Answer:
Applied to a solid base, each layer of porcelain helps recreate the shape and colour of natural teeth. Explanation:
The layers have to be applied in such a way that, when light strikes them, they match their surrounding dentition*. This is achieved using different layers of porcelain material.
Answer:
The kidneys will increase the deposition of calcium in the bone as a result of the release of calcitonin by the para follicular cells in the thyroid gland.