NBDHE EXAM VERSION 1 NEWEST
2025/2026 COMPLETE 180 QUESTIONS
AND CORRECT ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND
NEW VERSION!!
a cyst is - . . ANSWER ✔ ✔an abnormal pathologic sac
a cavity lined by epithelial tissue
enclosed by connective tissue
diagnosed on the basis of histologic appearance and
location
in which layer of the epidermis are cells undergoing
mitosis most likely to be seen? - . . ANSWER ✔ ✔stratum
basal
hypersensitivity of the dentinal surface to external stimuli
is caused by... - . . ANSWER ✔ ✔fluid movement within
the tubules that transmit signals to the nerves in the pulp
chamber
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which tissues have nerve innervations? - . . ANSWER ✔
✔pulp
periodontal ligament
because of the proximity of odontoblastic cell bodies to the
nerve terminal endings in the tooth, clinical exposure of
dentin may result in sensitivity. what is the location of
odontoblastic bodies? - . . ANSWER ✔ ✔pulp
tooth structure loss that occurs from pathologic wear of
teeth by foreign substance is called - . . ANSWER ✔
✔abrasion
the cres of the alveolar bone is usually apical to the
cemento-enamel junction by.. - . . ANSWER ✔ ✔0.75 to
1.49 mm
how do cysts show up radiographically - . . ANSWER ✔
✔with a well defined border
how do soft tissues cysts show up radiographically - . .
ANSWER ✔ ✔they do not show up on radiographs
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the tissue lining of an unhealthy gingival sulcus consists of
- . . ANSWER ✔ ✔nonkeratinized epithelium with rete
pegs
the bottom of the gingival sulcus is marked by the.. - . .
ANSWER ✔ ✔junctional epithelium
which tissues have little or no keratinization? - . .
ANSWER ✔ ✔sulcular epithelium
what does bleeding caused by probing indicate? - . .
ANSWER ✔ ✔ulceration of crevicular epithelium
which tissue changes result in erythematous gingiva - . .
ANSWER ✔ ✔increased vascularization of the underlying
vascular connective tissue
what type of connective tissue underlies the epithelium of
the gingival? - . . ANSWER ✔ ✔fibrous which gives it its
firm consistency
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in gingivitis, poor tissue tone is caused by - . . ANSWER ✔
✔destruction of collagen fibers
definitive diagnosis of furcation involvement is made by - .
. ANSWER ✔ ✔clinical probing because it cant always be
seen in radiographs
enamel projections of the root surface are attributed to the
differentiation of - . . ANSWER ✔ ✔hertwig's epithelial
root sheath
hertwig's epithelial root sheath is derived from the - . .
ANSWER ✔ ✔reduced enamel epithelium
hertwing's epithelial root sheath is entirely composed of - .
. ANSWER ✔ ✔inner and outer enamel epithelium
when is root formation completed? - . . ANSWER ✔ ✔1-4
years after eruption