What is TMJ Disorder?
Contributed by DentalROIEvery time you talk, yawn, laugh and chew food, you use your temporomandibular joints. These are the joints that hinge or connect your lower jaw to your skull, which are operated by facial muscles. If you develop problems with your temporomandibular joints then these are known as temporomandibular joint disorders, called TMJ disorder or TMD for short.