Scaling your teeth, performed by your dental hygienist, is an important procedure for maintaining good oral health. Depending on your condition, the dentist and dental hygienist can determine the ideal frequency for maintaining your health. This can vary from 3, 6 or 9 months to a minimum of once a year, every 12 months. Various tips on oral hygiene habits can be discussed with you, to help prevent gum disease and tooth decay.