Accuracy of Electronic Apex Locators in working length determination in primary teeth: a quasi-experimental study

Universidade Federal de Santa Catarina0 个研究点目标入组 46 人开始时间: 2026年9月1日最近更新: 2026年8月3日

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•Healthy children (ASA I and II), aged 5 to 10 years, of either sex, presenting with at least one primary maxillary or mandibular molar indicated for extraction, as confirmed by clinical and radiographic examination, based on the following criteria: pulpectomy contraindicated due to the inability to achieve adequate rubber dam isolation, inability to perform a definitive restoration, or the presence of one or more root canals exhibiting physiological and/or pathological root resorption exceeding half of the root length

•Patients with negative behavior, acute pain, a history of allergy to the components of the local anesthetic solution, a previous history of hemorrhage or coagulation disorders, neurological disorders, or liver disorders will be excluded from the study. In addition, teeth presenting with apparent root canal obliteration, internal root resorption, or those that fracture during the extraction procedure will also be excluded.

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