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Thanks for putting up your question on Just Answer.
If the device that you are using is covering any part of the extraction socket, then yes it can interfere with healing. From what you describe, the swelling you have in your gums could be a residual; infection . Are you taking antibiotics? If yes, then give it some time, the swelling will go down.
If no, then please contact your dentist for prescription antibiotics immediately.
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Good Luck !