Paralleling Technique

Which term best describes moving or lying in the same plane, always separated by the same distance and not intersecting?

• perpendicular

• parallel

• right angle

• obtuse

Which basic rule of paralleling indicates that the central ray should be directed through the contact area of the teeth?

• horizontal

• vertical

• placement

• position

Which basic rule of paralleling states that the receptor must be parallel to the long axis of the tooth?

• placement

• horizontal

• position

• placement

Which image must include the crowns, roots, and surrounding bone, sinus and tuberosity region of the first, second, and third molars?

• mandibular molars

• maxillary molars

• mandibular premolars

• maxillary premolars

When should the receptor be placed on the far side of a bony growth?

• when the patient has a mandibular tori

• when the patient has a sialolith

• when the patient has a maxillary tori

• when the patient has tonsilitis

Once the gag reflex is stimulated, the patient may gag on receptors that could normally be tolerated.

• true

• false

What size receptor is recommended to be used for anterior teeth?

• size 0

• size 1

• size 2

• size 3

What type of receptor holder must be sterilized between uses?

• Stabe bite block

• Rinn XCP

• Bite-wing tab

• Bite wing loop

Describe a Stabe bite block.

• aiming ring, arm, receptor holder

• Styrofoam receptor holder

• paper receptor holder

• hemostat

The central ray of the x-ray beam is directed ____________ to the receptor and long axis of the tooth.

• horizontal

• vertical

• parallet

• perpendicular