dentinogenesis

noun
den·​tino·​gen·​e·​sis | \ den-ˌtē-nə-ˈjen-ə-səs How to pronounce dentinogenesis (audio) \
plural dentinogeneses\ -​ˌsēz How to pronounce dentinogeneses (audio) \

Medical Definition of dentinogenesis

: the formation of dentin