Ceramic braces appear the same size and shape as metal braces, except that they have clear brackets that are of the same color as the teeth. Sometimes even tooth-colored wires are used to be even less noticeable. Ceramic can give you the same results as metal braces without giving an unattractive look like in metal braces.
Yes, it is safe to swim while you on periods. Period blood doesn't flow outside the vagina like it usually does due to the counter-pressure of the water. But You still need to wear some a tampon or a menstrual cup to avoid getting into a sticky situation.
Resin tooth filling typically contains a filler particle such as quartz, which provides the mixture's strength and color. It is costly as compared to silver tooth filling.
In some cases, the change in period blood color can indicate a health problem like fibroids, low estrogen levels, and even vaginosis.