The number of sessions of tooth-scaling and polishing largely depends on such variables as oral hygiene routines, diet, and the existence of dental problems like gum inflammation. 

Thus, in the general recommendations, it is advisable to have your teeth scaled and polished every six months along with a check-up and cleaning.

Scaling and polishing done by a qualified dental practitioner are safe dental procedures not causing any damage to the enamel or gums. 

Nevertheless, overscaling or the use of incorrect technique can cause a form of gingival irritation or abrasion of enamel, which are both short-lived symptoms.

The side effects of teeth scaling and polishing are insignificant and mostly temporary. Some of them include gum tenderness, tooth sensitivity, or mild bleeding. 

However, while severe problems are rare, they may arise if the process is not performed properly or if there is some underlying dental problem. 

It is a must to comply with the instructions your dentist gives you post-treatment to ensure the best results and reduce the risk of any problems.

• The duration of teeth scaling and polishing ranges from one to another depending upon factors such as the texture of tartar buildup, the teeth involved, and the oral health of the individual. 

  
  

  Generally, the process will take about 30 minutes to an hour to be completed.

In most cases, consuming and drinking right after teeth scaling and polishing is safe. 

Although it is advisable to stay away from Hot or Spicy Foods and drinks for say an hour or two, Hard Sticky foods bound to Irritate the sensitive gums or teeth should also be avoided.