Dentistry Chapter 18 Correct Horizontal Angulation The Central Ray

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 18 Student Handout

Slide 1

Bisecting Technique

Chapter 18

___________________________________

Slide 2

Learning Objectives

Lesson 18.1: Bisecting Technique

1. Define the key terms associated with the

bisecting technique.

___________________________________

Slide 3

Learning Objectives

Lesson 18.1: Bisecting Technique (Cont.)

5. Describe the receptor size used with the

bisecting technique.

___________________________________

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 18 Student Handout

Slide 4

Learning Objectives

Lesson 18.1: Bisecting Technique (Cont.)

10. Describe patient and equipment preparations

necessary before using the bisecting

___________________________________

Slide 5

Introduction

Purpose

___________________________________

Slide 6

Basic Concepts

Bisecting technique

___________________________________

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 18 Student Handout

Slide 7

Terminology

Angle

___________________________________

Slide 8

Terminology (Cont.)

Triangles, congruent

___________________________________

Slide 9

Principles of Bisecting Technique

Rule of isometry

___________________________________

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 18 Student Handout

Slide 10

Bisecting Technique

The receptor must be placed along the lingual

surface of the tooth.

___________________________________

Slide 11

Receptor Stabilization

Beam alignment devices

___________________________________

Slide 12

Receptor Used in Bisecting Technique

Size 2 receptor used traditionally

Anterior

___________________________________

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 18 Student Handout

Slide 13

Position-Indicating Device Angulation

Angulation

___________________________________

Slide 14

Horizontal Angulation

The positioning of the tubehead and direction

___________________________________

Slide 15

Vertical Angulation

The positioning of the PID in a vertical or up–

___________________________________

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 18 Student Handout

Slide 16

Vertical Angulation (Cont.)

___________________________________

Slide 17

Recommended Vertical Angulation

Ranges for Bisecting Technique

___________________________________

Slide 18

Rules for Bisecting Technique

Receptor placement

___________________________________

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 18 Student Handout

Slide 19

Step-by-Step Procedures

Patient preparation

19

___________________________________

Slide 20

Patient Preparation

___________________________________

Slide 21

Patient Preparation (Cont.)

___________________________________

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 18 Student Handout

Slide 22

Equipment Preparation

___________________________________

Slide 23

Exposure Sequence

for Receptor Placements

Anterior exposure sequence

___________________________________

Slide 24

Exposure Sequence

for Receptor Placements (Cont.)

___________________________________

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 18 Student Handout

Slide 25

Receptor Placement

for Bisecting Technique

Receptor placement

The specific area where the receptor must be

___________________________________

Slide 26

Receptor Placement

for Bisecting Technique (Cont.)

Anterior placement

___________________________________

Slide 27

Receptor Placement

for Bisecting Technique (Cont.)

___________________________________

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 18 Student Handout

Slide 28

Advantages and Disadvantages

Advantages

Can be used without a beam alignment device

___________________________________

Slide 29

Questions?

___________________________________