The Dorsal device has upper and lower occlusal splints to open the vertical relationship while holding the mandible in the desired forward position.
The “fins” on the mandibular splint interface with inclines built into the buccal of the upper splint to set a specific anterior mandibular position. The inclines keep the mandible from dropping open during sleep.
The appliance is fabricated with adjustable screws in the maxillary to allow further mandibular advancement. A bite should be taken with the mandible advanced 65%-75% and a 4mm inter-incisal opening.
Benefits of the Dorsal device
The Dorsal Appliance is a popular choice for snoring and obstructive sleep apnea. The two piece construction allows for patient comfort and lateral jaw movement. Patients are more compliant because while wearing the device they can open, close and talk or yawn, reducing the chance of muscle trismus.