The unglamorous points are free points: clean, lubricate, sterilize, and let the manufacturer’s instructions answer anything you’re unsure of.
4 habits~5 min★ "Per manufacturer’s instructions" is the safe answer
1What & why
Machines last when you maintain them.
The outline lists equipment maintenance as its own task, and the questions are practical: what keeps a handpiece alive (cleaning and lubrication before sterilization), what ruins one (skipping lubricant, wiping instead of autoclaving), and the daily habits around waterlines and suction.
2The maintenance habits
Clean → lubricate → sterilize.
The habitWhy
🧽Clean debris off the handpiece, then lubricate (per manufacturer)
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Before every sterilization cyclepaste slurry is abrasive; unlubricated bearings die in the autoclave
Follow the manufacturer’s instructions (IFU)
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The governing rulethe exam’s safe answer for any “how should it be maintained?” stem
💧Flush waterlines & run suction cleaner
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Daily / between patients per protocolcontrols biofilm in lines and keeps evacuation strong
👀Inspect cords, angles, and attachments
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Catch wear earlya slipping or wobbling prophy angle is replaced, not ignored
3Make it stick
When in doubt: the manufacturer’s instructions.
Maintenance questions have a safety-net answer: clean and lubricate per the manufacturer's instructions, then heat-sterilize. If an option skips cleaning, skips lubricant, or swaps sterilization for a wipe-down — it's wrong.
Clean, lubricate, heat-sterilise — every patient, in that order. Abrasive paste residue plus dry bearings plus autoclave heat is how handpieces die young. When a question asks how anything should be maintained, the manufacturer's instructions for use is the safe answer.
4Check yourself
Before heat sterilization, a low-speed handpiece should be:
Cleaned and lubricated per the manufacturer’s instructions. Abrasive paste residue plus dry bearings plus autoclave heat is how handpieces die young.
4Check yourself
The authoritative source for how any piece of polishing equipment should be maintained is:
The manufacturer’s IFU. It’s the legally and clinically governing document — and the exam’s reliable safe answer on maintenance stems.
Recap
The whole thing in 4 lines.
✓Handpiece cycle: clean → lubricate → heat-sterilize, every patient.
✓The governing rule: manufacturer’s instructions for use.
✓Flush waterlines, maintain suction, inspect attachments for wear.
✓Worn or wobbling parts get replaced, not tolerated.
That’s all of Domain III — position, fulcrum, stroke, restraint, air, errors, asepsis, and upkeep.
39% of the exam now lives in your hands. Domain IV is the paperwork quarter — bigger than everyone expects.