Sayyid Muhammad Rizvi, Sayyid Muhammad Rizvi went to the Hawza-e ‘Ilmiya-e Qum, Iran where he attended the dars-e kharij lectures of Ayatullah Wahid Khurãsãni. He also obtained an MA degree in History in 1991 from Simon... Answer imported 2 years ago

If dental products contain alcohol, then they become najis. If you can use it without swallowing it, then it could be permissible to use for its purpose; but if you feel that it is impossible not to swallow some of it, then it is haram for you to use it.