Extraction turns out to be difficult because of nervousness and TMD of the patient and crowding.  The proximal areas of LR4 requires removal before luxation without traumatizing the neighboring teeth (Fig.4 insert black areas).  In fact there is no caries at LR5. 

Bracketing     Last     Next

Xin Wei, DDS, PhD, MS 1st edition 09/10/2020, last revision 09/10/2020