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The correlation between pain perception among patients with six different orthodontic archwires and the degree of dental crowding
Evgenija Marković, Janko Ferčec, Ivana Ščepan, Branislav Glišić, Nenad Nedeljković, Jovana Juloski, Rebeka Rudolf, 2015, original scientific article

Abstract: Introduction: Forces generated in orthodontic treatment with fixed appliances create tension and compression zones in the periodontal ligament resulting in a painful experience for patients. In the first phase of orthodontic treatment, when leveling of teeth is needed, nickel-titanium (NiTi) archwires can be completely engaged in brackets, even in the cases of extreme crowding, exerting small forces. There is a great individual variation in the pain perception related to the application of orthodontic forces. Objective: The aim of this study was to investigate the pain perception among patients with dental crowding after insertion of six different NiTi orthodontic archwires as a part of fixed appliances in the first stage of orthodontic treatment. Methods: The study was conducted on a sample of 189 orthodontic patients receiving one of six different either superelastic or heat activated NiTi archwires, in the first phase of orthodontic treatment. Pain perception was evaluated in groups of patients with different degree of crowding. The modified McGill Pain Questionnaire with Visual Analogue Scale was used to evaluate the quality and intensity of pain. Statistical analysis was performed using simple descriptive statistics, and Pearson`s chi-square test with statistical significance of p<0.05. Results: Majority of patients reported pain as discomfort or pressure of moderate intensity caused by chewing or biting, started within 12 hours, carried on for 3-4 days, and decreased over time without self-medication. Conclusion: No correlation was found between pain perception among patients with different types of NiTi archwires and the degree of crowding.
Keywords: nickel-titanium archwires, pain, dental crowding, orthodontics
Published: 04.08.2017; Views: 330; Downloads: 174
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