Source:International Journal of Pediatric Otorhinolaryngology, Volume 97
Author(s): Seong Jun Won, Eunkyu Lee, Hee Jung Kim, Hyun-kyung Oh, Han-Sin Jeong
ObjectivesPoor oral hygiene is one of the risk factors for sialolithiasis particularly in adults; however the etiology of sialolithiasis in pediatric patients remains largely unknown. The purpose of this study is to identify the association between sialolithiasis and the oral/oropharyngeal infections in the pediatric population, as surrogate indicators for oral hygiene and retrograde infections to the affected salivary gland.MethodsThis was a population based case-control study using the Korean National Health Insurance Database. We identified 10,095 pediatric patients, diagnosed with sialolithiasis, as cases (study period 2011–2015) and 50,475 age/gender/residence matched subjects without sialolithiasis, but with unrelated diseases (e.g., simple trauma in extremities) were set as controls. Logistic regression analyses were conducted to evaluate the association of sialolithiasis with oral or oropharyngeal infections.ResultsThe morbidity rate of sialadenitis was much higher in the cases than the controls (32.92% vs 0.72%, p < 0.0001). By contrast, the prevalence of oral or oropharyngeal infections (stomatitis, gingivitis, periodontitis, and pharyngo-tonsillitis) was significantly lower in pediatric sialolithiasis patients in all age (0–18) groups. The adjusted odds ratios of the multivariate analyses also confirmed significantly less prevalence of the oral and oropharyngeal infections in pediatric sialolithiasis patients.ConclusionOral or oropharyngeal infections were inversely associated with pediatric sialolithiasis, suggesting that pediatric sialolithiasis may result from the intrinsic factors of the salivary gland itself, not from oral or oropharyngeal infections.
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