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Common dental diseases may develop into severe odontogenic infections (OIs). This study aimed to characterize the occurrence and nature of dental diseases in OIs requiring hospitalization.Data of a total of 168 adult patients requiring hospital care for severe OI were retrospectively investigated. Study participants were grouped according to OI etiology: apical periodontitis, marginal periodontitis, combined infection (apical and marginal periodontitis) or vertical root fracture, pericoronitis, and root remnant. The categorization of the dental diseases was achieved by radiologic evaluation and supplemented with clinical findings from patient records. Differences in background variables and infection severity were statistically analyzed.Apical periodontitis was the most common dental infection disease leading to OI (n = 113; 67%). In 83 cases, no root canal treatment (RCT) was administered prior to hospital admission; in 30 cases, RCT had been commenced or completed. Between study groups, significant differences were observed in age (P.001), immunocompromised status (P = .024), and pulse (P = .012). Patients with marginal periodontitis were older and more often immunocompromised; patients with pericoronitis were younger. Pulse was higher in patients with a severe OI originating from apical periodontitis than in patients with OI originating from other dental diseases.Apical periodontitis, specifically with no prior endodontic treatment, was observed in the majority of severe OIs. Additionally, when compared with other types of dental diseases, apical periodontitis was associated with features of more severe infections. This highlights the importance of periapical health. |
