Two-year outcomes of electrosurgery and calcium-enriched mixture pulpotomy in primary teeth: a randomised clinical trial
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The purpose of this prospective split-mouth, randomised clinical trial was to assess the clinical and radiographic success rate of pulpotomy in primary molars using calcium-enriched mixture (CEM) cement or placement of zinc oxide eugenol after electrosurgery (ES/ZOE).
Pulpotomy was performed for 102 primary second molars in 51 children aged between 4 and 6 years. Considering a split-mouth design, for each patient the right and left second primary molars randomly underwent pulpotomy using CEM cement or ES/ZOE. All teeth were restored using preformed metal crowns. Following pulpotomy procedure, teeth were blindly evaluated for clinical and radiographic success after 6, 12 and 24 months. McNemar test and SPSS 16 software were used for the statistical analysis.
After 24 months, clinical success rates were 100 % in both groups, however, radiographic success rates of ES/ZOE and CEM were calculated as 95.2 and 90 %, respectively, with no significant difference (p = 0.625). The most common radiographic sign of failure was internal resorption.
The results of this investigation show that the treatment success rate with CEM cement was similar to the electrosurgical pulpotomy.
KeywordsPulpotomy Primary tooth Molar Electrosurgery Calcium-enriched mixture CEM cement
This research was supported by Iran National Science Foundation as well as Mashhad University of Medical Sciences and the authors would like to thank Dr. Hosseini Zarch, Dr. Esmaeli, Dr. Nik, Mrs. Etezad, Mr. Chavoshan and Mr. Zarif for their assistance in this project. The results presented in this study have been taken from a postgraduate thesis (no:417).
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