The lesions most commonly found at the apices of non-vital teeth are the periapical granuloma and radicular cyst. The treatment and prognosis may differ according to the lesion present. Previous studies to determine the diagnostic features and incidence of these lesions have failed to reach a consensus view. A study of over 1000 endodontic surgery procedures was therefore carried out. Of 1108 l...

D entists are repeatedly confronted with the problem of diagnosing and treating periapical lesions. Ordinarily, a nonsurgical cndodontic approach is used in treating lesions that are thnnght to be periapicul granulomas, whereas surgical therapy often is used if the lesion is believed to bc cyst,ic. Thus, choice of treatment usually depends on the clinical assessment of the lesion. Accurate difl...

Biopsy reports from 150 periradicular tissue specimens obtained from teeth refractory to nonsurgical endodontic therapy were reviewed. The specimens were submitted by postdoctoral dental students in the Department of Endodontics, and the biopsy reports were prepared by oral pathologists at the University of Texas Health Science Center at San Antonio. The study found that 59.3% of the periradicu...

9 The cel lular compos i t i on of 33 solid and cystic periapical g r an u lo m as was quant i t a ted by a differential m o r p h o m e t r i c technique . Macrophages were the p r e d o m i n a n t i n f l ammato ry cell, fo l lowed in descending numer ica l o rde r by lymphocy te s , p lasma ceils, and neutrophi ls . I n f l ammato ry cells compr i sed sl ightly more than half the fo rmed e ...

INTRODUCTION Cholesterol clefts are common histologic findings in periapical biopsies; they have a reported incidence in periapical periodontitis of up to 44%. Cholesterol crystals are also recognized in advanced atherosclerotic plaques in humans. Male sex, genetic abnormalities, and age have been associated with advanced atherosclerotic lesions. Among these nonmodifiable risk factors, age is t...

AIM To present the clinicopathological features of a series of four periapically located central giant cell granulomas (CGCGs) that were misdiagnosed and treated as being of endodontic origin. SUMMARY Four cases of periapical CGCGs were submitted with a clinical diagnosis of either radicular or residual cyst. In two cases, root canal treatment had been performed previously. The patients were ...

Odontogenic cysts are pathological cavities enclosed by fibrous connective tissue and lined with epithelial that develops from odontogenic tissues in the maxilla mandible's tooth-bearing regions. Trauma or tooth caries is main cause of radicular periapical cysts. Pulp necrosis outcome dental irritating pulp cavity. Once infection has reached root's tip, it causes periodontitis, which may lead t...