Answer:

gifthorse

AnswerCrossword Clue
GIFTHORSEWhat the Greeks left at Troy, apparently
GIFTHORSEPresent of dubious dentistry.
GIFTHORSE"Look a ... in the mouth."
GIFTHORSEA present, in a common proverb.
GIFTHORSEAnimal in an adage.
GIFTHORSEIt's never a dental patient?
GIFTHORSEThe Trojans' undoing?
GIFTHORSEWhat you shouldn't look in the mouth?
GIFTHORSEOne you shouldn't look in the mouth
GIFTHORSEThe Trojans lacked the FORESIGHT to turn this down