Although many studies have looked at the mesiobuccal root of maxillary molars, the palatal root has not received as much attention, and in particular, no study has looked specifically at palatal root anatomy in regard to accurately determining working length for canal instrumentation and obturation.
UNCF redirects here. It is not to be confused with UNICEF. The United Negro College Fund, or UNCF, is an American philanthropic organization that funds scholarships for black students and general scholarship funds for 39 private historically black colleges and universities.
Thread Standards and Definitions United States, Canada, and United Kingdom use the Unified of Unified Inch profile, in accordance with the Unified and American Screw Threads â ASA B1.1-1989. UNC â Unified National Coarse UNF â Unified National Fine UNEF â Unified National Extra Fine UNS â Unified National Special