Saffarpour, Mahshid, Sajjad Gerami, Nastaran Parviz, and Nasim Chiniforush. “Evaluating the Effectiveness of Two Wavelengths of 810 and 980 Nm Diode Laser With Two Different Beam Profiles on Tooth Discoloration in Bleaching: An Experimental Study”. Laser Therapy 31, no. 1 (May 20, 2024). Accessed September 19, 2024. https://www.lasertherapyjournal.com/ltj/article/view/387.