Biomaterials and biotechnology are increasing becoming an important area in modern medicine. The main aim in this area is the development of materials, which are biocompatible to normal tissue. Tissue-implant interactions with molecular, biological and cellular characteristics at the implant-tissue interface are important for the use and development of implants. Implantation may cause an inflammatory and immune response in tissue, foreign body reaction, systemic toxicity and imminent infection. Tissue-implant interactions determine the implant life-period. The aims of the study are to consider the biological response to implants. Biomaterials and host reactions to implants and their mechanisms are also briefly discussed.
Facial palsy affects patients in more ways than one would at first think. The aesthetic signs are obvious for all to see, the psychological problems less so. Then there are the functional problems that blight many patients’ lives. Eating, drinking and speaking are everyday tasks that become difficult to do. Adequate oral hygiene is hard for patients to sustain when they have difficulty opening their mouth, and suffer from a dry mouth and food trapping. To understand and increase awareness of these issues, it is valuable to look initially at the aetiology of facial palsy. This informs the specific symptoms and subsequent management of the condition.
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