Miller, Danny K.2020-04-142020-04-1419791979(OCoLC)8885635b14399209https://hdl.handle.net/2144/40154Partly colored photographs included.Thesis (M.Sc.D.)--Boston University, Henry M. Goldman School of Graduate Dentistry (Endodontics), 1979.Bibliography: leaves 223-239 (v.2)en-USThis work is being made available in OpenBU by permission of its author, and is available for research purposes only. All rights are reserved to the author.Gutta-perchaThesis/Dissertation