Community Dental Hygiene II Exam Ready
Study Guide 2026/2027
⭐ Latest Edition | Complete Questions with Correct
Detailed Answers | Fast & Effective Revision
Get fully prepared and exam-ready with this Exam Ready Study Guide (2026/2027 Edition)—
a clear, structured, and high-impact revision tool designed to help you study efficiently and
improve your performance.
This guide contains complete exam questions with correct detailed answers, carefully
organized to match real exam patterns. Each answer includes simple, clear explanations that
help you understand key concepts and retain information faster.
🔥 Key Highlights
✔ Complete exam-style questions covering essential topics
✔ Correct answers with detailed explanations
✔ Simple and clear breakdown of complex concepts
✔ Well-organized format for quick revision
✔ Latest updated version (2026/2027)
🚀 Why This Guide Works
This study guide helps you focus on important topics, improve understanding, and revise
quickly. It is designed to make exam preparation easier, more structured, and more effective.
🎯 Perfect For
• Final exam preparation
• Midterm revision
• Last-minute study sessions
• Practicing exam-style questions
• Improving confidence and performance
,📚 A smart and reliable study tool designed to help you prepare faster, understand better,
and succeed in your exams.
A study in which df/dmf are conducted yearly on the same group of children is an
example of which type of study?
Longitudinal
Sealant programs are recommended for _________.
Children and young adults in fluoridated and nonfluoridated communities
In a nonfluoridated community, which preventative dental health program would
have the maximum cost benefit for the control of caries in elementary school
children?
A fluoride mouth rinse program
The ideal epidemiologic study of periodontal disease or dental caries is one in
which __________.
Simple indices and calibrated examiners are used
What is a disadvantage of the DMFT index?
It measures cumulative experience and is not necessarily indicative of current caries
activity
Gingivitis precedes periodontitis. Areas of the mouth affected by gingivitis will
most likely become affected in alter years by periodontitis.
First statement is true; second statement is false
The first step in establishing a community health program is to _____________.
Identify community needs
What caries index applies to primary dentition?
def
A survey was conducted to determine how many new carious lesions develop
during the school year in the permanent teeth of 6th grade children. Results of
the survey provide a measure of what?
Incidence of dental caries
Fluoridation has several mechanisms for caries inhibition. Included are
enhancement of remineralization of enamel, inhibition of glycolysis, incorporation
of fluoride into the enamel hydroxyapatite crystal, and bacteriocidal action. T or F
Both statements are true
The "Ramfjord teeth" commonly used to simplify dental indexes include which
teeth?
16, 21, 24, 36, 41, 44
If the major purpose of an epidemiologist's research is to determine caries
susceptibility as opposed to immediate treatment needs, the best caries index to
use is the ______.
DMFT
, Fluorides are stored in skeletal tissues. Even when concentrations reach 8 ppm,
no impairment in general health can be detected. T or F
Both statements are TRUE
Why does water fluoridation rank as a very successful primary oral health
measure?
It demonstrates to the public that caries and tooth loss are not inevitable
Controversy surrounding water fluoridation of the drinking water has once again
resurfaced. Opponents feel that fluoridation of water is a __________.
Violation of individual rights
Risk factor for bone cancer
Risk factor for down syndrome
The epidemiology of periodontal disease is much more difficult to study than
dental caries because of ______________________________.
Involvement of more than one structure, greater accumulation later in life, problems with
quantitative assessment, and inability to correctly assess impairment in tooth function
Prevalence is used to measure dental caries when: ___________.
Caries rates are expected to be low
As a dental hygienist, your role in the community concerning tobacco use should
be to: _____________.
Ask, advice, assist, and arrange for all patients to stop using tobacco
Do not personally use any form of tobacco
Conduct diligent oral exams on both patients who report and do not report tobacco use
Adults ingest apprx. how many milligrams of fluoride daily?
1-3 mg
The human body possesses a prompt and efficient excretory mechanism for
fluorides; however, this does not minimize the danger of long-term accumulation
of fluorides, which can be toxic. T or F
First statement is true; second statement is false
A special characteristic of the Root Caries Index (RCI) as compared to other
dental indexes is _____________.
It is unique in that it includes the concept teeth at risk
How can the DMF be used to assess the effectiveness of a program?
Decrease in D; Increase in F
What action would you take if the avg plaque index from a group was 2.75?
Initiate a plaque control education program
The most common cause of tooth loss in adult life prior to age 60 is _________.
Dental caries
The effectiveness of a dental health program can be measured by what?
The degree to which it meets program objectives
What age groups are most subject to rampant dental caries?
Young children with poor oral hygiene; adults with gingival recession
Define fluorosis.
Hypermineralization of the enamel caused by overingestion of fluoride during tooth
development
The most important determinants of dental utilization are _____________.
Socioeconomic status, dentate status, and gender
Study Guide 2026/2027
⭐ Latest Edition | Complete Questions with Correct
Detailed Answers | Fast & Effective Revision
Get fully prepared and exam-ready with this Exam Ready Study Guide (2026/2027 Edition)—
a clear, structured, and high-impact revision tool designed to help you study efficiently and
improve your performance.
This guide contains complete exam questions with correct detailed answers, carefully
organized to match real exam patterns. Each answer includes simple, clear explanations that
help you understand key concepts and retain information faster.
🔥 Key Highlights
✔ Complete exam-style questions covering essential topics
✔ Correct answers with detailed explanations
✔ Simple and clear breakdown of complex concepts
✔ Well-organized format for quick revision
✔ Latest updated version (2026/2027)
🚀 Why This Guide Works
This study guide helps you focus on important topics, improve understanding, and revise
quickly. It is designed to make exam preparation easier, more structured, and more effective.
🎯 Perfect For
• Final exam preparation
• Midterm revision
• Last-minute study sessions
• Practicing exam-style questions
• Improving confidence and performance
,📚 A smart and reliable study tool designed to help you prepare faster, understand better,
and succeed in your exams.
A study in which df/dmf are conducted yearly on the same group of children is an
example of which type of study?
Longitudinal
Sealant programs are recommended for _________.
Children and young adults in fluoridated and nonfluoridated communities
In a nonfluoridated community, which preventative dental health program would
have the maximum cost benefit for the control of caries in elementary school
children?
A fluoride mouth rinse program
The ideal epidemiologic study of periodontal disease or dental caries is one in
which __________.
Simple indices and calibrated examiners are used
What is a disadvantage of the DMFT index?
It measures cumulative experience and is not necessarily indicative of current caries
activity
Gingivitis precedes periodontitis. Areas of the mouth affected by gingivitis will
most likely become affected in alter years by periodontitis.
First statement is true; second statement is false
The first step in establishing a community health program is to _____________.
Identify community needs
What caries index applies to primary dentition?
def
A survey was conducted to determine how many new carious lesions develop
during the school year in the permanent teeth of 6th grade children. Results of
the survey provide a measure of what?
Incidence of dental caries
Fluoridation has several mechanisms for caries inhibition. Included are
enhancement of remineralization of enamel, inhibition of glycolysis, incorporation
of fluoride into the enamel hydroxyapatite crystal, and bacteriocidal action. T or F
Both statements are true
The "Ramfjord teeth" commonly used to simplify dental indexes include which
teeth?
16, 21, 24, 36, 41, 44
If the major purpose of an epidemiologist's research is to determine caries
susceptibility as opposed to immediate treatment needs, the best caries index to
use is the ______.
DMFT
, Fluorides are stored in skeletal tissues. Even when concentrations reach 8 ppm,
no impairment in general health can be detected. T or F
Both statements are TRUE
Why does water fluoridation rank as a very successful primary oral health
measure?
It demonstrates to the public that caries and tooth loss are not inevitable
Controversy surrounding water fluoridation of the drinking water has once again
resurfaced. Opponents feel that fluoridation of water is a __________.
Violation of individual rights
Risk factor for bone cancer
Risk factor for down syndrome
The epidemiology of periodontal disease is much more difficult to study than
dental caries because of ______________________________.
Involvement of more than one structure, greater accumulation later in life, problems with
quantitative assessment, and inability to correctly assess impairment in tooth function
Prevalence is used to measure dental caries when: ___________.
Caries rates are expected to be low
As a dental hygienist, your role in the community concerning tobacco use should
be to: _____________.
Ask, advice, assist, and arrange for all patients to stop using tobacco
Do not personally use any form of tobacco
Conduct diligent oral exams on both patients who report and do not report tobacco use
Adults ingest apprx. how many milligrams of fluoride daily?
1-3 mg
The human body possesses a prompt and efficient excretory mechanism for
fluorides; however, this does not minimize the danger of long-term accumulation
of fluorides, which can be toxic. T or F
First statement is true; second statement is false
A special characteristic of the Root Caries Index (RCI) as compared to other
dental indexes is _____________.
It is unique in that it includes the concept teeth at risk
How can the DMF be used to assess the effectiveness of a program?
Decrease in D; Increase in F
What action would you take if the avg plaque index from a group was 2.75?
Initiate a plaque control education program
The most common cause of tooth loss in adult life prior to age 60 is _________.
Dental caries
The effectiveness of a dental health program can be measured by what?
The degree to which it meets program objectives
What age groups are most subject to rampant dental caries?
Young children with poor oral hygiene; adults with gingival recession
Define fluorosis.
Hypermineralization of the enamel caused by overingestion of fluoride during tooth
development
The most important determinants of dental utilization are _____________.
Socioeconomic status, dentate status, and gender
