TY - RPRT TI - Three-dimensional visualization of a mandibular first molar with three distal roots using computer-aided rapid prototyping. AU - Seung-Jong Lee AU - Kyung-Ha Jang AU - Larz S W Spangberg AU - Euiseong Kim AU - Ii-Young Jung AU - Chang-Young Lee AU - Kee-Yeon Kum PY - 2005 DO - 10.1016/j.tripleo.2005.06.013 UR - https://pubmed.ncbi.nlm.nih.gov/16632282/ ID - 16632282 ER -