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Quintessence Publishing: Journals: ORTHODONTICS
The Art and Practice of Dentofacial Enhancement

Formerly World Journal of Orthodontics

Edited by
Rafi Romano, DMD, MSc (Editor-in-Chief)

ISSN 2160-2999 (print) / ISSN 2160-3006 (online)

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Winter 2010
Volume 11 , Issue 4

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Patients’ Report Of Discomfort And Pain During Debonding Of Orthodontic Brackets: A Comparative Study Of Two Methods

Thiene Silva Normando, DDS, MS/Flávio Siqueira Calçada, DDS, MS/Weber José da Silva Ursi, DDS, MS, PhD/David Normando, DDS, MS, PhD

PMID: 21490985

Aim: To examine the level of discomfort and pain reported by patients during debonding of orthodontic metallic brackets by comparing two of the most popular methods, since discomfort can negatively influence patients’ motivation to undergo orthodontic treatment. Methods: This split-mouth designed study involved 37 patients. Two methods were used for bracket removal: a lift-off debonding instrument and a ligature-cutting plier. The level of discomfort during debonding was evaluated on a scale of 0 to 4; The Adhesive Remnant Index (ARI) was taken into consideration, as well. Comparison between the methods was statistically analyzed by using the Wilcoxon signed rank and chi-squared tests (P < .05). Results: Regarding the remnant adhesive, no significant difference was observed between the methods. Patients’ reports of pain (score ≥ 2) were observed in 24.3% of teeth when the brackets were removed using a ligature-cutting plier, while there was a 12.8% report of pain when the lift-off instrument was employed (odds ratio [OR] = 2.17, P < .001, χ2= 17.7). Statistically significant lower scores for maxillary (P = .02) and mandibular central incisors (P = .02), maxillary lateral incisors (P = .02), mandibular canines (P = .00), and mandibular premolars (P = .00/.02) were reported when the lift-off instrument was employed. Conclusion: For the removal of orthodontic brackets, the lift-off instrument is better accepted by patients compared to the ligature cutting pliers, given that reports of pain are about two times lower with the former. The ARI was the same for both methods. World J Orthod 2010;11:e29–e34.

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