orofacial and jaw pain, which are products of jaw-clenching during the day and teeth-grinding at night. Experts collectively describe such behaviors as temporomandibular disorders (TMD), while teeth-grinding is also known as bruxism.A study from Tel Aviv University (TAU) in Israel finds that during the first lockdowns in Israel and Poland, there was a significant rise in TMD incidence.The study appears in the Journal of Clinical Medicine.