I have a severe under and cross bite combo. i have dentures and they fit worse as my jaw hurts as it seems 2 migrate to the left just in last 8 years.

Examination: You did not ask a question, but if you are uncomfortable, see a local dentist for an examination.

See a periodontist: without a doubt that there is a 95% increase in the quality of life of implant-supported dentures, over traditional dentures. See a periodontist for consultation if you are a good candidate. Good luck.

Class III: If you have a severe underbite and cross-bite, you probably have a skeletal Class III malocclusion (bad bite) with a size differential error between upper and lower jaws. Consider seeing a Prosthodontist, a specialist in tooth replacement, and an Oral Surgeon, a specialist in jaw realignment. Together they will probably be able to provide you with the best resolution.