Dental X-Rays and CBCT Scans in Newark NJ: Safety, Types, and Why They Matter
Author: ID Wellness Dental Editorial Team | Published: 2026-06-24
Dental X-rays are essential diagnostic tools that allow dentists to detect cavities, bone loss, infections, and other conditions that are invisible to the naked eye. This guide explains the different types of dental X-rays, their safety, when they are needed, and how CBCT 3D imaging is transforming dental treatment planning.
Quick Answer: Dental X-rays are safe — modern digital X-rays use extremely low radiation doses (a full-mouth series delivers about 0.005 mSv, equivalent to less than one day of natural background radiation). They are essential for detecting cavities between teeth, bone loss, infections, and impacted teeth that cannot be seen during a clinical examination. CBCT (cone beam CT) scans provide 3D imaging for implant planning, complex extractions, and orthodontic treatment. Modern digital dental X-rays use 80–90% less radiation than traditional film X-rays The radiation from a full-mouth series of dental X-rays is equivalent to less than one day of natural background radiation X-rays detect cavities between teeth, bone loss, infections, cysts, and impacted teeth that are invisible during a clinical exam CBCT 3D scans provide precise bone measurements for implant placement, surgical planning, and orthodontic assessment Lead aprons and thyroid collars minimize radiation exposure; pregnant patients should inform their dentist Types of Dental X-Rays Bitewing X-Rays Bitewing X-rays show the crowns of the upper and lower back teeth and the bone between them. They are the most common type of dental X-ray, taken at routine checkups to detect cavities between teeth and monitor bone levels. Most adults need bitewing X-rays every 12–24 months depending on cavity risk. Periapical X-Rays Periapical X-rays show the entire tooth from crown to root tip, including the surrounding bone. They are use
Frequently Asked Questions
Are dental X-rays safe?
Yes — modern digital dental X-rays use extremely low radiation doses. A full-mouth series delivers about 0.005 mSv — equivalent to less than one day of natural background radiation. Digital X-rays use 80–90% less radiation than traditional film.
How often do I need dental X-rays?
X-ray frequency depends on individual risk factors. Most adults need bitewing X-rays every 12–24 months. A panoramic X-ray or full-mouth series is typically taken every 3–5 years.
What is a CBCT scan?
A CBCT (cone beam CT) scan produces a 3D image of the teeth, bone, nerves, and soft tissues. It is used for implant planning, complex surgical extractions, and orthodontic assessment.
Can I get dental X-rays while pregnant?
Dental X-rays with proper shielding are considered safe during pregnancy when necessary for diagnosis or treatment. Elective X-rays are typically deferred until after delivery when possible. Always inform your dentist if you are pregnant.