Czynniki wpływające na stan tkanek okołowierzchołkowych zębów z wypełnionymi kanałami korzeniowymi u pacjentów leczonych przez studentów stomatologii – analiza przekrojowa
The carious lesions in the current study were negative prognostic factors of endodontic treatment success. Marginal decay did not influence periapical status [19]. However, it is plausible that the microorganisms found in the depth at which dentin caries cavities reach the pulp chamber via dentinal tubules colonize the root canal system and induce the formation or maintenance of periapical lesions. Chen et al. [12] correlated dental-caries severity with the occurrence of periapical lesions. In their study, endodontically treated teeth with carious lesions extending up to the pulp chamber had a high prevalence of periapical lesions. Thus, the effective control of dental caries prior to root canal treatment [5] should also be maintained after endodontic treatment completion to prevent the development of caries and prevent microorganisms from accessing the root canals and periapical tissues.
The current study found that the bleeding on probing and pathologic tooth mobility were predictors of endodontic treatment failure. Studies that evaluated periodontal aspects related to periapical status are mainly based on the periodontal pocket depth and marginal periodontium-insertion loss [5, 7, 12]. Periodontal bone support reduction has a negative effect on endodontic treatment prognosis [10, 12], but few studies have linked periodontal disease to pulp [22, 26] and periapical diseases [5]. It has been suggested that occlusal trauma is associated with an increased chance of unfavorable periapical healing. Moreover, the severity of marginal bone loss was positively correlated with the number and size of periapical radiolucencies [12].
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