Pain Perception With a Comfort-ın Jet Injection and Conventional Dental Injection

Among the children between the ages of 4 and 10 who were admitted to clinic between 2018-2020, whose clinical and radiographic examinations were completed; Patients with deciduous teeth that needed the same dental treatment (filling or amputation) with symmetrical local anesthesia application and positive (3) or definitely positive (4) according to the Frankl Behavior Evaluation Scale were included in the study. In study with a split-mouth design, infiltration anesthesia was applied with a conventional dental injector to one of the symmetrical teeth requiring the same treatment, while the Comfort-in jet injection system was applied to the other by the same physician. Patients were randomized into two grups according to the injection technique. Group1: Needle-free injection system(Comofrt-In) 2:Dental injection method. The pain intensity was assessed during anesthesia(Pain 1), during treatment(Pain 2), at the end of the treatment(Pain 3) and on the postoperative 1st day (Pain 4)by the specially 7 colors (white, yellow, green, blue, magenta, red, black) using the Wong-Baker facial expressions and pain grading scale.Anxiety levels were recorded using the Modified Children's Dental Anxiety Scale face version. The data were analyzed by IBM SPSS Statistics 19, the significance level was taken as p \<0.05.The datas were analyzed with a three-way variance method in repeated.