A 48-year-old man, dental phobic, wants minimal dentistry.  The tooth #29 has large periapical radiolucency, extending mesial (Fig.1 *) and a fistula, apparently associated with the tooth #28 (Fig.2 *). 

Leakage Last Next  Xin Wei, DDS, PhD, MS 1st edition 12/31/2019, last revision 01/01/2020