Dentigerous cyst associated with an impacted mesiodens: report of 2 cases

Abstract

Dentigerous cysts are the most common developmental cysts of the jaws, most frequently associated with impacted mandibular third molar teeth. Dentigerous cysts around supernumerary teeth, however, account for 5% of all dentigerous cysts, with most developing around a mesiodens in the anterior maxilla. This report describes two cases of a dentigerous cyst associated with an impacted mesiodens. Both of the patients complained of swelling in the maxillary anterior region. Radiographic examination revealed an impacted mesiodens surrounded by a large corticated radiolucency in both cases. A provisional diagnosis of infected odontogenic cyst was made. The cysts were enucleated with the removal of the mesiodens in the two cases. Histopathological examination confirmed the diagnosis of infected dentigerous cyst associated with an impacted mesiodens in both cases. The patients remained asymptomatic, and no complications were noted.

Extensive dentigerous cyst associated with a maxillary mesiodens in a 55-year-old male – case report and literature review

“…According to various researchers, mesiodentes account for 44-67% of all cases of hyperdontia [2,3]. The incidence of mesiodentes in the population varies between 0.15% and 2.2% [2,4,5,6]. Amini et al, analyzing the incidence of hyperdontia in 3374 patients treated orthodontically between the ages of 10-20 years, stated that mesiodens was the most common supernumerary tooth observed [7].…”

“…According to the majority of authors, mesiodentes occur mainly in the anterior part of the jaw [1,2,3,5,8,10,11]. They may be single or multiple [5,6,9,12,13]. As well, the majority of mesiodentes are located palatally in relation to the central incisors [13].…”

“…Cysts may also be divided according to the origin of the epithelium constituting their lining. If cysts are associated with the process of odontogenesis, they are called odontogenic cysts [6].…”

Clinical and Histopathological Study of Dentigerous Cyst Associated to Maxilar Lateral Tooth: Case Report

“…Se forma entre el epitelio del esmalte y el esmalte de la corona de un diente en proceso de erupción, no erupcionado o incluído, con acumulación de líquido en esta zona (4,(5)(6)(7)(8)(9)(10)(11)(12). En ocasiones puede estar asociado a odontomas o supernumerarios representando un 5% de todos los quistes dentígeros (13,14,15). Su localización más frecuente es en región mandibular de terceras molares, seguidos de canino maxilar y segundo premolar maxilar (1)(2)(3)(4)(5)(6)(7).…”

“…A menudo no presentan sintomatología, generalmente es observado de manera casual en radiografías panorámicas que evalúan estadío de erupción. Radiográficamente se observa como una lesión radiolúcida unilocular de borde esclerótico con forma curvada o circular asociado a corona de un diente no erupcionado que expande corticales externas (3,4,6,7,15). Algunos QD se desarrollan de forma excéntrica desde lateral del folículo, ocupando un área al lado de la corona y no encima de ella (9,11,12).…”