Kumar Adarsh

Sleep is a physical and mental resting state in which a person becomes relatively inactive and unaware of the environment. In essence, sleep is a partial detachment from the world, where most external stimuli are blocked from the senses. Normal sleep is characterized by a general decrease in body temperature, blood pressure, breathing rate, and most other bodily functions. In contrast, the human brain never decreases inactivity. Studies have shown that the brain is as active during sleep as it is when awake. Sleep is a necessary and vital biological function. It is essential to a person's physical and emotional well being.

Many treatment options were proposed in the past for the rehabilitation of the missing teeth. with the advancement in dentistry and the introduction of the implant in the dental fraternity, we are now able to provide better prosthesis. The function and esthetics of these prostheses are predicted by the abutments. So wise selection of these abutments is crucial. This book will emphasize on proper selection of these abutments for better predictability.

Maxillofacial surgery deals with major surgery of jaw bone tumor, oral cancers, temporomandibular joint, congenital facial defects, jaw bone fracture, etc. Bone grafts are required in many procedures. Bone grafting is a surgical procedure that replaces missing bone in order to bone fractures that are extremely complex, pose a significant health risk to the patient, or fail to heal properly. Bone grafting is a very old surgical procedure. So proper selection of bone graft is very important. This book presents a complete guideline for the selection of different types of bone grafts.