Cryptic crossword clue
Diminutive canine surgical scraping instrument 7

The most common and most likely answer to this crossword clue is the 7 letter word CURETTE

I've seen this crossword clue in The Guardian
C
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The straight part
We know that "surgical scraping instrument" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case surgical scraping instrument = curette.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does CURETTE mean?

CURETTE noun
  1. A spoon-shaped surgical instrument for cleaning a diseased surface.
CURETTE verb
  1. To scrape with a curette.

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