Hello,
You can maintain good oral hygiene to avoid infections ( Pericoronitis )around your impacted tooth.
If you are not having pain , decay or any sort of problems with your impacted tooth it is less likely that excess salivation is due to your wisdom tooth.
Next Steps
If the impacted tooth is having decay, or if the tissue around the tooth seems to be infected then it is advised to seek consultation.
Health Tips
Can use any fluoridated mouthwash to maintain good oral hygiene along with healthy brushing habits.