How Digital X-Rays Help in Dental Diagnosis


X-ray is a type of electromagnetic radiation through which the internal structure of human body can be outraced and examined. It is also referred to as X-radiation. The use of X-rays has become quite common nowadays as they efficiently assist in diagnosing major dental issues. Previously, chemicals and other harmful materials were used for radiography. Today, X-rays have emerged as a relief for patients who wish to get their teeth checked without any harmful impacts.

Digital X-rays can be classified into the following two categories:

Intraoral X-rays:

Intraoral X-rays provide detailed insight into teeth-related issues, as the film is present inside the mouth. It helps in detecting cavities, examining roots or bones, and monitoring teeth development.

  • Periapical X-rays:

It is performed using specialized machines that are capable of capturing structure of one or two teeth at a time. Teeth roots and bone disorders can be identified by quickly skimming through the reports.

  • Bite-Wing X-rays:

The X-ray is captured when the patient bites film using teeth. The distance between each tooth provides information whether there is cavity present between the teeth, or if the jaw bone is infected due to gum diseases.

  • Occlusal X-rays:

Occlusal X–rays are usually carried out to determine teeth structure in children. The process of tooth development and the difference between baby teeth and permanent teeth can also be determined.

Extraoral X-rays:

Extraoral X-rays capture details from outside the mouth. They basically target the skull structure, jaws and visible portions of teeth.

  • Panoramic X-rays:

Panoramic X-rays provide a wide picture of teeth structure and is recommended before a dental treatment. Entire mouth, jaw and nasal area are captured on a single X-ray film. Moreover, the person needs to stay still during the process.

  • Sialography:

Sialography technique provides assistance in the diagnosis of salivary gland issues. A radiopaque material is applied on salivary glands, so that it can be made visible with radiation.

  • Multi-Slice Computed Tomography:

The mouth structure is made up of multiple layers. This technique focuses on a single slice and blurs other layers so that it can be observed thoroughly.

The major aim of digital X-rays is to display a visualization of mouth, jaws and teeth. This approach is helpful in the diagnosis of dental problems and helps dental professionals in making right choices for treatment.


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