Surgical Assistance & Implant Placement Flashcards
7 cards from real CIT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Surgical Assistance & Implant Placement flashcards as text
During implant osteotomy, which irrigation method best prevents bone overheating?
Answer: Internal irrigation through the drill at adequate flow
Internal irrigation delivers coolant directly to the cutting surface, most effectively preventing thermal necrosis during osteotomy.
A patient presents with a Siebert Class III ridge defect. This describes:
Answer: Combined horizontal and vertical bone loss
Siebert Class III represents a combination of both horizontal and vertical bone deficiency, the most challenging defect for implant placement.
The critical temperature threshold above which bone necrosis occurs during implant site preparation is:
Answer: 47°C
Bone necrosis begins at approximately 47°C; maintaining bone temperature below this during drilling is essential for osseointegration.
When placing a tissue-level implant versus a bone-level implant, the primary positional difference is:
Answer: Tissue-level implants have the implant-abutment junction at the soft tissue level
Tissue-level implants are designed so the smooth collar and implant-abutment junction rest at or slightly above the mucosal level.
Which retractor is most appropriate for providing lingual access while protecting the floor of the mouth during a mandibular implant procedure?
Answer: Minnesota retractor
The Minnesota retractor is specifically designed to retract the cheek and soft tissues while providing access and protecting adjacent structures in the mandible.
During surgical site preparation, the assistant notices the surgeon is drilling without irrigation. The most appropriate immediate action is:
Answer: Verbally alert the surgeon and prepare irrigation immediately
Immediate verbal communication and preparation of irrigation is critical to prevent thermal bone damage, a time-sensitive complication.
The 'torque wrench' used during implant placement is set to a specific value primarily to:
Answer: Achieve the target insertion torque without over-torquing
The torque wrench is calibrated to a target value (commonly 25–35 Ncm) to achieve adequate primary stability without exceeding the bone's tolerance.