Fresh tooth was first to be so showily fresh (10)

I believe the answer is:

newfangled

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'so showily fresh' is the definition.
'newfangled' can be an answer for 'fresh' (thesaurus). I'm not certain of the 'so showily' bit.

'fresh tooth was first' is the wordplay.
'fresh' becomes 'new' (similar in meaning).
'tooth' becomes 'fang' (fang is a kind of tooth).
'was first' becomes 'led' (I've seen this in another clue).
'new'+'fang'+'led'='NEWFANGLED'

'to be' is the link.

Can you help me to learn more?

(Other definitions for newfangled that I've seen before include "(Unnecessarily) different from what one is used to" , "on the bleeding edge?" , "Excessively modern" , "like nothing seen before" , "Modern and familiar" .)

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

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