Dental Sleep Medicine ABDSM Exam Prep Test
Bank Latest 2026-2027 with 400+ Questions and
Correct Verified Answers/ Latest Dental Sleep
Medicine Exam Prep Test Bank
Standard AADSM protocol for post-delivery follow-up of the oral appliance
involves:
A) A phone call within two weeks of delivery to the patient
B) An office visit within two weeks of delivery
C) An office visit within one month of delivery
D) A HSAT or pulse oximetry recording acquired within 90 days
-ANSWER- C) An office visit within one month of delivery
In the pathophysiology of sleep apnea, airway patency and stability is promoted by
which factor?
A) Increased lung volume
B) Shorter mandible
C) Increased parapharyngeal fat deposition
D) Negative inspiratory pressure
E) Reduced pharyngeal muscle dilator activity
-ANSWER- A) Increased lung volume
Oral appliance therapy commonly provides successful sole therapy for which of
the following sleep-related breathing disorders?
A) Primary central sleep apnea
B) Cheyne-Stokes periodic breathing
C) Obesity hypoventilation
D) Overlap syndrome (OSA and COPD)
E) None of the above
-ANSWER- E) None of the above
Which of the following is the most appropriate management for a patient with
OSA who develops significant dental mobility while using an OAT?
A) Reduce advancement
1
,B) Add a periodontal splint
C) Discontinue OAT and consider alternative therapy
D) Increase vertical dimension to reduce forces
-ANSWER- C) Discontinue OAT and consider alternative therapy
Which of the following is the most significant predictor of cardiovascular mortality
in patients with untreated OSA?
A) Baseline AHI
B) Mean nocturnal oxygen saturation
C) Time spent with SpO₂ <90%
D) Epworth Sleepiness Score
-ANSWER- C) Time spent with SpO₂ <90%
Which of the following is the most appropriate use of a home sleep apnea test?
A) Diagnosis of central sleep apnea
B) Diagnosis of OSA in a patient with high pretest probability and no significant
comorbidities
C) Titration of CPAP
D) Diagnosis of parasomnias
-ANSWER- B) Diagnosis of OSA in a patient with high pretest probability and no
significant comorbidities
Which of the following is the most common finding on polysomnography in
patients with REM-related OSA?
A) AHI is higher in REM than NREM
B) AHI is higher in NREM than REM
C) Predominantly central apneas
D) No oxygen desaturation
-ANSWER- A) AHI is higher in REM than NREM
A 70-year-old patient with moderate OSA and mild cognitive impairment is started
on OAT. Which of the following is the most appropriate follow-up?
A) Repeat cognitive testing at 6 months
B) HSAT at 3 months to confirm efficacy
C) Annual PSG
D) No specific follow-up needed if asymptomatic
-ANSWER- B) HSAT at 3 months to confirm efficacy
Which of the following is the most common complication of long-term CPAP use?
A) Aerophagia
2
,B) Central apnea
C) Pneumothorax
D) Chronic rhinitis
-ANSWER- A) Aerophagia
Which of the following is the most important factor when deciding between CPAP
and OAT for a patient with mild-to-moderate OSA?
A) Patient preference and adherence likelihood
B) Baseline AHI
C) Oxygen nadir
D) Severity of snoring
-ANSWER- A) Patient preference and adherence likelihood
Which of the following is the most appropriate treatment for a patient with OSA
and poorly controlled asthma?
A) OAT alone
B) CPAP with heated humidification
C) Leukotriene receptor antagonist alone
D) Nasal surgery
-ANSWER- B) CPAP with heated humidification
A patient with OSA on OAT reports progressive difficulty opening his mouth fully
in the morning. This symptom typically resolves within:
A) Minutes to hours
B) 1-2 days
C) 1-2 weeks
D) It is permanent
-ANSWER- A) Minutes to hours
Which of the following is the most common sleep-related breathing disorder in
patients with chronic heart failure?
A) Obstructive sleep apnea
B) Central sleep apnea with Cheyne-Stokes respiration
C) Obesity hypoventilation syndrome
D) Sleep-related hypoxemia
-ANSWER- B) Central sleep apnea with Cheyne-Stokes respiration
Which of the following is the most appropriate screening test for OSA in a
bariatric surgery candidate?
A) STOP-BANG questionnaire
3
, B) Epworth Sleepiness Scale
C) Berlin questionnaire
D) Overnight oximetry
-ANSWER- A) STOP-BANG questionnaire
Which of the following is the most effective intervention to reduce the risk of
motor vehicle accidents in patients with untreated OSA?
A) CPAP therapy
B) OAT
C) Modafinil
D) Caffeine
-ANSWER- A) CPAP therapy
Which of the following is the most common cause of OAT failure in the first year
of use?
A) Ineffective reduction of AHI
B) Side effects such as TMJ pain or tooth discomfort
C) Cost of the device
D) Lack of improvement in sleepiness
-ANSWER- B) Side effects such as TMJ pain or tooth discomfort
Which of the following is the most appropriate next step when a patient with OSA
on OAT has a repeat sleep study showing an AHI of 18 (baseline 25)?
A) Accept the result as clinically successful
B) Advance the mandible further and repeat testing
C) Add CPAP combination therapy
D) Switch to a different OAT device
-ANSWER- B) Advance the mandible further and repeat testing
Which of the following is the most common anatomical variant associated with
OSA in children?
A) Adenotonsillar hypertrophy
B) Micrognathia
C) Macroglossia
D) Nasal polyps
-ANSWER- A) Adenotonsillar hypertrophy
Which of the following is the most appropriate treatment for a child with moderate
OSA who has adenotonsillar hypertrophy and is not a surgical candidate?
A) OAT
4
Bank Latest 2026-2027 with 400+ Questions and
Correct Verified Answers/ Latest Dental Sleep
Medicine Exam Prep Test Bank
Standard AADSM protocol for post-delivery follow-up of the oral appliance
involves:
A) A phone call within two weeks of delivery to the patient
B) An office visit within two weeks of delivery
C) An office visit within one month of delivery
D) A HSAT or pulse oximetry recording acquired within 90 days
-ANSWER- C) An office visit within one month of delivery
In the pathophysiology of sleep apnea, airway patency and stability is promoted by
which factor?
A) Increased lung volume
B) Shorter mandible
C) Increased parapharyngeal fat deposition
D) Negative inspiratory pressure
E) Reduced pharyngeal muscle dilator activity
-ANSWER- A) Increased lung volume
Oral appliance therapy commonly provides successful sole therapy for which of
the following sleep-related breathing disorders?
A) Primary central sleep apnea
B) Cheyne-Stokes periodic breathing
C) Obesity hypoventilation
D) Overlap syndrome (OSA and COPD)
E) None of the above
-ANSWER- E) None of the above
Which of the following is the most appropriate management for a patient with
OSA who develops significant dental mobility while using an OAT?
A) Reduce advancement
1
,B) Add a periodontal splint
C) Discontinue OAT and consider alternative therapy
D) Increase vertical dimension to reduce forces
-ANSWER- C) Discontinue OAT and consider alternative therapy
Which of the following is the most significant predictor of cardiovascular mortality
in patients with untreated OSA?
A) Baseline AHI
B) Mean nocturnal oxygen saturation
C) Time spent with SpO₂ <90%
D) Epworth Sleepiness Score
-ANSWER- C) Time spent with SpO₂ <90%
Which of the following is the most appropriate use of a home sleep apnea test?
A) Diagnosis of central sleep apnea
B) Diagnosis of OSA in a patient with high pretest probability and no significant
comorbidities
C) Titration of CPAP
D) Diagnosis of parasomnias
-ANSWER- B) Diagnosis of OSA in a patient with high pretest probability and no
significant comorbidities
Which of the following is the most common finding on polysomnography in
patients with REM-related OSA?
A) AHI is higher in REM than NREM
B) AHI is higher in NREM than REM
C) Predominantly central apneas
D) No oxygen desaturation
-ANSWER- A) AHI is higher in REM than NREM
A 70-year-old patient with moderate OSA and mild cognitive impairment is started
on OAT. Which of the following is the most appropriate follow-up?
A) Repeat cognitive testing at 6 months
B) HSAT at 3 months to confirm efficacy
C) Annual PSG
D) No specific follow-up needed if asymptomatic
-ANSWER- B) HSAT at 3 months to confirm efficacy
Which of the following is the most common complication of long-term CPAP use?
A) Aerophagia
2
,B) Central apnea
C) Pneumothorax
D) Chronic rhinitis
-ANSWER- A) Aerophagia
Which of the following is the most important factor when deciding between CPAP
and OAT for a patient with mild-to-moderate OSA?
A) Patient preference and adherence likelihood
B) Baseline AHI
C) Oxygen nadir
D) Severity of snoring
-ANSWER- A) Patient preference and adherence likelihood
Which of the following is the most appropriate treatment for a patient with OSA
and poorly controlled asthma?
A) OAT alone
B) CPAP with heated humidification
C) Leukotriene receptor antagonist alone
D) Nasal surgery
-ANSWER- B) CPAP with heated humidification
A patient with OSA on OAT reports progressive difficulty opening his mouth fully
in the morning. This symptom typically resolves within:
A) Minutes to hours
B) 1-2 days
C) 1-2 weeks
D) It is permanent
-ANSWER- A) Minutes to hours
Which of the following is the most common sleep-related breathing disorder in
patients with chronic heart failure?
A) Obstructive sleep apnea
B) Central sleep apnea with Cheyne-Stokes respiration
C) Obesity hypoventilation syndrome
D) Sleep-related hypoxemia
-ANSWER- B) Central sleep apnea with Cheyne-Stokes respiration
Which of the following is the most appropriate screening test for OSA in a
bariatric surgery candidate?
A) STOP-BANG questionnaire
3
, B) Epworth Sleepiness Scale
C) Berlin questionnaire
D) Overnight oximetry
-ANSWER- A) STOP-BANG questionnaire
Which of the following is the most effective intervention to reduce the risk of
motor vehicle accidents in patients with untreated OSA?
A) CPAP therapy
B) OAT
C) Modafinil
D) Caffeine
-ANSWER- A) CPAP therapy
Which of the following is the most common cause of OAT failure in the first year
of use?
A) Ineffective reduction of AHI
B) Side effects such as TMJ pain or tooth discomfort
C) Cost of the device
D) Lack of improvement in sleepiness
-ANSWER- B) Side effects such as TMJ pain or tooth discomfort
Which of the following is the most appropriate next step when a patient with OSA
on OAT has a repeat sleep study showing an AHI of 18 (baseline 25)?
A) Accept the result as clinically successful
B) Advance the mandible further and repeat testing
C) Add CPAP combination therapy
D) Switch to a different OAT device
-ANSWER- B) Advance the mandible further and repeat testing
Which of the following is the most common anatomical variant associated with
OSA in children?
A) Adenotonsillar hypertrophy
B) Micrognathia
C) Macroglossia
D) Nasal polyps
-ANSWER- A) Adenotonsillar hypertrophy
Which of the following is the most appropriate treatment for a child with moderate
OSA who has adenotonsillar hypertrophy and is not a surgical candidate?
A) OAT
4
