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ORIGINAL ARTICLE - COMPARATIVE STUDY
Year : 2017  |  Volume : 7  |  Issue : 1  |  Page : 11-17

Application of orthodontic immediate force on dental implants: Histomorphologic and histomorphometric assessment


1 Department of Prosthodontics, Dental Implants Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
2 Department of Orthodontics, Dental Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
3 Department of Oral and Maxillofacial Pathology, Dental Implants Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
4 Department of Prosthodontist, Private Practice, Tavana Dental Clinic, Rasht, Iran
5 Department of Prosthodontics, Dental Students Research Committee, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran

Correspondence Address:
Danesh Teimouri Rick
Tavana Dental Clinic, Rasht
Iran
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DOI: 10.4103/ams.ams_35_15

PMID: 28713730

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Aims: Application of force to implants is helpful, especially in orthodontic-implant therapies. The aim of this study was a histomorphologic and histomorphometric evaluation of peri-implant bone after immediate orthodontic and orthopedic forces comparing them with a control group. Materials and Methods: Eighteen dental titanium implants were inserted in the premolar region of three dogs. Implants were divided into three groups: (1) group with immediate orthodontic force of 300 NC, (2) group with immediate orthopedic force of 600 NC, and (3) control group. Implants were explanted with adequate amount of surrounding bone after 3 months and bone-implant contact (BIC), amount of lamellar bone (LB), amount of woven bone (WB), amount of inflammatory connective tissue, and the rate of the movement were investigated. ANOVA, t-test, paired t–test, and Pearson's test were used to analyze the data using SPSS software version 16 at a significant level of 0.05. Results: Based on BIC, amount of lamellar and WB and the amount of inflammatory connective tissue, there was no significant difference between the three groups (300 centinewton (CN), 600–CN, and control group) (P > 0.05). In the 300-CN and 600-CN groups, the rate of movement was reported 0.41 and 0.94 with no significant differences (P = 0.38). Conclusion: 300-CN and 600-CN immediate static loads do not interfere with osseointegration phenomenon and it does not decrease the amount of BIC and LB. Implants can be moved by preserving osseointegration, and this movement is in direct relation with the amount of applied force.


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