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Local anaesthesia is typically used, as removing a tooth is a fairly short and simple procedure and it is simpler to have the patient awake during it.
General anaesthesia might be used if the patient has a strong fear or intolerance of dentistry.
Eliminating wordiness means removing unnecessary words, or simplifying an unnecessessarily long and and convoluted answer.
In other words, make it simpler and shorter.
The Backgrounds were simpler (Apex) 2020-2021
Why can't it get any simpler
the simpler of tracheophytes is cell wall