Cavity, or tooth decay: Perhaps the most common cause for a black spot on your molar teeth is tooth decay, or a cavity. A cavity forms when the build-up of plaque, which contains acids, is allowed to erode the surface enamel of a tooth. A hole in the tooth's protective layer sometimes shows as a black dot.
Black spots on teeth can be caused by tartar buildup, aging, genetics, tobacco use, certain foods, antibiotics, fluorosis, and more. Cavities are different from staining and can be identified by changes to the tooth's surface. Most black spots from staining are not harmful, but should be checked by a dentist.
Black lines caused by tartar build up
Plaque forms naturally on teeth, particularly near the gum lines. If not removed through brushing and flossing, this plaque will calcify and harden into tartar, also known as calculus. Tartar can only be removed by a dentist.
Typically, if there is a dark spot on your tooth, chances are high that there is an invisible hole. A cavity presents itself with a brown, black or gray spot on your tooth. It is a perfect way on how to tell if you have a cavity. A stain, on the other hand, is a discoloration caused by drinks and food.
What Does a Cavity Look Like? While it is usually difficult to see a cavity in its beginning stages, some cavities start with a whitish or chalky appearance on the enamel of your tooth. More serious cases can have a discolored brown or black color. However, most often there are no distinguishable red alerts.
Tooth Decay
These holes tend to look like small black or brown spots on your teeth. A black spot of tooth decay is usually accompanied by: Persistent pain or toothache. Tooth sensitivity to hot and cold temperatures and sugary foods or drinks.
Enamel can repair itself by using minerals from saliva, and fluoride from toothpaste or other sources. But if the tooth decay process continues, more minerals are lost. Over time, the enamel is weakened and destroyed, forming a cavity. A cavity is permanent damage that a dentist has to repair with a filling.
Both stains and cavities can appear as brown spots on your teeth. Stains aren't painful but cavities are. Tell tale signs of a cavity are teeth sensitivity, holes or markings in white, grey or black on teeth.
How Long Can You Leave Tooth Decay Untreated? Many people often leave tooth decay untreated until pain sets in. Unfortunately, as with everything else, the longer you leave tooth decay untreated, the worse it gets. On average, it takes about 3 to 6 months for cavities or tooth decay to start affecting your nerves.
Every Cavity Is Different. The time it takes for a cavity to form varies. It can, on average, take anywhere from six months to four or five years before a cavity requires treatment. The length of time it takes will vary on a case-by-case basis because the conditions of your mouth differ daily.
A cavity can take anywhere from six months to five years to develop before it requires treatment. The wide range here is influenced by the conditions in a person's mouth, including their hygiene, diet, and genetic factors. The area where the cavity is forming can also influence the rate at which it develops.
Dark spots in your mouth can be caused by a variety of things. They run from minor lesions, such as a stain from a dental filling that leaked into your gums (called an amalgam tattoo), to benign tumors of your blood vessels, such as a hemangioma. Some types of cancer can also show up as dark spots.
Often a cavity will look like a dark spot on the tooth, typically yellow, brown, or black in color. Early on, it may resemble tooth staining or a slight discoloration. As cavities progress, the holes get bigger and usually darker.
It's necessary to have endodontic or root canal treatment when the inside of your tooth (the pulp) becomes inflamed or infected as a result of deep decay, repeated dental procedures, faulty crowns or a crack or chip in the tooth.
A lot of people think that if a cavity doesn't hurt, there's no problem. But that's not true! By the time a cavity hurts, the damage has already been done. Don't wait until it hurts to get it checked out by a professional!
Can cavities go away with brushing? A common question we receive from children and parents is, “can you brush away a cavity?” Once a cavity is fully formed in the tooth, unfortunately, it's impossible to just improve your brushing and make it go away.
In most cases, by the time you notice the symptoms of tooth decay, it will be too late to reverse the damage with natural methods. You will need to consult your dentist to prevent the damage from spreading to other areas of the tooth.
Once decay reaches the dentin the disease process is virtually irreversible. The diseased portion of the tooth needs to be removed and a restoration such as a filling or crown will be placed. If the decay goes all the way into the nerves and blood vessels of the pulp chamber the tooth will die.
It can take as long as five years from the time a cavity begins to develop to when the tooth needs treatment to prevent the cavity from spreading further.
Statistics for Cavities in Children
Teeth start to appear as early as four months of age, and all primary (“baby”) teeth should be in place by age three. 42% of children develop cavities from age 2 to 11. Nearly 28% of children aged 2 to 5 develop a cavity.