Can a Masseter Muscle Go Down on Its Own Without the Use of Botox if Hypertrophy Was Due to Clenching?

The masseter muscle will get smaller if you can stop clenching, but usually it's not something voluntary - especially clenching and teeth grinding during sleep.  For this reason many patients find Botox for masseter reduction a very effective way to eliminate these habits.  

Masseter muscles are like any other muscle, if not used will atrophy and get smaller. Usually clenching of the masseter muscles and grinding d teeth during sleep is not a voluntary act. If you can stop clenching the muscle, you masseter muscles will eventually become smaller and if you cannot, the there is Botox to weaken the muscle and also atrophy the muscle.