Severe re-impacted deciduous tooth in 25-years-old female with permanent dentition associated to high-risk oral-sinus communication surgery: a rare case report.

Introduction And Importance: The total re-impaction of primary tooth is a very uncommon phenomenon and few cases have been reported in the literature. "Re-Impaction of deciduous tooth " is a rare phenomena involving more often mixed denture than permanent dentition.

Case Presentation: A completely re-impacted deciduous tooth in an adult patient presented an occlusal tooth decay.