Spirgi M, Junod J P, Perrelet L
SSO Schweiz Monatsschr Zahnheilkd. 1977 Sep;87(9):894-910.
A normal adult becomes a normal old man when going through a whole process of physiologic involution called natural ageing, which does not spare the stomato-gnathic system. The authors first review the biological aspects of ageing as seen on the skin and facial contour, on dentition and teeth, on periodontium, oral mucosa, tongue, salivary glands, facial and masticatory muscles, facial skeleton and temporomandibular joints. They then follow with the psychological aspects of ageing, going necessarily beyond the limits of dental medicine. The authors finally discuss means to prevent that natural ageing becomes pathologic.
一个正常成年人在经历被称为自然衰老的整个生理退化过程后会变成一个正常的老年人，口腔颌面部系统也不例外。作者首先回顾了在皮肤和面部轮廓、牙列和牙齿、牙周组织、口腔黏膜、舌头、唾液腺、面部和咀嚼肌、面部骨骼以及颞下颌关节方面所观察到的衰老生物学特征。接着，他们阐述了衰老的心理学特征，这必然超出了牙医学的范畴。作者最后讨论了防止自然衰老转变为病理性衰老的方法。
