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The project titled \u201cEffects of functional extracellular vesicles from SHEDs on the odontogenic differentiation of DPSCs\u201d was approved on 11 April 2024. Written informed consent was obtained from all human subjects. All animal procedures were approved by the Institutional Animal Care and Use Committee of Sun Yat-sen University (Approval No. SYSU-IACUC-2024-001046). The project titled \u201cStudy on the mechanism of LPS-preconditioned exosomes derived from SHEDs in alleviating inflammation in rat pulpitis\u201d was approved on 23 March 2024.","order":1,"name":"Ethics","label":"Ethics approval and consent to participate","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This manuscript is approved by all authors for publication.","order":2,"name":"Ethics","label":"Consent for publication","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare no competing interests.","order":3,"name":"Ethics","label":"Competing interests","group":{"name":"EthicsHeading","label":"Declarations"}}],"article-number":"275"}}