Buddhist Master Chao Hui, a lecturer with the religion department at FuJen University, states that according to most versions of the Mahapari Nirvana Sutra, the Jade Emperor and the Holy Raksasa took away three teeth, leaving four more. In all, there are possibly seven teeth.
輔仁大學宗教系講師昭慧法師則根據各版本的《大般涅槃經》歸納指出，天帝與捷疾羅剎其實取走三顆佛牙，留下四顆，所以佛牙可能有七顆。