Undergoing an MRI (Magnetic Resonance Imaging) scan can raise concerns for patients with dental implants. Fortunately, in most cases, modern dental implants and MRIs are a safe combination. Let’s delve into the science behind MRIs, explore the materials used in dental implants, and address any potential risks.

Medical professionals use Magnetic Resonance Imaging, or MRI, as a powerful tool to diagnose health problems in the body’s tissues and organs. Doctors often use MRIs to detect tumors, examine the health of the heart’s chambers, or assess brain damage from strokes.

An MRI machine uses strong magnets and radio waves to examine various body parts, including organs, ligaments, tumors, and other structures. The machine transmits a powerful magnetic field through the scanned area, and different body structures react differently to this field. The MRI’s computer system then analyzes this reaction data to create detailed three-dimensional images of the scanned internal anatomy. Undergoing an MRI scan is painless, radiation-free, and non-invasive. However, it does require you to stay perfectly still for an extended period and may involve wearing earplugs to block out loud noises from the machine’s magnets.

Ferromagnetic metals interfere with MRIs

Certain metals, like iron, steel, nickel, and cobalt, are strongly attracted to magnets. These are called “ferromagnetic” materials. If you have any ferromagnetic objects on or in your body during an MRI scan, they can react to the machine’s powerful magnetic field and distort the resulting images.

To prevent such interference, patients undergoing MRIs need to remove all jewelry, clothing, and objects that might contain these metals. Even items in the MRI room itself are screened for ferromagnetic materials before the scan begins.

Unfortunately, some implants, particularly older pacemakers and certain joint replacements, use ferromagnetic components. Patients with these implants cannot undergo MRI scans safely. Additionally, veterans with shrapnel or metalworkers with potential ferromagnetic debris in their bodies may also be unsuitable for MRIs.

Do dental implants interfere with MRIs?

Modern dental implants, usually made from titanium or zirconia, are safe for MRIs because these materials aren’t magnetic. However, there are other things to consider.

Tell your doctor and the MRI technician about your complete medical and dental history. Older dental work, like fillings, crowns, bridges, or dentures, may contain metal that can interfere with the MRI scan.

If you’re unsure if past dental work is safe for MRIs, consult your trusted implant dentist in Cypress to confirm the materials used are compatible. Always ask your doctor or specialist any questions you have about the purpose, need, and safety of any diagnostic imaging procedure, including MRIs.