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Observation of root resorption. (a) SEM image of the tooth, (b) root resorption area (black) and the total surface area (grey), (c) representative SEM pictures of the control group, (d) 5 mg/kg/d resveratrol group, (e) 10 mg/kg/d resveratrol group, (f) the resorption ratio of the three groups were calculated by dividing the surface of black area by the grey area. (** p < 0.01, n = 6). Modified from ref. [54] with authorization.
