Windsor police say more alleged victims have stepped forward since the initial report of a sexual assault at a denture clinic.
Authorities began their investigation after responding to a call a week ago.
Concerned there were additional victims, they released the information on Wednesday.
Since then several more adult females have reported they too had been assaulted by the same individual.
The incidents are alleged to have occurred at a denture clinic in the 4700 of Tecumseh Road East, dating as far back as 2013.
Mario Mouamer, 40, is now charged with eight additional counts of sexual assault.