Application service provider (ASP) featuring software for use in providing orthodontic and dental treatment services; design and development of software for instant messaging between doctors, patients and prospective patients; online non-downloadable software for dentistry; providing on-line non-downloadable software for dental treatment, dental designs, or dental services; providing temporary use of a web-based software application for dentistry; providing temporary use of a web-based software application for use in dental and orthodontic treatment planning; computer software design; custom design of computer software; computer software consultation; computer software development in the field of dentistry; computer services, namely acting as an application service provider in the field of information management to host computer application for the purpose of dental treatment planning; Cranio-facial, medical, and dental health diagnosis and treatment on-line non-downloadable software and services; On-line non-downloadable software used for diagnosing and treating medical and dental health conditions; On-line non-downloadable software used for diagnosing and treating cranio-facial, medical and dental health conditions; On-line non-downloadable software used for diagnosing and treating medical and dental health conditions by means of the oral cavity