Hello dear I understand your concern Your symptoms could be due to TMJ joint dysfunction ALS may cause TMJ joint dysfunction I would suggest to consult oral physician and undergo detailed examination, blood tests like CBC, ESR. CRP and MRI scan if needed. Doctor will five following advises: Tablet Etoricoxib + Thiocolchicoside after meal Tablet rantac before meal Application of diclofenac gel Hot fomentation and warm pad application Take soft diet and avoid excessive opening of mouth Gentle massage of muscle over jaw joint progressive toward neck Wear mouth guard/implant If problem persists then steroid injection will helpful Hope this may help you Contact further if follow up needed Best regards Dr. Sagar