The effect of various kinematics on postoperative pain after instrumentation: a prospective, randomized clinical study.
To evaluate various kinematic movements on postoperative pain using a Reciproc system.
Fifty-six molar teeth were divided into four groups according to kinematics as follows: continuous rotation, 360° CCW - 30° CW, 270° CCW - 30° CW, and 150° CCW - 30° CW. Preoperative and postoperative pain levels using visual analogue scale (VAS), percussion pain, and analgesic intake were recorded for each subject. Postoperative pain levels at 1, 3, 5, and 7 d were evaluated. Data were analyzed statistically using the Kruskal-Walis, Mann-Whitney-U, one-way analysis of variance, and chi-square tests (p=0.05).
Continuous rotation resulted in more pain at Day 1 when compared with the reciprocating groups (360° CCW - 30° CW and 270° CCW - 30° C) (p<0.05).
Continuous rotation resulted in more postoperative pain at Day 1 than in reciprocating groups, and thereafter no significant pain was found among the groups.
Ataturk University, Faculty of Dentistry, Department of Endodontics, Erzurum, Turkey.
Hakan
H
Arslan
Ataturk University, Faculty of Dentistry, Department of Endodontics, Erzurum, Turkey.
Ruslan
R
Khalilov
Ataturk University, Faculty of Dentistry, Department of Endodontics, Erzurum, Turkey.
Ezgi
E
Doğanay
Ataturk University, Faculty of Dentistry, Department of Endodontics, Erzurum, Turkey.
Ertugrul
E
Karatas
D000293:Adolescent; D000328:Adult; D000704:Analysis of Variance; D003762:Dental Instruments / Q000009:adverse effects*; D004867:Equipment Design; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010147:Pain Measurement; D010149:Postoperative Pain / Q000209:etiology*; D057234:Preoperative Period; D011446:Prospective Studies; D012390:Root Canal Therapy / Q000009:adverse effects* / Q000295:instrumentation*; D012399:Rotation; D018709:Statistics, Nonparametric; D013997:Time Factors; D016896:Treatment Outcome; D064232:Visual Analog Scale; D055815:Young Adult