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ملفات تعريف الارتباط المستخدمة
牙髓組織為什麼會發炎？當齲病、磨損、創傷或醫源性等破壞了牙週邊硬組織的完整性時，牙本質甚至牙髓會暴露於口腔而引起牙髓感染。引發牙髓感染的主要途徑有被破壞的牙體組織，其餘途徑有牙周或血源性感染。
