The cracks at the top of the teeth is called fissures in this context means there is some sortation on either side where enamel has worn away due to natural causes like stress or too much Minty Toothbrush use; However they may appear more prominently when it comes time for braces because then we see them front-and -center alongside one another instead.
These small gaps between each tooth are common among adults over 40 but might become noticeable sooner than later if someone experiences rapid weight gain/loss (such as pregnancy), gets involved bodily injury accident , smokes heavily throughout his life.
