Association between tooth impaction and odontogenic lesions: A matched case-control study

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Abstract

Background: Impacted tooth is common in dental practice. Dentists usually remove them if they are associated with any pathologic sign or symptom. The challenge is whether to extract the asymptomatic tooth or not. This study was conducted to determine the association between developmental odontogenic cysts and tumors and impacted and unerupted teeth, if left untreated.

Methods: In this matched case-control study, 262 participants were recruited in case and control groups to evaluate the association between the presence of odontogenic cyst and tumors and unerupted and impacted teeth in patient records in the School of Dentistry, Shahid Beheshti University of Medical Sciences during 2000-2002. The controls referred to a dental radiology center for routine OPG. We also recorded the data on age, gender, the involved jaw, and type of lesion. All patients’ records were reviewed by the research director and an oral pathologist separately. The variables that were matched as confounders were age, gender, and the site of the involved jaw.

Results: Results of conditional logistic regression analysis showed that the presence of odontogenic lesions was associated with impacted teeth (OR = 6.9), and not associated with the involved jaw and unerupted teeth.

Conclusion: Impacted teeth could be considered as a potential risk factor for the presence of odontogenic lesions.

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Most cited references 18

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Pathology associated with impacted mandibular third molars in a group of Jordanians.

T Al Enizi, Anwar B Bataineh (2006)

The aim of this study was to determine the frequency and type of a group of radiographically detectable pathologic conditions around impacted mandibular third molars in Jordanians. A retrospective study of patients referred to the Oral and Maxillofacial Surgery unit for surgical removal of impacted mandibular molars. The analysis outcome measures were the patients' age and gender, and any radiographic lesions associated with the impacted mandibular third molars. The following radiographic lesions were recorded in relation to the impacted third molar: caries, pericoronal radiolucent areas, and periapical radiolucent areas, in addition to odontomes, caries in the adjacent second molars, and external resorption of the roots of adjacent mandibular second molars. Bony radiolucent areas were all verified histopathologically. Impacted mandibular third molars (N = 2,432) from 1,398 patients were examined; 46.4% of third molars showed associated radiographically detected lesions. The most common lesion seen on panoramic radiographs was dental caries. Others included pericoronal radiolucent and periapical radiolucent areas. The majority of periapical radiolucent areas were histologically proven to be chronic periapical inflammation. All pericoronal radiolucent areas were histologically found to be either cysts or tumors. The most common cyst was dentigerous cyst; the most common tumor was ameloblastoma. A high ratio of impacted mandibular third molars in this group of Jordanians had an associated pathologic lesion.

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Pathologically significant pericoronal lesions in adults: Histopathologic evaluation.

Joanne Curran, Alexandre Drummond, D Damm (2002)

Oral and maxillofacial surgeons devote a large portion of their practice to the removal of impacted teeth. Many of these teeth have associated soft tissue that is submitted along with or without the tooth for histopathologic examination. This study reports the histopathologic diagnoses of a large series of pericoronal lesions in adults submitted to an oral and maxillofacial pathology biopsy service. Two thousand six hundred forty-six pericoronal lesions received during a 6-year period were reviewed for location, age, and histopathologic diagnosis. Retrospective evaluation showed that 67.1% of all submissions were nonpathologic follicular tissue. Pathologically significant lesions were diagnosed in 32.9% of cases. Among these lesions were 673 dentigerous cysts (28.4%), 79 dentigerous cysts with mucous cell prosoplasia, 71 odontogenic keratocysts (2.68%), 19 odontomas (0.7%), 13 ameloblastomas (0.5%), 6 carcinomas (0.23%), 6 calcifying odontogenic cysts (0.23%), 4 calcifying epithelial odontogenic tumors, and 1 odontogenic myxoma (0.04%). When stratified by age, the data showed pathologically significant lesions and age are related (chi(2), P <.0001). Because of selection bias inherent in a study of this nature, population generalizations cannot be made. However, this study serves to show that the potential for the development of significant, even life-threatening, disease associated with impacted teeth is real and should be a factor in the decision-making process when oral surgeons and others are confronted with the dilemma of managing an impacted tooth. Copyright 2002 American Association of Oral and Maxillofacial Surgeons J Oral Maxillofac Surg 60:613-617, 2002

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Central odontogenic fibroma of mandible: a case report and review of the literature.

John Daniels (2004)

Central odontogenic fibroma is an extremely rare benign tumor, accounting for less than 0.1% of all odontogenic tumors. The most recent literature review revealed that only 69 cases have so far been reported in the English literature, and only 1 of these cases showed radiologic appearance of a dentigerous cyst and this involved impacted maxillary incisors. A case of central odontogenic fibroma occurring in the mandible of a 30-year old female with radiological appearance of a dentigerous cyst involving an impacted lower first molar, presented here, appears to be the first reported case of central odontogenic fibroma of mandible with radiological appearance of dentigerous cyst in the English-language literature.

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Author and article information

Journal

Journal ID (nlm-ta): Med J Islam Repub Iran

Journal ID (iso-abbrev): Med J Islam Repub Iran

Journal ID (publisher-id): MJIRI

Journal ID (publisher-id): Med J Islam Repub Iran

Title: Medical Journal of the Islamic Republic of Iran

Publisher: Iran University of Medical Sciences

ISSN (Print): 1016-1430

ISSN (Electronic): 2251-6840

Publication date Collection: 2018

Publication date (Electronic): 06 July 2018

Volume: 32

Page: 57

Affiliations

¹ Otolaryngology, Head and Neck Surgery Research Center, Hazrat-e Rasool General Hospital, Iran University of Medical Sciences, Tehran, Iran.

² Elderly Health Research Center, Endocrinology and Metabolism Research Institute, Tehran University of Medical Sciences, Tehran, Iran.

³ Non-communicable Diseases Research Center, Endocrinology and Metabolism Research Institute, Tehran University of Medical Sciences, Tehran, Iran.

⁴ Research Center for Caries Prevention (RCCP), Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran.

⁵ Department of Community Oral Health, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.

⁶ Department of Oral and Maxillofacial Pathology, School of Dentistry, Shahid Beheshti University of Medical Science, Tehran, Iran.

⁷ Dental Research Center, Research Institute for Dental Sciences, Shahid Beheshti University of Medical Science, Tehran, Iran.

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Corresponding author: Dr Hossein Hessari, h-hessari@ 123456tums.ac.ir

Article

DOI: 10.14196/mjiri.32.57

PMC ID: 6113582

PubMed ID: 30175083

SO-VID: 45110a98-1ca0-4174-9730-c43a1a6977ac

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Association between tooth impaction and odontogenic lesions: A matched case-control study

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Most cited references 18

Pathology associated with impacted mandibular third molars in a group of Jordanians.

Pathologically significant pericoronal lesions in adults: Histopathologic evaluation.

Central odontogenic fibroma of mandible: a case report and review of the literature.

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