What is Reviv?
Reviv is a biomechanics-based, decompression mouthguard designed to relieve clenching, realign bite, improve jaw mobility, and support facial symmetry.
What is ShockDoctor?
ShockDoctor is primarily a sports mouthguard brand. Their Gel Max Power model, for instance, is built for impact protection in contact sports.
Comparison Chart
Compare everything at a glance, including pricing and perks.
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| Primary Function | Bite realignment & TMJ relief | Impact protection (Sports) |
| Optimized for Sleep? |
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| Jaw Decompression? |
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| Ease of Daytime Wear |
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| Sports Impact Protection? |
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| Wear Schedule | Overnight + 1-2 hours day | During physical activity only |
| Profile/Bulkiness | Slim/Low-bulk | Bulky/High-profile |
| Protects Against Grinding? |
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Use Reviv if…
If you clench / grind at night
If you have TMJ discomfort or want to improve

jaw rest position
If you’re focused on long-term structure & alignment,

not just protection
Use ShockDoctor if…
In contact sports

(boxing, hockey, football)
When you need a guard that can absorb

very high-impact hits
For athletes who need a

high-performance sport-specific guard
Medical-grade, biocompatible materials, designed for long-term wear.
Built with gel and reinforced frame – safety tested for sports impact.