɛntḷ/ 形容詞
  牙齒的,齒音的,牙科的
  den·tal a.
  1. Of or pertaining to the teeth or to dentistry; as, dental surgery.
  2. Phon. Formed by the aid of the teeth; -- said of certain articulations and the letters representing them; as, d and t are dental letters.
  Dental formula Zool., a brief notation used by zoologists to denote the number and kind of teeth of a mammal.
  Dental surgeon, a dentist.
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  Den·tal, n.
  1. An articulation or letter formed by the aid of the teeth.
  2. Zool. A marine mollusk of the genus Dentalium, with a curved conical shell resembling a tooth. See Dentalium.
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  dental
       adj 1: of or relating to the teeth; "dental floss"
       2: of or relating to dentistry; "dental student"