Fig. 14
![Fig. 14](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40902-019-0224-2/MediaObjects/40902_2019_224_Fig14_HTML.png)
A patient who had temporary crown and bridge in the upper and lower arches complained of chronic headache and muscular fatigue due to persistent bruxism. The patient has been transferred from the prosthodontic department to our department for treatment of chronic headache, relief of bruxism symptoms, and reduction of occlusal force