Please choose the correct ending to complete the given sentence: Health: [header] How to treat tmj problems without surgery [title] See your dentist, who may prescribe physical therapy exercises. [step] There are a variety of exercises that can be used in the treatment of tmj problems. The main aim of these exercises is to make use of your jaw muscles and to increase the jaw's mobility without fear of pain.

Ending1: [substeps] These exercises are very nonsurgical and require little surgery. Knee braces or knee boards can be placed over the knee to prevent the joint from feeling sore and too stiff. Ending2: [substeps] You can do one open jaw exercise in each day. It's possible to only do one exercise, or multiple exercises, for example. Ending3: Talk to your dentist about the exercises that are especially important in this situation and if you are considering mouth surgery or other treatment options. [substeps] Front teeth socket exercises: these go on either side of the jaw and brush your teeth. Ending4: [substeps] Most exercises are focused on relaxing the muscles of your neck, your shoulders, and your jaw. Tension in any of these can worsen tmj pain.

Answer format: ending1/ending2/ending3/ending4