White Matter Integrity in Obstructive Sleep Apnoea before and after Treatment
Obstructive sleep apnoea is usually associated with cognitive and practical deficits. Some of these are resolved after the treatment involving continuous positive airway pressure. An investigation of the brain structural changes before and after treatment showed the recovery of cognitive deficits after treatment is consistent with the presence of a reversible structural neural injury in OSA in patients who were compliant with treatment.
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Somnowell Inventor - Visiting Professor Simon Ash FDS MSc MOrth BDS

Prof. Ash is the inventor of the highly successful SOMNOWELL Chrome device for snoring and sleep apnoea.
The Somnowell Chrome is made to exacting standards in the Somnowell laboratory under the supervision of Visiting Professor Simon Ash. Prof. Ash and his master technicians create each Somnowell Chrome device using their wealth of experience and expertise.
Prof. Ash works at the forefront of his profession. He is a Consultant and Specialist Orthodontist with over 30 years clinical experience, with a special interest in sleep related breathing disorders, TMJD, and bruxism. He currently works in Harley Street London and two private hospitals in London as part of a multi-disciplinary team managing snoring and sleep apnoea, and is Visiting Professor of Orthodontics at the BPP University.
The Somnowell mandibular advancement appliance is also recommended by:
- Sleep Centres
- ENT Surgeons, Sleep Physicians, Respiratory, Physicians
- Orthodontists, Dentists
- General Medical Practitioners
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