You can use any ultra flosser. But its compulsory to do teeth cleaning from dentist every 6 months as none of the home care measures clean every nook and corner of teeth and gums.
Go through the blog in the link below.
Next Steps
Visit dentist for clinical examination and ultrasonic scaling.
Health Tips
"10 Dental Commandments for Happy Teeth!" by Dr.Rashmi Bamane - https://www.practo.com/healthfeed/10-dental-commandments-for-happy-teeth-40426/post