Comparation of the effectiveness of conventional needle irrigation and photon-induced photoacoustic streaming with sodium hypochorite in the treatment of teeth with apical periodontitis: a randomized clinical trial.

"Declarations Ethics approval and consent to partifipateEthics approval for the study was obtained from the Ethics Committee of Stomatology Affiliated Stomatology Hospital of Guangzhou Medical University (No. XJS202001). Informed consent was obtained from all the participants and/or their legal guardians. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This work was supported by funding from Guangzhou Medical University (Grant Number: 2017110045) and Department of science and technology of Guangdong Province (Grant Number: 2020B1111490004)."

"Ethics approval and Study Registration Approval for the investigation was obtained from the Ethics Committee of Stomatology Affiliated Stomatology Hospital of Guangzhou Medical University (No. XJS202001). The study was registered at the Chinese Clinical Trial Registry (ID: ChiCTR2000037446). Informed consent was obtained from all the participants and/or their legal guardians. All procedures performed involving human participants were in accordance with the ethical standards of the ethics committees and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards."