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.
NF VS UNF Threads. The NF designation stands for National Fine and UNF stands for Unified Fine. The National designation is from the old United States Standard which was replaced by the American National Standard for Unified Threads in 1949. This 'new' standard unified the UK, Canada and the US standards.