
Mouth guards are dental appliances that fit over the teeth and are used for a variety of purposes, from preventing tooth damage from grinding and clenching (bruxism) to treating sleep apnea. They can be store-bought or custom-made by a dentist. Sleep apnea mouth guards work by moving the lower jaw forward and keeping the airway open, making it harder for the skin at the back of the throat to collapse over the airway. Tongue-retaining devices (TRDs) are another type of mouth guard that holds the tongue forward to prevent it from blocking the airway. While mouth guards are a popular treatment option for sleep apnea, they are not for everyone and are generally recommended for mild to moderate cases.
How Does Sleep Guard Work?
| Characteristics | Values |
|---|---|
| Purpose | Treat sleep apnea, prevent teeth grinding, protect mouth from sports-related injuries |
| Types | Boil-and-bite, dual laminate, thermoplastic, EVA, mandibular advancement device (MAD), tongue-retaining device (TRD), oral splint, custom-made, store-bought |
| Mechanism | Moves the lower jaw forward, holds the tongue in place, adjusts the position of the jaw or tongue, widens dental arches |
| Candidates | People with mild to moderate OSA, people who snore but do not have OSA, people with severe OSA who did not respond well to or do not want CPAP therapy |
| Side Effects | TMJ pain, soreness in teeth, gums or jaw |
| Cost | Simple mouth guards can cost under $100, while customized solutions may cost thousands |
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What You'll Learn

Sleep guards for sleep apnea
Sleep apnea is a condition that occurs when a person temporarily stops breathing while asleep. This can prevent the brain from receiving enough oxygen, increasing the risk of heart disease and stroke. It can also cause excessive snoring and grogginess the next day.
There are two main types of sleep apnea mouth guards: mandibular advancement devices (MADs) and tongue-retaining devices (TRDs). MADs are plastic mouth guards that cover the upper and lower teeth, moving the lower jaw forward to open the airway. They can be one-piece or two-piece devices, with the latter providing more flexibility but less rigidity. TRDs, on the other hand, use suction to hold the tongue in a forward position, preventing it from falling back into the airway. TRDs may be an option for those who cannot use MADs due to dental issues or other reasons.
While sleep apnea mouth guards are simple to use and often effective, they may not be suitable for all cases. For instance, individuals with severe OSA or very low blood oxygen levels may require more immediate and effective treatments such as CPAP therapy. Additionally, certain dental conditions, such as gum disease or the use of teeth realignment devices, may preclude the use of MADs. It is important to consult with a healthcare provider to determine if oral appliance therapy is appropriate and to ensure proper guidance and monitoring.
Custom-fitted oral appliances made by a qualified dentist in collaboration with an individual's doctor are generally more effective at treating sleep apnea. However, over-the-counter options are also available, providing a more affordable but less customizable alternative. Side effects from using sleep apnea mouth guards are typically mild and temporary, resolving within the first few months of use.
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Custom-fit vs over-the-counter
If you need a mouth guard, you have two options: custom-fit or over-the-counter. Both options have their own advantages and disadvantages.
Custom-fit mouth guards are made specifically for your unique mouth and teeth shape. They are created by taking an impression or a scan of your teeth to get the best possible fit. A custom-fit guard will also be designed with your specific symptoms and medical history in mind. This option is generally considered to be the best choice in terms of fit, comfort, and protection. A custom-fit guard will be made from a mould of your teeth, which is then sent to a laboratory to create the final product. This process ensures that the guard fits perfectly and securely, reducing the risk of tissue damage, teeth movement, and choking hazards associated with over-the-counter guards. Custom-fit guards are particularly recommended for those with TMJ pain and discomfort, or even asymptomatic clicking or popping in the jaw. They are also suggested for patients with bone loss and recession.
Custom-fit guards are typically created and sold by dentists, and they can cost anywhere from $100 to $1,000 depending on the materials used and the amount of material needed. However, your dental plan might cover or partially cover the cost.
Over-the-counter mouth guards, on the other hand, are more readily available and can be purchased online or at pharmacies and stores. They are also much more affordable. Over-the-counter guards come in two types: one-size-fits-all and boil-and-bite. The one-size-fits-all variety is designed to fit most mouth types, while the boil-and-bite guard is softened with heat and then bitten into to create a custom shape. Newer options, such as the SleepRight Dental Guard, feature self-adjust technology with two bite pads that can be adjusted to fit your mouth.
While over-the-counter guards are more convenient and affordable, they may not be as comfortable or precise as custom-fit guards. They also may not be suitable for severe cases of teeth grinding and may not last as long. Additionally, over-the-counter guards can be purchased without a confirmed diagnosis or treatment supervision, which can be concerning.
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Side effects and considerations
Sleep guards, also known as mouth guards or oral appliances, are devices used to treat conditions such as teeth grinding, snoring, and sleep apnea. They work by repositioning the jaw, tongue, or soft palate to keep the airway open during sleep, improving breathing and reducing snoring. While sleep guards offer many benefits, there are also some side effects and considerations to keep in mind.
One of the most common side effects of sleep guards is minor discomfort and irritation when first starting to use them. This initial discomfort is usually mild and temporary, lasting from a few days to two weeks, as the mouth adjusts to the presence of the guard. It is recommended to start by wearing the guard for shorter periods and gradually increasing the duration to help the mouth adjust.
Another potential side effect is jaw pain or misalignment. A poorly fitted sleep guard can put uneven pressure on the jaw, potentially shifting its alignment and causing pain or discomfort. This issue may start as a short-term problem but can become long-term if not addressed promptly. It is important to work with a dentist or healthcare provider to ensure the proper fit and make adjustments as needed.
Sleep guards can also cause increased salivation, gum irritation, and changes in the bite or movement of teeth. These side effects are typically mild and may improve over time as the user adjusts to the appliance. However, it is important to consult a dentist or healthcare provider to address any concerns and ensure the appliance is properly fitted.
While sleep guards can be effective for mild to moderate sleep apnea, they may not be suitable for severe cases. In such cases, Continuous Positive Airway Pressure (CPAP) therapy is often considered the gold standard for treatment. CPAP machines deliver pressurized air to keep the airway open and are more effective in improving airflow and increasing blood oxygen levels. However, some people find CPAP machines challenging to use due to side effects such as dry sinuses and airways, discomfort, and the requirement to sleep on the back.
Additionally, it is important to consider the type of sleep guard used. Store-bought or over-the-counter sleep guards may be less effective and comfortable than custom-made guards created by a dentist. Custom-made guards are designed to fit the unique dental anatomy of the user, providing better protection and comfort. However, custom-made guards may be more expensive and require consultation with a dentist or healthcare provider.
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Night guards for teeth grinding
Night guards, also known as mouth guards, are dental appliances that can be used to treat teeth grinding, also known as bruxism. Teeth grinding is a common condition that affects over 20% of the American population and can occur during sleep or while awake. It can lead to several issues, such as dental damage, jaw pain, headaches, and chipped teeth.
Night guards act as a protective barrier between the teeth, absorbing the forces generated by teeth grinding and clenching. By doing so, they prevent excessive wear on the tooth enamel, reducing the risk of tooth damage and associated complications. They may also help to reduce the effects of TMJ disorders, which can cause jaw pain, headaches, and facial pain.
There are two main types of night guards: custom-made and store-bought. Custom-made night guards are crafted to fit the unique dental structure of an individual and are typically created by a dentist using dental impressions. These guards tend to be more comfortable and effective in protecting against teeth grinding. Store-bought night guards, on the other hand, include stock guards that are ready to wear out of the box, and boil-and-bite guards that can be slightly customized at home. While store-bought guards are more affordable, they may not provide the same level of protection as custom-made guards.
When deciding to use a night guard, it is important to consult with a dentist to ensure proper fitting and to address any underlying dental issues. Additionally, regular dental check-ups are recommended to allow dentists to inspect the night guard for any signs of wear or damage.
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Sports mouth guards
Sports mouthguards are an essential piece of safety equipment for athletes, particularly those participating in high-impact sports or activities with a significant risk of facial trauma. Mouthguards help protect the teeth, jaws, and head from potential injury and reduce the severity of concussions by absorbing and dispersing impact forces.
There are several types of sports mouthguards available, each designed to provide the necessary level of protection for specific sports. For example, Level 1 mouthguards, with a thickness of 3.0mm and a single layer, are suitable for children with mixed dentition. In contrast, Level 5 mouthguards, at 5.0mm with two layers and special power bands, are designed for sports like baseball, football, and martial arts, which involve high-impact forces and require maximum protection.
When selecting a sports mouthguard, it is essential to consider the fit, comfort, and protection it offers. Custom mouthguard companies like GuardLab utilise 3D scanning and printing technologies to create mouthguards tailored to individual athletes, ensuring optimal protection, performance, and comfort. This level of customisation is especially important for athletes with braces or other orthodontic treatments, as it ensures the mouthguard fits securely and does not interfere with the braces' function.
In addition to the level of protection, mouthguards can also be customised with features like flavour, which enhances the user experience, and slim designs, which improve speech during the game. The Shock Doctor, for instance, offers mouthguards renowned for their superior quality, advanced technology, and cutting-edge design, making them a top choice for athletes in various high-impact sports.
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Frequently asked questions
A sleep guard is a dental appliance that fits over your teeth. It is used to treat sleep apnea and teeth grinding.
Sleep guards work by moving the lower jaw forward and keeping the airway open. They also help reduce the pressure on the jaw joint and promote muscle relaxation.
The most common materials used for sleep guards include acrylic plastic, vinyl, and thermoplastic materials.
Yes, there are several types of sleep guards, including soft night guards, dual laminate night guards, thermoplastic night guards, EVA night guards, and boil-and-bite guards.
You can get a sleep guard from a dentist, who will take a mold of your teeth to create a custom-fitted appliance. Over-the-counter sleep guards are also available, but they are less customizable and may not be as effective.











































