Regenerative EndodonticsClinical and Radiographic Outcomes in Immature Permanent Necrotic Evaginated Teeth Treated with Regenerative Endodontic Procedures
Section snippets
Subjects
Twenty patients (aged 8–12 years) were referred to the pediatric dentistry clinic for treatment of non-vital immature premolars with dens evaginatus. The teeth included 8 mandibular first premolars and 12 mandibular second premolars. Patient-informed consent and approval of the institutional review board had been obtained (WYKQ2014005). The initial diagnosis of these teeth was pulp necrosis with or without apical periodontitis. A detailed medical and dental history was collected from each
Baseline Characteristics of the Study Population
The demographics and baseline clinical characteristics of the patients are summarized in Table 1. All treated teeth were premolars with dens evaginatus and with necrotic dental pulp preoperatively and showed radiographic periapical pathology and/or periapical symptomatology. All cases had periapical lesion symptoms, and 55% had radiographic periapical pathology present (Table 1).
Clinical Outcomes
All 20 revascularization cases were followed for 12 months, with review once every 3 months. All 20 teeth survived
Discussion
Dens evaginatus is usually found in mandibular premolars. The condition is more common in patients of Chinese descent and has been estimated to occur in 1%–4% of this group (19). Here we report a prospective study of RET especially on serial necrotic immature premolars with dens evaginatus. Although several case presentations and retrospective studies have reported the clinical and/or radiographic outcomes of RET on premolars 12, 22, 23, to our knowledge, this is the first prospective study to
Acknowledgments
The authors deny any conflicts of interest related to this study.
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