Abstract

Estimate the impact of Adiponectin receptors agonist (AdipoRon) on dental implant osseointegration in alveolar bone and explore the possible mechanism between saliva microbiota and AdipoRon in diabetic mice. Sixty C57BL/6 mice (male, 8 weeks old) were divided randomly into four groups according to different doses of AdipoRon: normoglycemic control group; DM control group; DM with a low dose of AdipoRon (5 mg/kg/day); and DM with a high dose of AdipoRon (50 mg/kg/day). Then, dental implants were placed in the palatal root socket in the first molar extraction mouse model. Micro-computed tomography, histology examination, immunohistochemical staining, and oral microbiota were explored to evaluate implant osseointegration. AdipoRon treatment at 50 mg/kg markedly promoted dental implant osseointegration in diabetic mice, but AdipoRon treatment at 5 mg/kg was not effective. Moreover, distinct differences in the oral microbiota composition were shown between the diabetic mice and diabetic mice treated with AdipoRon at 50 mg/kg. AdipoRon treatment at 50 mg/kg in diabetic mice could significantly increase dental implant osseointegration. The salivary microbiota might participate in the accelerated osseointegration progress of dental implants in AdipoRon treatment.

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