This article aims to discuss the clinical features, radiological assessment, histopathology and management of a variety of odontogenic cysts. Lesions have a propensity to grow along the internal aspect of the jaws, and clinically observable expansion. Hyperchromatic, cuboidal or columnar basal cell layer 3. Radiology of cysts of the jaws columbia university. Botryoid odontogenic cyst boc, as reported by weathers and waldron, is a polycystic variant of the lateral periodontal cyst because the specimen resembled a cluster of grapes. Odontogenic cyst and non odontogenic cyst epithelium. The pathogenesis of the three common forrns of odontogenic cyst is discussed. No recurrence was observed during 57month followup.
Prevalence and distribution of odontogenic and nonodontogenic. Advances in assessing the volume of odontogenic cysts and tumors in the mandible. Epidemiologic study of odontogenic and nonodontogenic cysts in. Cystic jaw lesions may be epithelial or nonepithelial, odontogenic or nonodontogenic, developmental, or inflammatory in origin. It can occur anywhere in the jaws, but is commonly seen in the posterior part of the mandible. Because the lesion sometimes appears as a solid noncystic lesion, referred to as odontogenic ghost cell tumor, it is no longer classified as one of the odontogenic cysts.
Pattern of odontogenic and nonodontogenic cysts request pdf. Odontogenic and non odontogenic cysts 2 of 3 youtube. Eighty percent occur in the mandible, particularly. Correct diagnosis and treatment should include a careful assessment of clinical, radiological and histopathological. Multilocalcalcifying epithelial odontogenic tumor 17080 int j clin exp med 2016. Odontogenic cysts oc are the most frequent lesions of the jaws and their constant epidemiological update is. Odontogenic cysts, nonodontogenic cysts j craniofac surg 2011. Odontogenic cysts, tumors, and related jaw lesions. Thin nonkeratinising squamous epithelium like dentigerous cyst. Prevalence and distribution of odontogenic and nonodontogenic cysts in a turkish population. Oralsurgery 548 dentalupdate julyaugust 2015 odontogenic cysts an overview abstract. Examining frequency data of the most common odontogenic cysts and tumors. Radicular cyst is the most common up to two thirds of all cysts of the jaws. It is a noninflammatory odontogenic cyst which has striking predilection for.
In which parts of the incisive canal does this cyst form and where is it most frequent. Odontogenic and nonodontogenic cysts chapter 7 pediatric. The prevalence of odontogenic and nonodontogenic cysts was. Request pdf pattern of odontogenic and nonodontogenic cysts the jaws are host to a variety of cysts due in large part to the tissues involved in tooth.
Nasopalatine duct cyst cyst of the incisal canal incisive papilla cyst is a nonodontogenic developmental cyst located in the incisive canal or in the anterior palatine papilla and develops from the embryonic ducts of scarpa and stenson. Multiple multilocular dentigerous cysts with intraosseous. Non odontogenic jaw cysts are cysts arising from epithelial remnants of embryonic ducts left behind after embryonal facial and jaw development. Performing routine radiograph is of high clinical value, especially before orthodontic treatment. The dentigerous cyst with extraosseous tooth displacement is a rare presentation for one of the most common odontogenic developmental cysts. Radicular cysts are the most common odontogenic jaw cysts approx. Left maxillary cystic lesion associated with the crown of the unerupted molar tooth 28 in keeping with an odontogenic keratocyst given the bony expansion. Define nasopalatine duct cyst incisive canal cyst a developmental cyst thought to arise from remnants of the nasopalatine canal of the embryo.
Odontogenic and nonodontogenic tumors of the jaws are a relatively rare and heterogeneous group of benign and malignant neoplasms, hamartomas, and other bonerelated lesions that demonstrate great variability in etiology, biologic behavior, and clinical significance. Odontogenic cyst are a group of jaw cysts that are formed from tissues involved in odontogenesis tooth development. In general, epithelium within an intraosseous, gnathic location may have a broad differential diagnosis depending on the amount of epithelium present for evaluation, type of epithelium, anatomic location of lesion in gnathic bones, radiographic appearance, clinical scenario and patient demographics. Odontogenic cyst and non odontogenic cyst free download as powerpoint presentation. The odontogenic keratocyst is known for its aggressiveness, high recurrence rate and transformation of keratinized epithelia to nonkeratinized squamous epithelium for which. Calcifying odontogenic cyst calcifying ghost cell odontogenic cyst, calcifying cystic odontogenic tumor about 1% of cysts. Odontogenic cysts are closed sacs, and have a distinct membrane derived from rests of odontogenic epithelium. The developmental lateral periodontal cyst is included as a distinctive new type. It also highlights the reclassification of odontogenic keratocysts to keratocystic odontogenic tumours. The odontogenic keratocyst okc is a relatively common developmental odontogenic cyst arising from the dental lamina remnants. In the 2nd edition4 two nonodontogenic cysts nasopalatine duct cyst and nasolabial cyst were included, but only the nasopalatine duct cyst is. The nasoalveolar cyst, also called nasolabial cyst or klestadts cyst, is the rarest type of nonodontogenic fissural cysts. Dentists should be aware of the multiple odontogenic cysts that can present in the oral cavity and be able to formulate appropriate management plans. Ruptures spontaneously, or excision of the cyst roof, which allows eruption of the tooth.
Although pain of dental origin is the most common orofacial pain, other nonodontogenic pains can affect the orofacial region and occasionally mimic dental pain. Extramedullary plasmacytomas arise outside of bone, are typically mucocutaneous in location and occur most commonly in the mouth, on the feet or trunk and in the ears. Advances in assessing the volume of odontogenic cysts and tumors in. Osteosarcomas occur more commonly in the appendicular than axial skeleton. This inflammatory cyst originated from a reaction to dental pulp necrosis dentigerous cyst, the second most prevalent cyst, is associated with the crown of. Calcifying epithelial odontogenic tumor of the maxilla.
Histopathological subtypes, nonodontogenic cyst, odontogenic. The calcifying odontogenic cyst coc is an uncommon odontogenic lesion with a somewhat wide spectrum of histologic features. The cysts are male predominant and occur 10 to 15 years earlier compared with those in the white population. Odontogenic cyst are a group of jaw cysts that are formed from tissues involved in. Morgan odontogenic tumors comprise a range of disorders of growth, from malignant and benign. Calcifying odontogenic cyst of the mandible associated with an impacted canine and exhibiting mural calcifications arrows. Non odontogenic cysts of the jaws, soft tissue cysts of the head and. The cyst histology is exactly the same as the lateral periodontasl cyst see above, except that its in the gingiva and not in bone. Odontogenic cysts have histologic origins in the cells of the dental structures. The aim of this study was to determine the age, gender, and sites of different types of odontogenic cysts ocs and nonocs nocs seen in eastern anatolian population in turkey. Advances in assessing the volume of odontogenic cysts and.
Nasoalveolar cysts are nonodontogenic softtissue lesions of the nasoalar region, which is the lateral to anterior area between the upper lip. Chapter 21 odontogenic and nonodontogenic tumors of the jaws introduction. Data were retrieved from clinical files, imaging, and histopathology. The most important lesson from 83,000 brain scans daniel amen tedxorangecoast duration. Association with an impacted third molar is the most common finding for a dentigerous cyst but actual displacement of a tooth into the soft tissue has never been reported. The glandular odontogenic cyst the glandular odontogenic cyst is a unique lesion. Our finding that dentigerous cyst is the second most frequent odontogenic cyst after radicular cyst is in agreement with most other reports table 4.
Glandular odontogenic cyst not all expert agree that this is a variant of the lateral periodontal cyst, especially because of its. Given the potential difference in therapeutic approach, accurate differentiation from nonodontogenic cystic lesions table 2 or other pathologic. Has many features of odontogenic tumor, therefore it is placed in the category of tumors in the latest who classification of odontogenic cysts and tumors. Prevalence and distribution of odontogenic cysts in a. Due to their aetiological origin, radicular cysts are always associated with the root of a nonvital.
Odontogenic cyst is a cyst in which lining of lumen is derived from epthelium produced during tooth development non odontogenic cyst a cyst that arise from epithelial inlusion or entrapments in the lines of closure of developing facial process during embryonic period of life 4. Also called as odontogenic ghost cell cyst or gorlin cyst. Histochemical study k phull 1, r metgud, s patel1 abstract introduction. Nonodontogenic jaw cysts are cysts arising from epithelial remnants of embryonic ducts left behind after embryonal facial and jaw development. Prevalence and distribution of odontogenic and nonodontogenic cysts in a turkish population article pdf available in medicina oral, patologia oral y cirugia bucal 171. Computeraided measurements of cyst volumes are noninvasive and can be performed whenever needed. Introduction a cyst is an epithelium lined sac containing fluid or semifluid material the epithelial cells first proliferate and later undergo degeneration and liquefaction grow by expansion, causing displacement of adjacent teeth. The following data were collected from the clinical records and histopathology reports of the department of oral and maxillofacial surgery and the department. Odontogenic keratocyst of the posterior maxilla report of. Radicular cyst associated with the roots of nonvital teeth, also known as periapical cyst.
Cystic lesions of the jaws a clinicopathological study of 322. Examples of nonodontogenic cysts include the nasopalatine duct cyst, nasolabial duct cyst, the median palatal cyst and the epidermoid cyst. Differential diagnosis of dentigerous cystlike lesions. Some are inflammatory while others are developmental. Cysts and odontogenic neoplasms 162 apical cyst periapical cyst radicular cyst, root end cyst epithelial lined jaw cyst found as radiolucencies at the end of roots of nonvital teeth. Odontogenic and non odontogenic cysts flashcards quizlet. Associated with an erupted but nonviable tooth, it is probably at the apex periapical granuloma no epithelial lining. The alveolar cyst of infants is categorised separately from the gingival cyst of adults. Noninvasive implant placement subsequent to a large. The glandular odontogenic cyst goc is a rare lesion, accounting for just 0. Dentigerous cysts are the most common developmental odontogenic cysts. Review article a rare case of multilocalcalcifying. Pdf prevalence and distribution of odontogenic and. Intrabony cysts are most common in the jaws, because the mandible and maxilla are the only bones with.
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