According to the British Dental Association, there are deciduous molars, all of which eventually fall out by around age 12, and permanent molars, which do not necessarily fall out. All the deciduous molars appear by the time a child is around 2 1/2 years old.
Mascara: Get yourself a pre-wash stain fighter like Shout and apply to the stain using the brush that comes with the pre-wash. Let it sit for about 10-15 minutes, then rinse with hot water. Launder the garment immediately either by hand or in the machine (whichever is most convenient for you).
How to Get Hard Water Stains Out of Your Toilet. If you already have rings around the toilet bowl, a couple of popular types of products may just disappoint. Bleach and bleach-containing cleansers often make the stains worse or do practically nothing at all depending on the mineral content of your water. Something in the chemical reaction can actually make the stain darker of just completely impenetrable to the power of bleach. Some soapy, detergent-based commercial cleaners don't do much more than roll off of the stains and dissolve in the water itself, doing nothing to remove the hard water stains or buildup.