Prosthodontics Lecture 15
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of the posterior palatal seal in a maxillary denture?

  • To provide retention in the anterior area of the maxillary arch
  • To reduce the tendency for gag reflex and provide a good seal in the posterior area (correct)
  • To compensate for the shrinkage of the acrylic resin during processing
  • To determine the anterior border of the maxillary denture
  • How is the seal carved into the cast?

  • With a small dull scraper
  • With a small sharp scraper
  • With a large sharp scraper (correct)
  • With a large dull scraper
  • What is the recommended depth of the seal in the middle of the PPS?

  • 1.5 mm
  • 0.5 mm (correct)
  • 1 mm
  • 2 mm
  • What is the result of under post damming during the final impression?

    <p>Insufficient placement of the PPS area along the posterior border of the denture base</p> Signup and view all the answers

    What is the purpose of the posterior palatal seal area in a maxillary denture?

    <p>To apply pressure within the physiologic limit to assist in the retention of the denture</p> Signup and view all the answers

    What is the purpose of drawing a second line to form a butterfly pattern?

    <p>To place points in the glandular area of the hard palate</p> Signup and view all the answers

    What is the recommended thickness of the palatal surface of a maxillary denture?

    <p>2.5 mm</p> Signup and view all the answers

    What is the technique called when reproducing the natural crinkles and pits on the gingival contour of a denture?

    <p>Stippling</p> Signup and view all the answers

    What is the recommended width of the seal in the glandular area between the hamular notch and the middle of the posterior palate?

    <p>3-4 mm</p> Signup and view all the answers

    How should the slop of the lingual flange of a mandibular denture be designed?

    <p>Free from undercuts and very slightly concave at the lower border</p> Signup and view all the answers

    What is the purpose of smoothing and polishing the denture base after contouring?

    <p>To remove any imperfections and create a smooth surface</p> Signup and view all the answers

    What is the term for the raised area in the interdental space of a denture?

    <p>Papilla</p> Signup and view all the answers

    What is the purpose of drawing a line from the right to the left hamular notches on the cast?

    <p>To determine the posterior palatal seal</p> Signup and view all the answers

    What is the vibrating line of the soft palate used as a guide for?

    <p>Determining the ideal posterior border of the denture</p> Signup and view all the answers

    What is the purpose of instructing the patient to say 'AH' with vigorous bursts?

    <p>To determine the anterior border of the vibrating line</p> Signup and view all the answers

    What is the conventional method of determining the posterior palatal seal area?

    <p>By drawing a line on the cast from one tuberosity to the other</p> Signup and view all the answers

    What is the result of connecting the points in the fovea palatina area and the hamular notch areas on the master cast?

    <p>A solid line representing the posterior palatal seal</p> Signup and view all the answers

    What is the significance of the posterior nasal spine in relation to the vibrating line?

    <p>It projects anteriorly, making the vibrating line a curved line</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser