1
NATIONAL BOARDS DENTAL HYGIENE EXAM NEWLY
FORMATTED STUDY GUIDE WITH ACTUAL 2025/26 EXAM
Sharpey's fibers connect periosteum to bone
What fibers of the Oblique fibers
PDL are the most
prominent?
v shaped loss of
gingiva. Due to bad
Stillman's cleft
flossing habits
innertube shaped
swelling at the
McCall's festoon
marginal gingiva
Drug induced Dilantin (Phenytoin)
Procardia
gingival
(Nifedipine)
hyperplasia
Cyclosporin
(immunosuppressan
t)
loss of alveolar bone
oval shaped root
dihiscence
exposure apical to CEJ
a window-like opening in the bone
covering the root of a
Fenestration
tooth bordered by
,2
alveolar bone on the
coronal
aspect of the tooth.
Bacteria shape cocci shaped, aerobic
present in early
plaque formation
Bacteria shape in baccilli, anaerobic
periodontal disease
Bacteria shape spirochetes
present in
NUG/NUP
periodontal bacteria aerobic, cocci, gram +
in health
, 3
Periodontal bacteria anaerobic, baccilli, gram -
in diease
P. Gingivalis
Names of the F. Nucletum
bacteria that cause T. Forsythia
periodontal A. Actinomycetescomatins
disease
P. Gingivalis
T. Dentacolo
Bacteria responsible P.
for NUG
Intermedian
Fusobactriu
m
S. Mutans
Bacteria responsible Lactobacillus
for caries S. Sobrinus
What bacteria is A. Actinomycetescomatins
most commonly
associated with
aggressive
periodontitis
Is plankton plaque non adherent
adherent or non
adherent?
how do endotoxins Stimulate osteoclast
contribute to
tissue destruction?
periodontal disease apical migration of the junctional epithelium
CAL measures
attachment loss
CEJ to base of
NATIONAL BOARDS DENTAL HYGIENE EXAM NEWLY
FORMATTED STUDY GUIDE WITH ACTUAL 2025/26 EXAM
Sharpey's fibers connect periosteum to bone
What fibers of the Oblique fibers
PDL are the most
prominent?
v shaped loss of
gingiva. Due to bad
Stillman's cleft
flossing habits
innertube shaped
swelling at the
McCall's festoon
marginal gingiva
Drug induced Dilantin (Phenytoin)
Procardia
gingival
(Nifedipine)
hyperplasia
Cyclosporin
(immunosuppressan
t)
loss of alveolar bone
oval shaped root
dihiscence
exposure apical to CEJ
a window-like opening in the bone
covering the root of a
Fenestration
tooth bordered by
,2
alveolar bone on the
coronal
aspect of the tooth.
Bacteria shape cocci shaped, aerobic
present in early
plaque formation
Bacteria shape in baccilli, anaerobic
periodontal disease
Bacteria shape spirochetes
present in
NUG/NUP
periodontal bacteria aerobic, cocci, gram +
in health
, 3
Periodontal bacteria anaerobic, baccilli, gram -
in diease
P. Gingivalis
Names of the F. Nucletum
bacteria that cause T. Forsythia
periodontal A. Actinomycetescomatins
disease
P. Gingivalis
T. Dentacolo
Bacteria responsible P.
for NUG
Intermedian
Fusobactriu
m
S. Mutans
Bacteria responsible Lactobacillus
for caries S. Sobrinus
What bacteria is A. Actinomycetescomatins
most commonly
associated with
aggressive
periodontitis
Is plankton plaque non adherent
adherent or non
adherent?
how do endotoxins Stimulate osteoclast
contribute to
tissue destruction?
periodontal disease apical migration of the junctional epithelium
CAL measures
attachment loss
CEJ to base of
