Did Dante's Divine Comedy describe or define Christian views on the afterlife?

Dante's Divine Comedy , the 14th century epic poem describing a journey through the various levels of Hell, Purgatory and Heaven and the persons or types of persons who inhabit each level (including some of Dante's living contemporaries). How much of Dante's description describes explicit Church doctrine as of his era, and to what extent, if any, did Dante influence Christian theology going forward?