Reviewed by the toothcheck Dental Team Independent dentist providing online second opinions.Reviewed by the toothcheck Dental Team Independent dentist providing online second opinions.

Do I Really Need a Night Guard? When It's Necessary and When It's an Upsell

If your dentist just handed you a quote for a custom night guard, you are probably wondering whether it is something your teeth genuinely need or just another line item. It is one of the most common recommendations in general dentistry, and it sits in an awkward middle ground: sometimes it is exactly the right call, and sometimes it is offered to almost everyone regardless of whether they show any signs of a problem.If your dentist just handed you a quote for a custom night guard, you are probably wondering whether it is something your teeth genuinely need or just another line item. It is one of the most common recommendations in general dentistry, and it sits in an awkward middle ground: sometimes it is exactly the right call, and sometimes it is offered to almost everyone regardless of whether they show any signs of a problem.

This guide walks through what a night guard actually does, what the different types cost, when a custom lab-made guard is clearly justified, and the specific red flags that suggest you are being upsold.This guide walks through what a night guard actually does, what the different types cost, when a custom lab-made guard is clearly justified, and the specific red flags that suggest you are being upsold.

Quick Answer

A night guard is genuinely necessary when there is objective evidence of a problem: documented tooth wear (attrition), fractured teeth or broken restorations, jaw muscle soreness or TMD symptoms, confirmed nighttime grinding, or valuable crown, veneer, or implant work that needs protecting. In those cases, a custom guard is a reasonable and often smart investment.A night guard is genuinely necessary when there is objective evidence of a problem: documented tooth wear (attrition), fractured teeth or broken restorations, jaw muscle soreness or TMD symptoms, confirmed nighttime grinding, or valuable crown, veneer, or implant work that needs protecting. In those cases, a custom guard is a reasonable and often smart investment.

It is more likely an upsell when your teeth show no visible wear, you have no symptoms, and the guard is offered as a routine "preventive" measure to everyone, or bundled in the same visit as other big-ticket work. If you have mild or occasional clenching and healthy teeth, an inexpensive over-the-counter guard is a perfectly reasonable first step. When a custom guard is packaged into a larger treatment plan, it is worth getting an independent second opinion before you commit.

What a Night Guard Actually Treats

A night guard, also called an occlusal guard or a bruxism splint, is a plastic appliance that fits over your upper or lower teeth. It does not stop you from grinding or clenching. What it does is put a protective layer between your upper and lower teeth so that the forces of grinding wear down the guard instead of your enamel and dental work.A night guard, also called an occlusal guard or a bruxism splint, is a plastic appliance that fits over your upper or lower teeth. It does not stop you from grinding or clenching. What it does is put a protective layer between your upper and lower teeth so that the forces of grinding wear down the guard instead of your enamel and dental work.

There are three problems it is typically used for:There are three problems it is typically used for:

• Bruxism (grinding) and clenching. This is the main reason guards are prescribed. Grinding and clenching during sleep can flatten, chip, and crack teeth over time. A guard absorbs and distributes that force.Bruxism (grinding) and clenching. This is the main reason guards are prescribed. Grinding and clenching during sleep can flatten, chip, and crack teeth over time. A guard absorbs and distributes that force.
• Protecting teeth and restorations. If you have invested in crowns, veneers, bridges, or implants, heavy grinding can crack porcelain or loosen restorations. A guard helps protect that work.Protecting teeth and restorations. If you have invested in crowns, veneers, bridges, or implants, heavy grinding can crack porcelain or loosen restorations. A guard helps protect that work.
• Managing some TMD symptoms. For some people with temporomandibular disorder, a guard can reduce jaw muscle soreness and morning headaches, though it is not a cure and results vary from person to person.Managing some TMD symptoms. For some people with temporomandibular disorder, a guard can reduce jaw muscle soreness and morning headaches, though it is not a cure and results vary from person to person.

According to the American Dental Association, bruxism is common and often linked to stress, sleep patterns, and bite issues, and occlusal splints are one of the recognized management approaches. The key word is management: a guard protects the teeth, it does not eliminate the underlying habit. The National Institute of Dental and Craniofacial Research offers a similarly measured view on TMD, emphasizing conservative, reversible treatments first.

Custom vs Over-the-Counter: What You Are Really Paying For

The single biggest source of confusion, and cost, is the difference between the types of guards available.The single biggest source of confusion, and cost, is the difference between the types of guards available.

Over-the-counter and boil-and-bite guards ($15 to $60). Sold at pharmacies and online, these are softened in hot water and molded to your teeth at home. They are bulky and wear out faster than custom guards, but for mild, occasional grinding with no existing damage, they are a legitimate low-risk way to test whether a guard helps you at all before spending hundreds of dollars.Over-the-counter and boil-and-bite guards ($15 to $60). Sold at pharmacies and online, these are softened in hot water and molded to your teeth at home. They are bulky and wear out faster than custom guards, but for mild, occasional grinding with no existing damage, they are a legitimate low-risk way to test whether a guard helps you at all before spending hundreds of dollars.

Dentist-ordered take-home impression kits ($100 to $200-ish). A middle option offered by some dentists and online providers. You take an impression at home, mail it in, and a lab fabricates a fitted guard. Better fit than boil-and-bite, lower cost than in-office custom.Dentist-ordered take-home impression kits ($100 to $200-ish). A middle option offered by some dentists and online providers. You take an impression at home, mail it in, and a lab fabricates a fitted guard. Better fit than boil-and-bite, lower cost than in-office custom.

Lab-fabricated custom guards ($300 to $800 or more in-office). Your dentist takes a precise impression or digital scan, and a dental lab makes a guard tailored to your bite. On insurance and billing paperwork you will often see these coded as CDT D9944 (hard occlusal guard), D9945 (soft occlusal guard), or D9946 (hard reline). These fit best, last longest, and are the appropriate choice when there is real damage or expensive dental work to protect. But you are paying a significant premium over the alternatives.Lab-fabricated custom guards ($300 to $800 or more in-office). Your dentist takes a precise impression or digital scan, and a dental lab makes a guard tailored to your bite. On insurance and billing paperwork you will often see these coded as CDT D9944 (hard occlusal guard), D9945 (soft occlusal guard), or D9946 (hard reline). These fit best, last longest, and are the appropriate choice when there is real damage or expensive dental work to protect. But you are paying a significant premium over the alternatives.

A quick note on insurance: night guards are frequently not covered, or only partially covered, and many plans exclude them entirely or apply them against your annual maximum. Do not assume it is covered because it has a dental billing code. Ask for the code, ask your dentist's office to verify coverage in writing, and if the numbers feel off, our guide on whether your dentist is overcharging you is a useful cross-check.

When a Custom Night Guard Is Genuinely Justified

A custom guard earns its cost when there is objective evidence, something your dentist can point to and ideally show you on a photo or X-ray:A custom guard earns its cost when there is objective evidence, something your dentist can point to and ideally show you on a photo or X-ray:

• Documented tooth wear or attrition. Visibly flattened, shortened, or worn-down teeth are the clearest sign. Your dentist should be able to show you exactly which teeth and compare over time.Documented tooth wear or attrition. Visibly flattened, shortened, or worn-down teeth are the clearest sign. Your dentist should be able to show you exactly which teeth and compare over time.
• Fractured teeth or broken restorations. Cracked enamel, chipped edges, or crowns and fillings that keep failing point to heavy forces a guard can help absorb.Fractured teeth or broken restorations. Cracked enamel, chipped edges, or crowns and fillings that keep failing point to heavy forces a guard can help absorb.
• Jaw pain or muscle soreness. Morning jaw tightness, facial muscle fatigue, or tension headaches can indicate clenching.Jaw pain or muscle soreness. Morning jaw tightness, facial muscle fatigue, or tension headaches can indicate clenching.
• Confirmed nighttime grinding. A partner who hears grinding, or clear wear facets on the teeth, confirms the habit.Confirmed nighttime grinding. A partner who hears grinding, or clear wear facets on the teeth, confirms the habit.
• Protecting significant dental investment. If you have just had, or are about to have, expensive crowns, veneers, or implants, a guard is a sensible way to protect that work, especially if you already grind.Protecting significant dental investment. If you have just had, or are about to have, expensive crowns, veneers, or implants, a guard is a sensible way to protect that work, especially if you already grind.

If one or more of these apply to you, a custom guard is likely money well spent, and the conversation should be about which type, not whether. If you are also being quoted for a crown at the same time, it is worth understanding whether that crown itself is necessary, which we cover in do I really need a crown.

When a Night Guard Is Likely an Upsell

Here are the patterns that should make you pause:Here are the patterns that should make you pause:

• No visible wear and no symptoms. If your teeth look healthy, you have no pain, and no one has ever heard you grind, a several-hundred-dollar custom guard is hard to justify as a first step.No visible wear and no symptoms. If your teeth look healthy, you have no pain, and no one has ever heard you grind, a several-hundred-dollar custom guard is hard to justify as a first step.
• Offered to essentially everyone. Some practices recommend guards routinely as a "preventive" measure. Prevention has its place, but a blanket recommendation regardless of findings is a signal to ask questions.Offered to essentially everyone. Some practices recommend guards routinely as a "preventive" measure. Prevention has its place, but a blanket recommendation regardless of findings is a signal to ask questions.
• "Preventive" framing for healthy teeth. Protecting teeth that show no evidence of grinding is speculative. An inexpensive OTC guard covers that scenario for a fraction of the price."Preventive" framing for healthy teeth. Protecting teeth that show no evidence of grinding is speculative. An inexpensive OTC guard covers that scenario for a fraction of the price.
• Pushed the same day as other big-ticket work. When a guard appears alongside a large treatment plan, crowns, multiple fillings, whitening, it can function as an add-on that inflates the total. Same-day pressure to decide is itself a red flag for unnecessary dental work.
• No explanation of cheaper alternatives. A dentist acting in your interest should mention that OTC and take-home options exist, even if they recommend custom.No explanation of cheaper alternatives. A dentist acting in your interest should mention that OTC and take-home options exist, even if they recommend custom.

None of this means your dentist is acting in bad faith. Many recommend guards out of genuine caution. But you are entitled to understand the evidence behind the recommendation before you pay for it. Our list of questions to ask before treatment can help you have that conversation.

A Sensible Middle Path

For most people with mild or uncertain symptoms, the low-risk approach is a stepwise one. Try an over-the-counter guard first. If it helps, and especially if you have real wear or valuable dental work, upgrade to a custom guard with confidence that you are solving a real problem. If the OTC guard does nothing and you have no symptoms, you may not need a guard at all.For most people with mild or uncertain symptoms, the low-risk approach is a stepwise one. Try an over-the-counter guard first. If it helps, and especially if you have real wear or valuable dental work, upgrade to a custom guard with confidence that you are solving a real problem. If the OTC guard does nothing and you have no symptoms, you may not need a guard at all.

The only situations where you should skip straight to custom are when there is clear, documented damage or you are protecting significant restorative work, exactly the cases where the cost is easiest to justify.The only situations where you should skip straight to custom are when there is clear, documented damage or you are protecting significant restorative work, exactly the cases where the cost is easiest to justify.

FAQ

Do I really need a custom night guard, or will a cheap one work? If your grinding is mild and your teeth are healthy with no visible wear, an over-the-counter or boil-and-bite guard ($15 to $60) is a reasonable first step. A custom guard is worth the higher cost when there is documented tooth wear, fractured teeth or restorations, jaw pain, or expensive dental work to protect.Do I really need a custom night guard, or will a cheap one work? If your grinding is mild and your teeth are healthy with no visible wear, an over-the-counter or boil-and-bite guard ($15 to $60) is a reasonable first step. A custom guard is worth the higher cost when there is documented tooth wear, fractured teeth or restorations, jaw pain, or expensive dental work to protect.

How much does a night guard cost? Over-the-counter guards run about $15 to $60. Dentist-ordered take-home impression kits are roughly $100 to $200. Lab-fabricated custom guards made in-office typically cost $300 to $800 or more. Insurance often does not fully cover them, so ask your office to verify coverage before you commit.How much does a night guard cost? Over-the-counter guards run about $15 to $60. Dentist-ordered take-home impression kits are roughly $100 to $200. Lab-fabricated custom guards made in-office typically cost $300 to $800 or more. Insurance often does not fully cover them, so ask your office to verify coverage before you commit.

How do I know if my night guard recommendation is an upsell? Be cautious if you have no symptoms and no visible wear, if the guard is offered routinely to everyone as "preventive," if it is bundled the same day as other large procedures, or if no cheaper alternatives are mentioned. A justified recommendation is backed by something your dentist can show you, such as worn teeth or a cracked restoration.How do I know if my night guard recommendation is an upsell? Be cautious if you have no symptoms and no visible wear, if the guard is offered routinely to everyone as "preventive," if it is bundled the same day as other large procedures, or if no cheaper alternatives are mentioned. A justified recommendation is backed by something your dentist can show you, such as worn teeth or a cracked restoration.

Does a night guard stop teeth grinding? No. A night guard does not stop grinding or clenching; it protects your teeth by absorbing the force so the guard wears down instead of your enamel. It manages the consequences of the habit rather than curing the habit itself.Does a night guard stop teeth grinding? No. A night guard does not stop grinding or clenching; it protects your teeth by absorbing the force so the guard wears down instead of your enamel. It manages the consequences of the habit rather than curing the habit itself.

Will insurance cover my night guard? Often not, or only partially. Many plans exclude occlusal guards or apply them against your annual maximum even though they have dental billing codes (D9944, D9945, D9946). Always ask for the code and have the office verify your coverage in writing.Will insurance cover my night guard? Often not, or only partially. Many plans exclude occlusal guards or apply them against your annual maximum even though they have dental billing codes (D9944, D9945, D9946). Always ask for the code and have the office verify your coverage in writing.

Should I get a second opinion before buying a night guard? If a custom guard is bundled into a larger treatment plan or you cannot see clear evidence of a problem, yes. An independent review of your treatment plan can tell you whether the guard, and the rest of the plan, is genuinely necessary.

Final Advice

A night guard can be one of the smartest, most protective things you do for your teeth, or an unnecessary few hundred dollars, depending entirely on whether you have a real problem to solve. Ask your dentist to show you the evidence: the worn teeth, the cracked restoration, the muscle soreness. If they can, the recommendation is likely sound. If the guard is being offered as a routine add-on with no findings behind it, an inexpensive over-the-counter option is a reasonable place to start.A night guard can be one of the smartest, most protective things you do for your teeth, or an unnecessary few hundred dollars, depending entirely on whether you have a real problem to solve. Ask your dentist to show you the evidence: the worn teeth, the cracked restoration, the muscle soreness. If they can, the recommendation is likely sound. If the guard is being offered as a routine add-on with no findings behind it, an inexpensive over-the-counter option is a reasonable place to start.

If a custom night guard has been bundled into a larger treatment plan, or you are simply not sure it is warranted, you do not have to decide under pressure. Upload your X-rays and treatment plan for an independent online second opinion from a licensed dentist, and get a clear, written answer within 24 hours before you spend a dollar. And if you are also dealing with an existing crown, our guide on why a crown hurts when you chew may help.

Last medically reviewed: July 2026Last medically reviewed: July 2026