Thanks for sharing your concern.
Generally few patients experience such symptoms after dental treatment.Do not worry you will be fine.
please do not use any further antiseptic mouthwashes or disinfectant.I would
suggest you to do frequent warm saline gargle.
The altered taste
sensation relieves by its own slowly. just do regular brushing and flossing.
observe for a week,if any changes,report to dentist
.do not avoid food.take good and nutritious food for early recovery.
relax you will be fine soon.
take care .
Take complete rest.
has to be avoided.