The word “implant” is often used to describe an entire replacement tooth. More precisely, a dental implant is the part placed in the jawbone to support an artificial tooth. The visible tooth is a separate part of the implant system.
That distinction makes many dental explanations easier to follow.
The three main parts
A dental implant system for a single replacement tooth is commonly described in three parts:
- The implant body is placed in the jawbone. It takes the place of the support normally provided by a tooth root, but it is a manufactured medical device rather than a natural root.
- The abutment is a connector attached to the implant body. It extends from the implant body through the gum area and supports the artificial tooth above it.
- The crown is the tooth-shaped part that is visible in the mouth.
Some systems also use a small fixation screw to connect the abutment to the implant body. The exact shape and connection can differ among implant systems, but the basic idea is the same: a support in the jaw connects to a replacement above the gum.
“Implant” does not always mean “crown”
In everyday conversation, someone may point to a replacement tooth and call the whole thing an implant. A dental professional may use “implant” more narrowly to mean the implant body in the jaw.
The surrounding words help clarify the meaning:
- Implant body: the part in the jawbone
- Abutment: the connector
- Crown: one artificial tooth supported by the implant
- Bridge: connected artificial teeth that can be supported by implants
- Denture: a replacement for several or all teeth that can also use implants for support
This is why two people can both say “implant” while referring to different parts of the same system.
How the implant relates to bone
After an implant body is placed, the bone around it goes through a healing process called osseointegration. The word means that the implant and bone become connected.
Osseointegration describes a biological process around the implant body. It is different from attaching the abutment or making the visible replacement tooth.
The broad sequence
Descriptions of implant treatment often separate the process into broad phases:
- The implant body is placed in the jawbone.
- A healing phase allows osseointegration to occur around the implant body.
- The abutment and artificial tooth or teeth are attached.
These phases may be arranged differently in different clinical situations. The important point for understanding the vocabulary is that placement of the implant body and attachment of the visible replacement are distinct parts of the process.
One implant can be part of different restorations
An implant body is a support. What it supports is called a restoration or prosthesis.
For one missing tooth, the visible restoration may be a crown. Implants can also support a bridge that replaces more than one tooth. They can also help support a denture.
The crown, bridge, or denture is not embedded in the jawbone. It connects to one or more implant bodies through abutments or other implant components.
An implant is one way a dental team may support replacement teeth, not a synonym for every missing-tooth option. Tooth Replacement Options: The Basics explains the broader vocabulary without choosing an option for you.
Fixed and removable are separate terms
Implant-supported teeth may be described as fixed or removable.
- Fixed means the restoration is not intended to be taken out by the person wearing it.
- Removable means the person can take the restoration out, even though implants help hold it in place while it is being worn.
These words describe the restoration above the implants. They do not change the basic definition of the implant body as the part placed in the jaw.
Questions that can clarify an implant conversation
If a dentist mentions an implant, it can help to ask:
- When you say “implant,” which part of the system do you mean?
- What type of replacement would the implant support: a crown, bridge, or denture?
- Which parts of the process would happen at separate appointments?
- Who would place the implant body, and who would make the restoration?
- What alternatives are being considered for the missing tooth or teeth?
These questions are about understanding the proposed plan. Whether an implant is appropriate depends on an individual clinical assessment. If the conversation follows removal of a tooth, What Is a Tooth Extraction? provides separate background on that procedure.
The takeaway
A dental implant is not the same thing as an entire replacement tooth. It is the support placed in the jawbone. An abutment connects that support to a crown, bridge, or denture. Understanding those parts—and the difference between implant placement, osseointegration, and attachment of the visible restoration—makes the terminology much clearer.
Sources
- Dental Implants: What You Should Know — U.S. Food and Drug Administration
- Implants — MouthHealthy / American Dental Association