Teeth rotted below gum line
Decay below the gum line can destroy root surface or reach the pulp, and it usually needs dental treatment rather than home care. Root exposure from gum re
The short answer
Decay below the gum line can destroy root surface or reach the pulp, and it usually needs dental treatment rather than home care. Root exposure from gum recession exposes less-mineralized cementum and dentine to plaque acids. Decay can also begin at a filling margin, crown edge, or hidden fracture.

What is the direct answer?
What does this question mean?
Root exposure from gum recession exposes less-mineralized cementum and dentine to plaque acids. Decay can also begin at a filling margin, crown edge, or hidden fracture.
What can you do next?
Clean gently with a soft brush and fluoride toothpaste, reduce frequent sugary or acidic exposures, and avoid hard foods on the weakened tooth. Do not pack the cavity with household materials.
When should you seek dental care?
Arrange an examination for a dark or soft area, food trapping, or bleeding. Pain, swelling, fever, or drainage requires prompt assessment.
What should you ask the dentist?
Ask whether the lesion is on root cementum, dentine, a restoration margin, or the crown, and whether restoration or pulp treatment is needed.
Frequently asked questions
Can this be managed only at home?
Clean gently with a soft brush and fluoride toothpaste, reduce frequent sugary or acidic exposures, and avoid hard foods on the weakened tooth. Do not pack the cavity with household materials.
When should I arrange an examination?
Arrange an examination for a dark or soft area, food trapping, or bleeding. Pain, swelling, fever, or drainage requires prompt assessment.
