<![CDATA[Background: According to the Glossary of the American Association of Endodontists, resorption is definedas a condition associated with either a physiologic or a pathologic process resulting in the loss of dentin,cementum, or bone. It may present internally (pulpal origin) or externally (periodontal origin). Internalresorption is a rare, insidious, resorptive pathological process, starting from the pulp extending into thesurrounding dentin. Treatment is mainly focused on arresting the cellular activity accounting for theresorptive process.Methodology: A patient presented with an upper front tooth that was tender on percussion and a history oftrauma in her childhood which resulted in Ellis class II fracture of the tooth. Pulp sensibility testing showeda negative response suggestive of a non-vital tooth. A non-surgical endodontic therapy was carried out underthe microscope with calcium hydroxide dressings followed by the three-dimensional obturation techniqueusing thermoplasticized Gutta percha.Conclusion: The current case report discusses the etiology and symptoms of internal inflammatoryresorption, the contribution of cone beam computed tomography imaging in its diagnosis, and a step wiseprotocol for the three dimensional obturation of the resorptive lesion.]]>
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