Mixed Deck — All CIT Topics Flashcards

When selecting implant diameter for a mandibular first molar site with adequate bone width, which dimension is most commonly recommended?

Answer: 4.5-5.0mm wide diameter

Wide-diameter implants (4.5-5.0mm) are preferred for mandibular molar sites to better replicate the wider root footprint and distribute occlusal forces.

The SLA (sandblasted, large-grit, acid-etched) surface modification is primarily designed to:

Answer: Increase surface area for bone cell attachment

SLA treatment creates a micro-rough surface with increased surface area that promotes osteoblast adhesion and accelerates osseointegration.

A clinical photograph shows concavities on the palatal surfaces of maxillary anterior teeth in a patient seeking implant consultation. Which condition should be considered and investigated?

Answer: Bulimia nervosa with acid erosion

Perimolysis — acid erosion on palatal tooth surfaces — is a hallmark of chronic vomiting associated with bulimia, which impacts treatment planning and patient management.

The cortical plate on the palatal aspect of the maxillary anterior ridge is typically thicker or thinner than the labial plate?

Answer: Thicker

The palatal cortical plate of the maxillary anterior ridge is generally thicker and denser than the thin and fragile labial cortical plate, influencing implant angulation planning.

How soon after a service or session should documentation be completed?

Answer: As soon as possible, ideally within 24 hours

Prompt documentation, ideally within 24 hours, ensures accuracy of recorded information and meets professional and legal standards.

Which occlusal scheme is generally recommended for implant-supported full-arch fixed prostheses to minimize lateral forces on implants?

Answer: Bilateral balanced occlusion

Bilateral balanced occlusion distributes lateral forces evenly across all implants during excursive movements, reducing the risk of overloading individual implants or components.

What information should be included when documenting a patient's post-operative implant follow-up visit?

Answer: Clinical findings, healing progress, patient-reported symptoms, and any interventions performed

Follow-up documentation captures the patient's healing status and any clinical actions taken, which is essential for continuity of care.

What is the first step before implementing any treatment procedure?

Answer: Verify patient identity and obtain informed consent

Verifying patient identity and obtaining informed consent is always the first step before any treatment, ensuring patient safety and legal compliance.

What is the recommended minimum temperature and time for steam autoclave sterilization of implant instruments using a gravity cycle?

Answer: 121°C for 15 minutes

A gravity displacement autoclave cycle at 121°C (250°F) for 15 minutes is the standard for wrapped instruments.

What is the significance of a 'predicate device' in the FDA 510(k) clearance pathway?

Answer: It is a legally marketed device to which a new device can be shown to be substantially equivalent

A 510(k) clearance requires demonstrating substantial equivalence to a predicate — a device already legally marketed in the US.

The 'prosthetic table' concept in wide-platform implants is designed to:

Answer: Provide a broader implant-crown junction to reduce cantilever stress on the abutment screw

A wider prosthetic table (platform) on broad-diameter implants reduces the lever arm and bending stress on the abutment screw, improving long-term mechanical reliability.

Which oral hygiene aid is most recommended for cleaning around implant healing abutments during the early post-operative period?

Answer: Soft-bristle toothbrush with gentle circular strokes

A soft-bristle brush with gentle technique minimizes trauma to healing periimplant tissues while removing plaque.

What is the appropriate response to witnessing unethical conduct by a colleague?

Answer: Report the conduct through established channels and document observations

Reporting through established channels with proper documentation follows professional obligations to protect public welfare while ensuring due process.

What is a key challenge in implant design?

Answer: Ensuring that it fits perfectly and integrates well with bone.

A key challenge in implant design is achieving a perfect fit within the patient's unique bone structure and ensuring successful osseointegration. This requires meticulous planning, considering bone density, nerve locations, and sinus cavities, to create an implant that is stable and promotes bone fusion. Any deviation can lead to complications, making precision paramount.

Hydroxyapatite (HA) coating on dental implants is applied primarily to:

Answer: Accelerate early bone-to-implant contact and osseointegration

HA coatings are bioactive and mimic natural bone mineral, accelerating early osseointegration by promoting direct bone apposition.

A patient declines antibiotic prophylaxis before implant surgery despite medical recommendations. The clinician should:

Answer: Document the refusal thoroughly and respect the patient's decision after ensuring informed refusal

Competent patients have the right to refuse recommended treatment; clinicians must document informed refusal to protect both patient and provider.

When probing around a dental implant during a maintenance visit, which finding would most strongly suggest the presence of active peri-implantitis?

Answer: Probing depth of 6 mm with bleeding on probing and suppuration

A probing depth of 6 mm combined with bleeding on probing (BOP) and suppuration (pus) are hallmark clinical signs of active peri-implantitis. Bleeding and suppuration indicate active infection and inflammation, while increased probing depth suggests bone loss has occurred.

Which property of a bone graft material describes its ability to provide a scaffold for new bone ingrowth?

Answer: Osteoconduction

Osteoconduction refers to the scaffold or lattice property that guides new bone growth by providing a physical framework for ingrowth of blood vessels and osteoprogenitor cells.

Prolonged antibiotic use after implant surgery may necessitate prescribing a supplemental antifungal agent. Which antifungal is most commonly used for oral candidiasis in this scenario?

Answer: Nystatin oral suspension

Nystatin oral suspension is the first-line topical antifungal for oral candidiasis (thrush) that can develop after broad-spectrum antibiotic disruption of oral flora.

A healing abutment (healing cap) placed at second-stage surgery is designed to:

Answer: Shape and condition the peri-implant soft tissue emergence profile

Healing abutments emerge through the gingiva and shape the soft tissue to create the correct emergence profile needed for aesthetic prosthetic restoration.