Beneficial Effects of Hormone Replacement Therapy on Periodontitis are Vitamin D Associated.
Background: Possible synergism between female sex hormones and vitamin D on periodontitis pathology has not been assessed. Here, we investigate effects of estrogen, progesterone and vitamin D on periodontitis in a population-based sample and use cell studies to explore mechanistic explanations of the population-based findings. Methods: The epidemiological analysis utilizes cross-sectional data fro