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Fixed and Removable Prosthodontics Flashcards

7 cards from real AGD practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Fixed and Removable Prosthodontics flashcards as text

  1. Which impression material is most appropriate for capturing fine detail in a full-arch fixed prosthesis preparation?

    Answer: Polyvinyl siloxane (PVS)

    Polyvinyl siloxane offers excellent dimensional stability, detail reproduction, and tear resistance, making it the gold standard for final impressions in fixed prosthodontics.

  2. A patient presents with a Kennedy Class II partial edentulous arch. How many modification spaces are allowed before the classification changes?

    Answer: One modification space

    Kennedy Class II (unilateral distal extension) allows only one modification space; a second modification would change the classification.

  3. What is the primary purpose of a surveyor in removable partial denture (RPD) design?

    Answer: To determine the path of insertion and identify undercuts

    A dental surveyor identifies the path of insertion, measures undercut depth, and helps design retentive and reciprocal components of an RPD.

  4. Which type of connector in an RPD framework crosses the midline and joins the bilateral components?

    Answer: Major connector

    The major connector (e.g., palatal bar or lingual bar) crosses the midline and rigidly joins all components of the RPD framework.

  5. During crown preparation for a posterior full-coverage restoration, which axial reduction guideline is most appropriate for a metal-ceramic crown?

    Answer: 1.5–2.0 mm facial reduction

    Metal-ceramic crowns require approximately 1.5–2.0 mm of facial (buccal) reduction to accommodate both the metal coping and the porcelain layer.

  6. Which occlusal scheme is typically recommended for complete denture patients?

    Answer: Lingualized occlusion or bilateral balanced occlusion

    Bilateral balanced occlusion or lingualized occlusion distributes occlusal forces evenly during all excursive movements, reducing denture instability.

  7. A patient's complete maxillary denture exhibits a 'clicking' sound during speech. Which denture fault is most likely responsible?

    Answer: Excessive vertical dimension of occlusion

    Excessive vertical dimension of occlusion reduces freeway space, causing the teeth to contact during speech and producing a clicking sound.