What Is an Occlusal Guard? Benefits of Custom Mouth Guards for Teeth Protection

September 25, 2026
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Waking up with a sore jaw or feeling that your teeth are accumulating more wear are common signs that something is happening while you sleep, without you even realizing it. In many cases, that something is bruxism, a condition characterized by chronic clenching and grinding during sleep.

An occlusal mouth guard is a custom-fitted oral device worn over the teeth during sleep that is designed to protect against the damage caused by grinding, clenching, and other repetitive bite forces.

What an Occlusal Mouth Guard Does

An occlusal guard is a mouthpiece-like oral appliance that provides a protective layer between the upper and lower teeth. While it doesn't stop the underlying urge to clench or grind, this prevents them from grinding directly against one another. In essence, an occlusal guard absorbs the force that would otherwise wear down, chip, or crack natural teeth over time.

Why Custom Mouth Guards Outperform Store-Bought Options

Custom mouth guards in Vienna, VA, are custom-fabricated from precise impressions or digital scans of your teeth. This precision allows for a secure, comfortable fit throughout every night. In contrast, off-the-shelf, boil-and-bite options rely on a generic, one-size-fits-most design, which often results in a bulkier or looser fit that’s more susceptible to shifting, which can compromise both comfort and protection.

Among patients who grind or clench their teeth, stress, misalignment, and a subconscious tic are the most common causes. Regardless of cause, resulting jaw soreness, headaches, or visible wear or flattening of teeth are all signs that an occlusal guard may be necessary.

Protecting Your Investment in Other Treatment

For patients who've invested in veneers, dental crowns, or other restorative work, an occlusal guard also helps protect those restorations from the same forces that can damage natural teeth. The best way to determine whether a custom occlusal guard is the right solution is a full professional evaluation of your bite, jaw function, and any visible signs of wear.

Quality Custom Mouth Guards in Vienna, VA

If jaw pain, headaches, or worn teeth have become a regular part of your mornings and you’re wondering whether a custom occlusal guard may help, contact Dr. Ardalan Sanati, Dr. Shohreh Shahram, and the friendly and experienced Tysons Dentistry team to schedule a consultation.