New Jersey Registered Dental Assisting
Preparation, RDA Final Review UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Attrition/Bruxism - CORRECT ANSWER - Wearing away of incisal/occlusal surfaces of
teeth, grinding, or clenching
Does fluoride control the slowing demineralization and enhancing reminerilization of the teeth? -
CORRECT ANSWER - True
The relationship between diet and dental carries normally involves all of the following
Streptococcus mutans, lactobacillus, fermentable carbohydrate, adequate oral hygiene, a
susceptible host except? - CORRECT ANSWER - Susceptible host
Topical Fluoride is available in the following forms. - CORRECT ANSWER - Rinses, foams,
varnishes and prescription tablets.
The sticky mass that grows on the teeth and contains bacteria is? - CORRECT ANSWER -
Plaque
RDA's can perform specific expanded functions except? - CORRECT ANSWER -
Condensing filling material in the tooth.
The bacteria responsible for dental decay are? - CORRECT ANSWER - Lactobacilli, and
mutan streptococci
Patients who receive gel or foam fluoride treatments need to avoid eating, drinking or rinsing for
___ minutes after the procedure? - CORRECT ANSWER - 30
,What best describes the definition of cariogenic? - CORRECT ANSWER - Tendency to
produce dental caries
Chronic ( long-term) over exposure to even low concentrations of fluoride can result in ? -
CORRECT ANSWER - Flurosis
____________is the nutrient required to cause dental caries. - CORRECT ANSWER -
Carbohydrates
___________ is the level of supervision that involves the Dental Auxiliary performing certain
delegated duties as instructed by the dentist while he/she be physically be present in the office. -
CORRECT ANSWER - Direct supervision
For Patients with high risk caries rate, what percent of Stannous Fluoride is in the prescription
strength rinses? - CORRECT ANSWER - 0.63%- According to the manufacturer
What type of sugar is considered to be the most cariogenic? - CORRECT ANSWER - Sucrose
What is the name of the only artificial sweetener that actually prevents caries? - CORRECT
ANSWER - Xylitol
What is another term use to name toothpaste? - CORRECT ANSWER - Dentifrice
What type of toothbrush is most recommended to patients for oral hygiene at home? -
CORRECT ANSWER - Soft
Denture Care - CORRECT ANSWER - Mild soap, denture tooth brush, non abrasive denture
cleaning tablets
The purpose of tooth paste is to? - CORRECT ANSWER - Removes food and contains
abrasive to remove stains.
,What is the primary source of everyday topical fluoride? - CORRECT ANSWER - Toothpaste
When filling the fluoride tray with gel or foam, fill the tray about? - CORRECT ANSWER -
1/3 full
What type of agent will allow for teaching to patients that they are not brushing adequately? -
CORRECT ANSWER - Disclosing agent (snoop)
What type of procedure is a topical in the office fluoride treatment? - CORRECT ANSWER -
Preventative
Which procedure can not be performed after the application of a fluoride treatment? -
CORRECT ANSWER - Before placement of ortho bands, before sealants, before bonding
laminates.
In developing a prevention program the dental team must - CORRECT ANSWER - Asses the
individual of the educational skills and ability, determine needs based on oral condition;
assessment, Be effective and simple.
What is the most important aspect or purpose of coronal polishing? - CORRECT ANSWER -
It is used to remove stain and plaque from coronal surfaces.
The caries can be slowed or prevented by? - CORRECT ANSWER - using fluoride, flossing
along with brushing.
What is the name of the finger rest that is utilized in dentistry that controls and stabilizes the
hand while working on a patient? - CORRECT ANSWER - Fulcrum ( ring finger)
What type of appearance will a tooth have after it has been etched, rinsed and dried with
evacuation? - CORRECT ANSWER - Frosted appearance
, Xerostoma - CORRECT ANSWER - Dryness of the mouth
Rampant caries can be caused by - CORRECT ANSWER - Infrequent flossing, eating a diet
high in complex carbohydrates, and putting a child to bed with a bottle.
When utilizing etchant during a dental procedure in order for bonding material to adhere to
dentin, what layer is removed by using the etchant? - CORRECT ANSWER - The smear layer
How long is etchant left on a tooth before removing with evacuation? - CORRECT
ANSWER - At least 15-20 seconds
What type of matrix would be utilized when completing a composite restoration on an anterior
tooth? - CORRECT ANSWER - Myler strip, plastic clear strip
What classification of carries would render the use of a matrix band or contact matrix? -
CORRECT ANSWER - Class II
M.O.D
Matrix Band - CORRECT ANSWER - taking form or helping to develop
inicpient caries is best termed as - CORRECT ANSWER - small areas (in between the
teeth)that show signs of demineralization
What is the scientific name of etchant? - CORRECT ANSWER - Phosphoric or Maleic acid
What teeth are the most difficult to reach when using fulcrum during a dental procedure? -
CORRECT ANSWER - Maxillary posterior
Preparation, RDA Final Review UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Attrition/Bruxism - CORRECT ANSWER - Wearing away of incisal/occlusal surfaces of
teeth, grinding, or clenching
Does fluoride control the slowing demineralization and enhancing reminerilization of the teeth? -
CORRECT ANSWER - True
The relationship between diet and dental carries normally involves all of the following
Streptococcus mutans, lactobacillus, fermentable carbohydrate, adequate oral hygiene, a
susceptible host except? - CORRECT ANSWER - Susceptible host
Topical Fluoride is available in the following forms. - CORRECT ANSWER - Rinses, foams,
varnishes and prescription tablets.
The sticky mass that grows on the teeth and contains bacteria is? - CORRECT ANSWER -
Plaque
RDA's can perform specific expanded functions except? - CORRECT ANSWER -
Condensing filling material in the tooth.
The bacteria responsible for dental decay are? - CORRECT ANSWER - Lactobacilli, and
mutan streptococci
Patients who receive gel or foam fluoride treatments need to avoid eating, drinking or rinsing for
___ minutes after the procedure? - CORRECT ANSWER - 30
,What best describes the definition of cariogenic? - CORRECT ANSWER - Tendency to
produce dental caries
Chronic ( long-term) over exposure to even low concentrations of fluoride can result in ? -
CORRECT ANSWER - Flurosis
____________is the nutrient required to cause dental caries. - CORRECT ANSWER -
Carbohydrates
___________ is the level of supervision that involves the Dental Auxiliary performing certain
delegated duties as instructed by the dentist while he/she be physically be present in the office. -
CORRECT ANSWER - Direct supervision
For Patients with high risk caries rate, what percent of Stannous Fluoride is in the prescription
strength rinses? - CORRECT ANSWER - 0.63%- According to the manufacturer
What type of sugar is considered to be the most cariogenic? - CORRECT ANSWER - Sucrose
What is the name of the only artificial sweetener that actually prevents caries? - CORRECT
ANSWER - Xylitol
What is another term use to name toothpaste? - CORRECT ANSWER - Dentifrice
What type of toothbrush is most recommended to patients for oral hygiene at home? -
CORRECT ANSWER - Soft
Denture Care - CORRECT ANSWER - Mild soap, denture tooth brush, non abrasive denture
cleaning tablets
The purpose of tooth paste is to? - CORRECT ANSWER - Removes food and contains
abrasive to remove stains.
,What is the primary source of everyday topical fluoride? - CORRECT ANSWER - Toothpaste
When filling the fluoride tray with gel or foam, fill the tray about? - CORRECT ANSWER -
1/3 full
What type of agent will allow for teaching to patients that they are not brushing adequately? -
CORRECT ANSWER - Disclosing agent (snoop)
What type of procedure is a topical in the office fluoride treatment? - CORRECT ANSWER -
Preventative
Which procedure can not be performed after the application of a fluoride treatment? -
CORRECT ANSWER - Before placement of ortho bands, before sealants, before bonding
laminates.
In developing a prevention program the dental team must - CORRECT ANSWER - Asses the
individual of the educational skills and ability, determine needs based on oral condition;
assessment, Be effective and simple.
What is the most important aspect or purpose of coronal polishing? - CORRECT ANSWER -
It is used to remove stain and plaque from coronal surfaces.
The caries can be slowed or prevented by? - CORRECT ANSWER - using fluoride, flossing
along with brushing.
What is the name of the finger rest that is utilized in dentistry that controls and stabilizes the
hand while working on a patient? - CORRECT ANSWER - Fulcrum ( ring finger)
What type of appearance will a tooth have after it has been etched, rinsed and dried with
evacuation? - CORRECT ANSWER - Frosted appearance
, Xerostoma - CORRECT ANSWER - Dryness of the mouth
Rampant caries can be caused by - CORRECT ANSWER - Infrequent flossing, eating a diet
high in complex carbohydrates, and putting a child to bed with a bottle.
When utilizing etchant during a dental procedure in order for bonding material to adhere to
dentin, what layer is removed by using the etchant? - CORRECT ANSWER - The smear layer
How long is etchant left on a tooth before removing with evacuation? - CORRECT
ANSWER - At least 15-20 seconds
What type of matrix would be utilized when completing a composite restoration on an anterior
tooth? - CORRECT ANSWER - Myler strip, plastic clear strip
What classification of carries would render the use of a matrix band or contact matrix? -
CORRECT ANSWER - Class II
M.O.D
Matrix Band - CORRECT ANSWER - taking form or helping to develop
inicpient caries is best termed as - CORRECT ANSWER - small areas (in between the
teeth)that show signs of demineralization
What is the scientific name of etchant? - CORRECT ANSWER - Phosphoric or Maleic acid
What teeth are the most difficult to reach when using fulcrum during a dental procedure? -
CORRECT ANSWER - Maxillary posterior
