THE EFFECT OF DIETARY CONSISTENCY ON GROSS AND HISTOLOGIC MORPHOLOGY IN THE CRANIOFACIAL REGION OF YOUNG-RATS
THE EFFECT OF DIETARY CONSISTENCY ON GROSS AND HISTOLOGIC MORPHOLOGY IN THE CRANIOFACIAL REGION OF YOUNG-RATS
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DOI：
10.1002/aja.1001700109
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发表时间：
1984-01-01
影响因子：
--
通讯作者：
HYLANDER, WL
中科院分区：
文献类型：
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作者：
BOUVIER, M;HYLANDER, WL
3组断奶大鼠和3组幼年大鼠分别饲喂不同物理稠度的饲料，为期5周和8周。在断奶和幼龄大鼠中，1组喂食软饲料，第2组喂食硬饲料，第3组最初喂食软饲料，然后在实验期的剩余时间内转换为硬饲料。这些差异的饮食一致性的颅面区域的总体和组织形态的影响进行了检查。显着差异，发现在尺寸和形态的髁突和髁突软骨的饮食一致性的差异，在断奶和少年组的结果。软饮食大鼠一般有较小的髁突和髁突软骨层较薄的硬饮食或软/硬饮食大鼠。在任何大鼠组中，下颌骨和上颌骨的总体尺寸几乎没有变化。
Three groups of weanling rats and 3 groups of juvenile rats were fed diets which differed in physical consistency for periods of 5 and 8 wk, respectively. In both the weanling and juvenile rats, 1 group was fed a soft diet, a 2nd group was fed a hard diet, and a 3rd group was initially fed the soft diet and then was switched to the hard diet for the remainder of the experimental period. The effects of these differences in dietary consistency on gross and histologic morphology of the craniofacial region were examined. Significant differences were found in the dimensions and morphology of the condyle and condylar cartilage as a result of the differences in dietary consistency in both the weanling and juvenile groups. Soft-diet rats generally had smaller condyles and a thinner layer of condylar cartilage than either hard-diet or soft/hard-diet rats. Little change was found in the overall dimensions of the mandible and maxilla in any of the groups of rats.