Characteristics of the cancellous bone of edentulous mandibles

被引:51
作者
Ulm, CW
Kneissel, M
Hahn, M
Solar, P
Matejka, M
Donath, K
机构
[1] Department of Oral Surgery, Dental School, University of Vienna, Vienna
[2] Ludwig-Boltzmann-Inst. of Osteology, Hanusch Hospital and UKH Meidling, Vienna
[3] Department of Bone Pathology, Center of Biomechanics, University of Hamburg
[4] Department of Oral Pathology, UKE, University of Hamburg
[5] Department of Oral Surgery, Dental School, University of Vienna, A-1090 Vienna
关键词
edentulous mandible; cancellous bone quality; histomorphometry; trabecular bone volume; trabecular connectivity;
D O I
10.1034/j.1600-0501.1997.080207.x
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Trabecular bone volume and trabecular connectivity (trabecular bone pattern factor) of edentulous mandibles were examined using undecalcified bone sections from the region of the Ist premolar to investigate atrophy-related changes in mandibular cancellous bone. The mean trabecular bone volume was 21.8% in female mandibles and 36.6% in male mandibles. The mean trabecular bone pattern factor was -0.22 mm(-1) for female mandibles and -2.29 mm(-1) for male mandibles. The difference between the sexes was statistically conspicuous for both parameters, but did not attain statistical significance. A notable fact was the extreme range of variation in both trabecular bone volume and trabecular connectedness. A difference of 65% between the highest and the lowest trabecular bone volumes measured in the present study (min, 7.6%; max, 73.6%, both male) reflects the possible variation in trabecular density of edentulous mandibles.
引用
收藏
页码:125 / 130
页数:6
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