DENTAL ASSISTING NATIONAL BOARD
PRACTICE SOLUTION 2026 QUESTIONS WITH
ANSWERS GRADED A+
◉ A person practices Dental Hygiene when... Answer: They remove
accumulated matter, tartar, or deposits.
Smooth roughened root surfaces.
◉ A dental assistant may administer nitrous oxide / oxygen
inhalation conscious sedation if they have a certificate to do so. True
or False? Answer: False
They can only monitor nitrous oxide / oxygen in Texas.
◉ Short needles are used for... Answer: Administering anesthesia for
infiltration injection on maxillary arch.
Up top
◉ Long needles are used for... Answer: Administering anesthesia for
block injection on mandibular arch.
Down below
◉ Contra / Right angle attachment for slow speed hand-piece is
used... Answer: With burs for intraoral procedures such as:
,Removal of decay
Refining cavity preparation
Adjusting occlusal restorations
Polish amalgam restorations
Adjusting crowns, bridges, partials, and dentures
◉ High-Speed Handpiecs are used... Answer: With a bur to cut tooth
with decay or other dental anomalies
(I.e. initial cavity preparation for restoration or crown)
◉ Hemostat Answer: Grasps tissue or bone fragments
◉ The Upper Right quadrant contains which teeth? Answer: 1 (third
molar) - 8 (central incisor)
◉ The Upper Left quadrant contains which teeth? Answer: 9 (central
incisor) - 16 (third molar)
◉ The Lower Left quadrant contains which teeth? Answer: 17 (third
molar) - 24 (central incisor)
◉ The Lower Right quadrant contains which teeth? Answer: 25
(central incisor) - 32 (third molar)
, ◉ Sealants are most commonly placed on which teeth? Answer: First
Molars
UR #3
UL #14
LL #19
LR #30
◉ Class I Decay Answer: Decay in pits and fissures of occlusal
surface of molars and premolars, buccal or lingual pits of molars,
and lingual pits of maxillary incisors.
◉ Class II Decay Answer: Decay on the proximal (medial / distal)
surfaces of molars / premolars.
Restoration includes occlusal surfaces and involves proximal
surfaces.
If extensive, a gold / porcelain inlay, onlay, or crown may be used.
Posterior teeth.
◉ Class III Decay Answer: Decay on proximal (medial / distal)
surface of incisors / canines (aka bicuspids / premolars)
Anterior teeth.
Composite resins used for aesthetics.
PRACTICE SOLUTION 2026 QUESTIONS WITH
ANSWERS GRADED A+
◉ A person practices Dental Hygiene when... Answer: They remove
accumulated matter, tartar, or deposits.
Smooth roughened root surfaces.
◉ A dental assistant may administer nitrous oxide / oxygen
inhalation conscious sedation if they have a certificate to do so. True
or False? Answer: False
They can only monitor nitrous oxide / oxygen in Texas.
◉ Short needles are used for... Answer: Administering anesthesia for
infiltration injection on maxillary arch.
Up top
◉ Long needles are used for... Answer: Administering anesthesia for
block injection on mandibular arch.
Down below
◉ Contra / Right angle attachment for slow speed hand-piece is
used... Answer: With burs for intraoral procedures such as:
,Removal of decay
Refining cavity preparation
Adjusting occlusal restorations
Polish amalgam restorations
Adjusting crowns, bridges, partials, and dentures
◉ High-Speed Handpiecs are used... Answer: With a bur to cut tooth
with decay or other dental anomalies
(I.e. initial cavity preparation for restoration or crown)
◉ Hemostat Answer: Grasps tissue or bone fragments
◉ The Upper Right quadrant contains which teeth? Answer: 1 (third
molar) - 8 (central incisor)
◉ The Upper Left quadrant contains which teeth? Answer: 9 (central
incisor) - 16 (third molar)
◉ The Lower Left quadrant contains which teeth? Answer: 17 (third
molar) - 24 (central incisor)
◉ The Lower Right quadrant contains which teeth? Answer: 25
(central incisor) - 32 (third molar)
, ◉ Sealants are most commonly placed on which teeth? Answer: First
Molars
UR #3
UL #14
LL #19
LR #30
◉ Class I Decay Answer: Decay in pits and fissures of occlusal
surface of molars and premolars, buccal or lingual pits of molars,
and lingual pits of maxillary incisors.
◉ Class II Decay Answer: Decay on the proximal (medial / distal)
surfaces of molars / premolars.
Restoration includes occlusal surfaces and involves proximal
surfaces.
If extensive, a gold / porcelain inlay, onlay, or crown may be used.
Posterior teeth.
◉ Class III Decay Answer: Decay on proximal (medial / distal)
surface of incisors / canines (aka bicuspids / premolars)
Anterior teeth.
Composite resins used for aesthetics.
