It occurs on the lateral periodontal region of a vital tooth and has specific histologic features. Doctor answers on symptoms, diagnosis, treatment, and more. A focal osteoporotic bone marrow defect is usually from poor healing in the elderly and has radiolucencies where hematopoiesis is normally seen angle of mand. A periodontal abscess forms when pus collects in the connective tissue wall of a pocket. An acute lateral periodontal abscess associated with a lateral periodontal cyst can be differentiated from an acute abscess of pulpal origin by the type of exudate. Most are harmless, but they should be removed when possible because they occasionally may change into malignant growths, become infected, or obstruct a gland. Odontogenic cysts are those which arise from the epithelium associated with the development of teeth.
It is found mostly in adults and has no sex predilection. The botryoid odontogenic cyst boc is a polycystic variant of the lateral periodontal cyst. Nov 22, 2009 the lateral periodontal cyst arises from some of tissue remnants of periodontal ligament. Lateral periodontal cyst lpc is an unusual cyst of odontogenic origin, most frequently found in the mandible between the roots of canines and premolars and. Periodontal cyst article about periodontal cyst by the free. Lateral periodontal cyst article about lateral periodontal. Cysts of development are of unknown origin, but do not.
The lateral periodontal cyst is considered a developmental odontogenic cyst with unusual occurrence. Lateral periodontal cyst lpc is an uncommon type of odontogenic cyst of development. Several additional theories had been proposed regarding the origin of lateral periodontal cysts, including the possibility that the lesions may arise as a result of. The lateral periodontal cyst arises from some of tissue remnants of periodontal ligament. In most cases it is preliminary diagnosed as a radiographic finding, presenting as well circumscribed or as a round or teardropshaped radiolucent area. Prolonged apical periodontal inflammation results in a locally destructive environment caused by localized immune cells, and tooth loss occurs as a consequence. Facts you should know about lateral periodontal cyst. It arises initially as lateral dentigerous cyst in which the tooth manage to erupt and lie finally on the lateral aspect of the root.
Radiology of cysts of the jaws columbia university. Microscopic features of the lateral periodontal cyst. Pdf lateral periodontal cyst treated with enucleation and. On a radiograph, the radiolucency of a cyst is usually bordered by a radiopaque periphery of dense sclerotic bone. The radiolucency may be unilocular or multilocular. It is a developmental odontogenic epithelialized cyst, which occurs on the lateral aspect or between the roots of vital teeth. Lateral periodontal cyst lpc is an uncommon developmental odontogenic. Periradicular lesions of pulpal origin a, periradicular cemental dysplasia osteofibrosis, initial stage. A lateral periodontal cyst in association with a follicular cyst british. The term periapical abscess is applied when a periapical granuloma or cyst becomes reinfected and microbes once again travel from the necrotic pulp and out of the apical foramen. The lateral periodontal cyst is of developmental odontogenic origin and must be differentiated from the gingival cyst of adults, a primordial cyst in a lateral periodontal position, and a cyst of inflammatory origin. In the past, the term lateral periodontal cyst was used to describe any cyst that developed along the lateral root surface, including lateral radicular cysts and odontogenic keratocysts. A distinct odontogenic cyst of developmental origin, the lateral periodontal cyst has characteristic.
By definition, a radicular cyst arises from epithelial rests of malassez located in the pdl as a result of inflammation. The lateral periodontal cyst, as the name implies, occurs on a lateral periodontal location and is of developmental origin, arising from cystic degeneration of clear cells of the dental lamina. Periodontal cysts and epulides, periodontology 2000 10. Binnie h a cyst is defined as a pathological epithelial lined developmental primordial cyst odontogenic keratocyst gingival cyst of infants gingival cyst of adults lateral periodontal cyst glandular odontogenic cyst dentigerous. It may arise initially as a dentigerous cyst developing by expansion of the follicle along the lateral surface of the crown which eventually comes to lie on the lateral aspect of the root if tooth eruption is normal. Periodontal cyst definition of periodontal cyst by medical. Lateral periodontal cyst lpc has been pathogenetically linked to the gingival cyst of the adult the former is believed to arise from dental lamina remnants within bone and the latter from dental lamina remnants in soft tissue between the oral epithelium and the periosteum rests of serres. The most common cyst of the oral cavity is due to the loss of the biological barrier the pulp of the tooth that follows from carious lesions or dental trauma 6,14 with pulp necrosis and derives from the cellular remnants of the malassez. Lateral periodontal cyst, developmental in origin, typically is observed in the cuspidbicuspid region of the mandible and less frequently in the maxilla. Lateral periodontal cyst treated with enucleation and guided. The lateral periodontal cyst lpc is an unusual cyst of odontogenic origin, most frequently encountered in the mandible between the roots of canines and premolars. Odontogenic cyst are a group of jaw cysts that are formed from tissues involved in odontogenesis tooth development. Tamgadge2, treville pereira3, sandhya tamgadge4, swati gotmare5, roopam chaudhary6 abstract lateral periodontal cyst is a slow growing, nonexpansile developmental odontogenic cyst derived from one or more rests of the dental lamina, containing an embryonic lining of one to three cuboidal cells and distinctive focal. Lateral periodontal cyst lpc is a relatively rare odontogenic pathology, representing about 0.
Pdf lateral periodontal cyst is a slow growing, nonexpansile. Odontogenic cysts are closed sacs, and have a distinct membrane derived from rests of odontogenic epithelium. Lateral periodontal cyst treated with enucleation and guided bone. Formerly, the term lateral periodontal cyst was used to describe any cyst that developed along the lateral radicular surface, including lateral radicular cysts and keratocysts. Periodontal cysts and epulides periodontal cysts and epulides binnie, william h. Due to its location it can easily be misdiagnosed as a lesion of endodontic origin. Subsequent infection of the cyst causes swelling and pain. Periapical cysts begin as asymptomatic and progress slowly.
The lateral periodontal cyst is a rare odontogenic cyst of developmental origin. An acute lateral periodontal abscess associated with a. Often, radicular cyst remains behind in jaws after removal of infected tooth then called residual cyst. An unfamiliar presentation of a lateral periodontal cyst. In 1973, weathers and waldron reported the first case of a multilocular lesion of the jaws, which they called a botryoid odontogenic cyst. We report the clinical and histopathologic features of a rare case of botryoid odontogenic cyst. Odontogenic cysts are largely classified based on their location, viability of the associated tooth and clinical setting. A free powerpoint ppt presentation displayed as a flash slide show on id. Diagnosis and treatment of lateral periodontal cyst.
Adjacent teeth vitality is of great importance when contemplating a presurgical working diagnosis of lateral periodontal cyst as missing adjacent teeth or past endodontic treatment. Whereas the odontogenic origin of lpc appears to be beyond question, the epithelial cells of origin are still controversial. This lesson goes over an uncommon type of dental condition known as a lateral periodontal cyst. Periapical cysts result from infection of the tooth, which spreads to the apex and into the adjacent bone. Cysts can be congenital but are usually acquired, the most common. Initially, the cyst swells to a round hard protrusion, but later on the body resorbs some of the cyst wall, leaving a softer accumulation of fluid underneath the mucous membrane. The onset of lateral periodontal cyst are insidious and subtle, with a yearly growth rate of 0. Sep 03, 2018 cysts and pseudocysts of oral bone tissue and periodontal. This unusual occurrence provides substantial evidence that the periodontal cyst may have an origin from the cell rests of malassez. Use of guided tissue regeneration in the treatment of a. It has been reported predominantly as an incidental finding and is a harmless entity characterized by an intraosseous, nonkeratinized, noninflammatory, and developmental odontogenic cyst of epithelial origin 2, 4.
Periodontal cyst definition of periodontal cyst by the free. Reports from the literature indicate a possible origin from either the rests of the. No matter how effective dental implants are, and they can be very effective, generally nothing is as good as a natural tooth. Usually asymptomatic, it presents as a regular well corticated radiolucency on the side of a mandibular canine or premolar root. Jun 07, 20 may can produce expansion of the cortical bone. Ameloblastoma admantinoma,admantoblastoma,multilocular cyst 3. The lateral periodontal cyst lpc is a relatively uncommon but widely recognized odontogenic cyst of developmental origin. Lateral periodontal cyst synonyms, lateral periodontal cyst pronunciation, lateral periodontal cyst translation, english dictionary definition of lateral periodontal cyst. Lateral periodontal cyst lpc has been pathogenetically linked to the gingival cyst of the adult the former is believed to arise from dental lamina remnants within bone and the latter from dental lamina remnants in soft tissue between the oral epithelium and the. Jan 01, 2011 the lateral periodontal cyst is considered a developmental odontogenic cyst with unusual occurrence. Radiographically shows a welldefined, unilocular, round or avoid lucent area. They almost exclusively occur in permanent dentition. Jan 14, 2016 the first welldocumented case of a lateral periodontal cyst was reported by standish and shafer in 1958. Pdf lateral periodontal cyst treated with enucleation.
The lateral periodontal cyst is a non inflammatory developmental cyst that arises from the epithelial postfunctional dental lamina, which is a remnant from odontogenesis. As such the cyst encloses the crown and is attached to the neck at the cementoenamel junction 5. The first welldocumented case of a lateral periodontal cyst was reported by standish and shafer in 1958. This leads to apical periodontitis, granuloma formation and eventual cyst formation. A radiographically detected lateral periodontal lesion can usually be diagnosed histopathologically as a lateral periodontal cyst of developmental origin, a lateral radicular cyst of inflammatory.
Cysts and pseudocysts of oral bone tissue and periodontal. Clinically, the age group affected with botryoid odontogenic cyst ranges from 23 to 85 years, with a mean age of 53. Contents definations classification benign tumors of odontogenic epithelium without ectomesenchyme ameloblastoma calcifying epithelial odontogenic tumor adenomatoid odontogenic tumor squamous odontogenic tumor 2. Clinical and histologic features of botryoid odontogenic cyst. Ppt periradicular lesions of pulpal origin powerpoint.
Periodontal abscess an overview sciencedirect topics. Lateral periodontal cysts are defined as nonkeratinized and noninflammatory. Discussion the lateral periodontal cyst is an uncommon but wellrecognized developmental cyst of odontogenic origin that develops in the alveolar bone along the lateral aspect of an erupted vital tooth. An abnormal membranous sac in the body containing a gaseous, liquid, or semisolid substance. These cysts are therefore centered on the apex of the tooth and tend to be small, most cyst is formed by the hydrostatic force exerted by the accumulation of fluid between reduced enamel epithelium and the tooth crown of unerupted teeth,5. A botryoid odontogenic cyst is considered to be a rare multilocular variant of a lateral periodontal cyst. Lateral periodontal cyst with extremely rare clinical. They are usually symptomless and are discovered during routine radiological examination of the teeth. It is important to distinguish this from a periradicular abscess caused by an infection emanating from the pulp, and in order to emphasise this distinction the term lateral periodontal abscess is often used.
These cysts are therefore centered on the apex of the tooth and tend to be small, most cyst. Periodontal cyst parodontal cysta svensk definition. The most common treatment for lpc is surgical enucleation. Find out information about lateral periodontal cyst.
Lateral periodontal cyst definition of lateral periodontal. T he lateral periodontal cyst is a rare odontogenic cyst of developmental origin. Endodontists are dentists who have at least 23 years of advanced training in root canals and saving teeth. T he lateral periodontal cyst is a developmental cyst of odontogenic origin which is located along the lateral aspect of a tooth root. Find out what it is, where it occurs, what its causes might be, and how it is treated in this lesson. It is considered to be developmental and not as a result of inflammation process or infection.