Does dental insurance cover night guards?
A custom night guard prescribed to treat grinding or clenching is covered by many dental plans as a basic or major service — though some plans exclude it, and replacement is usually limited to once every few years.
What flips the answer
- Covered when
Your dentist prescribes a custom night guard to treat bruxism and your plan covers occlusal guards within its replacement-frequency limit.
- Not covered when
Your plan excludes occlusal guards, or you've already had one covered within the replacement window.
- Not covered when
The guard is part of TMJ treatment that your plan handles under separate TMJ rules or excludes.
A night guard (occlusal guard) is a custom appliance a dentist makes to protect teeth from bruxism — grinding and clenching during sleep. Because it treats a diagnosed condition, many dental plans cover it, paying a percentage of the allowed cost after any deductible or waiting period, up to the annual maximum.
Coverage isn't universal. Some plans exclude occlusal guards entirely or classify them in a way that pays little, and most cap how often they'll cover a replacement (commonly once every three to five years). A guard tied to TMJ (jaw joint) treatment may fall under separate TMJ provisions or be excluded altogether.
Over-the-counter guards aren't billed to insurance. Whether your custom night guard is covered, at what percentage, and how often it can be replaced is set out in your plan's schedule of benefits.
That's the general answer. Yours is written in your actual policy.
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