Development and Evaluation of a Pillow to Prevent Snoring Using the Cervical Spine Recurve Method

Figure 6

Five oropharynx area X-ray images obtained at random angles: (a) origin point (), (b) 5.03° expansion () from , (c) 5.01° expansion () from ,(d) 4.95° expansion () from , (e) 4.99° expansion () from , and (f) 5.02° expansion () from .

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