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Role of Attrition and Occlusal Contact in the Physiology of the Rat Incisor: X. The Part Played by the Periodontal Ligament in the Eruptive Process
S. Pitaru
Departments of Anatomy and Embryology, Schools of Medicine and Dental Medicine, and of Experimental Medicine and Cancer Research, Hebrew University-Hadassah, Jerusalem, Israel
Y. Michaeli
Departments of Anatomy and Embryology, Schools of Medicine and Dental Medicine, and of Experimental Medicine and Cancer Research, Hebrew University-Hadassah, Jerusalem, Israel
G. Zajicek
Departments of Anatomy and Embryology, Schools of Medicine and Dental Medicine, and of Experimental Medicine and Cancer Research, Hebrew University-Hadassah, Jerusalem, Israel
M.M. Weinreb
Departments of Anatomy and Embryology, Schools of Medicine and Dental Medicine, and of Experimental Medicine and Cancer Research, Hebrew University-Hadassah, Jerusalem, Israel
Removal of the proliferating base of the rat incisor did not influence the rate of eruption which responded to changes in impediment to eruption in a fashion similar to that for control teeth. It is the periodontal ligament rather than the proliferating cells that is responsible for tooth eruption. The elements of the periodontal ligament apparently responsible for tooth movement are the mature fibroblasts.
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Journal of Dental Research, Vol. 55, No. 5,
819-824 (1976)
DOI: 10.1177/00220345760550051701
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