将使用Piezo P3 tip(图三)松动牙根,可行?其实图三是G6,used for removal of calculus from a wide plane.  G:可能代表general use or general dentistry,而P牙周(图四)。P3特别细长,容易进入牙周膜,但愿在小功率的普通Piezo作用下,P3能切断牙周膜,午饭后尝试

P3     Last     Next Xin Wei, DDS, PhD, MS 1st edition 02/22/2021, last revision 02/23/2021