Prevalence of oral mucosal normal variations and lesions in a middle-aged population : a Northern Finland Birth Cohort 1966 study

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http://hdl.handle.net/10138/324537

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Oivio , U-M , Pesonen , P , Ylipalosaari , M , Kullaa , A & Salo , T 2020 , ' Prevalence of oral mucosal normal variations and lesions in a middle-aged population : a Northern Finland Birth Cohort 1966 study ' , BMC Oral Health , vol. 20 , no. 1 , 357 . https://doi.org/10.1186/s12903-020-01351-9

Title: Prevalence of oral mucosal normal variations and lesions in a middle-aged population : a Northern Finland Birth Cohort 1966 study
Author: Oivio, Ulla-Maija; Pesonen, Paula; Ylipalosaari, Merja; Kullaa, Arja; Salo, Tuula
Contributor: University of Helsinki, HUSLAB
Date: 2020-12-09
Language: eng
Number of pages: 9
Belongs to series: BMC Oral Health
ISSN: 1472-6831
URI: http://hdl.handle.net/10138/324537
Abstract: Background In this cross-sectional study we investigated the oral mucosal changes in a middle-aged Finnish population. We analyzed the prevalence of potentially malignant disorders and the influence of smoking, snuff and alcohol use on the mucosal changes. Methods Of the 12,068 members of the NFBC 1966, a total of 1961 participants (16.2%) constituted the study population. Mucosal changes were diagnosed and photographed by seven general dentists, and two specialists re-analyzed all the diagnoses based on the documentation Cross-tabulation with Chi-square tests and logistic regression analysis were used to analyze the data. Results Of the participants, 10.5% had some mucosal changes, of which 81.8% were diagnosed as oral mucosal lesions (OML) and 18.2% as normal variations. Of the normal variations, the most common were Fordyce granules (1.2%), fissured tongue (1.1%) and geographic tongue (0.9%). The most common OMLs were white lesions (6.5%), of which oral lichen planus (OLP) and lichenoid reactions (OLR), grouped as oral lichenoid diseases, were present in 3.5%, males more often (3.8% vs. 3.1%). OLP was found in 1.5% of all participants, females more often (1.8% vs. 1.2%), while OLR was more common in males (2.7% vs. 1.3%). Leukoplakia was identified in 0.5% of the population; twice more often in males (0.6% vs. 0.3%). Erythroplakia was not found. Current smokers had higher risk for oral mucosal changes than former or non-smokers (OR 3.0, 95% CI 2.11-4.28), and snuff, used occasionally or regularly, also raised the risk (OR 2.6, 95% CI 1.48-4.70). Conclusions In the middle-aged northern Finland population, 4% of OMLs were potentially malignant disorders, including OLR (2%), OLP (1.5%) and leukoplakia (0.5%). In particular, smoking and snuff use increased the risk for having any oral mucosa changes.
Subject: NFBC
Cross-sectional study
Middle-aged population
Oral mucosa
Normal variations and lesions
Oral lichen planus
Oral lichenoid reaction
Prevalence
Leukoplakia
LICHEN-PLANUS
WHITE LESIONS
HABITS
313 Dentistry
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