[Bone structure and implantological significance of the periapical area].

The precise and more detailed structural topography of the periapical area of mandibular bones is largely unknown. The author reports his observations and test results related to the above area with special emphasis on their implantological significance. The decrease in the number of the so called trajectorium perialveolare i.e. the fine, elastic, radially organised bone trabecula, constituting the processus alveolaris, leads to the decrease of the mandibular bone-mass and the disintegration of the mandibular bone structure. The present publication aims to attract the stomatologists' attention to the importance and maintenance of the trajectorium perialveolare.