odontology
Concise Oxford English Dictionary © 2008 Oxford University Press:
odontology /ˌɒdɒnˈtɒlədʒi, ˌəʊdɒn-/
▶noun the scientific study of the structure and diseases of teeth.
– derivatives
odontological adjective,
odontologist noun.
odontological adjective,
odontologist noun.
'odontology' also found in these Oxford entries:

