module 6: types of exposure techniques

What does a periapical (PA) X-ray show?

The entire tooth from crown to root apex plus the surrounding bone and tissues.

what does a bitewing show?

It mainly shows the crowns and supporting bone.

What are interproximal areas?

the areas between adjacent teeth.

What is calculus?

Hardened dental plaque on the teeth.

What is an occlusal exposure?

An intraoral X-ray that shows teeth and surrounding structures of the maxilla or mandible.

Why are occlusal X-rays useful for children?

They can substitute for anterior periapical X-rays when the child's mouth is small or the child is difficult to manage.

What is a panoramic exposure?

An extraoral X-ray that produces one image of the entire dentition and surrounding structures.

Is a panoramic X-ray intraoral or extraoral?

extraoral

what does extraoral mean?

The image receptor is positioned outside the mouth.

What is a cephalometric exposure?

An extraoral X-ray used to evaluate and measure the head, face, jaws, and teeth.

Is a cephalometric X-ray intraoral or extraoral?

extraoral

What dental specialty commonly uses cephalometric X-rays?

orthodontics

the paralleling technique

placing image recepetors that is used with periapical and bitewing intraoral radiographs

proper placement of the paralleling technique is hard to achieve on

children, adults with shallow palates

the bisecting angle technique is only used for?

periapical intraoral exposures when the paralleling technique is not possible

the bisecting angle technique should ONLY be used after attempting to use

the paralleling technique