TESTED | TEMPOROMANDIBULAR DISORDERS (TMD) | 100% CORRECT ANSWERS &
RATIONALES | 100 REAL QUESTIONS | PASS GUARANTEED - GRADED A+
SECTION 1: CLASSIFICATION AND EPIDEMIOLOGY OF TMD
Questions 1-15
Q1. According to the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD), the major categories
of TMD include:
A) Myalgia, arthralgia, and disc displacement disorders
B) Only myalgia
C) Only arthralgia
D) Only disc displacement disorders
Answer: A) Myalgia, arthralgia, and disc displacement disorders
Rationale: The DC/TMD classifies TMD into three major categories: muscle disorders (myalgia, myofascial
pain), joint disorders (arthralgia, arthritis), and disc displacement disorders.
Q2. The most common type of TMD is:
A) Disc displacement without reduction
B) Myofascial pain
C) Osteoarthritis
D) Arthralgia
, OROFACIAL 2 FINAL EXAM ACTUAL EXAM 2026/2027 | EXPERT VERIFIED | MOST
TESTED | TEMPOROMANDIBULAR DISORDERS (TMD) | 100% CORRECT ANSWERS &
RATIONALES | 100 REAL QUESTIONS | PASS GUARANTEED - GRADED A+
Answer: B) Myofascial pain
Rationale: Myofascial pain (muscle-related TMD) is the most common form of TMD, affecting the majority of
patients seeking treatment.
Q3. The prevalence of TMD in the general population is approximately:
A) 1-2%
B) 5-12%
C) 25-30%
D) 50-60%
Answer: B) 5-12%
Rationale: TMD affects approximately 5-12% of the general population, with a higher prevalence in women
(2:1 to 3:1 ratio).
Q4. Which gender is more commonly affected by TMD?
A) Men
B) Women
C) Equal in both genders
, OROFACIAL 2 FINAL EXAM ACTUAL EXAM 2026/2027 | EXPERT VERIFIED | MOST
TESTED | TEMPOROMANDIBULAR DISORDERS (TMD) | 100% CORRECT ANSWERS &
RATIONALES | 100 REAL QUESTIONS | PASS GUARANTEED - GRADED A+
D) Children
Answer: B) Women
Rationale: Women are affected by TMD 2-3 times more frequently than men, particularly during reproductive
years.
Q5. The peak age of onset for TMD is:
A) 10-20 years
B) 20-40 years
C) 50-70 years
D) Over 70 years
Answer: B) 20-40 years
Rationale: TMD most commonly presents in young to middle-aged adults (20-40 years), with a peak in the
third decade.
Q6. Which of the following is a risk factor for developing TMD?
A) Female gender
B) Anxiety and depression
, OROFACIAL 2 FINAL EXAM ACTUAL EXAM 2026/2027 | EXPERT VERIFIED | MOST
TESTED | TEMPOROMANDIBULAR DISORDERS (TMD) | 100% CORRECT ANSWERS &
RATIONALES | 100 REAL QUESTIONS | PASS GUARANTEED - GRADED A+
C) Sleep disturbance
D) All of the above
Answer: D) All of the above
Rationale: Female gender, psychological comorbidities (anxiety, depression), sleep disorders, and
parafunctional habits are risk factors for TMD.
Q7. The biopsychosocial model of TMD emphasizes:
A) Only biological factors
B) Only psychological factors
C) Only social factors
D) The interaction of biological, psychological, and social factors
Answer: D) The interaction of biological, psychological, and social factors
Rationale: The biopsychosocial model recognizes that TMD is a complex interaction of biological (structural),
psychological (stress, coping), and social factors.
Q8. The DC/TMD includes which two axes?
A) Axis I (physical diagnosis) and Axis II (psychosocial assessment)