This is one of the ways to treat TMJ pain and clicking. This type of splints is called positioning splints as it positions the mandible when biting in a specific location decided by the treating doctor. So it is booleaned from the upper teeth and from the lower teeth in the specific location
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Very cool. I assume the skull is a CT scan, right?
Yes it is a CT scan segmented model. To tell you the truth this splint should be designed on optical impression of the patient teeth not on X-rays but I could not find one at the time I started drawing and it will be the same designing procedures
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For precise design of bite splint it is much better to use ExoCad. In my opinion, Optical Scan of the whole jaw is still not accurate enough.
I am used to use blender for dental in fabrication of such splints. I make an impression pour it into a model then I use model scanner to make it digital. Intracranial optical scan is time and effort consuming and actually the bite is the one which is most of the time not accurate
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Intra oral not intracranial sorry