T B, S K, M S, Z A. Protecting teeth and gums during rigid endoscopy of the upper aerodigestive tract: Our experience with a disposable, mouldable and rigid thermoplastic mouthguard. Heighpubs Otolaryngol Rhinol [Internet]. 2020 Aug. 11 [cited 2026 Jan. 13];4(1):018-20. Available from: https://www.otolaryngrhinojournal.com/index.php/hor/article/view/hor-aid1021