Dentistry; dental hygiene services; dental surgery services; implant dentistry services, periodontic dental services; prosthodontic dental services; oral and maxillofacial surgery services; orthodontic services; x-ray services; patient services relating to patient imaging (including by x-ray, ultrasound, magnetic resonance imaging, computed tomography scans), analysis and reporting of results of such imaging; information and consultancy services relating to health care and dentistry; rental of dental apparatus