upper left quadrant (of mouth)

up·per left quad·rant (of mouth)

(ULQ) (ŭpĕr left kwahdrănt mowth)
One of four areas in the oral cavity comprising (according to the numeration system of the American Dental Association) maxillary teeth 9 to 16.
Medical Dictionary for the Dental Professions © Farlex 2012
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