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Results for “Maxillofacial Development”

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At least 37 records · Page 2Linked to original sources
PubMed1978

Growth potential of cranial suture bone autografts. I. An experimental macrosopic investigation in young rabbits.

On 25 rabbit sucklings a coronal suture-bone graft was transplanted into an experimental unilateral premaxillo-maxillary bone and stuture defect. 21 animals survived the experimental period and were sacrificed fullgrown (6 months). The graft was found to be well incorporated into the recipient site in all cases, its structure being remodelled to a striking similarity with the unoperated side and the suture was still visible. Photographic measurement of the snout deviation revealed that the longitudinal growth of the grafted suture approximately followed the general growth of the facial skeleton. This indicates an up to 3-fold increase of the growth in comparison to its original cranial growth site.

Animals↗
PubMed1976

The development and structure of the chimpanzee mandible.

The sites of growth and remodeling, and the associated changes in cortical bone structure, have been studied in the chimpanzee mandible and compared with those previously reported in the human and macaque mandibles. The location of the principal sites of growth, and the distribution of the areas of deposition and resorption in the ramus, were found to be similar in all three species. In the chimpanzee, unlike Man, the bone being deposited at the condyle, posterior border of the ramus and coronoid process was plexiform in nature, indicating very rapid growth. The pattern of remodeling in the mandibular body, on the other hand, showed marked species differences at the chin and on the submandibular lingual surface, which account for the contrasts seen in the adult morphology of these regions. Although the pattern of distribution of cortical densities differed from that of surface remodeling, the information they give is complementary in analysing bone growth. The densest regions were found to coincide with sites of consistent lamellar deposition, while the least dense regions were those where plexiform bone was formed. Areas where remodeling led to the greatest reorientation of bone tissue within the cortex showed the greatest disparity between the two patterns.

Age Determination by Teeth↗