Practice NBDHE Exam Questions
and Answers 100% Pass
Each of the following oral microorganisms could colonizesoft tissue EXCEPT
one. Which one is this EXCEPTION?
-Streptococcus mutans
-Neisseria sicca
-Candida albicans
-Streprococcus salivarius - ANSWER-Streptococcus mutans
The virus responsible for which of the following diseasesis the MOST resistant to
chemical and physicalagents?
-AIDS
-Measles
-Hepatitis - ANSWER-Hepatitis
Root hypersensitivity diminishes as the tooth formswhich of the following?
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,-Mantle dentin
-Acellular cementum
-Secondary dentin
-Cellular cementum - ANSWER-Cellular cementum
A 21-year-old woman, who is in her third trimester ofpregnancy, has a pyogenic
granuloma (3 nun in diameter)between her maxillary left lateral incisor and .canine.
After offering oral hygiene instructions,which of the following should be the
NEXT step?
-Reappoint the patient for a prophylaxis one month
-Perform an oral prophylaxis
-Allow hormonal influences to subside, and then reappoint the patient for a
prophylaxis after childbirth
-Suggest that the patient see a periodontist - ANSWER-Perform an oral
prophylaxis
Which of the following nerves supplies the intrinsicmuscles of the tongue?
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,-Vagus
-Facial
-Hypoglossal
-Lingual - ANSWER-Hypoglossal
Curets can be hand-sharpened on a flat stone. Thisprocess becomes the MOST
effective when the faceof the curet meets the stone at an angle of
-100-110"
-45-60"
-70-80"
-80-90"
-120-130" - ANSWER-100-110"
Periodontal disease is considered to be controlled when
-no bleeding on probing is present
-calculus and plaque have been removed
-the gingival tissue height approximates the cementoenamel junction
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, -no pockets are deeper than 3 mm
-the gingival tissue is firm, pink and stippled - ANSWER-no bleeding on probing is
present
Which of the following tissues and organs are the MOST radioresistant?
-Reproductive organs
-Glands
-Nerves
-Skin - ANSWER-Nerves
Superficial lymphatic vessels of the breast drain primarilyinto which of the
following nodes?
-Substernal
-Cervical
-Axillary
-Subclavicular
-Supraclavicular - ANSWER-Axillary
Primarily, systemic fluorides protect the teeth bywhich of the following actions?
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and Answers 100% Pass
Each of the following oral microorganisms could colonizesoft tissue EXCEPT
one. Which one is this EXCEPTION?
-Streptococcus mutans
-Neisseria sicca
-Candida albicans
-Streprococcus salivarius - ANSWER-Streptococcus mutans
The virus responsible for which of the following diseasesis the MOST resistant to
chemical and physicalagents?
-AIDS
-Measles
-Hepatitis - ANSWER-Hepatitis
Root hypersensitivity diminishes as the tooth formswhich of the following?
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 1
,-Mantle dentin
-Acellular cementum
-Secondary dentin
-Cellular cementum - ANSWER-Cellular cementum
A 21-year-old woman, who is in her third trimester ofpregnancy, has a pyogenic
granuloma (3 nun in diameter)between her maxillary left lateral incisor and .canine.
After offering oral hygiene instructions,which of the following should be the
NEXT step?
-Reappoint the patient for a prophylaxis one month
-Perform an oral prophylaxis
-Allow hormonal influences to subside, and then reappoint the patient for a
prophylaxis after childbirth
-Suggest that the patient see a periodontist - ANSWER-Perform an oral
prophylaxis
Which of the following nerves supplies the intrinsicmuscles of the tongue?
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 2
,-Vagus
-Facial
-Hypoglossal
-Lingual - ANSWER-Hypoglossal
Curets can be hand-sharpened on a flat stone. Thisprocess becomes the MOST
effective when the faceof the curet meets the stone at an angle of
-100-110"
-45-60"
-70-80"
-80-90"
-120-130" - ANSWER-100-110"
Periodontal disease is considered to be controlled when
-no bleeding on probing is present
-calculus and plaque have been removed
-the gingival tissue height approximates the cementoenamel junction
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, -no pockets are deeper than 3 mm
-the gingival tissue is firm, pink and stippled - ANSWER-no bleeding on probing is
present
Which of the following tissues and organs are the MOST radioresistant?
-Reproductive organs
-Glands
-Nerves
-Skin - ANSWER-Nerves
Superficial lymphatic vessels of the breast drain primarilyinto which of the
following nodes?
-Substernal
-Cervical
-Axillary
-Subclavicular
-Supraclavicular - ANSWER-Axillary
Primarily, systemic fluorides protect the teeth bywhich of the following actions?
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