García Celia Carrillo, Sempere Francisco Vera, Diago Miguel Peñarrocha, Bowen Eva Martí
Valencia University Medical and Dental School, Valencia, Spain.
Med Oral Patol Oral Cir Bucal. 2007 Dec 1;12(8):E585-90.
Apical periodontitis is produced in the majority of cases by intraradicular infection. Treatment consists in the elimination of the infectious agents by endodontia. Even when carrying out a correct cleansing and filling of canals, it is possible that periapical periodontitis will persist in the form of an asymptomatic radiolucency, giving rise to the post-endodontic periapical lesion. The chronic inflammatory periapical lesion is the most common pathology found in relation to alveolar bone of the jaw. From the histological point of view, it can be classified as chronic periapical periodontitis (periapical granuloma), radicular cyst, and as scar tissue. The most frequent is the periapical granuloma, constituted by a mass of chronic inflammatory tissue, in which isolated nests of epithelium can be found. The radicular cyst is characterized by the presence of a cavity, partially or wholly lined by epithelium. Scar tissue is a reparative response by the body, producing fibrous connective tissue. The aim of this study is to review and update the etiopathogenic and histological aspects of chronic post-endodontic periapical lesions.
大多数情况下，根尖周炎是由根管内感染引起的。治疗方法是通过牙髓病治疗消除感染源。即使对根管进行了正确的清理和充填，根尖周炎仍有可能以无症状性透射区的形式持续存在，从而导致根管治疗后的根尖周病变。慢性炎性根尖周病变是与颌骨牙槽骨相关的最常见病理情况。从组织学角度来看，它可分为慢性根尖周炎（根尖肉芽肿）、根囊肿和瘢痕组织。最常见的是根尖肉芽肿，由一团慢性炎性组织构成，其中可发现孤立的上皮巢。根囊肿的特征是存在一个腔，部分或全部由上皮衬里。瘢痕组织是机体的一种修复反应，产生纤维结缔组织。本研究的目的是回顾和更新慢性根管治疗后根尖周病变的病因病理和组织学方面的内容。
