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Effect of Flavonoid Supplementation on Alveolar Bone Healing-A Randomized Pilot Trial.


ABSTRACT: We investigated the effects of two common dietary supplements on bone healing in dental extraction sockets in humans. In this randomized pilot trial, male subjects took Grape Seed Extract [GSE] or Grapefruit Extract [GFE] starting two weeks prior to dental extraction and maintained this regimen for sixty days after surgery. Extraction sockets were filled with a collagen plug. After 24 h, a socket sample was collected and processed for quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR) and an 84-gene wound healing assay. Sixty days after tooth extraction, a core of newly formed bone was obtained prior to dental implant placement and processed for histology. qRT-PCR revealed that GFE led to a significant decrease in platelet-derived growth factor and interleukin (IL)1-? compared to GSE, and a significant decrease in IL-6 and CXCL2 compared to control. GSE led to a significant increase in coagulation factor Von Willebrand and inflammatory marker IL1-? compared to GFE. WISP1 and CXCL5 were upregulated in both groups. Overall, GFE showed a downregulation of inflammation and GSE led to a decrease in collagen density and increased osteoclasts. This pilot trial highlights the need for further investigation on the mechanism of action of such supplements on bone healing and oral health.

SUBMITTER: Souza JM 

PROVIDER: S-EPMC7560062 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Effect of Flavonoid Supplementation on Alveolar Bone Healing-A Randomized Pilot Trial.

Souza Jose Moises JM   Tuin Stephen A SA   Robinson Adam G AG   Souza Joao Gustavo Oliveira de JGO   Bianchini Marco Aurelio MA   Miguez Patricia A PA  

Dentistry journal 20200804 3


We investigated the effects of two common dietary supplements on bone healing in dental extraction sockets in humans. In this randomized pilot trial, male subjects took Grape Seed Extract [GSE] or Grapefruit Extract [GFE] starting two weeks prior to dental extraction and maintained this regimen for sixty days after surgery. Extraction sockets were filled with a collagen plug. After 24 h, a socket sample was collected and processed for quantitative real-time reverse transcription polymerase chain  ...[more]

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