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Cantilever bridges are fixed dental bridges held in place on only one side of a missing tooth.
A cantilever is a beam that extends out horizontally and only has support on one end. Like cantilever bridges in architecture, cantilever dental bridges use support from one side to prop up the middle false tooth.
A cantilever bridge is used when there is only one abutment (supporting) tooth available and there won’t be too much biting force on the prosthetic tooth.
Cantilever bridges are acceptable for front tooth replacements since the other front tooth acts as the abutment. This way, the bridge won’t be under as much pressure as it would in the back of the mouth. The back teeth must be able to sustain a lot of chewing force.
Cantilever bridges also require healthy gum tissue, good occlusion (teeth need to fit together well), and good oral hygiene.1
Cantilever bridges, like other types of dental bridges, come with advantages and disadvantages.
The following are reasons cantilever bridges may be preferred:1, 2, 3
The drawbacks of cantilever bridges are:1, 2, 3
The entire cantilever bridge process takes more than one dentist visit. The dentist will need to take impressions for the bridge and crown that will be placed on the abutment tooth.
Your dentist will prepare the abutment tooth in order to fit the crown. A temporary crown and/or bridge may be placed. The impressions your dentist took will be sent to a lab, where they’ll be used to create your new crown and bridge.
Once they’re ready, your new permanent crown and bridge will be adjusted and cemented in place. Your dentist will provide you with post-placement instructions. To ensure the longevity of your bridge, maintain good oral hygiene and avoid excess sugar and sticky, starchy snacks.
Allowing oral bacteria to propagate through poor diet and oral hygiene may contribute to bridge damage or failure. You’ll also want to stay away from hard or sticky foods. These foods can cause damage and make the area around the bridge harder to keep clean.
Cost estimates for a cantilever bridge range from $500 to $2,700.5, 6, 7 Costs vary depending on your location, insurer, and the tooth or teeth being replaced.
For a better idea of what a cantilever bridge might cost, consult your dentist. You might want to talk to your insurer as well.
A cantilever bridge is not the only kind of dental bridge available. Your specific situation and needs may not make you a good candidate for one. This is especially true if the tooth you need to replace is a molar.
Another effective option is dental implants.8 These are metal fixtures implanted in your jawbone with a crown or bridge attached.
Another option is partial dentures, which are removable and must be taken out of your mouth on a daily basis.
There are pros and cons to both bridges and implants, and your situation may call for one over the other. Your dentist can help you make an informed decision about the best treatment option for your needs.
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