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Fusion is known as a developmental anomaly described by the union of two neighbouring teeth. The worldwide prevalence of bilaterally fused teeth in the primary dentition is about 0.02% which is considered very rare. Only few cases of bilateral fusion have been reported in Indian population. This paper presents a rare case of three-year-old boy with bilateral fusion of primary mandibular lateral incisors and canine teeth. Treatment consisted of pit and fissure sealants and topical fluoride application. To conclude, fused primary teeth are considered as harmless asymptomatic abnormality.