Posts for tag: x-rays

By Cynthiana Dental Center
July 13, 2021
Category: Dental Procedures
Tags: oral health   x-rays  
ConeBeamX-RayscanImproveOutcomesinManyDentalSituations

For decades, dental x-rays have helped us accurately diagnose and treat a wide array of dental diseases and conditions. But even with recent advances in digital imaging, the traditional x-ray does have one drawback: its two-dimensional view doesn’t always provide the “big picture” that a three-dimensional viewpoint can provide.

But a new type of x-ray technology can do just that: known as cone beam computed tomography (CBCT), these machines record hundreds of digital images as a cone-shaped beam of x-ray energy is projected through a device that rotates around a person’s head. A computer then assembles the images into a single three-dimensional image that can be manipulated on screen to view from various angles. Not only does this provide greater context and detail, it does so with no more radiation exposure than a standard 20-film digital full-mouth x-ray series.

While CBCT hasn’t replaced the traditional x-ray, it’s making its mark in a number of specialized areas of dentistry. The following are just a few of the ways CBCT is improving both accuracy and treatment outcomes.

Orthodontics. CBCT can provide a much more detailed view of the entire jaw; this can help us determine the best locations for realigning teeth safely and effectively.

Dental Implants. With a CBCT scan we can precisely locate nerve canals, sinuses and adjacent teeth before implant surgery to locate the best position for the implant.

TMD Treatment. To help develop the best treatment approach for alleviating the pain and dysfunction of temporo-mandibular joint disease (TMD), a CBCT scan can provide us detailed information on how the disease is affecting a patient’s joints, teeth, sinuses and airway.

Impactions. An impacted tooth can exert damaging pressure against the roots of neighboring teeth. A CBCT scan allows us to observe the impacted tooth from various vantage points to determine the best treatment approach for neighboring teeth, nerve canals and sinuses.

If you would like more information on CBCT technology, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Getting the Full Picture With Cone Beam Dental Scans.”

By Cynthiana Dental Center
April 04, 2021
Category: Oral Health
Tags: x-rays  
YourDentalRecordsKeepYourOralCareConsistentThroughoutLifesChanges

Imagine that the IRS wants to audit you, but the dog ate your receipts. Or you hit a $50 million Lotto jackpot, but your ticket went through the wash. Or maybe you're about to see your new dentist, but you don't have your past dental records.

Humdrum as they may seem, records are important—so much so that they have their own month. That's right: April is Records and Information Management Month. Though perhaps not as exciting as National Poetry Month, this is still a good time to consider how records keep your life and health on track—especially regarding your mouth.

Your dental records contain information on all your office visits, imaging (yep, all those x-rays), diagnoses and treatments. Just like other healthcare records, they're privacy-protected under The Health Insurance Portability and Accountability Act (HIPAA).

Your dental records may also contain information about other aspects of your overall health that could impact your long-term dental care. With all that information, dental records are important to your ongoing care, and should be available wherever you receive treatment—even if you change to a new dentist.

Which can happen?¬†Your long-time dentist may retire—or maybe you move to another state. You may just decide you'd be happier with another dentist. But regardless of why your provider changes, your dental needs don't.

Without your records, your new dentist starts your care virtually from scratch, having to generate a new patient history and perform additional x-rays or examinations. And they won't have the benefit of nuances available to a dentist who may have treated you for a long time. But with your dental records in hand, they can often pick up where your other dentist left off without missing a beat.

It's in your oral health's best interest, then, to ensure your dental records transfer from your former dentist to your new one. Legally, these records are the property of the dentist, but you're entitled to a copy or to have them transmitted directly to another provider. You may, however, have to pay for any supplies and labor involved with printing, copying or mailing the records.

Do you feel awkward asking your former dentist to send your records to a new one? Not a problem—ask your new dentist to request them for you. Even if you have an unpaid balance, your former dentist is legally required to comply with the transfer.

When it comes to your oral health, “What is past is prologue.” The dental care you receive today and tomorrow depends on the care you received yesterday. Your dental records help make sure it's a seamless progression.

If you would like more information about the importance of dental records, please contact us or schedule a consultation.

By Cynthiana Dental Center
August 25, 2018
Category: Oral Health
Tags: x-rays   CAT scans  
HighTechDentistryHowDoWeUseaCATScan

The CAT scan is a relatively recent technique in dentistry, used to get an image of what’s happening deep within your jaws. You may be wondering what a CAT scan tells us that a conventional x-ray picture does not, and whether it is worth the extra expense to get one. And how does a CAT scan compare with a conventional x-ray in terms of radiation exposure?

CAT stands for “computer assisted tomography.” Often it’s just called a CT scan, for “computerized tomography.” The word “tomography” comes from roots meaning “slice” and “write.” Tomographic techniques take repeated two dimensional pictures, similar to repeatedly slicing through an object, and then assembles them with a computer to produce a three dimensional (3-D) image.

The latest type of CT scan used in dentistry is called CBCT, or Cone Beam Computed Tomography. The Cone Beam refers to a spiral beam of x-rays, which is used to create a series of two dimensional images from which a computer creates a 3-D image. Such an image is of great value in assessing problems and planning treatment.

Here are just a few examples of how a CBCT scan can be used. Orthodontists can see skeletal structures and developing teeth that are still inside the jawbone while planning strategies for directing the teeth in order to arrive at a better bite. Oral surgeons can find impacted or missing teeth, see their locations, and view their proximity to nerves and sinuses, assisting them in planning surgeries. These scans are particularly useful for root canal specialists because they show root canals that are less than a millimeter wide and even reveal accessory canals that may not be visible on conventional x-rays. In cases of sleep disorders such as sleep apnea, a CBCT during sleep can be used to view a person’s airway and how it may be blocked by the tongue and other soft tissues in a person’s throat during sleep.

Compared to background radiation, the amount of radiation delivered in dental x-rays is minimal. A CBCT delivers a dose of radiation that is less than a typical full mouth x-ray series but more than a typical two dimensional panoramic radiograph. Generally CBCT scanners deliver lower doses than medical CT scanners.

With one low-dose CBCT scan, we can get an accurate idea of the internal structure of your bones and teeth and how they are situated in relation to each other. Prior to the availability of such images, many of these relationships had to be discovered in the course of a surgery or other treatment. Thus such a scan can aid greatly in the quality of treatment you will receive.

Contact us today to schedule an appointment or to discuss your questions about 3-D scans in dentistry. You can also learn more by reading the Dear Doctor article, “CAT Scans in Dentistry.”

By Cynthiana Dental Center
August 26, 2017
Category: Dental Procedures
Tags: x-rays  
BitewingX-RaysProvideEarlyDetectionofToothDecayinBackTeeth

One of the most widely used forms of dental imaging is the bitewing x-ray. So called because of the shape of the device that holds the exposable film a patient clenches between their back teeth, the bitewing x-ray is an effective means for detecting the earliest stages of tooth decay.

These early signs are small lesions on a tooth surface caused by mineral loss in the enamel. While we can identify them on front teeth through visual examination or bright lighting, they’re nearly impossible to see on the biting surfaces of back teeth. The bitewing x-ray solves this problem.

During the procedure, a narrow beam of x-rays is directed at the back teeth area. Since X-rays can transmit through solid matter, they pass through the teeth and gums to expose the film attached to the bitewing assembly.

X-rays pass through matter at different rates depending on the density of the tissue — a slower rate for harder tissues like teeth and bone and a faster rate for soft tissues like the gums. As a result, x-rays through teeth expose less of the film and appear as a lighter image than the gums. This difference is so precise even a tooth’s softer dentin appears slighter darker than its harder outer enamel.

This precision helps us identify decay lesions. Because the lesions on the enamel are less dense than the normal enamel, they’ll appear as dark spots. By detecting them at this stage we have a better chance for reversing the effects of decay or at least minimizing damage that’s already occurred.

Because x-rays emit radiation, there’s a natural concern about over-exposure and we go to great lengths to reduce it. Children may undergo a bitewing x-ray twice a year for developing teeth, while adults with healthy teeth are typically x-rayed just once a year. Advances in digital film and other technology have also helped lower the exposure rate.

Today’s standard 4-film bitewing x-ray produces about four days worth of what we receive on average from normal background radiation, so the health risk is quite negligible. The benefit, on the other hand, is much greater — the early detection of tooth decay could ultimately save a tooth.

If you would like more information on the use of bitewing x-rays in dental care, please contact us or schedule an appointment for a consultation.