I do not know of any basis for doing that, rather the deceased should be washed with wudooâ then ghusl. If the miswaak is used when rinsing out his mouth there is nothing wrong with that, as in the case of the living.
Kitaab Majmooâ Fataawa wa Maqaalaat Mutanawwiâah li Samaahat al-Shaykh ibn Baazâ vol 13, p. 115.


