A failed reprocessing audit is rarely a drama about dirty instruments. In this case review, an Ontario dental practice lost its audit on records rather than on technique, and rebuilt its autoclave maintenance log from the ground up. What follows is the problem, the root cause, the corrective work, and the practice's own reported results. The figures are illustrative, clinic-reported sample data from this one site and are not a benchmark for any other clinic.
What went wrong with the original autoclave maintenance log?
The practice had a binder. It had entries. What it did not have was a log that could answer an auditor's questions in the order they were asked. Maintenance tasks were recorded when someone remembered, in a mix of handwriting and loose receipts, and the dates on the entries did not line up with the dates the sterilizers had actually run. When the reviewer asked to see proof that the chamber had been cleaned on schedule, nobody could produce a continuous record.
The second failure was harder to see. Spore test results were recorded on the day they were read, but the daily monitoring rule that governs Ontario dental practice requires a biological indicator for each sterilizer on every day it is used. Some days had a result, some days had a note, and some days had nothing because the clinic believed a weekly cadence was enough. That gap is exactly what a records audit is built to find.
What did the root-cause review find?
Three causes, not one. The first was that the log template had been designed for storage rather than for retrieval, so it grouped tasks by month instead of by sterilizer. The second was that the responsibility was shared informally between two staff, and neither owned the daily entry. The third was that the clinic was following a weekly monitoring habit borrowed from general reading rather than the daily expectation for Ontario, which meant the schedule itself was wrong before a single entry was made.
None of these is exotic. Most record failures in small clinics come down to a template that does not match the questions being asked, plus a task that no single person owns.
How was the autoclave maintenance log rebuilt?
The practice rebuilt the log around four sections, one page per sterilizer per month, and made one named person responsible for the daily entry. Every entry had to carry the sterilizer identifier, the date, the cycle reference, the indicator result, and the initials of the person who read it. Maintenance tasks such as chamber cleaning moved to a fixed weekly slot with a checkbox, and any skipped task had to carry a reason and a rescheduled date.
The spore testing schedule was rewritten to the Ontario daily rule: a biological indicator for each sterilizer on every day it is used. The clinic also added a positive control to every run, so a failed result could be told apart from a test that simply did not work. Our worked example of a rebuilt log, a dental clinic rebuilding its spore test log, follows the same structure.
What changed in the reported numbers after the rebuild?
On the practice's own internal counting, over the two audit periods it compared, the share of days with a complete, legible and correctly dated entry rose from roughly 60 percent before the rebuild to roughly 95 percent after it, and the share of reviewed entries that could be matched to a valid spore test on the same day rose from about 40 percent to about 90 percent. These are the practice's self-reported sample figures from a single-site internal review. They are not published data and should not be read as a typical result.
| Log field or task | Before the rebuild | After the rebuild |
|---|---|---|
| Owner of the daily entry | Shared informally | One named person per sterilizer |
| Record layout | Grouped by month, mixed formats | One page per sterilizer per month |
| Spore testing cadence | Weekly habit | Daily per sterilizer, per Ontario rule |
| Positive control | Not run | Run with every test |
| Maintenance tasks | Recorded when remembered | Fixed slot, checked and dated |
| Days with a complete entry | About 60 percent, self-reported | About 95 percent, self-reported |
| Entries matched to a same-day test | About 40 percent, self-reported | About 90 percent, self-reported |
What should another clinic copy from this review?
Copy the shape, not the numbers. Build the log around the question an auditor will ask rather than around convenience, give the daily task one owner, confirm the monitoring cadence for your own jurisdiction before printing a template, and record a positive control so that a passing result means something. A log that can be read in the order the questions are asked will survive an audit far better than a thicker one that cannot.
The supply side of that rebuild is simple and cheap to set up. A routine of daily spore testing needs a steady biological indicator line, and you can Start with a BI 5-pack trial ($12.99). For the broader monitoring picture, the sterilization monitoring collection group the indicator formats most clinics stock.
Related reading
- A dental clinic rebuilding its spore test log
- How often to spore test under the RCDSO daily rule
- Sterilization monitoring collection
Ordering for a clinic, lab or care home? Wholesale and multi-site ordering covers case pricing and account setup, and the B2B wholesale collection lists the lines stocked for institutional buyers.
Frequently Asked Questions
Why did the practice fail the records audit?
The log could not answer the auditor's questions in the order they were asked. Maintenance entries were inconsistent and undated against actual cycles, and the spore testing schedule followed a weekly habit rather than the daily rule that applies in Ontario.
What was the root cause of the log failure?
Three causes: a template designed for storage rather than retrieval, a shared daily task that no single person owned, and a monitoring schedule that did not match the daily expectation for Ontario sterilizers.
Are the before-and-after figures in this review published data?
No. The percentages are the practice's own self-reported sample figures from a single-site internal review over two audit periods. They are illustrative of one clinic and are not a published benchmark for any other site.
What should another clinic copy from this review?
Copy the shape rather than the numbers. Build the log around the questions an auditor asks, give the daily task one owner, confirm the monitoring cadence for your jurisdiction, and run a positive control with every spore test.
CliniEco Medical is a licensed medical device establishment (MDEL #35334).
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