Apexification procedures tied to favorable tooth survival outcomes in necrotic immature permanent teeth
Apexification treatment may be indicated for immature permanent teeth after necrosis of the pulp, resulting from trauma or dental caries.
Apexification procedures are tied to favourable tooth survival outcomes in necrotic immature permanent teeth suggest a new study published in the Journal of Endodontics.
This epidemiological analysis used procedure codes from dental insurance claims data to identify apexification cases and evaluate survival at the tooth level.
Dental insurance claims data from New York State (2006–2019) and Massachusetts (2013–2018) were used in an observational, retrospective cohort study to evaluate the provision and treatment outcomes of apexification. Statistical analyses included Kaplan–Meier survival estimates and Cox proportional hazards regression. Cox proportional hazard regression was used to evaluate the hazard of adverse event occurrence by age, gender, tooth type, placement of a permanent restoration, and dental provider type. A sensitivity analysis evaluated potential bias in the survival estimates and adjusted hazard ratios (aHRs) due to differential loss to follow-up. Robust standard errors were used to account for potential dependence between teeth within an individual.
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