NDAEB Practice Questions and Answers
Lucy B. Hobbs-Taylor - ✔✔- Who was the first woman to graduate from a
recognized dental college?
- initial or recurring decay
- replacement or failed restorations
- abrasion or wearing away of tooth structure - ✔✔- What are the conditions
that would indicate the need for restorative dentistry?
False - ✔✔- True or False: Aesthetic dentistry is primarily devoted to
improving the appearance of teeth; specific conditions that indicate a need for
aesthetic treatment include the replacement of a partial denture.
- initial preparation
- outline, resistance, retention, convenience form
- final preparation - ✔✔- The process of removing unhealthy tooth structure
while leaving a limited amount of healthy structure for the tooth to maintain a
restoration is known as cavity preparation. This process involves which of the
following steps?
True - ✔✔- Responsibilities of the dental assistant in the restorative process
can include performing expanded function and maintaining patient control.
Posterior teeth - ✔✔- Class II restorations are found on the....
Composite Resin - ✔✔- The usual material of choice for class III and Class IV
restorations is ...
- incisors
- canines
- premolars - ✔✔- The Class V restoration is classified as a smooth surface
filling and can be found on the...
- when decay has extended beyond the normal size and shape of the cavity
preparation
- when a stronger system for retaining and supporting the restoration is
needed
,- when one or more cusps of the tooth is missing - ✔✔- When are retention
pins used as a part of the direct restorative process?
- improving appearance of teeth that are abraded, eroded or discoloured
- closing a diastema
- improving alignment of teeth - ✔✔- A veneer is a thin layer of tooth-coloured
material that is placed on the facial surface of a prepared tooth and is used
for:
when the patient presents with severe tetracycline and fluorosis stains - ✔✔-
When is tooth whitening or vital bleaching not indicated for a dental patient?
Class II, III, and V - ✔✔- A matrix must be used to create a temporary wall for
which of the following classifications of tooth restoration?
tofflemire retainer and matrix band - ✔✔- The most common matrix system
used for class II posterior restorations is the...
on the buccal surface of the tooth being restored - ✔✔- The
universal/Tofflemire retainer holds the matrix band snugly in position and is
most often positioned...
- using a wedge
- contouring the centre of the matrix band in the proximal contact area
- the dentists design of the inter proximal cavity preparation - ✔✔- The class
II restoration requires a matrix band to act as an artificial wall that must make
proper contact with the adjacent tooth; this is accomplished by...
Clear Plastic - ✔✔- The matrix is used for anterior CR or GI restorations...
- to remove plaque and stains from coronal surfaces of the teeth
- before placement of dental sealants and orthodontic bands
- before placement of the dental dam and before acid etching - ✔✔- Coronal
Polishing is a technique used:
True - ✔✔- Patients at high risk for caries or with areas of thin demineralized
enamel are contraindications for coronal polishing
False - ✔✔- Coronal polishing is the complete removal of calculus, debris,
stains and plaque from the teeth
,- Intrinsic stains
- Extrinsic stains - ✔✔- Exogenous stains are caused by an environmental
source and are classified into subdivisions, including which of the following:
- air-powder polishing
- rubber cup polishing
- bristle brushes - ✔✔- Extrinsic stains can be removed from the teeth by:
False - ✔✔- The ultrasonic scaler is needed for a coronal polish...
- identifying areas of plaque
- evaluating the effectiveness of the polishing - ✔✔- Disclosing solution can
be used for:
True - ✔✔- Teeth with very small initial carious lesions may be sealed, and
the bacteria will not survive under a properly placed sealant
- through the caries-active period (ages 6-15)
- for teeth with deep pits & fissures
- for some adults - ✔✔- Sealants have been proved an effective way to
prevent the development of dental caries and are indicated:
- obvious dental decay or proximal surface decay
- primary teeth that will be lost soon
- poor patient cooperation in the dental chair or lack of pits & fissures - ✔✔-
Sealants shouldn't be used in which of the following situations:
- method of polymerization
- colour
- whether they contain fillers - ✔✔- Sealants may vary in:
False - ✔✔- A general tip for sealant materials is to store them in a
refrigerator:
clean the surface - ✔✔- The first step in placing dental sealants is to:
Self-Cured - ✔✔- A sealant that is polymerized by chemical reactions is
called:
, - a base
- a catalyst - ✔✔- Self-Cured sealant materials are supplied as a two-part
system that includes:
- fluorides
- dietary considerations
- plaque control - ✔✔- Dental sealants should be used as part of a
preventative program that includes:
frosty - ✔✔- Enamel that has been etched has the appearance of being:
False - ✔✔- Antidepressants are often used in dentistry to alleviate or reduce
anxiety and pain
Topical Anesthetics - ✔✔- The agents that provide a temporary numbing
effect on nerve endings located on the surface of the oral mucosa are:
- ointments & liquids
- sprays
- patches - ✔✔- Topical anesthesia is available in the form of:
Local Anesthesia - ✔✔- The most frequently used form of pain control used in
dentistry is:
Vasoconstrictor - ✔✔- ______ is added to local anesthetic agent to slow
down the intake of the agent and increase the duration of action
Smaller - ✔✔- The ____ the ratio, the higher the percentage of
vasoconstrictor in the anesthetic agent
False - ✔✔- Patients with a hx of heart conditions such as angina, recent
heart attack, recent coronary artery bypass surgery, severe hypertension, and
untreated or uncontrolled CHF should always use a local anesthetic with a
vasoconstrictor
duration - ✔✔- The time from when the local anesthetic takes complete effect
until the complete reversal of anesthesia is the ___ of the anesthetic agent
60 - 180 minutes - ✔✔- A short-acting local anesthetic agent can last from:
Lucy B. Hobbs-Taylor - ✔✔- Who was the first woman to graduate from a
recognized dental college?
- initial or recurring decay
- replacement or failed restorations
- abrasion or wearing away of tooth structure - ✔✔- What are the conditions
that would indicate the need for restorative dentistry?
False - ✔✔- True or False: Aesthetic dentistry is primarily devoted to
improving the appearance of teeth; specific conditions that indicate a need for
aesthetic treatment include the replacement of a partial denture.
- initial preparation
- outline, resistance, retention, convenience form
- final preparation - ✔✔- The process of removing unhealthy tooth structure
while leaving a limited amount of healthy structure for the tooth to maintain a
restoration is known as cavity preparation. This process involves which of the
following steps?
True - ✔✔- Responsibilities of the dental assistant in the restorative process
can include performing expanded function and maintaining patient control.
Posterior teeth - ✔✔- Class II restorations are found on the....
Composite Resin - ✔✔- The usual material of choice for class III and Class IV
restorations is ...
- incisors
- canines
- premolars - ✔✔- The Class V restoration is classified as a smooth surface
filling and can be found on the...
- when decay has extended beyond the normal size and shape of the cavity
preparation
- when a stronger system for retaining and supporting the restoration is
needed
,- when one or more cusps of the tooth is missing - ✔✔- When are retention
pins used as a part of the direct restorative process?
- improving appearance of teeth that are abraded, eroded or discoloured
- closing a diastema
- improving alignment of teeth - ✔✔- A veneer is a thin layer of tooth-coloured
material that is placed on the facial surface of a prepared tooth and is used
for:
when the patient presents with severe tetracycline and fluorosis stains - ✔✔-
When is tooth whitening or vital bleaching not indicated for a dental patient?
Class II, III, and V - ✔✔- A matrix must be used to create a temporary wall for
which of the following classifications of tooth restoration?
tofflemire retainer and matrix band - ✔✔- The most common matrix system
used for class II posterior restorations is the...
on the buccal surface of the tooth being restored - ✔✔- The
universal/Tofflemire retainer holds the matrix band snugly in position and is
most often positioned...
- using a wedge
- contouring the centre of the matrix band in the proximal contact area
- the dentists design of the inter proximal cavity preparation - ✔✔- The class
II restoration requires a matrix band to act as an artificial wall that must make
proper contact with the adjacent tooth; this is accomplished by...
Clear Plastic - ✔✔- The matrix is used for anterior CR or GI restorations...
- to remove plaque and stains from coronal surfaces of the teeth
- before placement of dental sealants and orthodontic bands
- before placement of the dental dam and before acid etching - ✔✔- Coronal
Polishing is a technique used:
True - ✔✔- Patients at high risk for caries or with areas of thin demineralized
enamel are contraindications for coronal polishing
False - ✔✔- Coronal polishing is the complete removal of calculus, debris,
stains and plaque from the teeth
,- Intrinsic stains
- Extrinsic stains - ✔✔- Exogenous stains are caused by an environmental
source and are classified into subdivisions, including which of the following:
- air-powder polishing
- rubber cup polishing
- bristle brushes - ✔✔- Extrinsic stains can be removed from the teeth by:
False - ✔✔- The ultrasonic scaler is needed for a coronal polish...
- identifying areas of plaque
- evaluating the effectiveness of the polishing - ✔✔- Disclosing solution can
be used for:
True - ✔✔- Teeth with very small initial carious lesions may be sealed, and
the bacteria will not survive under a properly placed sealant
- through the caries-active period (ages 6-15)
- for teeth with deep pits & fissures
- for some adults - ✔✔- Sealants have been proved an effective way to
prevent the development of dental caries and are indicated:
- obvious dental decay or proximal surface decay
- primary teeth that will be lost soon
- poor patient cooperation in the dental chair or lack of pits & fissures - ✔✔-
Sealants shouldn't be used in which of the following situations:
- method of polymerization
- colour
- whether they contain fillers - ✔✔- Sealants may vary in:
False - ✔✔- A general tip for sealant materials is to store them in a
refrigerator:
clean the surface - ✔✔- The first step in placing dental sealants is to:
Self-Cured - ✔✔- A sealant that is polymerized by chemical reactions is
called:
, - a base
- a catalyst - ✔✔- Self-Cured sealant materials are supplied as a two-part
system that includes:
- fluorides
- dietary considerations
- plaque control - ✔✔- Dental sealants should be used as part of a
preventative program that includes:
frosty - ✔✔- Enamel that has been etched has the appearance of being:
False - ✔✔- Antidepressants are often used in dentistry to alleviate or reduce
anxiety and pain
Topical Anesthetics - ✔✔- The agents that provide a temporary numbing
effect on nerve endings located on the surface of the oral mucosa are:
- ointments & liquids
- sprays
- patches - ✔✔- Topical anesthesia is available in the form of:
Local Anesthesia - ✔✔- The most frequently used form of pain control used in
dentistry is:
Vasoconstrictor - ✔✔- ______ is added to local anesthetic agent to slow
down the intake of the agent and increase the duration of action
Smaller - ✔✔- The ____ the ratio, the higher the percentage of
vasoconstrictor in the anesthetic agent
False - ✔✔- Patients with a hx of heart conditions such as angina, recent
heart attack, recent coronary artery bypass surgery, severe hypertension, and
untreated or uncontrolled CHF should always use a local anesthetic with a
vasoconstrictor
duration - ✔✔- The time from when the local anesthetic takes complete effect
until the complete reversal of anesthesia is the ___ of the anesthetic agent
60 - 180 minutes - ✔✔- A short-acting local anesthetic agent can last from:
