Wondering why many people feel like sitting on an electric chair for an execution, as they are sitting on a dental chair? Do you feel what those people do? Believe it or not, many adults were ‘traumatic’ on sitting on a dental chair, in which they recalled the painful moments when they were still kids. You will notice that kids, these days, never hesitate to enter the dentist room and sit comfortably within. The main reason is their convenience, thanks to the well-equipped dental chair with the latest technology that assures pain-free feeling. Such phenomenon is real. This isn’t a joke. Many people who are older than 30 years old felt like being executed, as soon as they were sitting on the dental chair. Decades ago, we should admit that we were troubled about the pain that it would suffer when the doctor started to operate the chair, even if he or she was only changing the position. These days, the majority of dentists pay a very serious concern about this problem. They want to make all patients free from any anxious feeling about a dentist room, particularly when they are already sitting on the chair. Nowadays dentists should be glad that they have more options of sophisticated dental chairs with comprehensive equipment that support dentists’ tasks, while assuring patients’ comfort. What criteria that a reliable dental chair should own? For sure, it should be FDA Approved, though it may not be enough to ensure its total reliability. One of the most popular examples of