A dental bridge is a fixed appliance that replaces one or more missing teeth by anchoring an artificial tooth to the natural teeth or dental implants on either side of the gap. The artificial tooth is called a pontic, and the teeth or implants that hold it in place are called abutments. A bridge is cemented in, so only a dentist can take it out. Below we cover what a dental bridge is made of, the four types we place, the signs that tell us a bridge is the right treatment, what the procedure involves, how many years a bridge lasts, and how a bridge compares to an implant or a removable partial denture.

What Is a Dental Bridge?

A dental bridge is a fixed dental prosthesis that replaces one to three missing teeth in a row by spanning the empty space between two supporting teeth. The empty space left behind by a lost tooth is called an edentulous span. That span is what the bridge crosses, which is where the name comes from.

Tooth loss is far more common than most patients assume. The American College of Prosthodontists estimates that roughly 178 million Americans are missing at least one tooth, and about 40 million are missing all of their natural teeth. Data from the Centers for Disease Control and Prevention shows only 48 percent of adults aged 20 to 64 still have a full set of permanent teeth, excluding third molars. Adults in that age group lose teeth steadily as the years pass: the CDC 2024 Oral Health Surveillance Report puts the average number of missing teeth at 0.7 by ages 20 to 34 and 3.8 by ages 50 to 64.

Replacing those teeth restores three things at once. A bridge restores chewing force across the missing area, restores clear speech where the tongue needs a tooth surface to press against, and restores the shape of the smile and the lower face. It also holds the neighboring teeth in position so they stop drifting. The World Health Organization ranks severe tooth loss among the top ten causes of Years Lived with Disability in aging populations, which tells you the function a bridge gives back is not a small thing.

What Are the Parts of a Dental Bridge?

The parts of a dental bridge are the pontic, the abutment teeth, the retainers, and the connectors. Each part does one job, and the four together behave as a single unit once the bridge is cemented.

The pontic is the artificial tooth that fills the gap. A pontic is shaped and shaded to match the teeth beside it, and it rests lightly against the gum ridge without being attached to it. Because the pontic has no root and no periodontal ligament, it transfers every bit of chewing force sideways into the teeth that support it rather than straight down into bone. That single mechanical fact explains most of what follows in this article.

The abutment teeth are the natural teeth or implants on either side of the gap that carry the pontic. Abutment teeth are reshaped so that a crown can fit over them, and those crowns are the retainers. A retainer is the part of a dental bridge that is cemented directly onto the prepared abutment, and it is what actually holds the whole restoration in the mouth. The connectors are the rigid joints that fuse each retainer to the pontic, turning three separate components into one solid piece.

A three-unit bridge, the most common design we place, therefore counts two retainers and one pontic. A four-unit bridge counts two retainers and two pontics. Once the piece is cemented and polished, most people cannot pick the pontic out of a lineup, because the porcelain is layered to match the translucency and shade of the surrounding enamel.

What Are the Types of Dental Bridges?

The four types of dental bridges are traditional, cantilever, Maryland, and implant-supported. Which type fits depends entirely on what sits next to the gap and how much chewing force that area handles.

Traditional Bridge

A traditional bridge is the most common type and uses a crown on the natural tooth at each end of the gap, with the pontic suspended between them. Traditional bridges call for healthy natural teeth on both sides, and they handle back-tooth chewing force better than any other tooth-supported design. Survival data backs that up. A systematic review by Tan, Pjetursson, Lang and Chan in Clinical Oral Implants Research reported a 10-year survival rate of 89.2 percent for conventional tooth-supported fixed bridges.

Cantilever Bridge

A cantilever bridge is anchored on one side only, so the pontic extends across the gap from a single abutment tooth. Cantilever designs work where there is no tooth on the far side of the space, and they are reserved for low-force areas of the mouth. The same research group measured 10-year survival for cantilever bridges at 80.3 percent, lower than traditional designs, and found that abutment teeth under cantilevers lost pulp vitality at 17.9 percent over five years compared with 6.1 percent under conventional bridges. Those numbers are why we recommend the cantilever design selectively rather than routinely.

Maryland Bridge

A Maryland bridge, also called a resin-bonded bridge, uses thin metal or ceramic wings bonded to the backs of the neighboring teeth instead of full crowns. The conservative advantage is real: the adjacent enamel is barely touched. Maryland bridges suit front teeth, where bite forces are lighter. An integrative review of anterior resin-bonded prostheses estimated five-year survival at 86.2 percent for metal-framed designs, 87.9 percent for zirconia, and 93.3 percent for alumina, while work published by Kern reported a 10-year survival rate of 98.2 percent for all-ceramic cantilever resin-bonded bridges replacing a single front tooth.

Implant-Supported Bridge

An implant-supported bridge rests on dental implants placed in the jawbone instead of on natural teeth. Implants are titanium posts that fuse to bone through a process called osseointegration, which takes three to six months on average. Implant-supported designs suit patients missing three or more teeth in a row, or patients whose neighboring teeth are too weak to carry a load. Pjetursson and colleagues reported five-year survival for implant-supported fixed bridges between 86.7 and 95.2 percent.

Materials matter as much as design. Bridges are fabricated from porcelain fused to metal, from zirconia, from all-ceramic pressed glass, and occasionally from gold alloy. A systematic review of multiple-unit tooth-supported prostheses found roughly 99.5 percent five-year survival for porcelain-fused-to-metal bridges compared with roughly 92 percent for all-ceramic, which is why we still reach for metal-backed porcelain on back teeth that take heavy load.

When Does a Dentist Recommend a Dental Bridge?

A dentist recommends a dental bridge when you are missing one to three teeth in a row, the teeth on either side of the gap are healthy enough to carry a crown, and you want the replacement fixed in the mouth rather than removable. Four patterns bring patients in for this treatment:

• Missing teeth. One or more teeth are gone in a row, from decay, gum disease, a fracture, or an injury.
• Chewing difficulty. Food is hard to bite or grind, and you have started chewing on one side only.
• Speech changes. Certain sounds come out differently, or a slight lisp has appeared where a front tooth used to be.
• Teeth shifting. The teeth beside the gap are tilting into the empty space and the bite feels different than it did.
• Smile restoration. The gap shows when you talk or smile and you want a fixed, natural-looking replacement.

Seeing those signs is only half of the decision. The other half is whether the abutment teeth can do the job. A good abutment tooth has solid root length, healthy bone support around it, no active gum infection, and enough sound tooth structure left to hold a crown. A tooth that already needs a crown makes an excellent abutment, because the preparation was going to happen anyway. A tooth with advanced bone loss makes a poor one, since it cannot carry its own load plus the pontic’s.

We work that out at the chair. A visual exam maps the gap and the gum tissue around it. Digital X-rays show root length and the bone height supporting each candidate abutment. Impressions or a digital scan capture the bite so we can see how the opposing teeth meet the space. A routine exam often catches a failing tooth before it is lost at all, which keeps the options wider.

Patients come to our Flushing office from across Queens and Long Island with the same question in different words: the tooth is gone, what now. Our answer depends on what the X-ray shows, not on what is easiest to sell.

What Happens If You Don’t Replace a Missing Tooth?

If you don’t replace a missing tooth, the neighboring teeth drift into the gap, the opposing tooth grows down into the empty space, and the jawbone under the gap shrinks. All three changes start quietly and compound.

Drifting comes first. Teeth are held in position by contact with their neighbors, and removing one tooth removes that contact. The teeth on either side tip toward the space over months, which opens new food traps at angles that floss reaches poorly. Food traps of that kind raise the risk of gum inflammation in exactly the area that would later need to support a restoration.

Supraeruption is the second mechanism, and it is a separate problem that most people never hear about. The tooth in the opposite jaw has nothing to bite against anymore, so it erupts further out of its socket, taking its gum and bone with it. Supraeruption slowly eats the vertical clearance a pontic needs. Once that clearance is gone, restoring the space means shortening or crowning the over-erupted tooth first, which turns a two-visit treatment into a longer one.

Bone resorption is the third and the least reversible. A tooth root loads the bone around it every time you chew, and bone that is not loaded is resorbed. A 12-month prospective study by Schropp, Wenzel, Kostopoulos and Karring measured the width of the alveolar ridge after single-tooth extraction and found it dropped by roughly 50 percent within the first year, with two-thirds of that loss happening in the first three months. A systematic review by Tan and colleagues put horizontal ridge reduction between 29 and 63 percent at six months, with vertical loss of 11 to 22 percent. Bone lost that way does not grow back on its own, and it narrows the options for any future implant.

How Long After Losing a Tooth Should You Get a Bridge?

You should get a bridge within a few weeks to a few months after losing a tooth, once the gum tissue over the extraction site has closed and settled. Gums and bone need roughly one to three months to heal enough to give a pontic a stable, predictable ridge to sit against.

Placing a bridge too early means the pontic is shaped to a ridge that is still shrinking, and a visible dark space opens under it as healing finishes. Waiting too long means drifting and supraeruption have already changed the geometry. The window in between is where the work goes smoothly, and the resorption timeline above is the reason that window closes faster than patients expect.

Having an oral surgeon on-site at our Flushing office shortens that timeline in practice. When a tooth has to come out first, we can plan the extraction, discuss socket preservation, and schedule the restorative work as one sequence instead of coordinating across two practices with two sets of records.

What Is the Dental Bridge Procedure?

The dental bridge procedure takes two visits spaced about two to four weeks apart, with the abutment teeth prepared and impressions taken at the first visit and the finished bridge cemented at the second. Here is the full sequence for a traditional or cantilever bridge:

1. Numbing. We give local anesthesia around the abutment teeth and the gum tissue over the span.
2. Preparing the abutments. We reshape the supporting teeth, removing a measured layer of enamel and dentin so each retainer crown fits over the tooth at the correct thickness. This step is permanent.
3. Building up damaged teeth. If an abutment has decay or a large old filling, we clean it out and rebuild the core before shaping it.
4. Taking impressions. We capture the prepared teeth, the opposing arch, and the bite, either with impression material or an intraoral scanner, and send the case to the dental laboratory.
5. Placing a temporary bridge. We fabricate a temporary bridge the same day to protect the prepared teeth, hold the space, and let you eat and speak normally while the lab works.
6. Try-in at the second visit. We remove the temporary, seat the finished bridge, and check the fit at the margins, the contacts with the neighboring teeth, the shade, and the way the bite closes.
7. Cementing. Once everything checks out, we bond the bridge with dental cement, clean the margins, and polish.

Laboratory fabrication is what sets the two to four week gap. A Maryland bridge follows the same rhythm with far less tooth preparation, since the wings bond to the back surfaces of the neighboring teeth rather than sitting over full crowns. An implant-supported bridge runs longer, because the implants must integrate with bone for three to six months before the restorative phase begins. Everything we do for crowns and bridges follows this same two-appointment structure.

Does Getting a Dental Bridge Hurt?

Getting a dental bridge does not hurt, because local anesthesia numbs the abutment teeth and the surrounding gum tissue completely before any preparation begins. Most patients describe the appointment as pressure and vibration rather than pain, closer to having a filling placed than to anything they were bracing for.

Mild sensitivity to cold and to pressure is normal for a few days after the abutments are prepared, and it fades as the teeth settle under the temporary. Pressure sensitivity that grows rather than fades tells us the bite needs adjusting, and adjusting a bridge is a quick appointment. The second visit is usually the easier of the two, since seating and cementing a finished bridge involves no drilling on healthy tooth structure.

Is a Dental Bridge Permanent?

A dental bridge is permanent in the sense that it is cemented in and only a dentist can remove it, but it is not permanent in the sense of lasting forever. That distinction is the source of most of the confusion around the phrase “permanent dental bridge.”

A permanent bridge is fixed. You do not take it out at night, you do not soak it, and it does not rest on the gums the way a removable appliance does. A temporary dental bridge is the opposite in every respect except appearance. A temporary is made chairside from acrylic or composite, cemented with a soft cement designed to release, and worn only until the laboratory piece arrives. Temporaries protect the freshly prepared abutments from sensitivity and stop the gum tissue from creeping over the margins during the wait.

The finished bridge will eventually need replacing, the same way a filling or a crown does. What determines when is covered next.

How Many Years Does a Dental Bridge Last?

A dental bridge lasts between five and 15 years on average, and many bridges stay in service well past that with good home care. The prosthodontic literature puts firmer numbers on it than the general range suggests.

Conventional tooth-supported bridges showed five-year survival between 89.2 and 93.8 percent and 10-year survival of 89.2 percent in the Tan and Pjetursson systematic review. Cantilever designs dropped to 80.3 percent at 10 years in the same analysis. Implant-supported bridges ran between 86.7 and 95.2 percent at five years. A meta-analysis of CAD/CAM all-ceramic tooth-supported bridges reported 10-year survival between 79.3 and 82.2 percent, with secondary caries as the single most frequent cause of failure.

That last finding is the practical one. Bridges rarely fail because the porcelain gives out. They fail because a cavity forms at the margin where a retainer meets the abutment tooth, or because the abutment’s nerve dies under the crown. Pjetursson and colleagues measured five-year secondary caries at restoration margins at 1.4 percent for conventional bridges and 4.7 percent for cantilevers. Long-term follow-up by Valderhaug found that crowned vital teeth stayed free of pulpal deterioration in 98 percent of cases at five years, 92 percent at 10 years, 87 percent at 20 years, and 83 percent at 25 years. The bridge lasts as long as the teeth underneath it stay healthy.

How Do You Prevent Decay Under a Dental Bridge?

You prevent decay under a dental bridge by cleaning beneath the pontic every day with a floss threader, superfloss, or an interproximal brush, and by keeping the margins of the retainer crowns plaque-free. Ordinary flossing cannot do this job, and the reason is structural.

The pontic is fused to the retainers on both sides, so there is no gap for floss to snap through from above. Floss has to be threaded horizontally underneath the pontic, carried along the ridge, and drawn out the other side. A floss threader is a stiff plastic loop that does exactly that. Superfloss comes with a rigid end and a spongy middle section that sweeps the underside in one pass. An interproximal brush handles the same space where there is enough room for the bristles.

The retainer margins need the same attention as natural teeth, since the junction between porcelain and enamel is where secondary caries begins. Brushing twice daily with a nonabrasive fluoride toothpaste, avoiding ice and hard candy, and keeping up with professional cleanings every six months protects both the abutments and the gum tissue under the span. Patients who clean under the pontic daily keep their bridges dramatically longer than patients who brush around it and hope.

Can You Eat Normally With a Dental Bridge?

Yes, you can eat normally with a dental bridge once it is cemented and the bite has been adjusted, and most patients are back to a full diet within a week. A bridge restores chewing on the side that had been sitting idle, which is usually noticeable within the first few meals.

The first few days feel unfamiliar rather than uncomfortable. The tongue explores the new surface, and the bite needs a short period to feel automatic again. Hard foods like ice, hard candy, and popcorn kernels are worth avoiding permanently, since a sharp point load can chip porcelain. Very sticky foods such as caramel and taffy pull at the cement line over time. Everything else, including steak, apples, and crusty bread, goes back on the menu.

With the bridge itself now clear, the next questions patients ask are comparison questions: how a bridge stacks up against the other treatments that could have been chosen instead.

Is It Better to Get a Crown or a Bridge?

It is better to get a crown when the tooth is still in your mouth and better to get a bridge when the tooth is already gone. A crown and a bridge are not competing treatments, and confusing the two is the most common mix-up we hear on this topic.

A dental crown covers a single damaged tooth, restoring its shape and strength while the root stays in place. A bridge replaces a tooth that no longer exists, and it borrows strength from the teeth on either side to do it. A crown asks nothing of the neighboring teeth. A bridge asks both of them to carry an extra load for the rest of their lives.

That difference is why we always exhaust the option of saving a tooth before we discuss replacing it. A cracked molar with a sound root is a crown case. A molar extracted last spring is a bridge case. The decision is made by what the X-ray and the exam show, not by preference.

Is It Better to Have a Root Canal or a Bridge?

It is better to have a root canal than a bridge whenever the natural tooth root is sound, because keeping your own root preserves the bone around it and leaves the neighboring teeth untouched. A bridge becomes the better answer once the tooth cannot be saved.

A root canal removes infected pulp from inside the tooth, disinfects the canals, and seals them, after which a crown restores the chewing surface. The root stays in the jaw, keeps loading the bone, and holds the neighbors in position. None of that happens once the tooth comes out. Weighed against the resorption figures above, saving a root is worth real effort.

Teeth that cannot be saved share a short list of features: a vertical root fracture, decay that runs below the bone level, or bone support already lost to advanced gum disease. In those situations, extraction followed by a bridge or an implant is the honest recommendation, and delaying it only lets the surrounding structures deteriorate further.

What Can You Get Instead of a Dental Bridge?

Instead of a dental bridge you can get a dental implant, an implant-supported bridge, or a removable partial denture. Each replaces the missing tooth, and each asks something different of your mouth in return.

An implant replaces the root as well as the crown, which is why it is the only option that keeps loading the bone under the gap. A titanium post is placed surgically, integrates with the jawbone over three to six months, and then receives a crown. Because the post stands on its own, the teeth on either side are never touched. For a lone gap between two intact teeth, single tooth replacement with an implant is usually the treatment that preserves the most natural structure.

A removable partial denture replaces one or more teeth with an acrylic or flexible base that clasps onto the remaining teeth and lifts out for cleaning. Partials cover more gum tissue and move slightly during chewing, so they do not feel like natural teeth the way a fixed restoration does. They do avoid surgery entirely and can replace teeth in more than one area of the arch at once, which is the case partial dentures are built for.

The comparison below draws its survival figures from the systematic reviews by Tan, Pjetursson, Lang and Chan in Clinical Oral Implants Research, and its bone-loss figures from the Schropp 12-month extraction study cited earlier.

Factor	Dental Bridge	Dental Implant	Removable Partial Denture
What supports it	Crowns on the two adjacent teeth	A titanium post fused to the jawbone	Clasps resting on remaining teeth and gums
Effect on neighboring teeth	Both are reshaped permanently	None are touched	Clasps load them during chewing
Treatment timeline	Two visits over 2 to 4 weeks	3 to 6 months for osseointegration, then restoration	Two to three visits over a few weeks
Bone preservation under the gap	None; ridge continues to resorb	Yes; the post loads the bone	None; ridge continues to resorb
Documented survival	89.2% at 10 years for conventional designs	86.7% to 95.2% at 5 years for implant-supported bridges	Varies widely; relines and remakes are routine
Fixed or removable	Fixed; only a dentist removes it	Fixed; only a dentist removes it	Removable by the patient
Best suited to	1 to 3 missing teeth with healthy teeth on both sides	A single gap between intact, untouched teeth	Multiple gaps, or when surgery is not an option

When Do Dentists Recommend a Bridge Over an Implant?

Dentists recommend a bridge over an implant when the jawbone under the gap is too thin for a post, when the teeth on either side already need crowns, or when a patient needs the space restored in weeks rather than months. Five factors push the decision toward a bridge:

Bone volume is the first. Implants need a certain height and width of bone to anchor into, and a gap that has been empty for years often no longer has it. Grafting can rebuild the site, but that adds surgical steps and healing time. A bridge spans the same gap without needing bone underneath the pontic at all.

The condition of the neighboring teeth is the second. If the teeth on both sides of the space already have large fillings, cracks, or existing crowns, preparing them for retainers costs nothing that was not already going to be spent. That is the situation where a bridge is clearly the more conservative choice.

Timeline is the third. Osseointegration cannot be rushed, and some patients have a wedding, a move, or a medical treatment that makes a three to six month wait impractical. Health factors are the fourth: uncontrolled diabetes, certain bone medications, heavy smoking, and active gum disease all complicate implant healing in ways a cemented restoration avoids. The number of consecutive missing teeth is the fifth, since replacing three or more in a row usually calls for implant support rather than tooth support at both ends.

We talk all five through before anything is prepared. Our approach to restorative care is to lay out what each path asks of the mouth and let the patient weigh it, which is the same conservative philosophy our doctors apply to every treatment plan.

What Should You Know Before Getting a Dental Bridge?

Before getting a dental bridge, you should know that the teeth on either side of the gap are reshaped permanently to hold it, that the bone under the pontic will keep resorbing, and that the bridge will need replacing at some point. None of those facts argue against the treatment. They argue for going into it informed.

Enamel does not grow back. Once an abutment tooth is prepared for a retainer, it will need a crown on it for the rest of its life. That trade is easy when the tooth already needed restoring and harder when the tooth is pristine, which is exactly why the condition of the neighbors weighs so heavily in the decision.

The pontic also does nothing for the bone beneath it, since it transfers force sideways into the abutments rather than down into the ridge. Over many years that ridge continues to thin, and the underside of the pontic can develop a visible space that needs addressing. Reviewing all the replacement options side by side before committing is the surest way to land on the treatment you will still be happy with in a decade.

Frequently Asked Questions

What Is Better Than a Dental Bridge?

A dental implant is better than a dental bridge for a single missing tooth between two healthy neighbors, because the implant preserves the bone under the gap and leaves the adjacent teeth untouched. Pjetursson and colleagues reported five-year survival between 86.7 and 95.2 percent for implant-supported fixed prostheses. A bridge remains the stronger choice where bone volume is insufficient or the neighboring teeth already need crowns.

What Can You Not Do With a Dental Bridge?

With a dental bridge you cannot chew ice, hard candy, or popcorn kernels safely, and you cannot floss the gap the ordinary way. The pontic is fused to the retainers, so floss has to be threaded underneath it rather than snapped down between the teeth. Everything else, including normal chewing on both sides, returns to normal within about a week.

What Is More Painful, a Bridge or an Implant?

An implant involves more post-operative soreness than a bridge, because placing a titanium post into the jawbone is a surgical procedure while preparing teeth for a bridge is not. Both procedures are done under local anesthesia and neither hurts during treatment. Implant soreness typically settles within several days; bridge sensitivity settles within a few days as the prepared teeth adjust.

Can a Tooth Still Rot Under a Crown?

Yes, a tooth can still rot under a crown, and it happens at the margin where the crown meets the natural tooth rather than under the porcelain itself. Systematic review data put five-year secondary caries at restoration margins at around 1.4 percent for conventional bridge retainers. Daily brushing at the gumline and cleaning between the teeth keeps that margin sealed and healthy.

How Many Teeth Can One Dental Bridge Replace?

One dental bridge most commonly replaces one to three teeth in a row, and in some cases up to four consecutive teeth. Longer spans flex more under chewing force and demand more support, so replacing four teeth requires strong, healthy natural teeth at both ends of the gap. Beyond that span, implant support is usually the better engineering.

Does a Dental Bridge Look Natural?

Yes, a dental bridge looks natural, because the pontic and the retainer crowns are shaded and layered to match the translucency of the surrounding enamel. Porcelain and zirconia both reflect light the way natural tooth structure does. The shade is selected at the first appointment and verified at the try-in before anything is cemented.

The Bottom Line

A dental bridge replaces one to three missing teeth by anchoring a pontic to the teeth or implants on either side of the gap, and it earns its place when those neighboring teeth are healthy enough to carry it and you want the result fixed rather than removable. The research is reassuring on longevity, with conventional bridges surviving at 89.2 percent after 10 years, and it is equally clear about what determines that outcome: the health of the abutment teeth and the cleanliness of the space beneath the pontic.

The decision between a bridge, an implant, and a partial denture comes down to the bone under your gap, the condition of the teeth beside it, and the timeline you are working with. If you have lost a tooth or you are facing an extraction, we are glad to take a look and walk you through what each path would mean for your mouth, without any pressure to decide that day.

At Avalon Dental, we would rather you leave with a clear picture than a quick answer.

Give us a call at 347-472-0318 whenever you are ready, or reach out and we will find a time that works.