Ana sayfa Sorular ve Cevaplar Treatments Diagnosis and Treatment of Bruxism Does teeth grinding (bruxism) enlarge facial muscles? Does teeth grinding (bruxism) enlarge facial muscles? Updated on: April 30, 2026 Yes, the masseter muscle in particular can become more prominent over time. How did you find the answer? Happy Normal Sad Share the question: Can teeth grinding (bruxism) cause headaches?At what times of day is teeth grinding (bruxism) most common?