Chapter 20: Bisecting Technique
Learning Objectives
At the end of this module chapter, you will be able to:
20.1
- Define the key terms associated with the bisecting technique.
- State the rule of isometry.
- State the basic principles of the bisecting technique and illustrate the location of the receptor, tooth, imaginary bisector, central ray, and position-indicating device (PID).
- List the beam alignment devices and receptor holders that can be used with the bisecting technique.
20.2
- Describe the receptor size used with the bisecting technique.
- Describe correct and incorrect horizontal angulation.
- Describe correct and incorrect vertical angulation.
- State each of the recommended vertical angulation ranges used for periapical exposures in the bisecting technique.
- State the basic rules of the bisecting technique.
20.3
- Describe patient and equipment preparations necessary before using the bisecting technique.
- Discuss the exposure sequence used for the 14 periapical receptor placements used in the bisecting technique.
- Describe each of the 14 periapical receptor placements recommended for use in the bisecting technique.
- List the advantages and disadvantages of the bisecting technique.