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| 1 | Low-level laser therapy enhances the number of osteocytes in calvaria bone defects of ovariectomized rats显示文摘Background : Osteoporosis can make bone repair difficult. Low-level laser therapy( LLLT) has been shown to be a promising tool for bone neoformation. This study aimed to analyze the effect of LLLT on calvaria bone defects of ovariectomized rats using stereology. Methods : Fifty-four Wistar rats were subjected to bilateral ovariectomy, and bone defects were created in calvaria after 150 days. The animals were divided into nine groups(n = ?6 per group), and 24 hours after the bone defects were created they received three, six or 12 sessions of LLLT at 0, 20 or 30 J/cm 2, using a 780-nm low-intensity GaAlAs laser. One-way ANOVA followed by Tukey ' s post hoc test was used for data processing. A difference of P < 0.05 was considered statistically significant. The parameters evaluated were osteocyte density( Nv_(ost)), total osteocyte number( Nto ost), trabecular surface density( Sv_t), and trabecular surface area( Sa_t). Results : Data obtained showed that Nto ost, Sv t, and Sa t in group G2 rats were significantly different from G1(0 J/cm^2)( P < 0.05). Compared to group G4, G5 presented higher values for the parameters Sv t and Sa t, and G6 presented significantly higher values for almost all the analyzed parameters( Nv _(ost), Nto_(ost), Sv_t, and Sa t)( P < 0.05). Compared to group G7, G8 showed a higher value only for the parameter Sa t, and G9 showed significantly higher values for parameters Nv ost, Nto ost, Sv_t, and Sa_t. Conclusion : We conclude that LLLT stimulated bone neoformation and contributed to an increase in the total number of osteocytes, especially with a laser energy density of 30 J/cm^2 given for six and 12 sessions. | Priscilla Hakime Scalize Luiz Gustavo de Sousa Lígia Maria Napolitano Goncalves Dimitrius Leonardo Pitol Marcelo Palinkas Antonio Augusto Coppi Mariah Acioli Righeti Vitória Ricardo Karina Fittipaldi Bombonato-Prado Simone Cecílio Hallak Regalo Selma Siessere | 2019 | Animal Models and Experimental Medicine2019，2，1： | 2 |
| 2 | Chronic illness and depressive symptoms in the elderly:a population-based study显示文摘 | Palinkas LA Wingard DL Barrett-Connor E | 1990 | J Clinical Epidemiol1990，43，11： | 1 |
| 3 | Human challenges in polar and space enviroument显示文摘 | SANDAL G M LEON G R PALINKAS L A | 2006 | Reviews in Environmental Science and Bio/technology2006，，5： | 1 |
| 4 | Older adults' perspectives on successful aging:Qualitative interviews显示文摘 | Reichstadt J Sengupta G Depp C.A Palinkas L.A & Jeste D.V | | 0，，： | 1 |
| 5 | Molecular dy- namics study of CaCl2 in liquid methanol显示文摘 | Kosztolanyi T Bako I Palinkas G | 2006 | Mol Liq2006，126，： | 1 |
| 6 | Synthesis and analysis of fatty acid - acylated polypeptides 显示文摘 | DARADICS L PALINKAS | 1999 | Tenside SurfDet1999，36，5： | 1 |
| 7 | Differences in warfarin dose requirements between Asian and Caucasian patients 显示文摘 | Weibert RT Palinkas LA | 1991 | Clin Pharmacol Ther1991，49，3： | 1 |
| 8 | ASimple model for synergism of corrosion inhibitors 显示文摘 | KALMAN E LUKOVITS I PALINKAS G | 1995 | ACH Models Chem1995，132，4： | 1 |
| 9 | Magnetic resonance imaging of lower extremity injuries 显示文摘 | Rubin DA Palinka ML Kneeland JB | 1994 | Semin Roentgenol1994，29，2： | 1 |
| 10 | Social roles and the evolution of networks in extereme and isolated environments显示文摘 | Johnson JC Boater J Palinkas L | | 0，，2： | 1 |
| 11 | Volcanic facies analysis of a subaqueous basalt lava-flow complex at Hruskovec,NW Croatia:evidence of advanced rifting in the Tethyan domain显示文摘 | Palinka L A Bermanec V Sostaric S B | 2008 | J Volcanol Geotherm Res2008，，178： | 1 |
| 12 | Chronic illness and depressive symptoms in the elderly: a population--hased study显示文摘 | Palinkas LA Winganl DL Barrett--Connor E | 1990 | J Clin Epidemiol1990，43，11： | 1 |
| 13 | Circannual pattern of hypothalamic-pituitary-thyroid (HPT) function and moodduring exitended Antarctic residence显示文摘 | Palinkas LA Reed HL Reedy KR | 2001 | Psychoneuroendocrinology2001，26，4： | 1 |
| 14 | Low blood pressure and depression in older men:a population based study显示文摘 | Barrett-Connor E Palinkas LA | 1994 | BMJ1994，308，： | 1 |
| 15 | Evidence for a novel protective role of the vanilloid TRPV1 receptor in a cutaneous contact allergic dermatitis model显示文摘 | Banvolgyi A Palinkas L Berki T | 2005 | J Neuroimmunol2005，169，： | 1 |
| 16 | Environ- mental influences on hypothalamic - pituitary - thy- roid function and behavior in Antarctica显示文摘 | Palinkas L A Reedy K R Shepanek M | 2007 | Physiol Be- hav2007，92，5： | 1 |
| 17 | Immunology of HCV infection: the causes of impaired cellular immune response and the effect of anti- viral treatment显示文摘 | Par G Berki T Palinkas L | 2006 | Orv Hetil2006，147，13： | 1 |
| 18 | Influence of seasonally adjusted exposure to cold and darkness on cognitive performance in circumpolar residents 显示文摘 | Palinkas LA Makinen TM Paakkonen T | 2005 | Scand J Psychol2005，，3： | 1 |
| 19 | Immunology of HCV infection:the causes of impaired cellular immune response and the effect of antiviral treatment显示文摘 | Berki T Palinkas L | 2006 | Orv Hetil2006，147，13： | 1 |
| 20 | The use of 7Be to identify event and seasonal sedimentation near the Po River delta, Adriatic Sea显示文摘 | Palinkas C Nittrouer C A Wheatcroft R Langone L | 2005 | Mar Geol2005，，： | 1 |
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