Inclusion Criteria:  Being systemically healthy, Signing the consent form, Having a single-rooted tooth diagnosed with asymptomatic apical periodontitis, -No pre-made restoration, no root canal treatment, no fractures or cracks in the tooth  Exclusion Criteria:  Not being systemically healthy, Not giving consent to the study, Presence of cracks, fractures, restorations in the relevant tooth, History of Raynaud's phenomenon