作者: Walter E. Dilts , Raymond G. Luebke
DOI: 10.1016/S0022-3913(67)80054-4
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摘要: Abstract Three teeth with varying degrees of internal root resorption have been presented. In the first, there were: (1) no history accidental injury or restorations, (2) crown preparation and placement, (3) pulpal disturbance. second, caries third, injury, These suggest a possible relationship process to trauma high-speed instrumentation accompanying procedures placement.