Community Dental
Hygiene II 2026 | Study
Guide, Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
,A study in which df/dmf are conducted yearly on the same Longitudinal
group of children is an example of which type of study?
Sealant programs are recommended for _________. Children and young adults in fluoridated and nonfluoridated communities
In a nonfluoridated community, which preventative dental A fluoride mouth rinse program
health program would have the maximum cost benefit for
the control of caries in elementary school children?
The ideal epidemiologic study of periodontal disease or Simple indices and calibrated examiners are used
dental caries is one in which __________.
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 First statement is true; second statement is false
affected by gingivitis will most likely become affected in
alter years by periodontitis.
The first step in establishing a community health program Identify community needs
is to _____________.
What caries index applies to primary dentition? def
A survey was conducted to determine how many new Incidence of dental caries
carious lesions develop during the school year in the
permanent teeth of 6th grade children. Results of the
survey provide a measure of what?
Fluoridation has several mechanisms for caries inhibition. Both statements are true
Included are enhancement of remineralization of enamel,
inhibition of glycolysis, incorporation of fluoride into the
enamel hydroxyapatite crystal, and bacteriocidal action. T
or F
The "Ramfjord teeth" commonly used to simplify dental 16, 21, 24, 36, 41, 44
indexes include which teeth?
If the major purpose of an epidemiologist's research is to DMFT
determine caries susceptibility as opposed to immediate
treatment needs, the best caries index to use is the
______.
, Fluorides are stored in skeletal tissues. Even when Both statements are TRUE
concentrations reach 8 ppm, no impairment in general
health can be detected. T or F
Why does water fluoridation rank as a very successful It demonstrates to the public that caries and tooth loss are not inevitable
primary oral health measure?
Controversy surrounding water fluoridation of the drinking Violation of individual rights
water has once again resurfaced. Opponents feel that Risk factor for bone cancer
fluoridation of water is a __________. Risk factor for down syndrome
The epidemiology of periodontal disease is much more Involvement of more than one structure, greater accumulation later in life, problems
difficult to study than dental caries because of 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 Ask, advice, assist, and arrange for all patients to stop using tobacco
concerning tobacco use should be to: _____________. 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 First statement is true; second statement is false
excretory mechanism for fluorides; however, this does not
minimize the danger of long-term accumulation of
fluorides, which can be toxic. T or F
A special characteristic of the Root Caries Index (RCI) as It is unique in that it includes the concept teeth at risk
compared to other dental indexes is _____________.
How can the DMF be used to assess the effectiveness of a Decrease in D; Increase in F
program?
What action would you take if the avg plaque index from a Initiate a plaque control education program
group was 2.75?
The most common cause of tooth loss in adult life prior to Dental caries
age 60 is _________.
Hygiene II 2026 | Study
Guide, Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
,A study in which df/dmf are conducted yearly on the same Longitudinal
group of children is an example of which type of study?
Sealant programs are recommended for _________. Children and young adults in fluoridated and nonfluoridated communities
In a nonfluoridated community, which preventative dental A fluoride mouth rinse program
health program would have the maximum cost benefit for
the control of caries in elementary school children?
The ideal epidemiologic study of periodontal disease or Simple indices and calibrated examiners are used
dental caries is one in which __________.
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 First statement is true; second statement is false
affected by gingivitis will most likely become affected in
alter years by periodontitis.
The first step in establishing a community health program Identify community needs
is to _____________.
What caries index applies to primary dentition? def
A survey was conducted to determine how many new Incidence of dental caries
carious lesions develop during the school year in the
permanent teeth of 6th grade children. Results of the
survey provide a measure of what?
Fluoridation has several mechanisms for caries inhibition. Both statements are true
Included are enhancement of remineralization of enamel,
inhibition of glycolysis, incorporation of fluoride into the
enamel hydroxyapatite crystal, and bacteriocidal action. T
or F
The "Ramfjord teeth" commonly used to simplify dental 16, 21, 24, 36, 41, 44
indexes include which teeth?
If the major purpose of an epidemiologist's research is to DMFT
determine caries susceptibility as opposed to immediate
treatment needs, the best caries index to use is the
______.
, Fluorides are stored in skeletal tissues. Even when Both statements are TRUE
concentrations reach 8 ppm, no impairment in general
health can be detected. T or F
Why does water fluoridation rank as a very successful It demonstrates to the public that caries and tooth loss are not inevitable
primary oral health measure?
Controversy surrounding water fluoridation of the drinking Violation of individual rights
water has once again resurfaced. Opponents feel that Risk factor for bone cancer
fluoridation of water is a __________. Risk factor for down syndrome
The epidemiology of periodontal disease is much more Involvement of more than one structure, greater accumulation later in life, problems
difficult to study than dental caries because of 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 Ask, advice, assist, and arrange for all patients to stop using tobacco
concerning tobacco use should be to: _____________. 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 First statement is true; second statement is false
excretory mechanism for fluorides; however, this does not
minimize the danger of long-term accumulation of
fluorides, which can be toxic. T or F
A special characteristic of the Root Caries Index (RCI) as It is unique in that it includes the concept teeth at risk
compared to other dental indexes is _____________.
How can the DMF be used to assess the effectiveness of a Decrease in D; Increase in F
program?
What action would you take if the avg plaque index from a Initiate a plaque control education program
group was 2.75?
The most common cause of tooth loss in adult life prior to Dental caries
age 60 is _________.
