When determining vertical angulation, if the position-indicating device (PID) is positioned above the occlusal plane and the central ray is directed ____, the vertical angulation is termed ____.
Downward; positive
Elongated images refer to images of the teeth that appear ____. Elongation of images results from ____ vertical angulation.
Too long; insufficient
Which size film is traditionally used with the bisecting technique?
#2 film for anterior teeth and for posterior teeth
For the premolar bite-wing exposure, the front edge of the film should be aligned with the midline of the:
Mandibular canine.
The primary benefit of using film holders with the bisecting technique is:
Reducing the patient's exposure to radiation.
(1) Overlapped interproximal contacts are caused by improper vertical angulation. (2) to prevent overlap, the vertical angulation should be adjusted to +10 degrees.
Both statements are false.
The recommended posterior periapical exposure sequence for the bisecting technique is to begin with the:
Maxillary right quadrant
You have a 4-year-old boy in your chair, which size receptor will you need to use to take bite-wing images on him?
Size 0
For the mandibular molar exposure, the front edge of the film should be aligned with the midline of the:
Second premolar
According to the recommended posterior periapical exposure sequence for the bisecting technique, the second posterior quadrant exposed should be the:
Mandibular right quadrant.
The contacts on your dental image are closed. You will need to take a retake. What should you do in order to achieve open contacts on your retake dental image?
Direct PID through the contacts of the teeth
When the bisecting technique is used, foreshortening will occur if the central ray is directed perpendicular to the:
Plane of the film.
According to the text, which size bite-wing film is not recommended?
Size 0
In the adult patient, which size film is recommended for bite-wing exposures?
Size 2
The recommended anterior periapical exposure sequence for the bisecting technique starts with the:
Maxillary right canine
With the bite-wing technique, the vertical angulation is predetermined; the central ray is directed at ____ degrees to the occlusal plane.
+10
When vertical posterior bite-wing exposures are indicated, size ____ film is placed with the long portion of the film in a ____ direction.
2; vertical
According to the text, the identification dot in bite-wing film placement:
Has no significance.
With the bisecting technique, the recommended vertical angulation range for maxillary canines is ____ degrees.
+45 to +55
Which of the following commercially available film holders are recommended for use with either the paralleling or the bisecting technique?
1. Rinn XCP instruments
2. Rinn BAI instruments
3. Precision film holder
4. Stabe bite-block
5. EEZEE-Grip film hold
2,4,5
The rule of isometry states that two triangles are equal if they have ____ equal angles and share a common side.
Two
When the bisecting technique is used, the film must be placed along the ____ surface of the tooth.
Lingual
For the maxillary premolar exposure, the front edge of the film should be aligned with the midline of the maxillary:
canine
With the ____ technique, the vertical angulation is determined by the imaginary bisector; the central ray is directed perpendicular to the imaginary bisector.
Bisecting
Which size bite-wing film may be placed in a horizontal or vertical position?
Size 2
Which size film is used only for bite-wings?
Size 3
For the molar bite-wing exposure, the front edge of the film should be aligned with the midline of the:
Mandibular second premolar.
With the bisecting technique, the recommended vertical angulation range for mandibular molars is ____ degrees.
-5 to 0
Film should be placed approximately ____ inch beyond the incisal or occlusal surfaces when using the bisecting technique.
1/8
According to the text, the disadvantages of the bisecting technique outweigh the advantages. Therefore, the paralleling technique is preferred over the bisecting technique for exposure of periapical films and should be used whenever possible.
Both statements are true.
When Rinn BAI instruments are used, "BAI" refers to which of the following?
Bisecting, angle, instrument
For the premolar bite-wing exposure, the PID is positioned far enough forward to cover both maxillary and mandibular:
Canines
Which of the following commercially available film holders is/are recommended for one-time use only?
Stabe bite-block
When the bisecting technique is used, which of the following angles is bisected?
The angle formed by the film and the long axis of the tooth
Which of the following exposure sequences is recommended for the patient who requires both periapical and bite-wing radiographs?
1. Bite-wing exposures
2. Anterior periapical films
3. Posterior periapical films
2,3,1
The bite-wing tab is a heavy paperboard tab or loop fitted around a periapical film and used to stabilize the film during exposure. The periapical film is oriented in the bite loop so that the tab portion extends from the white side (tube side) of the fil
Both statements are true.
The primary disadvantage of the bisecting technique when contrasted with the paralleling technique is:
Dimensional distortion.
Foreshortened images refer to images of the teeth that appear ____. Foreshortening of images results from ____ vertical angulation.
Shortened; excessive
When the ____ is/are used, the patient may use excessive force to stabilize the film, causing the film to bend and resulting in image distortion.
Finger-holding method
Which of the following commercially available film holders can be used with the bisecting technique?
Rinn BAI instruments, Stabe bite-block
The problem with a single bite-wing film per side for adult patients is increased:
Overlapped contacts.
With size 2 film, a total of ____ anterior film placements are used in the bisecting technique.
Six
When the bisecting technique is used, the central ray is directed at 90 degrees to the:
Imaginary bisector.
Which of the following techniques use the same principles of horizontal angulation?
1. Paralleling
2. Bisecting
3. Bite-wing
1,2,3
Vertical bite-wings are often used for patients with:
Bone loss
Horizontal angulation refers to the placement of the position-indicating device (PID) in a(n) ____ plane. Vertical angulation refers to the positioning of the PID in a(n) ____ plane.
side-to-side; up-and-down
What modification in technique is recommended when the patient has an edentulous space causing a problem with bite-wing film placement?
Place a cotton roll in the area of the missing tooth or teeth.
With the finger-holding method, which of the following would be used to hold the maxillary right molar film?
Left thumb
Your 35-year-old patient has clinical attachment loss in the posterior teeth. What type of bite-wing images should you take and what size receptor should you use?
Vertical; 2