Concepts on functional appliances' mode of action.
Several working hypotheses have been conceived to explain the mode of action of various functional appliances. A review of the different concepts is presented and these concepts are tested by means of data from basic scientific research. Furthermore, a general concept is postulated that could unite the working principles of several functional appliances. Finally, the clinical relevance of scientific research in this area is evaluated.
Carels
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van der Linden
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D000202:Activator Appliances; D006801:Humans; D008310:Malocclusion / Q000628:therapy*; D009968:Orthodontic Appliances, Removable; D013314:Stress, Mechanical