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Behavior of Mast Cells in Periodontal Ligament Associated with Experimental Tooth Movement in Rats
K. Yamasaki
Department of Orthodontics, Showa University Dental Hospital, Ohta-ku, Kitasenzoku 2-1-1, Tokyo 145, Japan
Y. Shibasaki
Department of Orthodontics, Showa University Dental Hospital, Ohta-ku, Kitasenzoku 2-1-1, Tokyo 145, Japan
T. Fukuhara
Department of Orthodontics, Showa University Dental Hospital, Ohta-ku, Kitasenzoku 2-1-1, Tokyo 145, Japan
Orthodontic mechanical stress reduced the frequency of the appearance of mast cells stainable with toluidine blue in the periodontal ligament on both the pressure and tension sides of rat molar teeth. This effect was seen immediately after insertion of elastic bands between the first and second molars, and the greatest reduction in the number of mast cells stainable with toluidine blue was observed 15 min after insertion.
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Journal of Dental Research, Vol. 61, No. 12,
1447-1450 (1982)
DOI: 10.1177/00220345820610121501

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