Objective assessment of patient compliance with removable orthodontic appliances: a cross-sectional cohort study.

Tsomos, George; Ludwig, Björn; Grossen, Johannes; Pazera, Pawel; Gkantidis, Nikolaos (2014). Objective assessment of patient compliance with removable orthodontic appliances: a cross-sectional cohort study. Angle orthodontist, 84(1), pp. 56-61. Angle Orthodontists Research and Education Foundation 10.2319/042313-315.1

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OBJECTIVE To assess objectively patient compliance with removable orthodontic appliances and the effect of possible influential factors. MATERIALS AND METHODS Wearing times of 45 White patients were recorded with the aid of the TheraMon microsensor. Patient compliance was assessed relative to wear prescription and other parameters, such as age and sex. RESULTS There was high individual variation in most measured variables and in all groups/subgroups. During a median observation period of 186 days (range, 55-318 days) the actual wear time was 9.0 h/d (range, 0.0-16.0 h/d) and did not differ between distinct prescriptions (P = .49). Eight patients wore their appliances less than 2 h/d, and six of them did not wear their appliances at all. Overall, the median wear per day relative to prescription was 62.5% (range, 0.0-89.3%) for the 14 h/d and 112.5% (range, 0.0-200.0%) for the 8 h/d prescription wear (P = .01) groups. There was a strong negative correlation of age (median: 12.5 years) with the daily percentage of actual wear time per day relative to wear prescription (14 h/d prescription: n = 21, rho = -0.61, P = .00; 8 h/d prescription: n = 24, rho = -0.73, P = .00), while sex did not exert a significant influence on compliance (P = .58). CONCLUSIONS Despite the fact that patients and parents were informed about wear time recording, compliance was insufficient with regard to functional treatment (14 h/d prescription), while it was sufficient for retention purposes (8 h/d prescription). Objective measures are necessary to assess compliance with removable orthodontic appliances since patient compliance is a highly variable issue.

Item Type:

Journal Article (Original Article)

Division/Institute:

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

UniBE Contributor:

Grossen, Johannes; Pazera, Pawel and Gkantidis, Nikolaos

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0003-3219

Publisher:

Angle Orthodontists Research and Education Foundation

Language:

English

Submitter:

Eveline Carmen Schuler

Date Deposited:

25 Nov 2014 14:42

Last Modified:

25 Jan 2017 12:15

Publisher DOI:

10.2319/042313-315.1

PubMed ID:

23834273

Uncontrolled Keywords:

Patient compliance, Removable orthodontic appliances, TheraMon

BORIS DOI:

10.7892/boris.60516

URI:

https://boris.unibe.ch/id/eprint/60516

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