Another concern during sleep apneic episodes, the person will waken and while this is occurring acid reflux occurs and stomach acid can go into the oral cavity. This can also irritate the esophagus, trachea, and cause upper respiratory irritation. Chronic acid reflux leads to increased dental disease.
There are many that have compromised airways, and when in deep sleep, the muscles are very relaxed, closing the airway. Bruxism is one way the body responds, much like a reflex to open airways during sleep. Please seek professional care from your dentist as chronic nightly bruxism is highly correlated with sleep disturbances.
Again great question and a very important topic related to dental health!
Dr. Joe Ferraro
Jay Freedman, DDS, FACD, FICD, FPFA
Dr. Hussein Shivji
So, in short, your husband needs to make an appointment with his dentist and/or MD. Over-the-counter mouth guards are not recommended as these often increase the grinding.
Jennifer Rankin, DDS