Yes it is definitely possible provided your affected teeth are still firm and not mobile (loose). Usually in cases where your cavity is in advance stages and reaches pulp tissue, root canal therapy followed by a well fitting crown is the treatment of choice. Kindly visit your dentist to confirm with an x-ray. (IOPA)
Next Steps
Visit dentist and take an x-ray
Health Tips
Brush two times a day, each session lasting for a time period of 3-4mins. If you notice a small cavity at any point of time, make sure the cavity is adressed in early stages before you land up with a root canal therapy.