STATEMENT OF THE PROBLEM Odontogenic keratocyst (OKC) is a developmental odontogenic cyst with specific histopathological features, high recurrence rate, and aggressive clinical behavior. Angiogenesis might be considered as an important factor for the growth, expansion, and distribution of this lesion. PURPOSE The aim of the present study was to determine the mean vascular densities (MVD) of ...

The expression of cell adhesion molecule CD44s was analyzed immunohistochemically in 20 odontogenic lesions. CD44s was detected in almost all the cells on the cell membrane in basal and parabasal cells of the odontogenic cystic lining of the dentigerous cysts and the radicular cysts sparing the superficial layer of the cystic lining. CD44s was expressed on the cell membrane of the peripheral co...

conclusions the authors recommended to have paraclinical tests, especially vitality tests, in addition to clinical and radiographic examinations to avoid endodontic mistreatment. in suspicious cases, biopsy of lesions, referral to pathologist, and long-term fallow-up is required. context the essential role of a general dental practitioner is recognizing the nature of the oral cavity lesions. pe...

The cysts that originate in the remnants of dental lamina or enamel organ are known as odontogenic cysts. They are of great interest to otolaryngologists due to their proximity to the maxillary sinus and adjacent areas.1 Radicular cysts represent 72.5% of all odontogenic cysts, followed by dentigerous cysts (DC) (22.2%), and residual cysts (RC) (4.26%).2 The options for treatment of cystic lesi...

OBJECTIVES The purpose of this study was to determine the clinical and demographic characteristics of oral non-odontogenic cysts (ONOC) in a Brazilian population over a 53-year period and to compare this data with the literature. STUDY DESIGN A total of 20.391 biopsies records were evaluated, from April/1959 to August/2012. Cases of oral developmental cysts were selected. Data regarding age, ...

Odontogenic cyst is a common lesion that can happen after inflammation of the dental pulp. The therapeutic approach of these cysts is made at dentist's offices, and depending on their extension, they may develop oroantral fistula and chronic sinusitis. The objective of this study is to propose the videoendoscopic treatment of the odontogenic cyst with expression in the maxillary sinus. We made ...

OBJECTIVES Some ameloblastomas presumably originate from odontogenic epithelium within the connective tissue of dental follicles and dentigerous cysts. Therefore, it would seem reasonable to discuss as whether odontogenic epithelium proliferations, frankly displaying ameloblastomatous features ("focal ameloblastoma"), should be considered as an "early" ameloblastoma. STUDY DESIGN Histopatholo...

PURPOSE Odontogenic cysts are classified into a developmental group, including follicular cysts (FC) and keratocysts, and an inflammatory group including radicular cysts (RC). In clinical cases, we frequently encounter RC and FC. The purpose of this study was to investigate the cytobiological differences between two odontogenic cyst-lining keratinocytes using a cytobiological approach from the ...

Although rare, hard tissue deposits, namely dystrophic calcifications and cartilage, have been reported to occur in the connective tissue wall of the odontogenic keratocyst. However, dentinoid formation has not been previously documented. A case involving the left mandibular premolar-molar region in a 37-year-old Malay male is described here along with a brief review on the reported prevalence ...

BACKGROUND Although numerous investigators have studied the pattern of keratin expression in different odontogenic cysts, the results have been variable. AIM The present study was conducted to determine the pattern of expression of cytokeratin 19 (CK 19) in the epithelial lining of odontogenic keratocysts and dentigerous cysts. MATERIALS AND METHODS The epithelial layers showing expression ...