TCDHA PERIODONTICS MIDTERM 2026
REVISION NOTES AND STRUCTURED DENTAL
HYGIENE OVERVIEW GUIDE
◉ When bone is grafted from one area of the patients jaw to another,
the graft is termed:
A. An autograft
B. An allograph. Answer: A. An autograft
◉ Bone grafting can result in rebuilding some bone lost because of
disease. Reformed bone is actually attached to the cementum by
periodontal ligament fibers.
A. Both statements are true
B. Both statements are false
C. The first statement is true, the second is false
D. The first statement is false, the second is true. Answer: C. The first
statement is true, the second is false
◉ The site of a bone replacement graft should be left undisturbed
what length of time?
A. Hours
B. Days
,C. Weeks
D. Months. Answer: D. Months
◉ How soon should bone graft site be probed?
A. 2 weeks
B. 1 month
C. 3 months
D. When the periodontist determines it is safe. Answer: D. When the
periodontist determines it is safe
◉ Bone taken and harvested from a cadaver is termed:
A. An autograft
B. An allograft
C. A xenograft
D. An alloplast. Answer: B. An allograft
◉ The main goal of guided tissue regeneration is to:
A. Regenerate lost alveolar bone
B. Regrow lost cementum
C. A and B
D. None of the above. Answer: C. A and B
,◉ Which of the following is placed during guided tissue
regeneration to control the rapid growth of epithelium into the
wound?
A. Sutures
B. Bone graft
C. Barrier material
D. Periodontal dressing. Answer: C. Barrier material
◉ A special consideration after apically positioned flap surgery is
that:
A. A portion of the root can be exposed
B. Aesthetics may be a concern for the patient
C. The patient may experience dentinal hypersensitivity
D. All of the above. Answer: D. All of the above
◉ What type of surgery repairs soft tissue defects?
A. Mucogingival surgery
B. Periodontal plastic surgery
C. Soft tissue graft
D. All of the above. Answer: D. All of the above
, ◉ A connective tissue graft involves harvesting donor connective
tissue from the palate. A free gingival graft involves harvesting a
donor section of tissue, usually from the palate.
A. Both statements are true
B. Both statements are false
C. The first statement is true, the second is false
D. The first statement is false, the second is true. Answer: A. Both
statements are true
◉ What surgery is performed to give the general dentist better
access to restore a tooth with a crown?
A. Periodontal plastic surgery
B. Crown lengthening surgery
C. Mucogingival surgery
D. Gingivectomy. Answer: B. Crown lengthening surgery
◉ After a dental implant heals, it is surrounded by cementum and
periodontal ligament like a natural tooth. Implants are resistant to
periodontal disease, so they will not lose supporting bone in the
same manner as natural teeth.
A. Both statements are true
B. Both statements are false
C. The first statement is true, the second is false
REVISION NOTES AND STRUCTURED DENTAL
HYGIENE OVERVIEW GUIDE
◉ When bone is grafted from one area of the patients jaw to another,
the graft is termed:
A. An autograft
B. An allograph. Answer: A. An autograft
◉ Bone grafting can result in rebuilding some bone lost because of
disease. Reformed bone is actually attached to the cementum by
periodontal ligament fibers.
A. Both statements are true
B. Both statements are false
C. The first statement is true, the second is false
D. The first statement is false, the second is true. Answer: C. The first
statement is true, the second is false
◉ The site of a bone replacement graft should be left undisturbed
what length of time?
A. Hours
B. Days
,C. Weeks
D. Months. Answer: D. Months
◉ How soon should bone graft site be probed?
A. 2 weeks
B. 1 month
C. 3 months
D. When the periodontist determines it is safe. Answer: D. When the
periodontist determines it is safe
◉ Bone taken and harvested from a cadaver is termed:
A. An autograft
B. An allograft
C. A xenograft
D. An alloplast. Answer: B. An allograft
◉ The main goal of guided tissue regeneration is to:
A. Regenerate lost alveolar bone
B. Regrow lost cementum
C. A and B
D. None of the above. Answer: C. A and B
,◉ Which of the following is placed during guided tissue
regeneration to control the rapid growth of epithelium into the
wound?
A. Sutures
B. Bone graft
C. Barrier material
D. Periodontal dressing. Answer: C. Barrier material
◉ A special consideration after apically positioned flap surgery is
that:
A. A portion of the root can be exposed
B. Aesthetics may be a concern for the patient
C. The patient may experience dentinal hypersensitivity
D. All of the above. Answer: D. All of the above
◉ What type of surgery repairs soft tissue defects?
A. Mucogingival surgery
B. Periodontal plastic surgery
C. Soft tissue graft
D. All of the above. Answer: D. All of the above
, ◉ A connective tissue graft involves harvesting donor connective
tissue from the palate. A free gingival graft involves harvesting a
donor section of tissue, usually from the palate.
A. Both statements are true
B. Both statements are false
C. The first statement is true, the second is false
D. The first statement is false, the second is true. Answer: A. Both
statements are true
◉ What surgery is performed to give the general dentist better
access to restore a tooth with a crown?
A. Periodontal plastic surgery
B. Crown lengthening surgery
C. Mucogingival surgery
D. Gingivectomy. Answer: B. Crown lengthening surgery
◉ After a dental implant heals, it is surrounded by cementum and
periodontal ligament like a natural tooth. Implants are resistant to
periodontal disease, so they will not lose supporting bone in the
same manner as natural teeth.
A. Both statements are true
B. Both statements are false
C. The first statement is true, the second is false
