Effects of low-dose aspirin on the osseointegration process in rats

Background Several drugs are capable of promoting changes in bone metabolism. The aim of this study was to evaluate the effect of long-term low-dose aspirin (LDA) therapy on implant osseointegration. Methods Male Wistar rats were divided into 4 groups ( n = 8/group) according to oral gavage solution...

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Published inInternational journal of implant dentistry Vol. 7; no. 1; p. 3
Main Authors Lupepsa, Ana Carolina, Vargas-Sanchez, Paula, Moro, Marcella Goetz, Mecca, Leomar Emanuel Almeida, Claudino, Marcela, Soares, Priscilla Barbosa Ferreira, Fischborn, Amanda Regina, Andreis, Jéssica Daniela, Franco, Gilson Cesar Nobre
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 13.01.2021
Springer Nature B.V
SpringerOpen
Subjects
Aspirin
Bone deposition
Dental implant
Dental implants
Dentistry
Medicine
Rodents
Saline solutions
Tibia
Bone deposition
Dental implant
Aspirin
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Summary:Background Several drugs are capable of promoting changes in bone metabolism. The aim of this study was to evaluate the effect of long-term low-dose aspirin (LDA) therapy on implant osseointegration. Methods Male Wistar rats were divided into 4 groups ( n = 8/group) according to oral gavage solution received prior (42 days) to the implant surgery on the tibia. The control group was treated with saline solution for 7 (CG-7) and 28 (CG-28) days. The use of low-dose aspirin was performed in AG groups (6.75 mg/kg of aspirin) for 7 (AG-7) and 28 (AG-28) days. After experimental periods, histomorphometric evaluation of bone-to-implant contact (BIC) and the bone area between threads (BABT) was performed. Results Reduced BIC values were detected in AG-7 (62.8% ± 17.1) group compared to AG-28 (91.9% ± 5.4), CG-7 (82.7% ± 15.2), and CG-28 (89.9% ± 9.7). BABT evaluation revealed lower values in AG-7 (70.9% ± 15.2) compared to AG-28 (95.4% ± 3.7) and CG-28 (87.1% ± 10.2) groups. Conclusions The treatment with low doses of aspirin promoted a discrete inhibitory effect in the early stages (7 days) of repair after implant placement, specifically in the bone deposition. However, these effects were not detected in the late stages (28 days), considering BIC and BABT parameters.
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ISSN:2198-4034
2198-4034
DOI:10.1186/s40729-020-00283-x