How Many Dental Implants Do I Need?

giant question mark leaning on a giant tooth

If you are missing teeth, or have damaged, decayed, or old teeth that need to be replaced, dental implants may be the perfect solution for you! Dental implants are a permanent solution that look and feel like your own teeth. They are placed in the jawbone and can be used to replace one tooth or all of your teeth. In this blog post, we will answer the question: “How many dental implants do I need?” by discussing three factors that affect how many implants you need: the number of teeth being replaced, the type of restoration being used, and the amount of bone.

The Number of Missing Teeth

The number of teeth being replaced is the first factor that affects how many implants you need. If you are missing one tooth, one implant and one crown will be used to replace it. If you are missing multiple teeth, implants can be used to support a bridge or denture. In general, for every tooth that is being replaced with an implant, one implant is needed. However, this can change if you have multiple missing teeth that are next to one another.

The Type of Restoration Used

The type of restoration you choose will also affect the number of implants needed. The three most common types of dental implant restorations are crowns, bridges, and dentures.

Crowns

Crowns are typically used to replace one tooth. In this case, one implant is needed for every tooth being replaced with a crown. However, if you have multiple missing teeth that are far away from one another, then you may need to have more than one implant-supported crowns placed.

Bridges

Bridges are typically used to replace multiple adjacent teeth. A bridge is made up of two parts: the false teeth (or pontics) that replace the missing teeth, and the abutments which are placed on each side of the pontics and attached to the implants. The number of abutments needed will depend on how many teeth are being replaced with bridges. In general, most bridges only require two dental implants. However, bridges that span longer distances may require a third implant to provide additional support.

Dentures

Dentures are typically used to replace all of the teeth in the upper or lower arch. Dentures are made up of false teeth that are attached to a gum-colored base. The base is held in place by a number of implants placed around the perimeter of the denture. The total number of implants required to support an implant-supported denture can vary from four to six, to eight, to ten.

Here’s a table showing the typical number of dental implants needed to support different types of dental restorations:

Dental RestorationNumber of Dental Implants
Single Crown1
Bridge2-4
Partial Denture2-4
Full Denture4-6

It’s important to note that the number of dental implants needed may vary depending on your individual needs. Your dentist or oral surgeon will be able to provide more specific recommendations based on your unique situation.

The Amount of Bone

The amount of bone you have in your jawbone is the third factor that affects how many implants you need. In order to place an implant, there must be enough bone to support it. In cases where there is an ample amount of healthy bone, less implants are usually needed. However, more implants may be needed in cases where less bone is present. 

If there is not enough bone in the jaw, then additional bone augmentation procedures may be needed before the implant or implants can be placed. 

Here’s a table showing some common bone augmentation procedures that may be used to prepare a patient’s jawbone for dental implant placement:

Bone Augmentation ProcedureDescription
Sinus LiftA procedure to add bone to the upper jaw in the area of the molars and premolars, where the sinuses are located. This involves lifting the sinus membrane and placing bone graft material in the space created to support the implant.
Ridge ExpansionA procedure to widen or increase the height of the jawbone where it is too narrow or too short to support an implant. This involves making an incision in the gum and carefully expanding the ridge using special tools, then packing bone graft material into the space created.
Bone GraftingA procedure to add bone to the jaw where it is deficient due to injury, disease, or previous tooth loss. This can involve taking bone from another part of the patient’s body (such as the hip or jaw) or using synthetic or donated bone material.

It’s important to note that not all patients will require bone augmentation procedures before dental implant placement, and the specific procedure recommended will depend on your needs and the condition of your jawbone. Your dentist or oral surgeon will be able to provide more specific recommendations based on your unique situation.

In some cases, specialized implants like mini dental implants (MDIs) may also need to be used. Mini dental implants are smaller in diameter than traditional implants, typically less than 3mm in diameter. They are made of titanium, just like regular implants, but their smaller size makes them easier to place and more versatile. MDIs can be used to replace a single missing tooth, multiple missing teeth, or to stabilize dentures.

In Conclusion

In this blog post, we have answered the question: “How many dental implants do I need?” by discussing three factors that affect how many implants you need: the number of teeth being replaced, the type of restoration being used, and the amount of bone. We hope that this information has been helpful to you in determining how many implants you will need. Ultimately, however, you will need to consult with an experienced implant dentist to get a personalized treatment plan.

Dr. Sam Sadati wearing black suite portrait

Dr. Sadati possesses extensive experience in all aspects of advanced restorative dentistry, with an emphasis in cosmetic and implant dentistry.  He has attained Accredited Fellow status in the American Academy of Cosmetic Dentistry (AACD), the most rigorous, demanding credentialing process in the world. He is the only AACD Accredited Fellow in South Florida.