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ORIGINAL ARTICLE
Year : 2022  |  Volume : 19  |  Issue : 1  |  Page : 37

Evaluating systemic administration effect of propranolol on osseointegration around titanium implants: A histomorphometric study in dogs


1 Dental Implant Research Center, Department of Periodontology, Dental Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
2 Department of Periodontics, Faculty of Dentistry, Qazvin University of Medical Sciences, Qazvin, Iran
3 Dental Materials Research Center, Department of Oral and Maxillofacial Pathology, Dental Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
4 Dental Research Center, Dental Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Correspondence Address:
Dr. Jaber Yaghini
Department of Periodontology, Dental Implant Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1735-3327.344160

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Background: Dental implants are known as a widely accepted and predictable method to replace missing teeth. Many factors, including using a class of drugs, such as β-blockers, can improve the osseointegration of dental implants. This study aimed to investigate the relationship between administrating propranolol and osseointegration in dental implants. Materials and Methods: This experimental animal study was performed on four native male street dogs of 11–13 kg of weight and 16–20 months of age. The specimens underwent teeth extraction. After that, the dogs were randomly divided into two groups. The first group contains two control dogs which would receive oral saline. The second contains two dogs which would receive oral tablets of propranolol daily. After a period of healing, three titanium implants were inserted in each of speciments' left mandibular quadrant, and treatment was resumed with propranolol and saline administration in case and control group, respectively. After 4 weeks, one of control group dogs and one of case group were anesthetized, and dental implants were removed alongside the peripheral bone marrow using a trephine drill. Meanwhile, the other two dogs (1 control and 1 propranolol administered dogs) were anesthetized after 9 weeks of implant placement, and the same procedure was carried out. Results: Due to the histomorphometric assessment, the mean score of bone implant contact (BIC) in week 4 was significantly higher in case group compared to control one (68.33% vs. 20.22%). In week 9, the mean BIC score was higher in case group compared to control group (68.60% vs. 50.17%); meanwhile, in contrast to week 4, it was not statistically significant. In both case and control groups, the formation of woven and lamellar bone was more significant in week 4 rather than week 9. Conclusion: Administration of systemic β-blockers can improve dental implants osseointegration process.


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