Dr Varun Goyal, Dr Deepankar Bhatnagar, Dr Vikas Thakur, Dr Priyanka Pathak, Dr Akshita Singh, Dr Divya Logia, and Dr Bhumika Gupta. “Optical Properties of Clear Aligner Materials: A Systematic Review”. The Bioscan 21, no. 4 (October 9, 2026): 169–185. Accessed October 9, 2026. https://www.thebioscan.com/index.php/pub/article/view/6694.