García Font M, Duran-Sindreu F, Morello Castro S, Mercade Bellido
M, Bueno Martínez R, Roig Cayón M. Failure of ProTaper rotary Ni-Ti instruments used byundergraduate students.
J Clin Exp Dent.
2012;4(4):e199-203.
doi:10.4317/jced.50735
http://dx.doi.org/doi:10.4317/jced.50735
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