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Prognostic validity of the Periapical and Endodontic Status Scale for the radiographically assessed 2-year treatment outcomes in teeth with apical periodontitis: a prospective clinical study

Crossref DOI link: https://doi.org/10.1186/s12903-021-01723-9

Published Online: 2021-07-19

Published Print: 2021-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Gudac, Jelena https://orcid.org/0000-0002-3262-5406
Hellén-Halme, Kristina https://orcid.org/0000-0001-9885-0019
Machiulskiene, Vita https://orcid.org/0000-0003-4417-3221
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Article History

Received: 3 March 2021

Accepted: 7 July 2021

First Online: 19 July 2021

Declarations

:

: The Kaunas Regional Ethical committee for Medical research approved the study (Permission to conduct a study—2016-12-20 Nr. BE-2-27. Protocol number—3, version 1). All procedures involving human participants were conducted in accordance with the Helsinki Declaration of 1975, as revised in 2013. All individual participants provided written informed consent before enrolled in the study.

: Not applicable.

: The authors declare that they have no competing interests.

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