Dr Niall Kent is an NHS Oral and Maxillofacial Surgeon with a PhD in Dentistry from University College London. Over the past ten years at UCL he developed AeroGraft™, the first new patented technology for sensitive teeth in nearly 30 years. OZEN, the oral care brand he co-founded with CEO Harry Zalk, launched in June 2026, exclusively in more than 800 Boots stores.