Dentist said my nerves/roots were small,they didnt have posts that fit,all I no is she used the post and kept pushing it in and out and in circles to get it to fit,she did it so much she even said her hand was sore,then I statrted bleeding,after this was under control,she finished the
root canal and said i needed a crown to finish the
root canal,,had enough freezing to last about 6 hrs she said,wore off just before she finished,OUCH,,she said no point in giving more to numb for 5 min work,,now i