Photobiomodulation therapy and 3% potassium nitrate gel as treatment of cervical dentin hypersensitivity: a randomized clinical trial - Tolentino, Andrea Barros; Zeola, Lívia Favaro; Fernandes, Marcella Ueda; Pannuti, Claudio Mendes; Soares, Paulo Vinícius; Aranha, Ana Cecilia Corrêa (Clinical Oral Investigations, 2022)