Journal of Dental Implants
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Year : 2014  |  Volume : 4  |  Issue : 1  |  Page : 16-21

Influence of estrogen deficiency status on bone around previously osseointegrated dental implants in ovariectomized rats

1 Dental Surgeon at Private Dental Clinic, Alexandroupoli, Evros, Greece
2 Department of Preventive Dentistry, Periodontology and Implant Biology, Dental School, Aristotle University of Thessaloniki, Greece

Correspondence Address:
Dimopoulou Eleni
Thoukudidou 6, 68100 Alexandroupoli, Evros
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-6781.130946

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Objective: The aim of this review is to reveal whether there is a risk of failure of previously osseointegrated dental implants in women with estrogen deficiency status. Background: It is well known that estrogen deficiency can provoke bone alterations leading to bone loss, bone fragility and increased risk of fractures. Consequently, these changes in bone metabolism can affect the surrounding bone tissue of osseointegrated dental implants implicating estrogen deficiency status as a risk factor for their maintenance. Materials and Methods: Databases were searched (MEDLINE/PubMed) using different combinations of various keywords. Titles and abstracts that satisfied the eligibility criteria were screened by the authors and checked for agreement. Results: Five studies were included. All studies used rats as models. Two studies reported that estrogen deficiency may cause a negative effect on osseointegration around dental implants. Two studies suggested that estrogen privation results in a negative influence on bone around implants but this effect mainly appears in the cancellous region leaving cortical bone slightly affected. There is only one study that cited that estrogen deficiency may not be accused of being a risk factor for the failure of osseointegrated dental implants in ovariectomized rats. Conclusion: Estrogen deficiency status in rats seems to affect the success rates of previously osseointegrated dental implants but this situation seems to concern implants located in maxilla. Further investigation needs to be made in order to reveal whether the same results can be shown in women.

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