Jornal de Distúrbios do Sono e Terapia
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Resolution of Sleep Bruxism using Biomimetic Oral Appliance Therapy: A Case Report

Felix Liao and Dave Singh G

Background: Evidence suggests that sleep bruxism is centrally regulated, and that the highest risk factor associated with sleep bruxism is obstructive sleep apnea. Current treatments for sleep bruxism include dental nightguards or occlusal splints, which are often provided without upper airway or sleep assessments.

Methods: In this case report, we used biomimetic oral appliance therapy to address sleep bruxism by redeveloping the maxilla and repositioning the mandible in a 17 yr. old, female patient.

Results: The upper airway volume increased by 313% (from 7.7 cm3 to 24.1 cm3) and the minimum upper airway cross-sectional area increased by 230% from (120 mm2 to 276.5 mm2), which improved both sleep bruxism and orthodontic relapse.

Conclusion: We conclude that dentists and orthodontists can help in the recognition and treatment of both sleep bruxism and malocclusion, thereby preventing systemic co-morbidities associated with obstructive sleep apnea.