Bit of tooth decay (6)
I believe the answer is:
cavity
(Other definitions for cavity that I've seen before include "Empty space" , "Hole, crater" , "Hole, gap" , "Small hole as in tooth" , "A hole could mean work for the dentist" .)
I believe the answer is:
cavity
(Other definitions for cavity that I've seen before include "Empty space" , "Hole, crater" , "Hole, gap" , "Small hole as in tooth" , "A hole could mean work for the dentist" .)