She works on most aspects of teeth care. Lady, sign in! Teeth damaged? (6,9)

I believe the answer is:

dental hygienist

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'she works on most aspects of teeth care' is the definition.
I can't judge whether this definition defines the answer.

'lady sign in teeth damaged?' is the wordplay.
'damaged?' indicates an anagram.
'lady'+'sign'+'in'+'teeth'='ladysigninteeth'
'ladysigninteeth' anagrammed gives 'DENTAL HYGIENIST'.

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I've seen this clue in the Sydney Morning Herald.

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