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Dentistry vocabulary · Examination and X-rays

periapical X-ray

Meaning in dentistry, with examples

nounCommon term

In dentistry, periapical X-ray means: A small intraoral X-ray that shows one or a few teeth from the crown to the root tip, together with the bone around them.

In Turkish: periapikal röntgen, periapikal radyografi

How it is used

The standard image in endodontics and for diagnosing infection at the root tip. Often shortened to PA. Dentists take periapical X-rays before, during and after root canal treatment.

Example sentences

  1. Take a periapical X-ray of the upper right lateral incisor, please.

  2. The periapical X-ray shows a well-condensed root filling.

Common collocations

  • take a periapical X-ray
  • periapical radiograph
  • periapical lesion
  • PA film
  • X-rayAn image of the teeth and bone made with a small dose of radiation. It shows problems the eye cannot see, such as decay between teeth, infection at a root tip or bone loss.
  • bitewingAn X-ray that shows the crowns of the upper and lower back teeth together on one image. The patient bites on a tab or holder to keep the sensor in place.
  • apexThe tip of a tooth root, where nerves and blood vessels enter the tooth through a small opening called the apical foramen.
  • root canal treatmentTreatment that removes inflamed or infected pulp from inside a tooth, then cleans, shapes and seals the root canals so that the tooth can be kept.

More terms: Examination and X-rays

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This page explains English vocabulary for learners. It is not medical advice.