Dental hygiene during the orthodontic therapy must be kept at the highest level because the brackets and archs often retain food. This is why teeth must be brushed regularly, interdental toothbrush must be used and in order to avoid appearance of cavities, flossing is recommended after every meal.
Also, regular follow-ups with a dentist are required so as to prevent and avoid possible cavities or in case of cavities, immediate actions to be taken to fix it as soon as possible.