I know that the first sentence is grammatical, but I'm not sure about the second one.

"Neuromuscular electrical stimulation is also used to treat dysphagia."

"Neuromuscular electrical stimulation is also used in the treatment of dysphagia.



Both are OK.


Possibly #2 sounds a little like it is used in conjunction with other things.

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Do they differ in meaning?


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 Clive's reply was promoted to an answer.