Periapical status and technical quality in root canal filled teeth in a cross sectional study in Jönköping, Sweden

Silnovic, Zlatan; Kvist, Thomas; Frisk, Fredrik

doi:10.1080/00016357.2022.2121322

Cited by 10 publications

(4 citation statements)

References 26 publications

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“…One recent CBCT study from Münster/Germany found a similar prevalence of AL at the tooth level as we did [9]. Significantly higher prevalences were found in recent studies from Turkey (tooth level: 7.8%) [23], Brazil (patient level 60.5%; tooth level 8.4%), Greece (tooth level 13.6%) and Saudi Arabia (tooth level 4.5%) [24], while recent studies from Scandinavia showed a lower prevalence at the patient level (27-34%) [25,26]. A study from Finland [26], however, confirmed our findings that (1) AL is significantly more prevalent in men than in women and (2) teeth with a root canal filling are more likely associated with AL than teeth without previous endodontic treatment.…”

Section: Key Resultssupporting

confidence: 84%

Machine Learning to Predict Apical Lesions: A Cross-Sectional and Model Development Study

Herbst,

Pitchika,

Krois

et al. 2023

JCM

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(1) Background: We aimed to identify factors associated with the presence of apical lesions (AL) in panoramic radiographs and to evaluate the predictive value of the identified factors. (2) Methodology: Panoramic radiographs from 1071 patients (age: 11–93 a, mean: 50.6 a ± 19.7 a) with 27,532 teeth were included. Each radiograph was independently assessed by five experienced dentists for AL. A range of shallow machine learning algorithms (logistic regression, k-nearest neighbor, decision tree, random forest, support vector machine, adaptive and gradient boosting) were employed to identify factors at both the patient and tooth level associated with AL and to predict AL. (3) Results: AL were detected in 522 patients (48.7%) and 1133 teeth (4.1%), whereas males showed a significantly higher prevalence than females (52.5%/44.8%; p < 0.05). Logistic regression found that an existing root canal treatment was the most important risk factor (adjusted Odds Ratio 16.89; 95% CI: 13.98–20.41), followed by the tooth type ‘molar’ (2.54; 2.1–3.08) and the restoration with a crown (2.1; 1.67–2.63). Associations between factors and AL were stronger and accuracy higher when using fewer complex models like decision tree (F1 score: 0.9 (0.89–0.9)). (4) Conclusions: The presence of AL was higher in root-canal treated teeth, those with crowns and molars. More complex machine learning models did not outperform less-complex ones.

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Section: Key Resultssupporting

confidence: 84%

Machine Learning to Predict Apical Lesions: A Cross-Sectional and Model Development Study

Herbst,

Pitchika,

Krois

et al. 2023

JCM

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“…Epidemiological studies have reported a prevalence of periapical radiolucencies in root‐filled teeth of between 12% and 72% (Kielbassa et al, 2017 ; Pak et al, 2012 ; Silnovic et al, 2022 ). Although diagnosis is not always straightforward, most cases are caused by an inflammatory lesion, apical periodontitis (AP).…”

Section: Introductionmentioning

confidence: 99%

Endodontic retreatment decision‐making: The influence of the framing effect

Kvist

Henelius

Smakiqi

2023

Clinical & Exp Dental Res

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Objective The aim of this study was to explore the influence of a framing effect in retreatment decision‐making of a root‐filled tooth with asymptomatic apical periodontitis (AP). Method Two variants of a questionnaire were created in which the factual information about a root filled with AP was identical. The options in the first variant were framed in favor to wait and see (FW) and those in the other variant were framed in favor of retreatment (FR) Two hundred and forty‐eight volunteers were by chance given one of the two versions and were asked to choose between having retreatment or to wait and see. Results Of the 125 participants given the FW version, 69 (55.2%) chose to wait and see while out of the 123 participants who were given the FR version, 38 (30.9%) made the alike choice ( p = .0002). Conclusion A framing effect is likely to play an essential role in endodontic retreatment decision‐making of root‐filled teeth with asymptomatic apical periodontitis.

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“…Despite that root canal treatment of molars is a frequent procedure in Scandinavian general dental practice (Bjørndal et al, 2006 ; Försäkringskassan, 2023 ; Fransson et al, 2016 ), the outcomes seem to be problematic. Some studies not only indicate the poor technical quality of the root fillings but also the absence of periapical healing (Eckerbom et al, 2007 ; Frisk et al, 2008 ; Laukkanen et al, 2021 ; Silnovic et al, 2023 ). The survival rates for root‐filled molar teeth are generally lower than for other tooth groups treated in general practice (Fransson et al, 2016 , 2021 ; Göransson et al, 2021 ; Kebke et al, 2021 ).…”

Section: Discussionmentioning

confidence: 99%

General dental practitioners' fees for root canal treatment, coronal restoration and follow‐on treatment in the adult population in Sweden: A 10‐year follow‐up of data from the Swedish Dental Register

Wigsten,

Fransson,

Isberg

et al. 2023

Clinical & Exp Dental Res

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ObjectivesTo analyze the accumulated fees connected with root filling, permanent coronal restoration and follow‐on treatment charged by Swedish dentists over a 10–11‐year follow‐up period. Furthermore, analyzing these fees with reference to the type of restoration, tooth group, and the root‐filled teeth which survived compared to those requiring extraction.Material and MethodsIn 2009, the data register of the Swedish Social Insurance Agency recorded a total of 215,611 teeth as root‐filled. The accumulated fees for each tooth encompassed the following interventions: initial root filling, coronal restorations, and follow‐up treatments during the designated period. The outcomes were analyzed using descriptive and analytic statistics, including t tests and one‐way analysis of variance. The fees are presented in Euros (€1 = SEK 8.94).ResultsThe total accumulated fees for root fillings amounted to 72 million Euros: the mean fee per root filled tooth was €333.6. The total mean fee over a 10–11‐year period, comprising root canal treatment, coronal restorations, and any follow‐up treatments, was €923.4. Root‐filled teeth with indirect restorations presented a higher mean fee (€1 279.3) compared to those with direct restorations (€829.4) or those without specified restorations (€832.7; p < .001). Moreover, molars presented a significantly higher mean fee (€966.4) compared to premolars (€882.8) and anterior teeth (€891.3; p < .001). Lastly, the mean fee for extracted teeth was €1225.3, which was higher compared to those who survived the follow‐up period (€848.0; p < .001).ConclusionsFees charged by general dental practitioners for root‐filled teeth accumulate over time, probably due to the need for further treatment of the tooth. The total mean fee was significantly higher for molars and root‐filled teeth with indirect restorations. However, an analysis of the total costs would require prospective clinical cost‐effectiveness studies.

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Periapical status and technical quality in root canal filled teeth in a cross sectional study in Jönköping, Sweden

Cited by 10 publications

References 26 publications

Machine Learning to Predict Apical Lesions: A Cross-Sectional and Model Development Study

Machine Learning to Predict Apical Lesions: A Cross-Sectional and Model Development Study

Endodontic retreatment decision‐making: The influence of the framing effect

General dental practitioners' fees for root canal treatment, coronal restoration and follow‐on treatment in the adult population in Sweden: A 10‐year follow‐up of data from the Swedish Dental Register

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