Tooth Transplantation in Dentistry
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Questions and Answers

What is tooth transplantation?

  • A surgical extraction of a tooth from one location to another location
  • A surgical movement of a tooth from one location to another location (correct)
  • A surgical implantation of a tooth from one location to another location
  • A non-surgical movement of a tooth from one location to another location

    • What is xenotransplantation?

  • Transplanting teeth from a donor tooth to a recipient site
  • Transplanting teeth from one site to another in the same individual
  • Transplanting teeth from one individual to another
  • Transplanting teeth from a different species to a human (correct)

    • What is an indication for tooth transplantation?

  • Unstable donor tooth
  • Inadequate bone support
  • Replacement of missing teeth (correct)
  • Severe periodontal disease

    • What is a contraindication for tooth transplantation?

    <p>Inadequate bone support</p> Signup and view all the answers

    What is autotransplantation?

    <p>Transplanting teeth from one site to another in the same individual</p> Signup and view all the answers

    What is allotransplantation?

    <p>Transplanting teeth from one individual to another</p> Signup and view all the answers

    What is the earliest reported case of tooth transplantation?

    <p>In ancient Egypt</p> Signup and view all the answers

    What is the current status of tooth autotransplantation?

    <p>It has a high success rate</p> Signup and view all the answers

    What is the ideal stage of root development for a donor tooth?

    <p>One-half to two-thirds root development</p> Signup and view all the answers

    What is the advantage of having an open apex in a transplanted tooth?

    <p>More chance of revascularization and reinnervation</p> Signup and view all the answers

    What is the survival rate of transplanted premolars with incomplete roots up to 13 years?

    <p>95% to 98%</p> Signup and view all the answers

    What is a common complication of tooth transplantation?

    <p>All of the above</p> Signup and view all the answers

    What is a possible cause of complications in tooth transplantation?

    <p>Inadequate vascularization</p> Signup and view all the answers

    What is an advantage of autotransplantation over other restorative methods?

    <p>All of the above</p> Signup and view all the answers

    What is the recommended time limit for extra-alveolar time during surgery?

    <p>30 minutes</p> Signup and view all the answers

    What is a complication that can occur due to inadequate gingival cuff closure?

    <p>All of the above</p> Signup and view all the answers

    Study Notes

    Tooth Transplantation

    • Tooth transplantation is a surgical movement of a tooth from one location to another location in the same person (autotransplantation), different person (allotransplantation), or different species (xenotransplantation)

    Types of Tooth Transplantation

    • Autotransplantation: surgical transplantation of a tooth from one site to another in the same individual
    • Allotransplantation: transferring a tooth from one individual to another of the same species
    • Xenotransplantation: transplanting teeth from a different species to a human

    Indications and Contraindications

    • Indications: replacement of missing teeth, malpositioned teeth, orthodontic reasons, and developmental abnormalities
    • Contraindications: inadequate bone support, severe periodontal disease, unstable donor tooth, advanced age, and uncontrolled habits

    Success Factors

    • Continued vitality of periodontal tissues
    • Donor teeth are premolars with one-half to two-third root development
    • Sustained minimal trauma and limited extraoral time during surgery
    • Stage of root development: open apex allows revascularization and reinnervation, while closed apex has a higher incidence of pulp necrosis and root resorption
    • 95-98% survival rate of transplanted premolars with incomplete roots up to 13 years, and 82% for premolars with complete root formation up to 4 years

    Complications and Management

    • Complications: rejection, infection, failure of integration, root resorption, pulpal necrosis, periodontal pocket formation, and alveolar bone loss
    • Possible causes: extra-alveolar time, trauma, infection, inadequate vascularization, improper positioning, inadequate gingival cuff closure, excessive force, and improper healing

    Advantages over other Restorative Methods

    • Biocompatibility
    • Functional benefits
    • Cost-effectiveness
    • Preservation of adjacent teeth

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    Description

    This quiz covers the basics of tooth transplantation, including types, indications, contraindications, procedure, success factors, and complications.

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