TCDHA PERIODONTICS MIDTERM 2026 PRACTICE TEST QUESTIONS AND DETAILED CLINICAL BREAKDOWN OF PERIODONTAL CARE

TCDHA PERIODONTICS MIDTERM 2026
PRACTICE TEST QUESTIONS AND DETAILED
CLINICAL BREAKDOWN OF PERIODONTAL
CARE

◉ As periodontal disease advances, bone loss results in changes in
the normal shape of the alveolar bone. The pattern of bone loss
around the root of a single tooth is consistent in depth.
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 term "relative contraindication" for periodontal surgery is
used to convey the idea that:
A. Each contraindication for periodontal surgery is dependent on all
others
B. Each contraindication is related to the patient's systemic
modifiers
C. Conditions that might make periodontal surgery inadvisable for
some patients

,D. Conditions that make periodontal surgery inadvisable for all
patients. Answer: C. Conditions that might make periodontal surgery
inadvisable for some patients


◉ All of the following are contraindications for periodontal surgery
except:
A. Patients with poor self-care
B. Patients with HIV
C. Patients with epilepsy
D. Patients on kidney dialysis. Answer: C. Patients with epilepsy


◉ Patients at high risk for dental caries are not good candidates for
periodontal surgery. Some types of surgery may result in a
relocation of the gingival margin in a more apical position in relation
to the CEJ than that before surgery.
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


◉ Patient expectations for the outcomes of periodontal surgery can
be a relative contraindication. Periodontal surgery can restore all
damage done to diseased tissue.

,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


◉ When a wound heals by forming tissue that does not restore the
original architecture of the body part, it is referred to as:
A. Healing by reattachment
B. Healing by repair
C. Healing by new attachment
D. Healing by regeneration. Answer: B. Healing by repair


◉ The union of a pathologically exposed root with connective tissue
or epithelium is called:
A. Reattachment
B. New attachment
C. Regeneration
D. Repair. Answer: B. New attachment


◉ For healing of the periodontium to be described as ___________, the
healing would have to result in the reformation of lost cementum,
lost periodontal ligament, and lost alveolar bone.

, A. Repaired
B. Regeneration
C. Reattachment
D. New attachment. Answer: B. Regeneration


◉ What kind of periodontal surgery is performed to provide access
to tooth surfaces for meticulous periodontal instrumentation?
A. Guided tissue regeneration
B. Apically positioned flap
C. Periodontal flap for access
D. Gingival curettage. Answer: C. Periodontal flap for access


◉ Tissue healing from flap surgery is healing by ___________ and
results in formation of a _____________.
A. Repair, long junctional epithelium
B. Regeneration, healthy sulcular epithelium
C. Reattachment, new junctional epithelium
D. New attachment, healthy connective tissue. Answer: A. Repair,
long junctional epithelium


◉ If flap surgery is planned as part of a patient's periodontal
therapy, there is no need to perform nonsurgical therapy