Definitions
from The Century Dictionary.
- noun That cusp in the lower premolars and molars which is homologous with the protocone in the corresponding teeth of the upper jaw. See
protocone .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun dentistry One of the main
cusps , at the anterolabial side.
Etymologies
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Examples
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The lower molars are closely spaced, with a high anterior cusp (protoconid) and lower posterior cusp (hypoconid).
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