TEACH Lesson Plan
32 Identification of Restorations, Dental
Materials, and Foreign Objects
CHAPTER LESSON PLAN & OBJECTIVES
Lesson 32.1: Identification of Restorations, Dental Materials, and Foreign Objects
1. Define the key terms associated with identifying restorations, materials, and foreign objects on dental
images.
2. Discuss the importance of interpreting dental images while the patient is present.
CHAPTER TEACHING FOCUS
• Students will have the opportunity to learn the key terms associated with identifying restorations,
materials, and foreign objects as they appear on dental objects as well as the importance of having the
Chapter 32: Identification of Restorations, Dental Materials, and Foreign Objects 2
TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
CHAPTER PRETEST
Have the students answer these questions prior to covering this chapter to understand where they stand
in relation to the content.
1) A large, well-adapted radiopaque restoration with smooth borders is probably:
a) stainless steel.
b) amalgam. c) gold.
d) porcelain.
2) A porcelain-fused–to-metal crown appears:
a) uniformly radiopaque.
b) to have two radiographic components.
The metal component appears completely
radiolucent; the porcelain component
appears slightly radiolucent.
c) to have two radiographic components.
The metal component appears
completely radiopaque; the porcelain
component appears slightly radiopaque.
d) uniformly radiolucent.
3) Diatorics are:
5) Of the nonmetallic restorations, ________ is the most dense and least radiolucent.
a) porcelain
b) filled acrylic c) composite
d) unfilled acrylic
6) Post and core restorations can be seen in _________ treated teeth.
a) nonendodontically
b) periodontically c) orthodontically
d) endodontically
7) A thin radiopaque line outlining the prepared tooth may be evident on a dental image of an
all-porcelain crown. This thin line represents:
a) die spacer.
b) cement. c) an air pocket.
d) a metal substance.
8) Diatorics are found in:
a) anterior acrylic denture teeth.
b) gutta percha endodontic fillings. c) silver point endodontic fillings.
d) anterior porcelain denture teeth.
9) Amalgam overhangs can be described as extensions of amalgam seen on dental images beyond the
crown portion of a tooth located in the _______ region.
a) buccal
b) lingual c) interproximal
d) occlusal
10) Porcelain restorations are:
a) radiopaque.
b) slightly radiopaque. c) slightly radiolucent.
d) radiolucent.
Chapter 32: Identification of Restorations, Dental Materials, and Foreign Objects 3
TEACH Lesson Plan
CHAPTER PRETEST ANSWERS
1) c
A large radiopaque restoration with smooth borders is most likely gold.
p. 382
7) b
A thin radiopaque line outlining the prepared tooth may be evident through the slightly radiopaque
porcelain crown. This thin line represents cement or other dental adhesive material used to adhere
the crown to the tooth.
p. 385
Chapter 32: Identification of Restorations, Dental Materials, and Foreign Objects 4
TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
Classroom Preparation
Lesson 32.1: Identification of Restorations, Dental Materials,
and Foreign Objects
INSTRUCTOR PREPARATION
Textbook Objectives Covered
1. Define the key terms associated with identifying restorations, materials, and foreign objects on dental
images.
2. Discuss the importance of interpreting dental images while the patient is present.
National Standards Covered
ABHES DAI (Dental Assisting I – Basic)
• Section A: Curriculum, Competencies, Externship and/or Internal Clinical Experience:
ABHES DAII (Dental Assisting II – Advanced)
• Section A: Curriculum, Competencies, Externship and/or Internal Clinical Experience:
• Dental Sciences:
• Radiography of the Oral Cavity. Courses in radiography are designed to integrate theoretical
and practical application of exposing and processing intra– and extra-oral radiographs.
CODA Standards for Dental Assisting Programs
• Standard 2: Educational Program:
• The curriculum must include content at the in-depth level in dental materials. Students must
Chapter 32: Identification of Restorations, Dental Materials, and Foreign Objects 5
TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
National Standards Covered (Continued)
• The curriculum must include content at the in-depth level in dental radiology. Students must
CODA Standards for Dental Hygiene Programs
• Standard 2: Educational Program:
Lesson Preparation Checklist
• Prepare lecture from TEACH lecture slides available on Evolve.
• Assemble materials and supplies needed for each lesson as indicated below.
Materials and Supplies
Chapter 32: Identification of Restorations, Dental Materials, and Foreign Objects 6
TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
Classroom Preparation
Lesson 32.1: Identification of Restorations, Dental Materials,
and Foreign Objects
STUDENT PREPARATION (6 hrs)
1
READ – Textbook (pp. 381-396)
PREPARE
• Have students make flash cards with the key terms on one side and the definition on the
reverse. Bring cards to class for an activity.
• Quiz Questions: Short Answer, question 16 (p. 402)
• Short Answer, question 14 (p. 402)
• Identification and Short Answer, questions 1, 2, 5, 9, 12, 17 (pp. 287-289)
4
• Review Questions – Self-Study Examination
READ – Textbook (pp. 386-393)
ANSWER – Textbook
• Quiz Questions:
• Identification, questions 6, 8 (pp. 400-401)
• Short Answer, question 15 (p. 402)
ANSWER – Workbook Module 7: Interpretation Basics
Chapter 32: Identification of Restorations, Dental Materials, and Foreign Objects 7
TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
50-Minute Lesson Plan
Lesson 32.1: Identification of Restorations, Dental Materials,
and Foreign Objects
LECTURE OUTLINE (25 min)
1
&
2
KEY TERMS AND INTERPRETING IMAGES IN PRESENCE OF PATIENT: SLIDE 4
(pp. 381-396)
• Discuss the key terms associated with identifying restorations, materials, and foreign objects on
dental images.
on dental images.
LEARNING ACTIVITIES (choose one or more to equal 25 min)
1
&
2
POST & COMMENT (10 min)
offer critical feedback to at least two other students.
REVIEW (15 min)
• Using the key terms flash cards that students completed as a homework assignment, have the
students quiz each other with the flash cards. Correct their pronunciation as needed.
• Appropriate Settings: Traditional classroom, flipped classroom
3
stabilizing arches and wires. Have the student identify the restorations correctly. Have the
students share their findings with the class using the overhead projector.
PRACTICE (15 min)
• Divide the class into small groups. Provide each group with radiographs displaying amalgam,
gold, stainless steel and chrome, post and core, porcelain, porcelain-fused-to-metal,
composite, and acrylic restorations. Have the student identify the restorations correctly. Have
the students share their findings with the class using the overhead projector.
Chapter 32: Identification of Restorations, Dental Materials, and Foreign Objects 8
TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
LEARNING ACTIVITIES (choose one or more to equal 25 min) (Continued)
5
PRACTICE (15 min)
• Divide the class into small groups, and provide each group with a variety of radiographs that
CRITICAL THINKING QUESTION
Why is the identification of restorations, dental materials, and foreign objects a critical
component of the dental professional’s job?
Discussion Guidelines: Dental images are an important diagnostic tool that enables the dental
Chapter 32: Identification of Restorations, Dental Materials, and Foreign Objects 9
TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
Assessments
Chapter 32: Identification of Restorations, Dental Materials,
and Foreign Objects
ASSESSMENTS BY OBJECTIVE
2
Evolve Instructor Resources
• Test Bank: Multiple Choice, question 2
Workbook Module 7: Interpretation Basics
• Identification and Short Answer, questions 1, 2, 5, 9, 12, 17 (pp. 287-289)
5
Evolve Instructor Resources
• Test Bank: Multiple Choice, question 16
Workbook Module 7: Interpretation Basics
• Series Interpretation: Series 1 (pp. 290-292)