Evaluation of osteoclasts’ distribution on the periodontal ligament of rabbits
Authors: Carrera Manoela , Maciel Taciana , Andrade Sérgio , Sadigursky Moysés , Andrade Miguel Setúbal 
Published: April 2018

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font-size:10.0pt; font-family:Calibri;} --> <!--[endif] --> <!--StartFragment--> <p class="MsoNormal" style="text-align: justify; line-height: 150%;"><span style="line-height: 15px;">Objetivo: avaliar a distribuição e a quantidade dos osteoclastos no ligamento periodontal de molares de coelhos em condições </span><span style="line-height: 15px;">fisiológicas. Metodologia: foram analisadas 176 secções histológicas obtidas através de blocos de osso removidos da região de </span><span style="line-height: 15px;">primeiro molar de ambos os lados da mandíbula de 44 coelhos. As secções foram coradas pela técnica de TRAP (Fosfatase ácida </span><span style="line-height: 15px;">tartarato-resistente). Resultados: na análise dos resultados, em 53,98% das lâminas não havia osteoclastos, enquanto que em 46,02% </span><span style="line-height: 15px;">a presença desta célula foi detectada. Quando presentes localizaram-se mais nos terços cervical e médio. O teste não-paramétrico </span><span style="line-height: 15px;">Exato de Friedman evidenciou diferença estatisticamente significante entre os terços e o teste a Posteriori de Dunn indicou essa </span><span style="line-height: 15px;">diferença entre os terços apical e cervical, e apical e médio (p<0,05). Conclusão: conclui-se que o remodelamento fisiológico do osso </span><span style="line-height: 15px;">alveolar acontece quando o stress gerado sobre ele é suficiente para induzir a diferenciação de monócitos em osteoclastos. Estas </span><span style="line-height: 15px;">células concentram-se mais nos terços cervical e médio devido à direção do movimento dentário.</span></p> <!--EndFragment-->