References
- Littlewood S, Millett D, Doubleday B, Bearn D, Worthington H. Retention procedures for stabilising tooth position after treatment with orthodontic braces. Cochrane Database Systematic Rev. 2016;1; Art. No.: CD002283.
- Meade M, Dreyer C. A survey of retention and retainer practices of orthodontists in Australia. Aust Orthod J 2019;35:174–83.
- Singh P, Grammati S, Kirschen R. Orthodontic retention patterns in the United Kingdom. J Orthod 2009;36:115–21.
- Meade M, Millett D. Retention protocols and use of vacuum-formed retainers among specialist orthodontist. J Orthod 2013;40:318–25.
- Al-Jewair T, Hamidaddin M, Alotaibi H, Alqahtani N, Albarakati S, Alkofide E, et al. Retention practices and factors affecting retainer choice among orthodontists in Saudi Arabia. Saudi Med J 2016;37:895–901.
- Lustig J, Rossouw P, Buschang P, Behrents R, Woody R. Assessment of postorthodontic occlusal contacts with wrap-around and clear overlay retainers. Semin Orthod 2017;23:166–77.
- Hoybjerg A, Currier G, Kadioglu O. Evaluation of 3 retention protocols using the American Board of Orthodontics cast and radiograph evaluation. Am J Orthod Dentofacial Orthop 2013;144:16–22.
- Kumar A, Bansal A. Effectiveness and acceptability of Essix and Begg retainers: a prospective study. Aust Orthod J 2011;27:52–6.
- Ponitz R. Invisible retainers. Am J Orthod 1971;59:266–72.
- Lindauer S, Shoff R. Comparison of Essix and Hawley retainers. J Clin Orthod 1998;32:95–7.
- Zhu Y, Lin J, Long H, Ye N, Huang R, Yang X, et al. Comparison of survival time and comfort between 2 clear overlay retainers with different thicknesses: A pilot randomized controlled trial. Am J Orthod Dentofacial Orthop 2017;151:433–9.
- Forde K, Storey M, Littlewood S, Scott P, Luther F, Kang J. Bonded versus vacuumformed retainers: a randomized controlled trial. Part 1: stability, retainer survival, and patient satisfaction outcomes after 12 months. Eur J Orthod 2018;40:387–98.
- Jin C, Bennani F, Gray A, Farella M, Mei L. Survival analysis of orthodontic retainers. Eur J Orthod 2018;40:531–6.
- Ryokawa H, Miyazaki Y, Fujishima A, Miyazaki T, Maki K. The mechanical properties of dental thermoplastic materials in a simulated intraoral environment. Orthod Waves 2006;65:64–72.
- Gracco A, Mazzoli A, Favoni O, Conti C, Ferraris P, Tosi G, et al. Short-term chemical and physical changes in Invisalign appliances. Aust Orthod J 2009;25:34.
- Bradley T, Teske L, Eliades G, Zinelis S, Eliades T. Do the mechanical and chemical properties of Invisalign appliances change after use? A retrieval analysis. Eur J Orthod 2016;38:27–31.
- Fang D, Zhang N, Chen H, Bai Y. Dynamic stress relaxation of orthodontic thermoplastic materials in a simulated oral environment. Dent Mater J 2013;32:946–51.
- Lijima M, Kohda N, Kawaguchi K, Muguruma T, Ohta M, Naganishi A, et al. Effects of temperature changes and stress loading on the mechanical and shape memory properties of 52 thermoplastic materials with different glass transition behaviours and crystal structures. Eur J Orthod 2015;37:665–70.
- Kohda N, Lijima M, Muguruma T, Brantley W, Ahluwalia K, Mizoguchi I. Effects of mechanical properties of thermoplastic materials on the initial force of thermoplastic appliances. Angle Orthod 2013;83:476–83.
- Raja T, Littlewood S, Munyombwe T, Bubb N. Wear resistance of four types of vacuum-formed retainer materials: a laboratory study. Angle Orthod 2014;84:656–64.
- Gardner G, Dunn W, Taloumis L. Wear comparison of thermoplastic materials used for orthodontic retainers. Am J Orthod Dentofacial Orthop 2003;124:294–7.
- Zhang N, Bai Y, Ding X, Zhang Y. Preparation and characterization of thermoplastic materials for invisible orthodontics. Dent Mater J 2011;30:954–9.
- Hichens L, Rowland H, Williams A, Hollinghurst S, Ewings P, Clark S, et al. Cost-effectiveness and patient satisfaction: Hawley and vacuum-formed retainers. Eur J Orthod 2007;29:372–8.
- Moslemzadeh S, Sohrabi A, Rafighi A, Ghojazadeh M, Rahmanian S. Comparison of survival time of Hawley and vacuum-formed retainers in orthodontic patients-a randomized clinical trial. ABCmed 2017;5:7–15.
- Årtun J, Spadafora A, Shapiro P. A 3-year follow-up study of various types of orthodontic canine-to-canine retainers. Eur J Orthod 1997;19:501–9.
- Align Technology Inc. Vivera® Retainers. Keep you brand-new smile beautiful. CA, USA. 2020 [cited July 2020]; Available at: https://www.invisalign.com/the-invisalign-difference/vivera-retainers.
- Alexandropoulos A, Al Jabbari Y, Zinelis S, Eliades T. Chemical and mechanical characteristics of contemporary thermoplastic orthodontic materials. Aust Orthod J 2015;31:165–70.
- Sauget E, Covell D Jr, Boero R, Lieber W. Comparison of occlusal contacts with use of Hawley and clear overlay retainers. Angle Orthod 1997;67:223–30.
- Shuman L. Orthodontic retainers: the new reality. Inside Dentistry 2009;5:84.
- Alassiry A. Orthodontic Retainers: A Contemporary Overview. J Contemp Dent Prac 2019;20:858–62.
- Little R. The irregularity index: a quantitative score of mandibular anterior alignment. Am J Orthod 1975;68:554–63.
- Cignoni P, Callieri M, Corsini M, Dellepiane M, Ganovelli F, Ranzuglia G. MeshLab: an Open-Source Mesh Processing Tool. Sixth Eurographics Italian Chapter Conference 2008. p. 129–36.
- Gill D, Naini F, Jones A, Tredwin C. Part-time versus full-time retainer wear following fixed appliance therapy: a randomized prospective controlled trial. World J Orthod. 2007;8:300–6.
- Jäderberg S, Feldmann I, Engström C. Removable thermoplastic appliances as orthodontic retainers — a prospective study of different wear regimens. Eur J Orthod 2012;34:475–9.
- Sun J, Yu Y, Liu M, Chen L, Li H, Zhang L, et al. Survival time comparison between Hawley and clear overlay retainers: a randomized trial. J Dent Res 2011;90:1197–201.
- Scheu. Product datasheet DURAN® 2020: [cited July 2020]. Available at: http://products.scheu-dental.com/documents/5000/1-DOC/0/0/0/0/3/Datasheet-DURAN_plus_Original_3056.pdf.
- Align Technology Inc. MSDS for Invisalign Appliance Materials - EX15, EX30 and EX40. ECO No: SJ003732 [serial on the Internet]. 2020: [cited July 2020]. Available at: https://c3-preview.prosites.com/242082/wy/docs/MSDS_Aligner_Material_EX30_Vivera_Templates.pdf.
- Tynelius E, Bondemark L. A randomized controlled trial of three orthodontic retention methods in Class I four premolar extraction cases - stability after 2 years in retention. Orthod Craniofac Res 2013;16:105–15.
- Rowland H, Hichens L, Williams A, Hills D, Killingback N, Ewings P, et al. The effectiveness of Hawley and vacuum-formed retainers: a single-center randomized controlled trial. Am J Orthod Dentofacial Orthop 2007;132:730–7.
- Aslan B, Dincer M, Salmanli O, Qasem M. Comparison of the effects of modified and full-coverage thermoplastic retainers on occlusal contacts. Orthodontics (Chic) 2013;14:198–208.
- Dincer M, Aslan B. Effects of thermoplastic retainers on occlusal contacts. Eur J Orthod 2010;32:6–10.
- Varga S, Spalj S, Milosevic S, Varga M, Mestrovic S, Trinajstic Zrinski M, et al. Changes of bite force and occlusal contacts in the retention phase of orthodontic treatment: A controlled clinical trial. Am J Orthod Dentofacial Orthop 2017;152:767–77.
- Alkan Ö, Kaya Y, Keskln S. Computerized occlusal analysis of Essix and Hawley retainers used during the retention phase: a controlled clinical trial. J Orofac Orthop 81:371–81.
- Kara B, Yilmaz B. Occlusal contact area changes with different retention protocols: 1-year follow-up. Am J Orthod Dentofacial Orthop 2020;157:533–41.
- Sheridan J, Armbruster P, Moskowitz E, Nguyen P. Avoiding demineralization and bite alteration from full-coverage plastic appliances. J Clin Orthod 2001;35:444–8.
- Ferrario V, SForza C, Serrao G, Dellavia C, Tartaglia G. Single tooth bite forces in healthy young adults. J Oral Rehabil 2004;31:18–22.
- Bakke M. Bite force and occlusion. Semin Orthod 2006;12:120–6.
- Giancotti A, Garino F, Mampieri G. Use of clear aligners in open bite cases: an unexpected treatment option. J Orthod 2017;44:114–25.
- Shawesh M, Bhatti B, Usmani T, Mandall N. Hawley retainers full- or part-time? A randomized clinical trial. Eur J Orthod 2010;32:165–70.
- Thickett E, Power S. A randomized clinical trial of thermoplastic retainer wear. Eur J Orthod 2010;32:1–5.