Tongue Retaining Device for Obstructive Sleep Apnea: Does It Work?

There are many variations of oral appliances to treat snoring and obstructive sleep apnea, but one variation that you may not have heard of is the tongue retaining device (TRD). There are also different variations of TRDs, from suction bulbs to hybrid mandibular advancement device-TRDs. Here’s one example and here’s another. Here’s a good review […]