| ORIGINAL ARTICLE - COMPARATIVE STUDY |
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| Year : 2017 | Volume
: 7
| Issue : 1 | Page : 18-24 |
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Magnetic field effects on bone repair after calcium phosphate cement implants: Histometric and biochemistry evaluation
Thiago Calcagnotto1, Marcos Miguel Bechstedt Schwengber2, Carlos Cesar De Antoni3, Danilo Louzada de Oliveira4, Théssio Mina Vago5, Jessica Guilinelli3
1 Department of Oral and Maxillofacial Surgery, FATEC Dental CEEO, Igrejinha, Brazil
2 Department of Surgery and Orthopedic, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
3 Department of Oral Biology, Universidade Sagrado Coração, Bauru, Brazil
4 Department of Oral and Maxillofacial Surgery, Universidade do Oeste Paulista, Presidente Prudente, Brazil
5 Department of Oral and Maxillofacial Surgery, Centro Universitário Fluminense, Rio de Janeiro, Brazil
Correspondence Address:
Thiago Calcagnotto
Rua São João, 942, Centro, São Leopoldo – RS
Brazil
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DOI: 10.4103/ams.ams_2_17 PMID: 28713731 
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Objective: This work evaluated histologic and biochemically the effect of magnetic field buried in bone repair after autogenous bone graft and calcium phosphate cement implants. Methodology: Bone defects with 5,0 mm of diameter in the cranium of Wistar mice were used to analyse. These mice were submitted to different interventions: autogenous bone graft and calcium phosphate cement implants, both with and without magnetic stimulation. Longitudinal and transversal histometric and biochemistry analysis were made in times of 15, 30 and 60 post-operative days. Results: The histometric transversal analysis did not show significant differences in the bone repair between groups. Longitudinally, significant difference were found in the quantity of neoformed bone between the times 15 and 60 post-operative days in the autogenous bone graft group under magnetic stimulation. The alkaline phosphatase enzyme presented a higher activity in 30 post-operative days and the groups under magnetic stimulation presented reduced enzymatic activity in comparison to the other groups. Conclusion: The permanent and static magnetic field promoted significant differences in the neoformed bone in the groups autogenous bone graft.
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