<unk> al calcifications can be developed throughout the life and prevalence rates from 8–9% in worldwide population had been reported in studies. It was also found that<unk> al stones occurred most frequently over the fourth decade, in advancing age. Generally,<unk> s are more frequent to be found in maxillary teeth compared to mandibular teeth. A study in Australia resulted higher occurrences of<unk> s in molars as opposed to premolars, and first molars as opposed to second molars. First molars which were restored and/or with caries showed a higher incidence of<unk> s as compared to intact, unrestored first molars.
Pulp stone
Goa stone
Reading stone
Phlebolith
Gallstone
Sialolithiasis
Rhinolith
Dilaceration