Dental

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late 16th century: from late Latin dentalis, from Latin dens, dent- ‘tooth’.

wiktionary

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Borrowed from Middle French dental or Late Latin dentālis, from dēns(“a tooth”) +‎ -ālis(“-al”, adjectival suffix).

etymonline

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dental (adj.)

1590s, "of or pertaining to teeth," from French dental "of teeth" or Medieval Latin dentalis, from Latin dens (genitive dentis) "tooth" (from PIE root *dent- "tooth"). As "connected with or used in dentistry," 1826. In grammar, "formed or pronounced at or near the front upper teeth, with the tip or front of the tongue," 1590s. As a noun, "sound formed by placing the end of the tongue against or near the upper teeth," 1794. Related: Dentally; dentality.