Dental X-ray
dental X-ray · bitewing X-ray · periapical X-ray · tooth X-ray
This is a small X-ray of one or a few teeth. It shows decay between teeth and the state of the root.
To find hidden decay and check the roots, fillings, and bone around a tooth.
⏱ Duration: usually 1 to 5 minutes; the image is ready right away
Be sure to tell your doctor
How to prepare
- Jewelry. Remove earrings, mouth piercings, and removable dentures if asked.
What to bring
- Your ID
- Your referral, if you have one
How it goes
- You sit in the chair and may get a protective apron
- A small sensor or film is placed in your mouth behind the teeth
- You bite on a holder and keep still
- The machine takes the image in a split second
- The sensor comes out, and the image appears on screen
What you'll feel
- The sensor in your mouth is a little uncomfortable
- Some people gag. Breathe through your nose
Afterwards
- No restrictions
- The dentist looks at the image right away and tells you what is next
Common questions
Is it dangerous?
The radiation dose is very small. The X-ray is taken when it is needed for treatment.
Can I have it while pregnant?
If it is needed, it is done with protection. Be sure to tell your dentist you are pregnant.