DENTAL NURSE 315 EXAM
QUESTIONS AND ANSWERS
It is the difference for prepare a tooth for filling and prepare the
tooth for an inlay - ANSWER-UNDERCUT
It used to remove the pulp (nerve) - ANSWER-BARBED
BROACH
Upper incisors protrude and the overjet is increased -
ANSWER-CLASS II Div I
Adam's universal pliers used for - ANSWER-Orthodontics
A horizontal overlap is called - ANSWER-OVERJET
Orthodontic brackets are fixed with - ANSWER-Glass Ionomer
Acid etch used for composite fillings contains - ANSWER-33%
phosphoric acid
siqveland matrix band is used for - ANSWER-Class II amalgam
restorations
Glass ionomer should be mixed on - ANSWER-A glass slab
with a metal spatula OR
Waxed paper with a metal spatula
Composite dental materials are mechanically adhesive after
etching to - ANSWER-ENAMEL
,The successful obturation of the root canal is aided by -
ANSWER-Lateral condensers
A *barbed broach* is used in endodontics to - ANSWER-
Remove canal contents
Irreversible pulpitis can be treated by - ANSWER-Extraction
A mesiodens is - ANSWER-supernumery tooth
A sign of gingivitis is - ANSWER-False Pocket
The recommended concentration of fluoride in the water supply
is - ANSWER-1 ppm (part per million)
The approximate concentration in ppm of fluoride in fluoride
toothpaste recommended for adults is - ANSWER-1350-
1500ppm
The early stage of caries appears as - ANSWER-White spot
Bacterial acid attack on tooth enamel results in - ANSWER-
DEMINERALISATION
The *usual retentive component* of a removable appliance is -
ANSWER-CRIB
A natural space occurring between erupted teeth in either arch
is called - ANSWER-Diastema
It is a part of the removable appliance - ANSWER-Labial bow
A vertical overlap is called - ANSWER-OVERBITE
The purpose of an orthodontic retainer is - ANSWER-Stabilise
teeth while the bone remodels
,A patient who sucks their thumb often has - ANSWER-
Proclined incisors and an anterior *open bite*
A functional orthodontic appliance will move teeth by: -
ANSWER-Increase overbite
Proclined upper central incisors is a feature of - ANSWER-
Class II Div I
The most appropriate advice for a patient who has been
supplied with an upper removable appliance - ANSWER-
Remove it when eating
It is a part of the fixed appliance - ANSWER-Bracket
Good oral hygiene is important for those patients who? -
ANSWER-Are wearing any orthodontic appliance
Functional appliances work by using - ANSWER-Muscular
forces to move the *jaw*
Congenitally absent teeth are those which? - ANSWER-Have
been missing since birth
Instruments tha should be set out for a patient attending with a
removable orthodontic appliance are: - ANSWER-Adam's
universal and spring forming pliers
The impression material often used for denture construction is -
ANSWER-ALGINATE (irreversible hydrocolloid)
A fixed movable type of bridge is necessary in some
circumstances to allow - ANSWER-Slight movement at the
bridge joint
The inhalation or swallowing of endo instruments can be
prevented by the use of: - ANSWER-- Parachute chains
, - Rubber dam
- Floss ties around the instruments
A bridge which has retainers several teeth away from the pontic
is called a - ANSWER-Spring cantilever bridge
The instrument used to curette infected or cystic debris from a
surgical site is - ANSWER-Mitchells trimmer
An oroantral fistula is most likely to develop following the
attempted extraction of - ANSWER-Upper molar roots
The commonest post operative extraction complication is -
ANSWER-A localised *osteitis*
Critical pH is - ANSWER-5.5
Streptococcal bacteria have been indicated in causing -
ANSWER-Caries
Subgingival plaque will contain - ANSWER-- Anaerobic bacteria
- Food debris
- Dead blood cells
The natural repair of enamel is known as - ANSWER-
Remineralisation
The wear of the teeth by *grinding* is known as - ANSWER-
ATTRITION
The hard rock like substance found commonly on the lingual
surfaces of anterior teeth is known as - ANSWER-CALCULUS
Excessive consumption of fluoride can result in - ANSWER-
FLUOROSIS
QUESTIONS AND ANSWERS
It is the difference for prepare a tooth for filling and prepare the
tooth for an inlay - ANSWER-UNDERCUT
It used to remove the pulp (nerve) - ANSWER-BARBED
BROACH
Upper incisors protrude and the overjet is increased -
ANSWER-CLASS II Div I
Adam's universal pliers used for - ANSWER-Orthodontics
A horizontal overlap is called - ANSWER-OVERJET
Orthodontic brackets are fixed with - ANSWER-Glass Ionomer
Acid etch used for composite fillings contains - ANSWER-33%
phosphoric acid
siqveland matrix band is used for - ANSWER-Class II amalgam
restorations
Glass ionomer should be mixed on - ANSWER-A glass slab
with a metal spatula OR
Waxed paper with a metal spatula
Composite dental materials are mechanically adhesive after
etching to - ANSWER-ENAMEL
,The successful obturation of the root canal is aided by -
ANSWER-Lateral condensers
A *barbed broach* is used in endodontics to - ANSWER-
Remove canal contents
Irreversible pulpitis can be treated by - ANSWER-Extraction
A mesiodens is - ANSWER-supernumery tooth
A sign of gingivitis is - ANSWER-False Pocket
The recommended concentration of fluoride in the water supply
is - ANSWER-1 ppm (part per million)
The approximate concentration in ppm of fluoride in fluoride
toothpaste recommended for adults is - ANSWER-1350-
1500ppm
The early stage of caries appears as - ANSWER-White spot
Bacterial acid attack on tooth enamel results in - ANSWER-
DEMINERALISATION
The *usual retentive component* of a removable appliance is -
ANSWER-CRIB
A natural space occurring between erupted teeth in either arch
is called - ANSWER-Diastema
It is a part of the removable appliance - ANSWER-Labial bow
A vertical overlap is called - ANSWER-OVERBITE
The purpose of an orthodontic retainer is - ANSWER-Stabilise
teeth while the bone remodels
,A patient who sucks their thumb often has - ANSWER-
Proclined incisors and an anterior *open bite*
A functional orthodontic appliance will move teeth by: -
ANSWER-Increase overbite
Proclined upper central incisors is a feature of - ANSWER-
Class II Div I
The most appropriate advice for a patient who has been
supplied with an upper removable appliance - ANSWER-
Remove it when eating
It is a part of the fixed appliance - ANSWER-Bracket
Good oral hygiene is important for those patients who? -
ANSWER-Are wearing any orthodontic appliance
Functional appliances work by using - ANSWER-Muscular
forces to move the *jaw*
Congenitally absent teeth are those which? - ANSWER-Have
been missing since birth
Instruments tha should be set out for a patient attending with a
removable orthodontic appliance are: - ANSWER-Adam's
universal and spring forming pliers
The impression material often used for denture construction is -
ANSWER-ALGINATE (irreversible hydrocolloid)
A fixed movable type of bridge is necessary in some
circumstances to allow - ANSWER-Slight movement at the
bridge joint
The inhalation or swallowing of endo instruments can be
prevented by the use of: - ANSWER-- Parachute chains
, - Rubber dam
- Floss ties around the instruments
A bridge which has retainers several teeth away from the pontic
is called a - ANSWER-Spring cantilever bridge
The instrument used to curette infected or cystic debris from a
surgical site is - ANSWER-Mitchells trimmer
An oroantral fistula is most likely to develop following the
attempted extraction of - ANSWER-Upper molar roots
The commonest post operative extraction complication is -
ANSWER-A localised *osteitis*
Critical pH is - ANSWER-5.5
Streptococcal bacteria have been indicated in causing -
ANSWER-Caries
Subgingival plaque will contain - ANSWER-- Anaerobic bacteria
- Food debris
- Dead blood cells
The natural repair of enamel is known as - ANSWER-
Remineralisation
The wear of the teeth by *grinding* is known as - ANSWER-
ATTRITION
The hard rock like substance found commonly on the lingual
surfaces of anterior teeth is known as - ANSWER-CALCULUS
Excessive consumption of fluoride can result in - ANSWER-
FLUOROSIS
