Dantine's chief merit is the work he did in chronology; he can, in reality, be called one of the founders of this branch of history, on account of the carefully elaborated plan he drew up for the great publication: "L'Art de vérifier les dates historiques, des chartes, des chroniques et autres monuments, depuis la naissance de J.-C.".
Due to illness, he was unable to continue his labours and was obliged to leave their completion to other members of his order, his chief successor being Charles Clémencet.
He also devoted himself to linguistic studies and as a result of these published a translation with commentary of the Psalms under the title: "Les psaumes traduits sur l'hébreu avec des notes" (Paris, 1739).
In collaboration with Pierre Carpentier he prepared a new edition of the great lexicon originally published in 1678 by Du Cange, and afterwards continued by the Maurists, its first Benedictine editor being Claude Guesnié, who was followed by Nicolas Toustain and Louis Le Pelletier.
The edition of Dantine and Carpentier, half as large again as that of Du Cange, appeared in six volumes at Paris, 1733–36, under the title: "Glossarium ad scriptores mediæ et infimæ latinitatis, editio locupletior operâ et studio monachorum O.S.B."