Dentistry Chapter 35 The Apical Region Appears Blunted The Length

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 1

Interpretation of Trauma, Pulpal

Lesions, and Periapical Lesions

Chapter 35

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Slide 2

Learning Objectives

Lesson 35.1: Interpretation of Trauma, Pulpal

Lesions, and Periapical Lesions

1. Define the key terms associated with the

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Slide 3

Learning Objectives

Lesson 35.1: Interpretation of Trauma, Pulpal

Lesions, and Periapical Lesions (Cont.)

4. Describe and identify the appearance of

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 4

Learning Objectives

Lesson 35.1: Interpretation of Trauma, Pulpal

Lesions, and Periapical Lesions (Cont.)

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Slide 5

Introduction

Purpose

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Slide 6

Trauma Viewed

on Dental Images

Fractures

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 7

Trauma Viewed

on Dental Images (Cont.)

Trauma

Trauma is an injury produced by an external force.

It may affect the crowns and roots of teeth as well

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Slide 8

Fractures

The breaking of a part

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Slide 9

Crown Fractures

This most often involves anterior teeth.

May involve enamel, dentin, and/or pulp

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 10

Crown Fractures (Cont.)

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Slide 11

Root Fractures

Root fractures most often occur in the

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Slide 12

Root Fractures (Cont.)

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 13

Jaw Fractures

Jaw fractures are most often observed in the

mandible.

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Slide 14

Jaw Fractures (Cont.)

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Slide 15

Injuries

Trauma may result in the displacement of

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 16

Luxation

Luxation is the abnormal displacement of

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Slide 17

Luxation (Cont.)

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Slide 18

Luxation (Cont.)

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 19

Dental Avulsion

Complete displacement of a tooth from

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Slide 20

Resorption Viewed

on Dental Images

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Slide 21

Resorption Viewed

on Dental Images (Cont.)

Physiologic resorption

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 22

External Resorption

Seen along the periphery of the root surface

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Slide 23

Internal Resorption

Internal resorption occurs within the crown or

root of a tooth.

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Slide 24

Pulpal Lesions Viewed

on Dental Images

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 25

Pulpal Sclerosis

Pulpal sclerosis is diffuse calcification of the

pulp chamber and pulp canals of teeth.

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Slide 26

Pulpal Obliteration

The calcification, or deposition of hard tissue,

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Slide 27

Pulp Stones

Pulp stones are dystrophic calcifications

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 28

Periapical Lesions Viewed

on Dental Images

Periapical radiolucencies

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Slide 29

Periapical Radiolucencies

Periapical granulomas, cysts, and abscesses

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Slide 30

Periapical Granuloma

This is a localized mass of chronically

inflamed granulation tissue at the apex of a

nonvital tooth.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 31

Periapical Cyst

Periapical cyst is a lesion that develops over

a long period.

It results from cystic degeneration of the periapical

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Slide 32

Periapical Abscess

This is a localized collection of pus around

the apex of a nonvital tooth.

Acute

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Slide 33

Periodontal Abscess

Collection of pus that results from infection

within the periodontal tissues (surrounding

the tooth

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 34

Periapical Radiopacities

The following are a few of the common

periapical radiopacities that may be seen on

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Slide 35

Condensing Osteitis

Condensing osteitis is a well-defined

radiopacity.

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Slide 36

Sclerotic Bone

Sclerotic bone is a well-defined radiopacity

seen below the apices of vital, noncarious

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 35 Student Handout

Slide 37

Hypercementosis

Hypercementosis is the excess deposition of

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Slide 38

Questions?

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