Fig.8: M1: first molar crown (implant-supported) on the top.  Red lines indicate that the back of the second molar on the top (M2) is behind that of bottom one. This is normal, as compared to the right side (Fig.7).  Last, Next or Return to main article P

Xin Wei, DDS, PhD, MS 1st edition 04/24/2013, last revision 07/09/2020