Learning Activity Packet
COURSE
Oral Health
TASK
Identify aspects of preventive dentistry.
PURPOSE
The overall goal of dentistry is to have a healthy and functional dentition for a
lifetime. This packet introduces the dental assisting student to preventive dentistry
and provides them the instruction in plaque removal techniques.
INSTRUCTIONAL
OBJECTIVE
At the completion of this LAP, the student will list the components of preventive
dentistry. They will demonstrate proper toothbrushing techniques, flossing
techniques, and the use of other oral health aids.
DA 120 3
8/14
1 of 10
Course
Objectives
1.
Identify the components and overall goal of preventive dentistry and define terminology associated
with plaque control.
2.
Explain why it is important for you as a dental assistant to be a role model.
3.
Discuss the use of disclosing agents.
4.
List requirements of a toothbrush and the use of powered toothbrushes.
5.
Compare and contrast acceptable tooth brushing methods, including the specific oral conditions for which
each is recommended.
6.
Explain the importance of sequencing when brushing.
7.
State the two types of toothbrush trauma, the causes and treatment of each.
8.
Demonstrate tooth brushing using the Bass, Stillman, and Charter's techniques.
9.
Identify the use of dental floss and tape and demonstrate its use.
10. Identify the oral conditions that determine the type of dentifrice recommended to patients.
11. List three oral conditions that indicate the use of water irrigation devices.
12. Identify indications and contraindications for using and demonstrate the use of:
a. disclosing tablets
b. dental floss
c. floss holders
d. interproximal brushes
e. bridge threaders
f. oral irrigation devices
g. antimicrobial rinses
13. On a classmate, demonstrate competence in oral hygiene using a disclosing agent, toothbrush,
and dental floss.
DA 120 3
8/14
2 of 10
Unit
Outline
I.
Goal of Preventive Dentistry
A. Partners in Prevention
II.
The Components of Preventive Dentistry
A. Patient Education
B. Fluoride
C. Sealants
D. Plaque control
E. Nutrition
III.
Plaque Control Program
A. Disclosing agents
B. Tooth brushing
1. Manual brushes
2. Automatic brushes
3. Selection of tooth brushing technique
4. Sequence of brushing
5. Toothbrush trauma
6. Toothbrush techniques
a. brush as they grow
b. Fones or circular Scrub
c. Bass or sulcular scrub
d. Modified Stillman
e. Charters
7. Dentifrices
C. Dental floss
1. Use
2. Types
3. Techniques
4. Floss holders
D. Auxiliary aids
1. Floss holders
2. Rubber or wooden stimulators
3. Water irrigators
4. Interproximal brushes
5. Floss threaders
6. Antimicrobial rinses
7. Chewing gum
E. Care of prosthetic devices
1. Fixed bridge
2. Orthodontic bonds and appliances
3. Removable Prostheses
DA 120 3
8/14
3 of 10
Learning
Steps
1.
Read the Performance Objective on the
cover sheet and the Course Objectives.
Attached in packet
2.
In your textbook, read pages 198 – 222
and complete workbook chapter 15.
Modern Dental Assisting, Bird and Robinson,
10th edition
3.
Attend all lectures as required.
Instructor
4.
View videocassette "Bass Technique and
Flossing."
Video Library
5.
Complete Assignment Sheets, "Plaque
Removal."
Attached in packet
6.
Take the Practical Evaluations. Use the
Evaluation Sheets, "Practical Evaluation 1,
2, and 3."
Attached in packet and Instructor
7.
Take the test for 120 3.
As scheduled
DA 120 3
8/14
4 of 10
PLAQUE REMOVAL
Assignment
Sheet
1.
Identify the primary agents utilized for plaque removal.
2.
Explain angulation, brush position and type of bristle movement for each of the following:
a. circular scrub –
b. bass –
c. Stillman –
d. charters –
e. fones –
3.
List factors which influence the choice of a toothbrushing technique for an individual.
DA 120 3
8/14
5 of 10
Assignment
Sheet
4.
List three requirements of a toothbrush.
5.
List the three types of tooth brush trauma and give treatment for the trauma.
6.
Explain the importance of utilizing a sequence of brushing.
7.
List the six basic steps in dental flossing a tooth.
8.
Discuss disclosing agents, as related to purpose, available forms, and contraindications for use.
DA 120 3
8/14
6 of 10
Assignment
Sheet
9.
List the types of dentifrices, their functions, and the oral conditions that determine the type
recommended to the patient.
11.
List three examples of oral conditions that indicate the use of water irrigation devices.
12.
List the three types of manual interdental stimulators and indicate the oral conditions that indicate
their use.
13.
What conditions determine the use of floss threaders and holders? What is the danger in their use?
14.
What types of patients should use the powered toothbrush?
15.
Give the use of non-therapeutic and antimicrobial mouthwashes.
DA 120 3
8/14
7 of 10
ORAL HEALTH
DA 120 3
PRACTICAL EVALUATION 1
Evaluation
Sheet
BASS AND STILLMAN TOOTHBRUSH TECHNIQUES
Name ______________________________________________________________________
Performance Objective
Working in groups of three, the student will demonstrate the Bass and Stillman toothbrush techniques on a classmates
mouth. The student will be evaluated according to the criteria listed below. The evaluation will be scored as follows:
2 – Meets criteria with no supervision
1 – Meets criteria with supervision
0 – Does not meet criteria
Two points will be deducted for repeated attempts.
CRITERIA
SCORING
COMMENTS
Bass Technique
1. Selected necessary supplies and equipment
a. disclosing agent
b. toothbrush
c. evacuation equipment or water for rinsing
d. mouth mirror
0
1
2
2. Grasped the brush with a firm grip and brushed
in a systematic approach.
0
1
2
3. Directed bristles at a 45-degree angle to the long
axis of the teeth.
0
1
2
4. Moved the brush in slow, circular movement.
0
1
2
5. Brushed the lingual surfaces of anterior teeth
a. Brushed each tooth separately
b. Used toe of brush with sweeping motion
0
1
2
6. Brushed the distal or heel of last tooth in each
quadrant:
a. used toe of brush
b. used sweeping motion (lingual-facial)
0
1
2
7. Brushed occlusal surfaces with a scrubbing
motion.
0
1
2
8. Rinsed mouth and disclosed teeth.
0
1
2
9. Examined teeth with mouth mirror for any missed
areas and re-cleaned any missed areas.
0
1
2
1. Positioned brush at a 45-degree angle to long axis
of tooth.
0
1
2
2. Positioned the brush at the gingival margin.
0
1
2
3. Applied lateral pressure.
0
1
2
Stillman Technique
Total point possible = 24
Points needed for mastery = 19
DA 120 3
8/14
Points received = ________
8 of 10
ORAL HEALTH
DA 120 3
PRACTICAL EVALUATION 2
Evaluation
Sheet
FLOSSING
Name ______________________________________________________________________
Performance Objective
Working in groups of three, the student will demonstrate flossing on a classmate's mouth. The student will be
evaluated according to the criteria listed below. The evaluation will be scored as follows:
2 – Meets criteria with no supervision
1 – Meets criteria with supervision
0 – Does not meet criteria
Two points will be deducted for repeated attempts.
CRITERIA
1. Dispensed 18 inches of floss.
SCORING
0
1
2
2. Wrapped ¾ of floss around middle finger of
one hand.
3. Wrapped loose end around middle finger
of opposite hand, leaving 3-5 inches free
and unwrapped between fingers.
4. Drew floss gently through contact points using
sawing motion.
5. Curved floss around tooth and inserted below
gingival.
6. Polished proximal surface using up and down
motion, holding the floss tight against the tooth.
7. Brought floss to tip of papillae.
0
1
2
0
1
2
0
1
2
0
1
2
0
1
2
0
1
2
8. Curved floss around adjacent tooth.
0
1
2
9. Followed the same sequence as in brushing
and flossed all teeth in the prescribed manner.
10. Advanced floss to non-shredded and non-soiled
area as needed.
11. Examined teeth with mouth mirror for any
missed areas.
0
1
2
0
1
2
0
1
2
Total point possible = 22
Points needed for mastery = 18
DA 120 3
8/14
COMMENTS
Points received = ________
9 of 10
ORAL HEALTH
DA 120 3
PRACTICAL EVALUATION 3
Evaluation
Sheet
AUXILIARY AIDS
Name ______________________________________________________________________
Performance Objective
The student will demonstrate the proper use of dental health auxiliary aids. The student will be evaluated according to
the criteria listed below. The evaluation will be scored as follows:
2 – Meets criteria with no supervision
1 – Meets criteria with supervision
0 – Does not meet criteria
Two points will be deducted for repeated attempts.
CRITERIA
SCORING
1. Water irrigator
a. explained how to assemble the water irrigator
b. controlled the water pressure starting low and
increasing as needed
c. directed the stream horizontal to the gingival
margin and through the embrasure
d. explained the effectiveness of the irrigator
2. Interdental stimulators (Rubber Tips)
a. placed the tip at a 90-degree angle
b. applied gentle pumping motion and pressure
against the tissue
c. explained the reason for use and effectiveness
3. Stimudents
a. softened wood prior to insertion
b. placed at a 90-degree angle with the flat edge
toward the gingival
c. moved in and out gently, first to one side of
the embrasure, then to the other
d. explained the reason for use and effectiveness
4. Toothpick holder (Perio Pic)
a. moistened the tip prior to insertion
b. placed at a 90-degree angle
c. followed gingival sulcus
d. explained the use and effectiveness
5. Floss holder
a. threaded floss holder and placed through
contacts
b. manipulated floss up and down
c. explained what type of patient can benefit
from the floss holder
6. Bridge Threader
a. threaded the floss correctly
b. thoroughly cleaned contacts and abutments
Total point possible = 40
0
0
1
1
2
2
0
1
2
0
1
2
0
0
1
1
2
2
0
1
2
0
0
1
1
2
2
0
1
2
0
1
2
0
0
0
0
1
1
1
1
2
2
2
2
0
1
2
0
0
1
1
2
2
0
0
1
1
2
2
Points needed for mastery = 32
DA 120 3
8/14
COMMENTS
Points received = ________
10 of 10