Different Types of Cysts: Endodontic Versus Surgical Treatment_ Crimson Publishers

 Different Types of Cysts: Endodontic Versus Surgical Treatment by Lakhdar F* in Examines in Physical Medicine & Rehabilitation_ Journal of Rehabilitation Medicine

 

Introduction

The periapical cyst is an inflammatory cyst which results because of extension of infection from pulp into the surrounding periapical tissues. As well as we know the etiology can be caries, irritating effects of restorative materials, trauma, pulp death due to development defects. The cyst is usually discovered when periapical radiographs of tooth with nonvital pulp are taken, because it is asymptomatic and presents acute pain diagnosis is confirmatory only with biopsy of these lesions [1]. We usually meet it mainly highest in anterior maxilla or in mandibular posterior teeth, separate small cysts arise from each apex of multirooted teeth. In terms of signs and symptoms: slowly enlarging swelling attains a large size; as the cyst enlarges in size, the covering bone becomes thin and exhibits springiness due to fluctuation. At the level of the affected tooth we will observe that it is nonvital, discolored, fractured or shows failed root canal. We have two types of periapical cysts: one is cyst formation in periapical area which involves epithelial lining has no communication with root canal. The other named pocket or bay cyst which means epithelial lined cystic cavity is in communication with the root canal system. According to the World Health Organization (WHO), an apical cyst (pocket or true) is classified as an inflammatory and not a neoplastic lesion. The incidence of cysts within periapical lesions varies between 6 and 55% [1]. From a radiological point of view periapical cyst appears as round, pear or ovoid-shaped radiolucency, outlined by narrow radiopaque margin. For treatment we have five different methods: endodontic treatment, apicoectomy, extraction (severe bone loss), enucleation with primary closure, marsupialization (in case of large cysts)

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