Abstract
The objective of this study was to determine the effect of wearing a mouthguard on
maximal exercise capacity and cardiopulmonary parameters at peak workload, and to
assess the athletes' attitudes toward wearing a mouthguard. Thirteen volunteer male
athletes (18 to 27 years old) were interviewed before and after delivery of a custom-made
laminated mouthguard. A visual analogue scale (VAS, 0 - 100 mm) was used for judgment
of interference with breathing, speaking, concentration and athletic performance.
In addition, the athletes were subjected to a cardiorespiratory examination on a cycle
ergometer with and without mouthguards. Subjectively, the athletes rated the mean
interference with performance to be 37 mm VAS at the beginning of the study. Mean
scores of impairment decreased to 23 mm VAS (p = 0.081) after wearing the mouthguard
for four weeks, and further improved to 12 mm VAS (p < 0.001) after the test on the
cycle ergometer. Objectively, the maximum workload during spiroergometry was even
slightly elevated during exercise with the mouthguard (330.2 W) compared to exercise
without the mouthguard (314.5 W). Peak minute ventilation and oxygen uptake were not
different during exercise with and without the mouthguard. The present study demonstrated
that a custom-made mouthguard does not significantly affect or reduce maximum exercise
performance of athletes.
Key words
spiroergometry - exercise capacity - mouthguard - athlete - breathing - performance
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PD Dr. med. dent. Thomas von Arx
Department of Oral Surgery and Stomatology
University of Bern
Freiburgstrasse 7
3010 Bern
Switzerland
Telefon: + 41 3 16 32 25 66
Fax: + 41 3 16 32 25 03
eMail: thomas.vonarx@zmk.unibe.ch