Observational studyBMC oral health2026
Evaluation of pulp stone between a sub-group of Iraqi population using CBCT radiographs: a retrospective observational study.
Observational study in BMC oral health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPulp stones (PS) or denticles are a type of calcification foci that are found in the coronal pulp or, less frequently, radicular pulp cavity. The appearance of PS might hinder endodontic treatments in some cases.
objectiveTo examine the distribution of PS in a subgroup of the Iraqi population and to detect the factors that induce this condition among patients.
methodsThis cross-sectional study was conducted retrospectively at the FOTON Maxillofacial Imaging Centre, Sulaimaniyah, Iraq, from January 2020 to December 2025, using participants' data from the imaging centre's database. Cone-beam computed tomography (CBCT) images of 6147 teeth of 250 participants (125 males and 125 females) aged 15 to 56 years and older were evaluated. PS were considered when separate radiopaque masses were found in the pulp cavity; the association of PS with patients' age, gender, and dental factors was then estimated.
resultsPS were identified in 33.6% of participants and 2.9% of teeth. After adjustment for age and gender, female was identified as a significant independent predictor of PS occurrence at the tooth level only (p = 0.004). In contrast, age group was not significantly associated with PS prevalence at either the patient or tooth level. More PS was found in molars and the maxilla, specifically in restored and carious teeth.
conclusionsNearly one-third of the Iraqi subgroup had PS, frequently in the molars, maxilla, and non-intact teeth. Female sex was identified as an independent predictor of PS occurrence. These findings suggest that dental factors and gender are more important factors for developing PS than chronological aging.
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