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Implant Dentistry Flashcards

7 cards from real ABP 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. Which implant surface modification technique uses high-energy particle bombardment to create micro-roughness and improve osseointegration?

    Answer: Sandblasting with large-grit aluminum oxide

    Large-grit sandblasting (SLA surface) creates macro- and micro-roughness that enhances protein adsorption and osteoblast adhesion.

  2. A patient presents with peri-implantitis showing 6 mm probing depths and radiographic bone loss of 3 mm. According to current AAP/EFP classification, this represents which stage?

    Answer: Moderate peri-implantitis

    Moderate peri-implantitis is defined by bone loss of 25-50% of implant length or 3–4 mm from the expected bone level, corresponding to this clinical presentation.

  3. The critical threshold for keratinized tissue width around dental implants that is associated with reduced peri-implant inflammation is:

    Answer: ≥2 mm

    A keratinized tissue width of ≥2 mm around implants is associated with better plaque control, less mucosal inflammation, and reduced bone loss.

  4. Which of the following best describes platform switching in implant dentistry?

    Answer: Using a smaller diameter abutment than the implant platform diameter

    Platform switching uses an abutment with a smaller diameter than the implant platform, moving the microgap inward and reducing crestal bone resorption.

  5. Immediate loading of dental implants requires a minimum insertion torque of:

    Answer: 35 Ncm

    Immediate loading protocols generally require a minimum insertion torque of 35 Ncm to ensure adequate primary stability for early osseointegration.

  6. Which bone graft material provides both osteoconductive scaffolding and osteoinductive growth factors without requiring a donor site?

    Answer: Allograft (DFDBA)

    Demineralized freeze-dried bone allograft (DFDBA) retains BMPs and other growth factors, conferring osteoinductive properties alongside its osteoconductive scaffold.

  7. The Implant Stability Quotient (ISQ) measured by resonance frequency analysis reflects:

    Answer: The stiffness of the implant-bone interface

    ISQ values (1–100) measured by resonance frequency analysis quantify the stiffness of the bone-implant interface, correlating with primary and secondary stability.