scaling should be done once in every 6-8 months, it doesn't cause any sort of loosening instead it removes all the tartar and help the gums and teeth to regain health, Bad breath has multiple causes,in case it is associated with your oral cavity, you would just need scaling and post that you will take care of your teeth and also clean your tongue on a regular basis

Scaling is a process of removing deposits from your teeth surfaces. It helps to maintain the health of your gums and teeth. Loosening of teeth as a result of scaling is a myth. Bad breath can be due to a number of reasons, one being deposits. Get yourself assessed. Make it a habit to brush twice daily using a soft bristled brush. Swish your mouth after every meal. Do rinses using luke warm water and pinch of salt.

Normally it is advised to get scaling done after every 6 months. Scaling doesn't loosen teeth, it is just a myth. To prevent bad breath, do warm saline rinses thrice a day. Maintain oral hygiene. Do brushing twice a day.

Scaling doesn't loosen teeth. It can be done every few months depending upon  the oral hygiene. Scaling helps to reduce bad breath to a large extent. Besides this cleaning of tongue and inner areas of cheek regularly is recommended. Drink plenty of water. And brush your teeth twice daily to avoid bad breath.