Recent advances in medical science, people are living longer and are receiving medical treatment for disorders that were considered to be fatal earlier. Dentistry in today's world is very different from what was practiced about a decade or two ago, not only in methods and procedures but also in the types of patients seen in clinics. The biggest challenge that is faced by any dental clinician is in the assessment and management of patients with complex systemic conditions. Patients who are suffering from medical conditions are frequently encountered in dental practice, presence of symptoms...