Glossary

Author: Glossary

  • Impression wand

    Hand‐held device used for intraoral digital scanning.  

  • Impression tray

    Container used to transport impression medium to the mouth and to limit material flow around the structures to be recorded while the material sets to form an impression. In dentistry, a receptacle with raised edges for carrying impression material and supporting it in contact with the surfaces to be recorded until the impression material sets…

  • Impression taking

    Act of recording the negative likeness of anatomic structures in a suitable medium for a positive reproduction in the form of a cast or moulage.  

  • Impression material

    Any substance or combination of substances used for making an impression or negative reproduction. Any of a variety of deformable materials used to make a negative reproduction of oral structures. Some common impression materials are waxes, polymers, elastomers, reversible hydrocolloids, and irreversible hydrocolloids.  

  • Impression coping

    A device that registers the position of a dental implant or dental implant abutment in an impression. It may be retained in the impression (direct) or may require a transfer from intraoral usage to the impression after the attachment of the corresponding analog (indirect).  

  • Impression

    An accurate reproduction, in the negative form, of an individual’s dentition and other important anatomical structures contained within the oral cavity. A mould of a person’s jaw made by a dentist before making a denture. A depression on an organ or structure into which another organ or structure fits. Mold of a part of the…

  • Implantology

    A term historically conceived as the study or science of placing and restoring dental implants.  

  • Subperiosteal i

    A dental implant placed on the external surface of the maxillary or mandibular alveolar or basal bone. It is designed to provide support for attachment of a dental prosthesis. The implant is not designed to enter the bone, although there may be retentive screws that do, or, with time, the implant may settle into the…

  • Root‐form i

    An endosseous implant that obtains support from the vertical height of alveolar or basal bone. It is frequently made from metal or ceramic and may have a cylinder shape that is tapered, threaded, perforated, solid, and/or hollow. The surface may be coated, smooth, or textured.  

  • Ramus frame i

    A complete mandibular arch implant with a tripoidal design that consists a horizontal supragingival connecting bar with terminal left and right posterior ends that pass through the soft tissue and enter the bilateral rami of the mandible. There is also an inferior anterior plate that passes through the soft tissue and enters the bone of…