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Abstract Background Managing dental caries in primary teeth with pulp involvement is a significant challenge. Clinical guidelines offer recommendations for effective management. Aim To identify and analyze policies, guidelines, and recommendations for treating primary teeth with pulp-involved carious lesions, highlighting existing research gaps and setting the foundation for future research. Methods A comprehensive search was conducted across databases (PubMed, Scopus, Embase, GIN, and LILACS) and grey literature sources (Trip and ProQuest) to identify guidelines, consensus, policy, and position statements on primary teeth pulp therapy and extraction thresholds. Two independent reviewers screened the abstracts and titles, followed by full-text screening. Results After removing duplication, of the 1098 records, 14 were selected for analysis. This review examined various treatments for deep caries lesions in primary teeth, including indirect/direct pulp capping, pulpotomy, pulpectomy, lesion sterilization/tissue restoration, and extraction. Time search was restricted to documents published from 30th January 2008 to 30th January 2024, offering insights into evolving clinical practices. Conclusion Treatment for carious lesions in primary teeth involving the pulp depends on clinical indications and may involve minimally invasive techniques. Recommended options are indirect pulp capping, pulpotomy, and pulpectomy, while direct capping and tooth removal are discouraged. Further research is needed to address gaps, improve guideline development, and enhance consistency of recommendations.