Inclusion Criteria:  Patients aged 8-10 years, systemically healthy, had undergone dental treatment (except for extraction) previously but with at least 1 week passed since then were compatible enough to undergo therapy in the clinic in a sitting position, had infection between the roots with a rate over 1/3, had 2/3 root formation, had been indicated for extraction of the maxillary primary molar teeth (55/65 No. teeth), did not have acute and/or subacute infection of the related or other teeth or mouth and surrounding tissues  Exclusion Criteria:  who scored above 41 in the state anxiety subscale and above 44 in the trait anxiety subscale of the Spielberger State-Trait Anxiety Scale (SSAS-SAAS) not meeting the inclusion criteria