Category: R

  • Retruded contact

    The contact that occurs during the closure of the mandible in its most retruded path of closure.  

  • Retrospective study

    A study designed to observe events that have already occurred. A study of data from the past. Case-control study. An inquiry planned to observe events that have already occurred (a case-control study is usually retrospective) compare with a prospective study which is planned to observe events that have not yet occurred. A backward-looking review of…

  • Retromylohyoid area

    An obsolete term referring to the area located lingual to the retromolar tissue pad extending inferiorly toward the floor of mouth and distally to the retromylohyoid curtain.  

  • Retromolar pad

    Mass of freely movable, nonkeratinized mucosal tissue located posterior to the retromolar papilla of the most distal tooth in the mandible.  

  • Retromolar implant

    Endosseous dental implant placed in the mandibular retromolar area for the purpose of protraction or retraction of the dentition.  

  • Retrognathism

    Position of mandible and/or maxilla that is posterior to its normal craniofacial relationship. Typically refers to the mandible. A type of malocclusion in which the jaw and upper front teeth project too far forward.  

  • Retrognathic

    Position of the mandible in relationship to the maxilla where the mandible is retruded from its normal position.  

  • Retrofilling

    Apical reflection of soft tissue and bone to expose the root tip where a preparation is made and filled with material to seal a root canal. The placement of filling material in a root canal through an opening made in the apex of the tooth.  

  • Retrievability

    Capacity of a prosthesis, dental restoration, attachment, or screw to be removed without compromising its structure.  

  • Retractor

    Instrument used to hold soft tissue away from bony structures in order to visualize an area during surgery or to photograph an area. An instrument used for holding tissues apart during a surgical procedure. A surgical instrument which pulls and holds back the edge of the incision in an operation. Instrument used in surgery to…