den·ti·tion 
(dĕn-tĭshən)
(dĕn-tĭshən)n.
1. The type, number, and arrangement of a set of teeth.
2. The process of growing new teeth; teething.
[Latin dentītiō, dentītiōn-, from dentītus, past participle of dentīre, to teethe, from dēns, dent-, tooth; see DENTIST.]