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Next generation antibacterial strategies for regenerative endodontic procedures: A scoping review
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International audience. Abstract Background The clinical results following regenerative endodontic procedures (REPs) vary according to numerous parameters, including the presence of bacteria. This limitation reduces the indications for REPs and calls for the development of next generation antibacterial strategies (NGAS) providing alternatives to current antibacterial strategies (CAS) such as double or triple antibiotic paste (DAP/TAP) and (Ca(OH)2). Objectives The present scoping review aims to describe the current trends regarding the use of such strategies and highlight future perspectives. Methods Four databases (PUBMed, Cochrane, ClinicalTrials and Science Direct) were searched until 1st May 2023. Results A total of 918 records were identified, 133 were screened and assessed for eligibility, and 87 articles were included. The findings show that (1) clinical studies are only available for CAS, (2) although next generation strategies are the most studied approach since 2017, they are all at the pre‐clinical stage, (3) most of the next generation strategies use galenic forms which offer cell support and colonization and which simultaneously contain antibacterial molecules as alternatives to CAS and to antibiotics in general, (4) standardization is required for future research, specifically regarding the bacterial strains studied, the use of biofilm studies and the cellular behaviour assessments. Conclusion Although NGAS are promising strategies to improve REPs in the context of infection, the current evidence is mostly limited to pre‐clinical studies. Further methodological improvement is required to allow relevant comparisons between studies and to reduce the time from bench to bedside.
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