Most traditional bridges are supported by crowns on teeth on both sides of a gap. A cantilever bridge is different: the replacement tooth is attached to a supporting tooth on only one side. This design can be useful in specific situations, particularly for replacing a single front tooth, but it is not suitable everywhere in the mouth.
The replacement tooth, called a pontic, is joined to a crown or a bonded wing on one neighbouring tooth. That single tooth carries the load of the replacement tooth. Because the force is only on one side, the design relies on the strength of the supporting tooth and on careful control of the bite. Modern cantilever bridges are often made from ceramic or zirconia for strength and natural appearance.
Cantilever bridges work well for replacing a single missing front tooth, especially an upper lateral incisor, where biting forces are relatively low. They can also be useful when only one neighbouring tooth is healthy enough to support a bridge, or when the tooth on the other side should not be prepared. Resin-bonded cantilever designs can be very conservative, requiring little or no drilling of the supporting tooth.
Only one tooth is involved, so less natural tooth structure is altered compared with a conventional bridge that needs two crowns. Treatment is usually quicker and less expensive than an implant and does not require surgery. Cleaning can also be simpler than with a three-unit bridge, as there is only one connection to clean around.
Because the load is concentrated on one tooth, cantilever bridges are generally not recommended for back teeth, where chewing forces are high. Excessive force can loosen the bridge, damage the supporting tooth or cause it to fracture. People who grind their teeth or have a heavy bite may not be good candidates. Careful bite adjustment is essential.
Clean under the replacement tooth daily with superfloss, a floss threader or a water flosser, and brush the supporting tooth carefully along the gumline. Avoid biting directly into hard foods with the bridge. Attend regular check-ups so your dentist can monitor the supporting tooth and the bond, and wear a night guard if you grind.
Implants replace a missing tooth without relying on neighbouring teeth and are often the preferred long-term option where bone and health allow. Conventional bridges spread forces across two supporting teeth. Maryland bridges use bonded wings on one or both sides. Your dentist will discuss which option best balances tooth preservation, strength, cost and appearance for your situation.
For front teeth with a balanced bite, yes. They are generally not recommended for back teeth with heavy chewing forces.
With good care and suitable case selection, many last for years. Regular check-ups help detect problems early.
It depends on your situation. Implants avoid relying on neighbouring teeth, while cantilever bridges are quicker and less invasive.
Discuss whether a cantilever bridge suits your missing tooth. Learn more about crowns and bridges in Al Ain.
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