Which Do You Need, an Inlay, Onlay or Crown? What Portion of the Tooth Each Restoration Covers

The X-ray goes up on the screen and your dentist points to a gray shadow under an old silver filling. ‘That filling has done its job,’ she says, ‘but there is not much wall left on this side.’ Then comes the sentence that sends most people to their phones in the parking lot: ‘We could do an onlay, or we could crown it.’ You nod. You have no idea what the difference is.

The inlay vs onlay vs crown question is really a question about real estate. Each restoration claims a different portion of the tooth, and the right one depends on how much healthy enamel and dentin are still standing after the decay and the old filling come out. Dentin, for the record, is the softer layer beneath the enamel that makes up most of a tooth.

This explainer walks through what each option covers, why dentists lean one way or another, what the appointments and the following weeks feel like, and where the popular myths go wrong.

Inlay vs onlay vs crown: what portion of the tooth each one covers

Picture a molar from above. The chewing surface is a shallow valley ringed by four or five raised points called cusps. Decay likes the valley, where grooves trap food. Old fillings live there too. Where damage stops on this landscape decides which restoration fits.

An inlay is a lab-made or milled piece that sits inside the valley, bounded on all sides by the tooth’s own cusps. Think of a puzzle piece dropped into a hole with intact edges. An onlay does everything an inlay does and then climbs up and over at least one cusp, replacing a biting edge that has broken or been drilled away. Dentists sometimes call a large onlay a partial crown. A crown, also called a cap, covers everything above the gumline on every side, so the tooth underneath is reduced to a shorter, smoothed core.

Restoration	Portion of tooth covered	Typical situation	Tooth removed to fit it
Filling	Cavity only, shaped in the mouth	Small to moderate decay	Decay plus minimal shaping
Inlay	Chewing surface between cusps	Moderate decay, all cusps sound	Decay plus a box with parallel walls
Onlay	Surface plus one or more cusps	Broken or weakened cusp, remaining walls sound	Decay plus the damaged cusp
Crown	Entire visible tooth, all sides	Extensive loss, cracks, most root-treated molars	All surfaces reduced by a few millimeters

The progression matters because tooth structure does not grow back. Mayo Clinic groups these options along a single spectrum, from fillings for smaller cavities to crowns when a tooth is weakened or extensively decayed, with the more conservative choice preferred whenever it will hold.

Why the amount of remaining healthy tooth matters most

If one idea from this article sticks, let it be this: the deciding factor is not the size of the hole but the strength of what surrounds it. A tooth is a hollow-ish structure, and its cusps act like the legs of a table. Knock out one leg and the table wobbles. Knock out two on the same side and it tips.

Dentists assess the walls that will remain after every soft, decayed bit is removed. Thin walls of enamel with little dentin behind them flex under chewing, and flexing is what eventually splits a tooth from the crown of it down toward the root. Cleveland Clinic lists exactly this scenario, a tooth weakened by decay or a large filling and at risk of breaking, as a core reason a crown is recommended over something smaller.

An onlay can shore up a tooth that has lost a cusp but keeps sturdy walls elsewhere, because the restoration is bonded to those walls and shares the load. A crown wraps the whole core so that biting force is distributed around a ring rather than concentrated on a fragile edge. That protection comes at a price the tooth pays in structure: preparing for a crown removes healthy enamel on every surface, including sides that may have been perfectly fine.

So the honest tradeoff is protection versus preservation. More coverage usually means more resistance to fracture. Less coverage means more of your own tooth survives, and enamel you keep today is enamel you can still work with in twenty years if the restoration eventually needs replacing. No single answer wins for every tooth, which is why the examination and X-rays, not a general rule, settle it.

Dental inlay vs onlay: the cusp is the dividing line

People often use inlay and onlay interchangeably, and dental offices sometimes do too, which does not help. The distinction is precise: an inlay stays within the cusps, an onlay covers at least one of them.

Both are made outside the mouth, either in a laboratory from an impression or scanned and milled by a computer-guided machine, then cemented or bonded into place. That indirect process is what separates them from a standard filling, which is packed in soft and hardened directly in the tooth. Because a milled or lab-made piece is fabricated under controlled conditions, it can be shaped with tighter margins and denser material than a hand-placed filling, particularly when the gap between two teeth needs rebuilding.

An inlay competes mostly with a large filling. When the cavity is wide but every cusp is intact, some dentists prefer an inlay for its fit and wear resistance, while others place a well-bonded composite filling and achieve a similar result. Mayo Clinic describes fillings as the main treatment once decay has moved past the earliest stage, and the choice between a filling and an inlay for the same cavity is often a judgment call about material behavior and how the patient bites.

An onlay competes with a crown. Once a cusp is gone, a filling alone tends to leave the remaining edges unprotected; an onlay caps the missing corner while leaving the healthy sides untouched. This is where the conservative philosophy earns its keep, because the difference between an onlay and a crown on a molar can be several millimeters of enamel on two or three surfaces that never had a problem.

Neither is inherently superior. They are simply answers to different amounts of damage.

What is an onlay tooth restoration compared with a filling?

Someone hearing ‘onlay’ for the first time usually asks whether it is just a fancy filling. Not quite. A filling is a repair completed inside the mouth in one visit; an onlay is a manufactured part that replaces a missing corner of the tooth and is fitted afterward.

Here is what changes in practice. With a filling, the dentist removes decay, places a soft material such as composite resin (a tooth-colored plastic-and-glass mixture) or, less commonly now, dental amalgam (a metal blend), and hardens or packs it in layers. The edges are shaped freehand. With an onlay, the dentist removes decay and the weakened cusp, then either takes a mold or a digital scan. The finished piece, often ceramic or gold, arrives with its shape already set, and the dentist bonds it to the tooth with a resin cement.

Why go to that trouble? Large fillings that rebuild a whole cusp rely on the strength of the filling material alone at the biting edge, where forces are highest. Composite shrinks slightly as it sets and can wear or chip at those edges over time. A bonded onlay made from ceramic or gold resists that wear and, because it is cured outside the mouth, does not shrink against the tooth walls. Cleveland Clinic’s overview of fillings notes that very large cavities or broken teeth may need something beyond a standard filling for this reason.

The trade is more chair time, usually two visits unless the office mills the piece on site, and a temporary restoration in between. For a modest cavity with all cusps standing, that extra effort may bring little benefit. For a molar missing a corner, it is often the step that avoids a full crown.

When is a crown necessary rather than optional?

A crown is the restoration dentists reach for when the tooth needs a helmet, not a patch. Cleveland Clinic lists the common triggers: protecting a tooth weakened by decay, restoring one that is already broken or severely worn, covering a tooth after a root canal, holding a dental bridge in place, covering a dental implant, and covering a badly misshapen or discolored tooth.

Three of those deserve a closer look because they explain most crown recommendations on back teeth.

After a root canal, the treatment that removes infected pulp from inside the tooth, a molar is hollowed out from the top and no longer has living tissue keeping the dentin hydrated. It becomes more brittle, and the access hole removes much of the chewing surface. Mayo Clinic notes that a tooth may need a crown after root canal treatment for exactly this reason, and most dentists consider a crown the standard finish for a root-treated molar, while a front tooth with little structure lost may sometimes be restored with a filling instead.

A cracked tooth is the second trigger. Cracks propagate under chewing load, and a crown holds the pieces together like a hoop around a barrel. An onlay can sometimes do this if the crack is confined to one cusp, but a crack running under a large filling usually points toward full coverage.

Multiple missing walls is the third. When two or more cusps are gone, or the walls between remaining cusps are thin, there is not enough sound tooth for an onlay to bond to and share the load. At that point the crown is not the aggressive option; it is the only one likely to keep the tooth in service.

Onlay vs crown: is it better to keep more of the tooth?

‘Is it better to get an onlay or a crown?’ is the most searched version of this question, and the honest answer is: better for what?

If the priority is preserving natural tooth, the onlay usually wins, because it leaves untouched any wall that is still healthy. A crown preparation reduces every surface, and once that enamel is gone it is gone for the life of the tooth. Every future replacement then starts from a smaller core.

If the priority is protecting a fragile tooth from splitting, the crown often wins, because it distributes force around the whole circumference. An onlay bonded to thin walls asks those walls to carry part of the load, and if they cannot, the onlay may hold while the tooth beneath it cracks.

Longevity is where people most want a clean number, and the evidence is messier than marketing suggests. Cleveland Clinic gives a typical range of roughly five to fifteen years for crowns with good care, while noting that habits like grinding, chewing ice or biting nails shorten it. Comparable population-wide ranges for onlays are not published by the same mainstream health sources, and studies that exist vary in material, tooth position and how failure is defined. What can be said fairly is that a well-bonded ceramic or gold onlay on a tooth with sound walls and a well-made crown on a tooth that needed one are both durable restorations, and that neither lasts forever.

The best answer for your molar is the one matched to how much tooth is actually left. A dentist who recommends an onlay is not being cheap with protection, and one who recommends a crown is not being greedy with your enamel, provided each has looked at the walls and explained why.

How it works: what actually happens at the appointments

The sequence for an inlay, an onlay and a crown looks similar from the chair, differing mainly in how much tooth is shaped.

First comes numbing. The dentist injects local anesthetic near the tooth so that drilling is felt as pressure and vibration rather than pain. Then any old filling and all softened, decayed tooth are removed. This is the moment of truth: only after the cavity is clean can the dentist see how much wall remains and confirm whether the plan made from the X-ray still holds. It is not unusual for an intended onlay to become a crown once the extent of damage is visible, or, less often, for a planned crown to be downgraded.

Next the tooth is shaped. For an inlay, the cavity is refined into a box with slightly tapered walls so the piece can drop in. For an onlay, the damaged cusp is flattened to a stable platform. For a crown, every surface is reduced by a few millimeters so the cap has room without making the tooth bulkier than its neighbors.

Then a record is made, either a putty impression or a digital scan, and a temporary restoration is placed. Cleveland Clinic describes the traditional crown pathway as two visits about two to three weeks apart, with a temporary crown worn in between; offices with in-house milling can sometimes finish the same day. The permanent piece is tried in, adjusted so the bite feels even, and cemented or bonded. A final check of the bite and floss contact ends the visit.

Total chair time varies with the tooth, the material and whether a core buildup is needed to replace missing dentin before the crown goes on.

Who is usually offered each option, and who is asked to wait

Restorations are chosen tooth by tooth, but a few patterns hold.

Inlays are typically offered to people with moderate decay or a failing medium-sized filling on a back tooth where every cusp is intact and the bite is not unusually heavy. Onlays go to people who have lost a cusp, often when an old large filling fails and takes a corner of the tooth with it, but whose remaining walls are thick enough to bond to. Crowns are offered when a tooth has had a root canal, shows a crack, has lost multiple walls, or anchors a bridge.

Some situations lead a dentist to pause rather than proceed. Active gum disease around the tooth is one; placing a precise margin next to inflamed, bleeding gum tissue compromises fit, so the gums are usually treated first. A tooth with lingering pain to heat or spontaneous night ache may need pulp assessment, because sealing a crown over a dying nerve postpones rather than solves the problem. Mayo Clinic notes that when decay reaches the pulp, root canal treatment comes before the final restoration.

Patients who grind heavily may be steered toward a more protective design or a night guard alongside the restoration, since grinding is a recognized cause of chipped ceramic and shortened crown life. Decay that has spread under the gumline or down the root can make a tooth unrestorable, and the conversation shifts to extraction and replacement options, including an implant, which is a titanium post placed in the jawbone that later carries its own crown.

Children and teenagers with adult teeth still maturing are often managed with fillings or stainless steel crowns and reassessed later, because the pulp chamber is large and the root not yet fully formed. In every case the treating dentist weighs these factors together; none is an automatic yes or no.

Ceramic, composite, gold or metal-ceramic: how material changes the picture

The same shape can be made from several materials, and each behaves differently in the mouth. Cleveland Clinic’s crown overview lists the main families: metal alloys including gold, porcelain fused to metal, all-ceramic and all-porcelain such as zirconia and lithium disilicate, and composite resin.

Gold and other high-noble alloys have the longest track record. They wear at a rate close to natural enamel, can be made thin, and rarely fracture. Their obvious drawback is color, which is why they are now chosen mostly for molars out of the smile line and for patients who prioritize longevity over appearance.

All-ceramic materials dominate modern inlays and onlays because they can be bonded to enamel, matched to tooth color and milled with precision. Lithium disilicate is glass-like and translucent, suited to onlays and front crowns; zirconia is denser and stronger, suited to molar crowns under heavy load. Ceramic can chip, especially in grinders, and very hard ceramics can wear the opposing tooth if not polished well.

Porcelain fused to metal marries a strong metal core to a ceramic skin. It has decades of data behind it, but the ceramic layer can chip and a thin gray line sometimes shows at the gum as tissue recedes.

Composite resin inlays and onlays are less common; they are kinder to opposing teeth but wear faster than ceramic or gold.

No material is best for every mouth. Bite force, grinding, how visible the tooth is, allergy history and how much tooth remains all shape the recommendation, and a dentist choosing zirconia for a molar is making a different, not lesser, decision than one choosing gold. Asking why a particular material was suggested for your tooth is a fair and useful question.

What the following days and weeks usually look like

The first afternoon is mostly about waiting for the anesthetic to fade. Lips and cheek can feel thick for a few hours; chewing on that side before sensation returns risks a bite injury, so most dentists suggest soft foods until the numbness is fully gone.

With a temporary restoration in place, the next two to three weeks call for a little caution. Temporaries are held with weaker cement so they can be removed easily. Sticky candies, chewing gum and very hard foods can pull them off, and flossing is best done by sliding the floss out sideways rather than snapping it up. Cleveland Clinic advises avoiding sticky and hard foods while a temporary crown is in place and flossing carefully around it.

After the permanent piece is fitted, some sensitivity to cold and pressure is common and usually settles over days to a few weeks as the tooth calms down from the drilling. Cleveland Clinic lists this short-term sensitivity among the expected effects. A bite that feels slightly high on the new restoration is worth reporting promptly; a small adjustment at a follow-up visit often resolves it, and leaving it can cause soreness in the jaw joint or the opposite tooth.

Oral care returns to normal quickly: brushing twice daily with a fluoride toothpaste, cleaning between teeth, and keeping regular check-ups. The tooth beneath an inlay, onlay or crown can still decay at the margin where restoration meets enamel, which is the most common reason any of them eventually needs replacing. The restoration is a repair, not immunity.

Pain that worsens rather than eases after the first few days, or that wakes you at night, is not part of the expected course and needs a call to the office rather than patience.

What are the disadvantages of onlays, and of crowns?

Every restoration has a downside, and pretending otherwise is how people end up disappointed.

Onlays ask more of the technique. Their success depends on bonding to clean, dry enamel and dentin, so a tooth deep below the gum or in a mouth that is hard to keep dry is a poorer candidate. Because they leave natural walls exposed, those walls remain vulnerable: an onlay does not protect the sides of the tooth from a new cavity or from a crack that starts in a thin wall. Their margins are longer and more complex than a crown’s single ring, giving decay more edge to attack if home care slips. They also require an indirect workflow, so unless the office mills on site there is a temporary phase and a second visit, and some patients find the fit fussier to adjust.

Crowns carry the opposite set of costs. Preparing one removes healthy enamel from every surface, and a small share of crowned teeth develop pulp irritation from the drilling and later need a root canal. Cleveland Clinic lists sensitivity, chipping of ceramic, a loose or dislodged crown, and allergic reaction to metal among possible problems. A crown margin sits near or below the gumline, where plaque collects; if the gum recedes, a dark line can show with metal-based crowns. Once a crown is placed, the tooth can never again be restored with something smaller.

Both share a common failure route: decay at the margin, which is silent until it is deep because the restoration hides it. That is why X-rays at routine visits continue to matter for teeth that have already been restored.

The point is not that either is risky. It is that the right choice minimizes the disadvantages that matter most for your particular tooth.

Do dentists still do onlays, and why is coverage for inlays inconsistent?

Yes, dentists still place onlays, and in many practices they are more common than a generation ago. The shift toward bonding ceramic to enamel, along with chairside scanning and milling, made partial-coverage restorations more predictable than they were when cementing gold was the only indirect option. Practices vary in how often they offer them, partly by training and partly by the equipment they have, so hearing ‘we usually crown that’ from one dentist and ‘let’s try an onlay’ from another does not mean one of them is wrong.

The insurance question comes up because coverage rules do not always follow clinical logic. Plans set their own definitions, and some categorize an inlay as an alternative to a filling rather than to a crown, paying only what they would have paid for the filling. Others classify onlays with crowns. Rules for how soon a tooth can be restored again after a previous filling, and whether a lab-made restoration is covered on a tooth that could have taken a direct filling, differ widely. None of this reflects a judgment that inlays are unproven; it reflects how each plan draws its categories.

Practical steps help more than frustration. Ask the dental office to submit a pre-treatment estimate to the plan, with the X-ray and a note on why the restoration was chosen, before the tooth is prepared. Ask whether an alternative the plan does cover would be clinically reasonable for this tooth, and what the dentist sees as the trade-off. The clinical recommendation and the coverage decision are separate conversations, and it is fair to have both.

Whatever the plan says, the decision about what the tooth needs belongs with you and the dentist examining it.

What people often get wrong about inlays, onlays and crowns

Myth one: a crown is always the stronger choice. Full coverage protects a fragile core, but on a tooth with sound walls it sacrifices enamel without adding useful protection. Stronger is only meaningful relative to what the tooth actually needs.

Myth two: a crowned or onlaid tooth cannot get cavities. The restoration itself cannot decay, but the tooth around and beneath it can, most often at the margin. Mayo Clinic is explicit that daily brushing and flossing and regular visits still matter for restored teeth, and marginal decay remains the leading reason any of these restorations is eventually replaced.

Myth three: if it does not hurt, it does not need restoring. Decay under an old filling is frequently painless until it reaches the pulp, and a cracked cusp may cause only fleeting twinges. Waiting for pain often turns an onlay-sized problem into a crown-sized one, or a crown into a root canal.

Myth four: tooth-colored always means weaker. Modern high-strength ceramics on molars are not the fragile porcelain of decades past. Material choice still matters, and grinders in particular need it discussed, but color no longer predicts durability the way it once did.

Myth five: the restoration is finished when it is cemented. Bite adjustments, settling sensitivity and the first check-up are part of the process. Skipping the follow-up leaves small problems, like a slightly high spot, to become larger ones.

Myth six: an inlay is just a nicer filling that dentists push for profit. Sometimes a filling is the better call, and a good dentist will say so. The case for an inlay rests on fit and wear in specific situations, not on being fancier.

Knowing these helps you hear a recommendation for what it is: a judgment about your tooth, open to your questions.

Questions to ask your care team before you decide

Most people leave the consultation wishing they had asked more. A short list, taken in, changes that.

• After the decay and old filling come out, roughly how much healthy wall do you expect to remain, and how will that change the plan if it is less than you think?
• Which cusps are involved, and why does that point toward an inlay, an onlay or a crown for this tooth?
• Is this tooth showing any sign of a crack, and how does that affect the recommendation?
• Would a well-bonded filling be a reasonable alternative here, and what would I be trading off?
• Does the pulp look healthy on the X-ray and on testing, or is there a chance a root canal is needed first?
• Which material do you suggest and why, given how visible the tooth is and whether I grind at night?
• Will this be one visit or two, and how should I care for a temporary in between?
• What sensitivity or bite changes should I expect afterward, and when should I call rather than wait?
• How will you check the margins at future visits, and how often will this tooth need an X-ray?
• If a pre-treatment estimate is submitted to my plan, what alternative restoration would you still consider clinically sound for this tooth?

You do not need to ask all ten. Even three of them turn a one-sided recommendation into a conversation, and a dentist who welcomes them is telling you something reassuring about how they practice. Bringing a written note of the answers helps too, because dental terms are easy to muddle a week later when you are deciding.

If two dentists give different advice about the same tooth, that is not a red flag in itself. Ask each to explain the reasoning in terms of remaining tooth structure and crack risk, and the difference usually becomes understandable, even when you still have to choose.

When to call your doctor or dentist: red-flag signs after a restoration

Most of what follows an inlay, onlay or crown is mild and short-lived. A few signs are not, and they warrant a same-day call rather than a wait for the next appointment.

Call your dentist promptly if the temporary or permanent restoration comes loose or falls out, because the exposed tooth is sensitive and can shift, spoiling the fit of the final piece. Call if the bite feels high or you find yourself hitting the new tooth first when you close, since a small adjustment prevents jaw soreness and cracking. Call if pain increases after the first few days rather than easing, if the tooth aches spontaneously or wakes you at night, or if hot drinks trigger pain that lingers for more than a few seconds; these can signal an inflamed or dying pulp that needs assessment. Bleeding or a persistent bad taste at the gumline, or a rough edge catching floss, also deserve a look.

Seek urgent care the same day, at a dentist or, if unavailable, an emergency department, if you develop swelling of the face, jaw or the floor of the mouth, fever alongside tooth pain, a pimple-like bump on the gum that drains, or difficulty opening your mouth. MedlinePlus lists swelling and fever with tooth pain among the signs of a spreading dental abscess, a pocket of infection that can become serious if untreated. Go immediately to emergency services if swelling makes it hard to swallow or breathe.

Between those extremes, trust your instinct. A dental office would rather hear about a niggle that turns out to be nothing than miss an early problem. Every decision about whether the restoration needs adjusting, re-cementing or replacing sits with the dentist who can examine it; your job is to make the call.

Frequently asked questions

Is it better to get an onlay or a crown?

Neither is better in every case; the right one depends on how much healthy tooth remains. An onlay preserves sound walls and replaces only the damaged cusp, while a crown protects a tooth too weak or cracked to rely on its own walls. Your dentist judges this after removing decay, when the remaining structure is visible. Ask which walls are intact and why that points one way.

What are the disadvantages of onlays?

Onlays leave natural walls exposed, so those walls stay vulnerable to new decay or cracks, and their longer margins give plaque more edge to attack. They depend on clean, dry bonding, which is harder on teeth deep below the gum. Most also need two visits and a temporary. On a tooth with thin walls, an onlay may hold while the tooth beneath it fractures.

Do dentists still do onlays?

Yes, and in many practices they are more common than a generation ago. Bonded ceramics and chairside scanning and milling have made partial-coverage restorations more predictable than the cemented gold onlays of the past. How often a dentist offers them varies with training and equipment, so different recommendations for the same tooth are not unusual. Ask for the reasoning in terms of remaining tooth structure.

Why doesn't insurance cover inlays?

Coverage varies by plan rather than by clinical merit. Some plans classify an inlay as an alternative to a filling and pay only the filling amount; others group onlays with crowns; many have rules about how soon a tooth can be restored again. Asking the office to submit a pre-treatment estimate with the X-ray before the appointment clarifies what your plan will do.

What is an onlay tooth restoration?

An onlay is a lab-made or milled piece, usually ceramic or gold, that rebuilds a tooth’s chewing surface and at least one of its raised points, called cusps. It is bonded to the remaining healthy tooth after decay and the damaged cusp are removed. Because it covers a corner rather than the whole tooth, it is sometimes called a partial crown.

What is the difference between a dental inlay vs onlay?

The cusp is the dividing line. An inlay sits entirely within the chewing surface, bounded on all sides by the tooth’s own cusps. An onlay extends over one or more cusps to replace a broken or drilled-away biting edge. Both are made outside the mouth and bonded in, which separates them from a filling shaped directly in the cavity.

When is a crown necessary instead of an onlay?

A crown is usually necessary when a tooth has had a root canal, shows a crack running under a filling, has lost two or more walls, or anchors a bridge. Cleveland Clinic and Mayo Clinic list these as standard reasons for full coverage. In those situations an onlay has too little sound wall to bond to and share chewing load safely.

How long does a crown or onlay last?

Cleveland Clinic gives a typical range of roughly five to fifteen years for crowns with good care, shortened by grinding, chewing ice or nail biting. Comparable population-wide figures for onlays are not published by mainstream health sources, and study results vary by material and tooth. Both eventually fail most often from decay at the margin, so home care and check-ups matter more than the label.

Does getting an inlay, onlay or crown hurt?

The tooth is numbed with local anesthetic, so the preparation is felt as pressure and vibration rather than pain. Afterward, sensitivity to cold and pressure is common and usually settles over days to a few weeks. Pain that worsens after the first few days, wakes you at night or lingers after hot drinks is not expected and should prompt a call to your dentist.

Can a tooth with a crown or onlay still get a cavity?

Yes. The restoration cannot decay, but the natural tooth around and beneath it can, most often at the margin where restoration meets enamel. This marginal decay is the leading reason inlays, onlays and crowns are eventually replaced. Brushing twice daily with fluoride toothpaste, cleaning between teeth and routine X-rays remain necessary for restored teeth, as Mayo Clinic advises.

References

• Cleveland Clinic – Dental Crowns
• Cleveland Clinic – Dental Fillings
• MedlinePlus – Dental cavities
• NIH National Institute of Dental and Craniofacial Research – Tooth Decay

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.