Dentistry: Implant Supported Overdentures
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Questions and Answers

What is the primary advantage of converting a patient's original denture into an implant overdenture?

  • Improved aesthetic appeal
  • Increased masticatory forces
  • Enhanced soft tissue support
  • Reduced cost (correct)
  • What is the typical number of implants required for an implant-supported overdenture in the maxilla?

  • Eight to ten implants
  • Six to eight implants (correct)
  • Five to six implants
  • Four to five implants
  • Which of the following is a contraindication for traditional overdentures?

  • Sharp mylohyoid projections
  • High muscle attachment
  • Sensitive mucosa
  • All of the above (correct)
  • What is the primary function of a suprastructure or bar in an implant-supported overdenture?

    <p>To connect the implants rigidly</p> Signup and view all the answers

    What is the main benefit of implant-supported overdentures in the edentulous mandible?

    <p>Enhanced masticatory forces</p> Signup and view all the answers

    Which of the following is a suitable indication for an implant-supported overdenture?

    <p>Patients with superficial placement of the mental foramen</p> Signup and view all the answers

    What is the primary role of the implants in an implant-supported overdenture?

    <p>To provide a stable foundation for the overdenture</p> Signup and view all the answers

    What is the recommended reading material for students to learn more about implant-supported overdentures?

    <p>Both A and B</p> Signup and view all the answers

    What is one advantage of implant overdentures over fixed prosthesis?

    <p>Fewer implants are required</p> Signup and view all the answers

    What is a disadvantage of overdentures in the maxillary region?

    <p>Bone loss in the posterior region</p> Signup and view all the answers

    What type of overdenture combines implant and soft tissue support?

    <p>Implant Retained Overdentures</p> Signup and view all the answers

    What is the recommended treatment option for edentulous mandible?

    <p>Implant Retained Overdentures</p> Signup and view all the answers

    What is an advantage of implant overdentures related to esthetics?

    <p>Teeth can be positioned to enhance esthetics</p> Signup and view all the answers

    What is a characteristic of implant overdentures that allows for better chewing efficiency?

    <p>Reduction of the prosthesis flanges</p> Signup and view all the answers

    Why are implant retained overdentures a cost-effective option?

    <p>Fewer implants are required</p> Signup and view all the answers

    What type of attachment is used in implant retained overdentures?

    <p>O ring attachments</p> Signup and view all the answers

    What is a major advantage of fixed cement retained implant prosthesis compared to overdentures?

    <p>Less food entrapment</p> Signup and view all the answers

    What is a common complication associated with fixed screw retained implant prosthesis?

    <p>Impaired speech</p> Signup and view all the answers

    What is the primary indication for fixed screw retained implant prosthesis in patients with edentulous mandible?

    <p>Moderate to advanced bone resorption</p> Signup and view all the answers

    What is a key benefit of removable prosthesis (overdentures) in medically debilitated patients?

    <p>Less surgical intervention</p> Signup and view all the answers

    What is the primary purpose of the acrylic flange in fixed screw retained implant prosthesis?

    <p>To solve the problem of facial esthetics</p> Signup and view all the answers

    What is a common indication for removable prosthesis (overdentures) in patients with edentulous mandible?

    <p>Geriatric treatment modality</p> Signup and view all the answers

    What is the minimum number of implants required for fixed screw retained implant prosthesis in the mandible?

    <p>Four to five implants</p> Signup and view all the answers

    What is a common complication associated with removable prosthesis (overdentures)?

    <p>Compromised hygiene</p> Signup and view all the answers

    What is the main advantage of screw-retained prosthesis compared to cement-retained prosthesis?

    <p>Easier retrievability</p> Signup and view all the answers

    What is the direction of resorption in the maxilla?

    <p>Upward and inward</p> Signup and view all the answers

    What is the ideal quality of soft tissues surrounding the implants?

    <p>Keratinized mucosa and firmly attached to the periosteum</p> Signup and view all the answers

    What is the primary reason for using a removable appliance in terms of lip support?

    <p>The flange aids in providing lip support</p> Signup and view all the answers

    What is the main benefit of diagnostic wax up?

    <p>Predicting the size, shape, and position of artificial teeth</p> Signup and view all the answers

    What is the recommended Crown Height Space (C.H.S) for posterior teeth?

    <p>8-10mm</p> Signup and view all the answers

    Why are removable appliances preferred in terms of oral hygiene?

    <p>They offer easier oral hygiene protocol</p> Signup and view all the answers

    What is the main limitation in the number of implants used?

    <p>Both financial and anatomical limitations</p> Signup and view all the answers

    What is the primary requirement for a fixed full arch restoration?

    <p>A minimum of 6-8 widely distributed implants</p> Signup and view all the answers

    What is the primary reason for using screw-retained prostheses?

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

    What is the primary drawback of using cement-retained prostheses?

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

    What is the minimum distance required for the interarch space to allow for a PFM restoration?

    <p>Less than 15mm</p> Signup and view all the answers

    What is the primary advantage of using implant-supported overdentures?

    <p>Increased retention and stability</p> Signup and view all the answers

    What is the primary requirement for implant placement in the edentulous mandible?

    <p>At least 6-8 widely distributed implants</p> Signup and view all the answers

    What is the primary function of the suprastructure or bar in an implant-supported overdenture?

    <p>To distribute the load evenly</p> Signup and view all the answers

    What is the primary indication for an implant-supported overdenture?

    <p>To increase retention and stability</p> Signup and view all the answers

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