Clinical Evaluation and Comparison of Pain Acceptance of Different Types of Injection Systems

Inclusion Criteria: * Children aged 4-11 years * Bilateral maxillary primary molars with an indication for extraction * Not having taken any analgesics up to 12 hours before treatment * Not having used antibiotics in the last month * Teeth with at most 1/2 of the root physiologically resorbed * Systemically healthy children * Those who agreed to participate in the study * Those who scored 1-2-3-4 according to the Frankl behavior scale * Frankl 1: Patients who refuse treatment, cry, are extremely fearful or show signs of severe negative behavior * Frankl 2: Patients who are noncompliant, unwilling to receive treatment, show signs of unclear negative behavior, are sullen but do not express anxiety * Frankl 3: Patients who accept treatment, are compliant, shy, establish a relationship with the physician but approach it moderately * Frankl 4: Patients who cooperate with the physician, are curious about the treatment, smile and are happy with the environment (Frankl 1962) Exclusion Criteria: * If the infection has not spread beyond 1/3 of the root or furcation area * If the root formation of the permanent tooth below is not complete or 2/3 root formation is not formed * In the presence of dentigerous or follicular cysts * Teeth with excessive material loss * Teeth without permanent tooth germ underneath * Teeth with suspected malignancy * Children who are not systemically healthy * Patients with a previous history of allergy to local anesthetics * If the teeth to be extracted w…