[How to prevent tooth root fractures--anterior teeth].
D003481:Cuspid / Q000293:injuries; D006801:Humans; D007180:Incisor / Q000293:injuries*; D012390:Root Canal Therapy / Q000295:instrumentation / Q000379:methods*; D014082:Tooth Fractures / Q000517:prevention & control*; D014092:Tooth Root / Q000033:anatomy & histology / Q000293:injuries*