TCDHA Periodontics Midterm Exam Newest
2026 Questions and Correct Detailed Answers
Already Graded A+
Which of the following structures is not part of the periodontium - CORRECT
ANSWER-Periodontal abcess
The thin bone layer that lines the tooth socket is known as the cancellous bone.
Cementum does not receive its nutrients from the periodontal ligament -
CORRECT ANSWER-Both statements are false
Which of the following tissues serves as a covering tissue for the outer services of
the body and a lining tissue for body cavities (mouth, stomach, intestines)? -
CORRECT ANSWER-Epithelial tissue
A cell junction that connects an epithelial basal cell to the basal lamina is termed -
CORRECT ANSWER-Hemidesmosome
Client presents with a healthy periodontium. The dental hygienist microscopically
identifies the interface of the junctional epithelium with the gingival connective
tissue as having a - CORRECT ANSWER-Smooth interface
,Which of the following is NOT a connective tissue? - CORRECT ANSWER-
External layer of skin
In _______ of all cases, cementum overlaps enamel - CORRECT ANSWER-60%
All of the following statements are true except one. Which one is the EXCEPTION?
- CORRECT ANSWER-1-3mm of recession is usually common in marginal
gingivitis
Each of the following is a common response to successful periodontal
debridement except one. Which one is the EXCEPTION? - CORRECT ANSWER-
Formation of new alveolar bone
characteristics of chronic periodontitis except one. Which one is the EXCEPTION? -
CORRECT ANSWER-The amount of dental biofilm is disproportionate to the
amount of tissue destruction
The severity of periodontal disease is most accurately measured over time by -
CORRECT ANSWER-Clinical attachment loss
, Mrs. Jones presents with pink gingiva, no recession, and minimal plaque biofilm.
The dental hygienist using only a mouth mirror confirms that the periodontium is
healthy. Is this an accurate dental hygiene diagnosis? - CORRECT ANSWER-No,
because it is impossible to tell the state of the periodontium with just a visual
inspection
Continued apical migration of the junctional epithelium indicates - CORRECT
ANSWER-Site of active disease
which is not a function of the periodontal ligament? - CORRECT ANSWER-
Stimulates formation of secondary dentin
Which of the following is NOT a function of the supragingival fiber bundles -
CORRECT ANSWER-Connect adjacent teeth to one another
Increased probing depth of a gingival pocket is the result of which of the
following? - CORRECT ANSWER-Enlarged tissue
The ends of the periodontal ligament fibers that embed in bone and cementum
are known as - CORRECT ANSWER-sharpeys fibers
2026 Questions and Correct Detailed Answers
Already Graded A+
Which of the following structures is not part of the periodontium - CORRECT
ANSWER-Periodontal abcess
The thin bone layer that lines the tooth socket is known as the cancellous bone.
Cementum does not receive its nutrients from the periodontal ligament -
CORRECT ANSWER-Both statements are false
Which of the following tissues serves as a covering tissue for the outer services of
the body and a lining tissue for body cavities (mouth, stomach, intestines)? -
CORRECT ANSWER-Epithelial tissue
A cell junction that connects an epithelial basal cell to the basal lamina is termed -
CORRECT ANSWER-Hemidesmosome
Client presents with a healthy periodontium. The dental hygienist microscopically
identifies the interface of the junctional epithelium with the gingival connective
tissue as having a - CORRECT ANSWER-Smooth interface
,Which of the following is NOT a connective tissue? - CORRECT ANSWER-
External layer of skin
In _______ of all cases, cementum overlaps enamel - CORRECT ANSWER-60%
All of the following statements are true except one. Which one is the EXCEPTION?
- CORRECT ANSWER-1-3mm of recession is usually common in marginal
gingivitis
Each of the following is a common response to successful periodontal
debridement except one. Which one is the EXCEPTION? - CORRECT ANSWER-
Formation of new alveolar bone
characteristics of chronic periodontitis except one. Which one is the EXCEPTION? -
CORRECT ANSWER-The amount of dental biofilm is disproportionate to the
amount of tissue destruction
The severity of periodontal disease is most accurately measured over time by -
CORRECT ANSWER-Clinical attachment loss
, Mrs. Jones presents with pink gingiva, no recession, and minimal plaque biofilm.
The dental hygienist using only a mouth mirror confirms that the periodontium is
healthy. Is this an accurate dental hygiene diagnosis? - CORRECT ANSWER-No,
because it is impossible to tell the state of the periodontium with just a visual
inspection
Continued apical migration of the junctional epithelium indicates - CORRECT
ANSWER-Site of active disease
which is not a function of the periodontal ligament? - CORRECT ANSWER-
Stimulates formation of secondary dentin
Which of the following is NOT a function of the supragingival fiber bundles -
CORRECT ANSWER-Connect adjacent teeth to one another
Increased probing depth of a gingival pocket is the result of which of the
following? - CORRECT ANSWER-Enlarged tissue
The ends of the periodontal ligament fibers that embed in bone and cementum
are known as - CORRECT ANSWER-sharpeys fibers
