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How should a root fracture in the coronal half of a primary tooth be treated?
Rigid splint or Extraction
No treatment
Pulpectomy
Replantation
The correct answer is: Rigid splint or Extraction
A root fracture in the coronal half of a primary tooth is considered a serious and urgent condition. B, C, and D are incorrect options as they do not address the fracture and would not effectively treat the damage. B (no treatment) may lead to further complications such as infection, pain, and difficulty eating. C (pulpectomy) removes the pulp of the tooth, which should be a last resort in primary teeth as they serve as space maintainers for permanent teeth. D (replantation) involves removing the tooth to reposition it, which may not be possible in primary teeth due to the risk of damaging the developing permanent tooth. A (rigid splint or extraction) is the most appropriate option as it stabilizes the damaged tooth and allows time for the root to heal. Extraction may be necessary in severe cases where the tooth cannot be saved. Overall, A is the best option to effectively treat and manage a root fracture in the coronal half of a primary tooth.