1. Long H, Zhou Y, Pyakurel U, Liao L, Jian F, Xue J et al. Comparisonof adverse effects between lingual and labial orthodontic treatment.Angle Orthod 2013;83:1066-73.10.2319/010113-2.1
2. Sandhu SS, Sandhu J. Effect of physical activity level on orthodonticpain perception and analgesic consumption in adolescents. Am JOrthod Dentofacial Orthop 2015;148:618-27.10.1016/j.ajodo.2015.04.037
4. Sandhu SS, Sandhu J. A randomized clinical trial investigating painassociated with superelastic nickel—titanium and multistrandedstainless steel archwires during the initial leveling and aligning phaseof orthodontic treatment. J Orthod 2013;40:276-85.10.1179/1465313313Y.0000000072
6. Ngan P, Kess B, Wilson S. Perception of discomfort by patientsundergoing orthodontic treatment. Am J Orthod DentofacialOrthop 1989;96:47-53.10.1016/0889-5406(89)90228-X
10. Dominguez A, Velasquez SA. Effect of low-level laser therapy on painfollowing activation of orthodontic final archwires: a randomizedcontrolled clinical trial. Photomed Laser Surg 2013;31:36-40.10.1089/pho.2012.336023240876
12. Farias RD, Closs LQ, Miguens SA Jr. Evaluation of the use of low-level laser therapy in pain control in orthodontic patients: A randomized split-mouth clinical trial. Angle Orthod 2016;86:193-8.10.2319/122214-933.1
15. Artés-Ribas M, Arnabat-Dominguez J, Puigdollers A. Analgesic effect of a low-level laser therapy (830 nm) in early orthodontic treatment. Lasers Med Sci 2013;28:335-41.10.1007/s10103-012-1135-y
16. Abtahi SM, Mousavi SA, Shafaee H, Tanbakuchi B. Effect of low-level laser therapy on dental pain induced by separator force in orthodontic treatment. Dent Res J 2013;10:647-51.
17. Heravi F, Moradi A, Ahrari F. The effect of low level laser therapy on the rate of tooth movement and pain perception during canine retraction. Oral Health Dent Manag 2014;13:183-8.
19. Zhao X, Cui L, Wang W, Su Q, Li X, Wu J. Influence of psychological intervention on pain and immune functions of patients receiving lung cancer surgery. Pak J Med Sci 2016;32:155-9.
20. Higgins JP. Assessing Risk of Bias in Included Studies. In: Higgins JPT, Green S, eds. Cochrane Handbook for Systematic Reviews of Interventions: Cochrane Book Series. Chichester: John Wiley& Sons, Ltd, 2008;187-241.10.1002/9780470712184
21. Bartlett BW, Firestone AR, Vig KW, Beck FM, Marucha PT. The influence of a structured telephone call on orthodontic pain and anxiety. Am J Orthod Dentofacial Orthop 2005;128:435-41.10.1016/j.ajodo.2004.06.03316214624
22. Cozzani M, Ragazzini G, Delucchi A, Barreca C, Rinchuse D J, Servetto R et al. Self-reported pain after orthodontic treatments: a randomized controlled study on the effects of two follow-up procedures. Eur J Orthod 2016;38:266-71.10.1093/ejo/cjv032491489826070922
23. Huang R, Wang J, Wu D, Long H, Yang X, Liu H et al. The effects of customised brainwave music on orofacial pain induced by orthodontic tooth movement. Oral Dis 2016;22:766-74.10.1111/odi.1254227417074
24. Keith DJ, Rinchuse DJ, Kennedy M, Zullo T. Effect of text message follow-up on patient’s self-reported level of pain and anxiety. Angle Orthod 2013;83:605-10.10.2319/091812-742.1875402523210546
26. Xu X, Zhang L, Jiang Y, Huang Y, Huang S, Yang S. [Clinical research of music in relieving orthodontic pain]. West China J Stomatol 2013;31:365-8. Chinese.
27. Xue D, Gong Z, Fu X, He X. Study on the effect of follow-up procedures to reduce self-reported pain after orthodontic treatments. Mod Med J 2017;45:1748-51
28. Zhang L, Xu X, Song S, Yang S. Influence of psychological interventions on orthodontic treatment pain experienced by patients of different sexes. Int J Stomatology 2014;41:396-400
29. Zheng Q, Zhang L H, Huang L, Wang G, Yuan X, Xu X. [Effects of different psychological interventions on relieving orthodontic pain in patients with different personalities: a preliminary study]. Shanghai J Stomatol 2016;25:91-6. Chinese..
31. Bergius M, Kiliaridis S, Berggren U. Pain in orthodontics. A review and discussion of the literature. J Orofac Orthop 2000;61:125-37.10.1007/BF0130035410783564
32. Fleming PS, Lynch CD, Pandis N. Randomized controlled trials in dentistry: common pitfalls and how to avoid them. J Dent 2014;42:908-14.10.1016/j.jdent.2014.06.00424930873