Fixed Prosthodontics Key Terms

Abutment

• Each component of the fixed bridge

• Artificial tooth that replaces a missing natural tooth

• A tooth, root, or implant used for support and retention of a fixed or removable prosthesis

• Dental prosthesis with artificial teeth fixed in place and supported by attachment to natural teeth

Pontic

• Each component of the fixed bridge

• Artificial tooth that replaces a missing natural tooth

• A tooth, root, or implant used for support and retention of a fixed or removable prosthesis

• Dental prosthesis with artificial teeth fixed in place and supported by attachment to natural teeth

Unit

• Each component of the fixed bridge

• Artificial tooth that replaces a missing natural tooth

• A tooth, root, or implant used for support and retention of a fixed or removable prosthesis

• Dental prosthesis with artificial teeth fixed in place and supported by attachment to natural teeth

Articulator

• Dental laboratory device that stimulates mandibular and temporomandibular joint movement when models of the dental arches are attached to it

• Metal post placed into the root canal of an endodontically treated to improve the retention of a cast restoration

• Enamel margin of a tooth preparation

• Tapered finish line of the margin at the cervical area of a tooth preparation

Bevel

• Dental laboratory device that stimulates mandibular and temporomandibular joint movement when models of the dental arches are attached to it

• Metal post placed into the root canal of an endodontically treated to improve the retention of a cast restoration

• Enamel margin of a tooth preparation

• Tapered finish line of the margin at the cervical area of a tooth preparation

Shoulder

• Each component of the fixed bridge

• Artificial tooth that replaces a missing natural tooth

• A tooth, root, or implant used for support and retention of a fixed or removable prosthesis

• Margins of a tooth preparation for a cast restoration

Cast Post

• Dental laboratory device that stimulates mandibular and temporomandibular joint movement when models of the dental arches are attached to it

• Metal post placed into the root canal of an endodontically treated to improve the retention of a cast restoration

• Enamel margin of a tooth preparation

• Tapered finish line of the margin at the cervical area of a tooth preparation

Chamfer

• Dental laboratory device that stimulates mandibular and temporomandibular joint movement when models of the dental arches are attached to it

• Metal post placed into the root canal of an endodontically treated to improve the retention of a cast restoration

• Enamel margin of a tooth preparation

• Tapered finish line of the margin at the cervical area of a tooth preparation

Core

• An accurate replica of the prepared portion of a tooth used in the laboratory during a fabrication of a cast restoration

• Portion of a post that extends above the tooth structure

• Cast restoration that covers the entire anatomical crown of the tooth

• Means of displacing gingival tissue away from a tooth

Die

• An accurate replica of the prepared portion of a tooth used in the laboratory during a fabrication of a cast restoration

• Portion of a post that extends above the tooth structure

• Cast restoration that covers the entire anatomical crown of the tooth

• Means of displacing gingival tissue away from a tooth