Practice Test GeeksDDS - Doctor of Dental Surgery Practice Test
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Practice Flashcards

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

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  1. A patient presents with a fractured maxillary central incisor involving the pulp. The tooth is fully developed with a closed apex. What is the most appropriate initial treatment?

    Answer: Root canal treatment

    A fully developed tooth with pulp exposure from trauma is best treated with root canal therapy to prevent infection and preserve the tooth.

  2. When taking a full-mouth series of periapical radiographs, the paralleling technique is preferred over bisecting angle because it:

    Answer: Produces less image distortion and more accurate representation

    The paralleling technique minimizes geometric distortion because the film is parallel to the tooth's long axis and the X-ray beam is perpendicular to both.

  3. A 35-year-old patient has a 5 mm probing depth at a mandibular molar with bleeding on probing and 3 mm of clinical attachment loss. How would you classify this finding?

    Answer: Stage II periodontitis

    Stage II periodontitis is characterized by clinical attachment loss of 3–4 mm and probing depths of 5–6 mm.

  4. Which local anesthetic is CONTRAINDICATED in a patient with a documented allergy to para-aminobenzoic acid (PABA) derivatives?

    Answer: Procaine

    Procaine is an ester-type anesthetic that is metabolized to PABA, making it contraindicated in patients with PABA allergies.

  5. During a crown preparation, the dentist notices the preparation has a 2-degree taper. What is the clinical consequence?

    Answer: The preparation may lack adequate retention

    Optimal taper for crown preparations is 10–20 degrees; a 2-degree taper makes seating the crown difficult and may impede full seating.

  6. A patient undergoing extraction requires anticoagulation management. Their INR is 2.8. What is the best course of action?

    Answer: Proceed with extraction using local hemostatic measures

    Current evidence supports proceeding with dental extractions when INR is ≤3.5 using local hemostatic measures, avoiding systemic anticoagulation reversal.

  7. Which cement is most appropriate for final cementation of a zirconia crown?

    Answer: Resin cement

    Resin cement provides optimal bond strength to zirconia, especially when used with appropriate surface treatment and primers.