College of Health Sciences School of Oral Health Sciences

UNIVERSITY OF TECHNOLOGY, JAMAICA

SYLLABUS OUTLINE

COLLEGE OF HEALTH SCIENCES SCHOOL OF ORAL HEALTH SCIENCES

COURSE OF STUDY - Doctor of Medical Dentistry YEAR- 1

MODULE TITLE - Dental Biomaterials

MODULE CODE - DMD

DURATION (Hours) - 7.5

CREDIT VALUE - .5

PREREQUISITES

1.0  MODULE DESCRIPTION

This course is designed to introduce the first year dental student to the general, physical and chemical properties, and characteristics of direct and indirect materials used in dentistry and their relationships to the oral environment..

2.0  MODULE OBJECTIVES/LEARNING OUTCOME

Upon completion of this module , the student should be able to:

i.  Explain the biological relationship between restorative materials and the body tissues.

ii.  Discuss the importance of studying basic dental materials as an essential component of the dental curriculum.

iii.  Recognize and discuss the physical and biological considerations in selecting dental materials.

iv.  Understand the basic physical, chemical, and mechanical properties of all dental materials and relate these to clinical applications.

v.  Understand the crystal structure and the relationship between physical mechanical properties and the changes in crystalline structure.

vi.  Explain the significance of the phase diagram and how phase transformation can affect the physical / mechanical properties of different alloys.

vii.  Develop an appropriate understanding of how materials fail in the oral cavity

viii.  Recognize factors that increase or decrease setting times of dental materials.

3.0  MODULE CONTENT AND CONTEXT

3.1 INTRODUCTION TO BIOMATERIALS (Wk.1)

A . History

B. Purpose Of Dental Materials

C .Patient Education

D. Materials And Use

C. Biological Factors

3.2  PROPERTIES AND CHARACTERISTICS OF MATERIALS (Wk. 1

A.  Physical Properties

B.  Mechanical Properties

C.  Types Of Stress

D.  Other Mechanical Properties

E.  Time Dependent Properties

3.3 CLASSIFICATION BY USE (Wk. 2)

A. Restorative Materials

B. Restorations And Crowns

C. Bridges

D. Complete And Partial Dentures

3.4  CLASSIFICATION BY LONGEVITY OF USE

A.  Permanent

B.  Temporary

C.  Interim

D.  Long Term Temporary

3.5  MODEL AND DIE MATERIALS (Wk.2)

A.  Desirable Properties

B.  Impression Replica

3.6 TYPES AND SELECTION OF MATERIALS (Wk.3)

A.  Gypsum Products

B.  Mineral Gypsum

C.  Calcining Process

3.7  GYPSUM PRODUCT PROPERTIES

A.  Setting Times

B.  Compressive Strength

C.  Hardness And Abrasion Resistance

D.  Dimensional Accuracy

3.8  MANIPULATION OF GYPSUM PRODUCTS (Wk. 4)

A.  Selection – Based On Clinical Usage And Properties Required

B.  Water Powder Ratio

C.  Spatulation

3.9  METAL PLATED DIES

A.  Electroplating

B.  Abrasion Resistant

3.10  ALGINATE IMPRESSIONS

A.  Primary Impression

B.  Advantages Of Alginate

C.  Composition

D.  Properties

3.11 SECONDARY IMPRESSION MATERIALS (Wk.5)

A.  Characteristics Of Ideal Impression Material

B.  Classifying Impression Materials

C.  Rigid Impression Materials

D.  Flexible Impression Materials

3.12  DENTAL IMPRESSION COMPOUND (Wk.6)

A.  Composition

B.  Properties

3.13 IMPRESSION PLASTER

A. Composition

B. Uses

3.14  Zinc Oxide Eugenol

A.  Uses

B.  Supplied

C.  Chemical Reaction

D.  Properties

3.15  AGAR

A.  Supplied

B.  Properties

C.  Composition

D.  Uses

E.  Manipulation

F.  Disadvantages

3.16  DENTAL ALLOYS AND CASTING

A.  First Record Of Casting

B.  Gold Alloys For Casting

C.  High Copper Alloys

D.  Gold Foil

E.  Dimensional Change

F.  Strength

G.  Flow And Creep

H.  Condensation And carving

I.  Polishing

J.  Cobalt - Chromium

K.  Miscellaneous Considerations

3.17  ADDITIONAL NOTES

A.  Alloys For Fusing Porcelain

B.  Soldering

C.  Heat Treating

D.  Welding

E.  Brazing

4  LEARNING AND TEACHING APPROACHES

Lecture note:

Power point presentation

35mm slide presentation

Models

Handouts

5.0 ASSESSMENT PROCEDURES

Theory examinations will involve levels I, II and III of the Cognitive Domain; i.e.

Knowledge, Comprehension, Application, Analysis, Synthesis and Evaluation.

The Final grade will be determined by a weight value of :

Biweekly Quizzes - 20%

Class Test - (Wk.7) - 30%

Final Exam -( Wk. 15)- 50% (Passing Grade – Mandatory)

Passing Grade - 70%

6.0  BREAKDOWN OF HOURS

Classroom lecture/tutorials 7.5 Hours

Biweekly Quizzes 20 Min.

Class Test 60 min.

Final Exam 60min.

7.0 TEXTBOOKS AND REFERENCES

List as follows:

Required:

1. Craig’s Restorative Dental Materials, Powers & Sakaguchi, 12th ed., Elsevier

Publishing Company

8.0  NAME OF SYLLABUS WRITTER/DEVELOPER

Dr. R. Anita Salmon

9.0  DATE OF PRESENTATIONS OR REVISION

August 2010

10.0  DATE OF ACCEPTANCE

Programme Director