Dr. Lisa M. BoschScope of PracticeOpinion: How OPAs will work with and not replace dental hygienistsDr. Lisa Bosch hopes that dental hygienists see the oral preventive assistant (OPA) role as a valuable complement to their work rather than as competition.May 13, 2025Page 1 of 1Top StoriesLegal IssuesEx-orthodontist to plead guilty to exploiting minorsA former orthodontist who closed his practices after he was arrested has agreed to plead guilty to U.S. child exploitation charges.WellnessMore U.S. dentists than ever are killing themselvesSmile DesignDr. Tom Giacobbi dishes on Kuraray Noritake Katana Zirconia OneOrthodonticsThe day I drilled a tongue and what I use nowLegal IssuesTrial for dentist accused of covering up murder may be delayed