The lower right bridge (from canine (Fig.2: 3) to 1st molar (6)) fails while a 77-year-old man is undergoing chemotherapy for urinary bladder cancer. 

Fig.3: 4 months post extraction of the canine and the molar.  The bone height at the site of 3 appears to have been decreased.

*: periapical radiolucency at sites of the lower right central incisor and canine (3).

Narrow Ridge

Xin Wei, DDS, PhD, MS 1st edition 06/12/2015, last revision 01/19/2018