有一副健康的牙齿是人们所希望的,它不但是保证进食和全身营养的条件,也是维持心理健康的因素之一。随着人类寿命的延长,老年人在人群中比例增加,老年口腔医学在许多国家开始受到重视。如何保持牙齿及其支持组织的键康,保存一定的咀嚼功能是老年口腔医学的任务。人体的咀嚼器官和人体其他各部一样,随着年龄的老化而出现一系列萎缩和功能减退的生理改变。口腔疾病的发病率多随年龄的老化而逐渐增高,其中最常见的是牙齿和牙列的缺失。牙齿由于各种原因不能保持而造成缺失,或者由于牙病只留下残破不全的牙冠或只剩下牙根,实际上同样会破坏牙列完整性并引起一系列 There is a healthy tooth is one that people hope, it is not only to ensure that eating and general nutrition conditions, but also to maintain mental health one of the factors. With the extension of human life expectancy, the proportion of the elderly in the population has increased, and elderly stomatology has begun to attract attention in many countries. How to maintain the key health of the teeth and their supporting organizations and to save some chewing functions are the tasks of the elderly stomatology. The human body’s chewing organs, like other parts of the human body, undergo a series of physiological changes of atrophy and hypofunction as they age. The incidence of oral diseases and more aging with age and gradually increased, the most common is the loss of teeth and dentition. Defects in the teeth that can not be maintained for a variety of reasons or due to the presence of a broken crown or only the root of a tooth as a result of dental problems can actually destroy the integrity of the dentition and cause a series of