Factors reported to favor a better response with mandibular advancement splints

Younger age

Female sex

Lower BMI

Smaller neck circumference

Less severe OSA

Supine-dependent OSA

Healthy dentition with good protrusive range

Longer maxilla

Smaller oropharynx

Smaller overjet

Shorter soft palate

BMI: body mass index; OSA: obstructive sleep apnea.

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