Can You Have Two Teeth on One Implant?

Do you want to close that gap in your smile, but feel hesitant to get multiple implants? In some cases, just one dental implant can be attached to two adjacent crowns for multiple tooth loss. However, this would depend on  jawbone health, bite forces, and dentist’s assessment of your condition. 

Connecting two teeth to a single implant maximises the jawbone’s strength in a specific area, especially if other parts are thin or not as strong. This isn’t always possible, though, because it’s unsuitable for replacing teeth that are used mainly for biting or chewing. 

It also has a low success rate because one tooth is not directly supported by the implant. This is why this method isn’t commonly used.

Because of the risk of failure, it’s important to consider these things before planning to support two teeth with just one implant. 

Factors impacting whether you can support two teeth with one implant

• Bone density

It should be thick and strong enough to support the titanium post, which will then anchor two crowns in place. Anything less than a healthy jawbone condition would increase the risk of the procedure failing. If possible, bone grafting can be done to improve the condition of the bone so it becomes eligible for implants. 

• Size

This method is more suitable for small teeth that typically don’t work as hard as the larger ones. The implant’s size also matters, because it should be big enough to support two dental crowns. It should also be larger than the artificial tooth directly connected to it to reduce the risk of failure. 

• Location

Front teeth typically use less force for biting or chewing compared to molars. They’re the top candidates for using one implant to anchor two crowns. Their location makes them less likely to fail, especially since they don’t usually exert strong biting force. 

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Conclusion

Two teeth can be supported by one implant, but it isn’t usually done. This is because the tooth that’s not directly connected to the metal post has a high risk of failing. To increase this method’s potential for success, it’s important to consider the implant’s size, the condition of the jawbone, and tooth location. 

FAQs

1. Why does the method have a high failure rate?

It’s more likely to fail because there’s one artificial tooth that’s not directly supported by the implant. Even though two crowns can be anchored to one implant, the “floating” one has weaker force and is more at risk for damage. 

2. Does it work for all teeth?

No. It’s mostly recommended for front teeth that are not typically used for intense chewing.

3. Why isn’t it suitable for back teeth?

Molars use strong force for biting, which increases the risk of the unsupported crown failing. 

4. How many implants are needed to support a full arch of teeth?

Typically, we would need 4 to 6 posts to anchor a complete set of artificial teeth in a given arch. 

5. Can an implant hold 3 to 4 teeth?

No. With this number of teeth, we recommend using at least 2 implants for full support and safe use.  

6. Can one implant hold two crowns that are not adjacent?

No. An implant can only hold two artificial teeth if they’re side-by-side. 

7. How can the implant help my jawbone?

The titanium post stimulates the surrounding tissue, so that the jawbone doesn’t weaken and become thinner over time. 

8. Is there any way to have implants if my jaw is thin?

Yes. If you’re eligible, a bone graft can be done first to improve the condition of the jaw. Once the bone becomes strong and wide enough, we can place the implants to solve tooth loss.