Performance of clear vacuum-formed thermoplastic retainers depending on retention protocol: a systematic review

Kaklamanos, EG; Kourakou, M; Kloukos, Dimitrios; Doulis, I; Kavvadia, S (2017). Performance of clear vacuum-formed thermoplastic retainers depending on retention protocol: a systematic review. Odontology, 105(2), pp. 237-247. Springer 10.1007/s10266-016-0254-5

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We aimed at comparing the performance of vacuum-formed thermoplastic retainers (VFR) worn either full-time or part-time, in maintaining orthodontic treatment results in terms of tooth alignment, arch form and occlusion. We reviewed randomized and prospective controlled clinical trials comparing VFR wearing protocols and searched databases, without restrictions, for published and unpublished literature. The risk of bias was assessed using the Cochrane Risk of Bias tool and the overall level of certainty in the evidence following ADA methodology. 184 studies were initially identified and reduced to the 3 randomized controlled trials included in the systematic review by means of specific criteria. One study followed patients 1 year into retention, and the other two for 6 months. Little's Irregularity Index, intermolar and intercanine width, arch length, overjet and PAR score did not differ significantly between the patients wearing their retainers part time or full time. We observed a slight increase in the overbite in the part-time group in only one trial. With a moderate level of certainty, we found that during the observation period, full-time VFR wear is not superior to part-time, bearing in mind the potential implications for health burden, retainer longevity and cost-effectiveness, as well as patient satisfaction and compliance.

Item Type:

Journal Article (Review Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Orthodontics

UniBE Contributor:

Kloukos, Dimitrios

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1618-1247

Publisher:

Springer

Language:

English

Submitter:

Renate Imhof-Etter

Date Deposited:

28 Mar 2018 16:37

Last Modified:

27 Feb 2019 09:16

Publisher DOI:

10.1007/s10266-016-0254-5

PubMed ID:

27270920

Uncontrolled Keywords:

Clear, Orthodontics, Retainers, Systematic review, Thermoplastic, Vacuum-formed

BORIS DOI:

10.7892/boris.112292

URI:

https://boris.unibe.ch/id/eprint/112292

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