Wijayanthy I, Sidiqa AN. Traumatic Ulcer in a Patient with Class I Malocclusion of Angle Type 1: A Case Report. eG [Internet]. 2022 Jun. 30 [cited 2024 Nov. 22];10(2):204-7. Available from: https://ejournal.unsrat.ac.id/v3/index.php/egigi/article/view/40506