An unfamiliar presentation of a lateral periodontal cyst

Byatnal, Amit; Parvathidevi, M K; Thriveni, R; Koppal, Shrinivas

doi:10.1136/bcr-2013-200852

Cited by 3 publications

(3 citation statements)

References 6 publications

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“…Most cases arise in the premolar and canine areas and have a diameter of less than one centimeter. Aberrant cases of LPC have also been found in periapical sites [ 9 , 10 ], very rarely and only one case in association with an unerupted tooth [ 11 ], and with a diameter in excess of a centimeter [ 12 ]. Some authors have described a small number of cases involving multifocal LPC [ 3 ].…”

Section: Discussionmentioning

confidence: 99%

Atypical presentation of lateral periodontal cyst associated with impacted teeth: two case reports

Buchholzer

Bornert

Donna³

et al. 2021

BMC Oral Health

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Background Lateral periodontal cyst (LPC) is an uncommon form of developmental odontogenic cyst. LPC can be suspected when there is a round, well-circumscribed radiolucency, usually of small diameter, along the lateral surface of vital erupted teeth, predominantly in the mandibular premolar region. Histopathological analysis allows LPC to be diagnosed based on its characteristic features such as a thin cuboidal to stratified squamous non-keratinizing epithelium containing epithelial plaques and glycogen-rich clear cells. The aim of this article was to report two cases of atypical LPC associated either with an impacted lower left canine (tooth #33) or with a lower right third molar (tooth #48). Case presentation Case 1: A 56-year-old man was referred to us for an oro-dental assessment. Panoramic radiography revealed an impacted lower left permanent canine (tooth #33) with well-defined radiolucency on its upper cervical margin. A CT scan revealed a pericoronal radiolucency of 5 mm at its widest diameter around the impacted tooth #33. The pericoronal tissue was removed and sent for histopathological examination. The results revealed a lateral periodontal cyst. Satisfactory postoperative healing was achieved at the site. Follow-up at 12 months indicated no recurrence of the lesion. Case 2: A 54-year-old woman consulted with the main issue being pain on the lower right side of the face. Intra-oral examination revealed a vestibular swelling involving the region of the second molar (tooth #47), with obliteration of buccal sulcus. Pocket depth was determined to be 9 mm at the distal of #47. A diagnosis of gingival abscess resulting from chronic periodontitis was made. Panoramic radiography revealed a radiolucent cystic lesion associated with an impacted horizontal lower right third molar (tooth #48), suggestive of a dentigerous cyst. X-rays also revealed alveolar bone resorption on the molar (tooth #47). The cyst was removed along with the third molar and submitted for histopathological diagnosis. The diagnosis was LPC. Follow-up at 18 months indicated no recurrence of the lesion. Conclusion These cases represent atypical presentations of LPC. They provide examples of the differential diagnosis of pericoronal radiolucencies involving an impacted tooth and our observations provide insights regarding the pathogenesis of LPC.

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Section: Discussionmentioning

confidence: 99%

Atypical presentation of lateral periodontal cyst associated with impacted teeth: two case reports

Buchholzer

Bornert

Donna³

et al. 2021

BMC Oral Health

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“…Nevertheless, it is imperative to identify and rule out differential diagnoses of other odontogenic lesions prior to any definitive treatment. Odontogenic cysts including odontogenic keratocyst (OKC) [21], dentigerous cyst [22, 23], and glandular odontogenic cyst (GOC) [24] have mimicked LPC in their presentation. However, the abovementioned odontogenic cysts clinically and radiographically present in association with impacted teeth and are preponderant in the posterior mandibular region [3, 21, 23, 24].…”

Section: Discussionmentioning

confidence: 99%

Lateral Periodontal Cyst Treated with Enucleation and Guided Bone Regeneration: A Report of a Case and a Review of Pertinent Literature

Ramalingam

Alrayyes

Almutairi

et al. 2019

Case Reports in Dentistry

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Lateral periodontal cyst (LPC) is an uncommon developmental odontogenic cyst arising on the lateral surface of tooth roots. Commonly reported in mandibular canine-premolar or maxillary anterior regions, it presents as a well-circumscribed or tear drop-shaped radiolucency with a sclerotic border. Associated teeth are asymptomatic and vital, and roots may be displaced without resorption. Histopathologically, cystic lining resembles reduced enamel epithelium along with glycogen-rich clear cells and epithelial plaques. Unilateral variant of LPC has low recurrence and is managed by enucleation. A 43-year-old male patient reported with asymptomatic swelling in the left mandibular canine and first premolar region. Both teeth were vital, and radiographs revealed well-circumscribed radiolucency between the roots. Following consent, surgical enucleation and guided bone regeneration (GBR) with xenograft and resorbable collagen membrane were done under local anesthesia. The immediate postoperative period was uneventful, and complete bone fill of cystic cavity and healing of periodontal tissues was observed after a one-year follow-up. Histopathologic examination confirmed the diagnosis. LPC should be a differential diagnosis in cystic lesions lateral to the surface of a tooth and without any associated inflammation. Based on this case report, unicystic LPC can be successfully managed through surgical enucleation with GBR for better periodontal healing.

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“…Since most case are unilocular, rarely multiple or multifocal LPC cyst presentation can also occur, similar to in Siponen et al's case [23]. Other atypical locations, depending on the localization between dental roots, crown, situated more coronally or laterally in the erupted teeth, are also known [24].…”

Section: Discussionmentioning

confidence: 60%

Usage of Guided Bone Regeneration in the Case of Lateral Periodontal Cyst in the Maxilla with Buccal Cortical Expansion

Nelke¹,

Jadach²,

Janeczek

et al. 2022

Applied Sciences

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A lateral periodontal cyst (LPC) is a rare finding. Patients diagnosed with LPC younger than 40 years of age are not that common. Mostly asymptomatic LPCs can be discovered on routine radiographs as an oval radiolucency between two mandibular premolar teeth roots and can vary in shape and size. Most cases are treated with enucleation, bone curettage, or a combination of both, greatly depending on the surgeon’s preference. Because most LPCs are quite small, lesions do not require any regenerative procedures. In the presented case, because of cortical expansion of the lesion and loss of vital bone bridge surrounding two adjacent maxillary teeth, a guided bone regenerative procedure (GBR) with xenograft bone substitute was used. Despite that small lesions can heal on their own, nowadays the approach of full-mouth therapy (FMT), including direct soft or hard tissue reconstruction in the oral cavity, seems to be a wise treatment. The presented paper presents and describes an unusual LPC case with cortical bone expansion in a very rare maxillary canine–premolar region.

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An unfamiliar presentation of a lateral periodontal cyst

Cited by 3 publications

References 6 publications

Atypical presentation of lateral periodontal cyst associated with impacted teeth: two case reports

Atypical presentation of lateral periodontal cyst associated with impacted teeth: two case reports

Lateral Periodontal Cyst Treated with Enucleation and Guided Bone Regeneration: A Report of a Case and a Review of Pertinent Literature

Usage of Guided Bone Regeneration in the Case of Lateral Periodontal Cyst in the Maxilla with Buccal Cortical Expansion

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