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Objective: To evaluate the clinical and radiographic success rates of 3Mix and Vitapex in the treatment of necrosed primary teeth. Materials and methods: Seventy teeth of healthy children aged 4-9 years with necrotic primary molar (nonvital) were treated with 3Mix (lesion sterilization tissue repair therapy) and Vitapex before restoration with stainless steel crowns. The participants were followed up clinically and radiographically for 3 months and 6 months, respectively. The outcome was compared using Fisher exact test with a significance level of p < 0.05. Results: Clinical success rate of 3Mix group at 3 months and 6 month follow-up was 100% and 97.14% and that of Vitapex group was 100% and 100%, respectively. The radiographic success rate of 3Mix group at 3 months and 6 months was 74.29% and 77.14% and of Vitapex group was 97.14% and 97.14%, respectively. Considering the clinical success, no statistical difference was found between the two groups at the end of 6 month (p = 1.000). But radiographically statistical significant difference was found between the two groups (p = 0.028). Conclusion: Non-instrumentation endodontic treatment using 3Mix has shown a good clinical success of 97.14% but the radiographic success rate at 6 months was lower (77.14%). So it can be suggested that the use of 3Mix antibiotic treatment cannot replace conventional root canal treatment over the long term.

Odontomas are most common hamartomatous developmental malformations. They can be differentiated into compound and complex type based on the level of organization of the tissues. Majority of odontomas are asymptomatic however these lesions can cause delayed eruption, impaction, or even retention of deciduous teeth. This case report presents a compound odontoma in 13 year old boy along with its related clinical and radiological manifestations and the surgical management.

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