Study short lecture about choppers (6)

I believe the answer is:

dental

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'study short lecture about choppers' is the definition.
I can't tell whether this definition defines the answer.

'study short lecture' is the wordplay.
'study' becomes 'den' (term for a study or office).
'short' means to remove the last letter.
'lecture' becomes 'talk' (synonyms).
'talk' with its last letter removed is 'tal'.
'den'+'tal'='DENTAL'

Can you help me to learn more?

(Other definitions for dental that I've seen before include "Concerning teeth" , "Concerned with teeth" , "Relating to teeth" , "concerned with choppers" , "Pertaining to teeth" .)

I've seen this clue in The Daily Mail.

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