Objectives: The aim of this study was to determine the probable side effects of electrosurgery in pulpectomy of deciduous teeth on succedaneous teeth in dogs. Materials and methods:In this animal study, all maxillary and mandibular teeth at one side of five puppies' mouths were treated employing electrosurgical pulpectomy and were then compared with those of the other side treated using the conventional method. The electrosurgical dental electrode was placed in canals to the point of working length for the experimental group. After pulpectomy, the canals were filled with zinc oxide eugenol paste and the access cavity was restored with amalgam. The dogs remained under care until their successor teeth erupted and clinical examination was performed. Results:The teeth treated employing electrosurgical pulpectomy presented natural appearance with no observable defects including enamel hypoplasia, diffuse opacities of enamel, demarcated opacities, and enamel discoloration. Conclusion:Electrosurgical pulpectomy can be considered as an option for pulpectomy of deciduous teeth.
A pulpectomy requires the swift extraction of the inflamed tissue. Moreover, the speed of treatment is especially important in the case of uncooperative children. Conventional pulpectomies, however, often require an extended treatment period, which can therefore cause problems with such patients. Electrosurgical methods have been applied to pulpotomies for a number of years. However, to the best of our knowledge, no studies to date have assessed its application to pulpectomies. The aim of this study was to compare clinical and radiographic success rates over a 6-month follow-up period between conventional and electrosurgical pulpectomies. A total of 50 children aged 4 to 8 years were enrolled in this randomized clinical trial. A pulpectomy of the first and second primary molar teeth was seen as the optimal treatment plan in all these patients. One group was treated using the conventional method (C group, 25 teeth) and the other with electrosurgery (ES group, 25 teeth). The patients were evaluated for the presence of pain, mobility, abscess, sinus tract, erythema, tenderness to percussion, internal and external root resorption, and radiolucency. Clinical and radiographic success rates and total working time were assessed. The Fisher's exact test and Mann-Whitney U-test were used for the statistical analysis. After 6 months of follow-up, the clinical and radiographic success rates were 90.5 and 85.7%, respectively, in the ES group, compared with 88.9 and 72.2%, respectively, in the C group. No statistically significant difference was observed between the two groups (p>0.05). Working time, however, was significantly shorter in the ES group (p<0.001). This suggests that pulpectomy with electrosurgery reduces treatment time, and is therefore quite useful in situations where duration of the treatment course is of crucial concern.
Objectives: The purpose of this study was to systematically review the literature and use meta-analysis to investigate whether chlorhexidine (CHX) application after acid etching as an adjunct treatment has any influence on the immediate and delayed bond strength to primary dentin. Materials and Methods: In this review, PubMed, ISI (all data bases), Scopus and Cochrane were searched according to the selected keywords up to April 30, 2018. The full texts of all published articles that met our primary inclusion criteria were obtained. The studies were analyzed in two parts: in vitro studies that evaluated the effect of CHX application during the bonding procedures (application after acid etching) on immediate and delay dentin bond strength of resin-dentin interface. Results: The initial search yielded 214 publications, of which 8 were selected after thorough methodological assessment. None of the clinical studies fulfilled the eligibility criteria. Our results indicated that in comparison to the control group, CHX significantly reduced immediate resin-dentin bond strength (P=0.043). These values were increased after aging (P<0.001). Conclusion: Based on this invitro Meta-analysis CHX application, improve resin-dentin bond strength durability in primary teeth.
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