Fig.3 Before an implant can be placed for the missing molar, the space should be restored by pushing the 2nd molar (M2) backward.  Three teeth in front of the missing molar gets braces (pink boxes).  These three teeth act together as an anchorage to push the 2nd molar backward using spring (green coil) between them.  A thicker wire is used to connect these four braces (yellow).  Previous, Next or return to main article P

Xin Wei, DDS, PhD, MS 1st edition 05/23/2012, last revision 07/09/2020