How to Tell if You Have a Cavity
78Looking for Cavities
Introduction
Although improvements have been made in oral care over the years, 90% of the world's population have problems with cavities at one point in their life. In fact, in May 2000, the Surgeon General published a report on oral health care in America. According to them, even though strides have been made in oral health care, there is a silent epidemic and a greater risk for oral health problems in certain populations.
Tooth Anatomy
Tooth Anatomy
Before discussing how to tell if you have a cavity, understanding tooth anatomy is important. The tooth is composed of layers. The crown is the visible part of the tooth above the gumline. Enamel is the outermost covering of the crown. The hardest substance in the body, it covers and protects the tooth from bacteria and injury. Beneath the enamel, the next layer is dentin. Dentin is a bone-like material that surrounds and protects the nerve. This layer affects the color of the tooth. It is sensitive to touch and other stimuli. It nourishes the dentin. Pulp is a soft tissue under the dentin. Composed of blood vessels and nerves, if decay attacks the pulp, pain is usually the result. Like enamel covers the visible part of the tooth, under the gumline, cementum covers the dentin of the roots. The roots are embedded in the tooth socket and held in place by the periodontal ligament.
Causes of a Cavity
Tooth decay is caused by an acidic environment and bacteria. After eating, the bacteria in dental plaque metabolize sugar and carbohydrates. The byproduct of this is acid. These acid attacks happen everytime you eat something sweet or starchy and lasts 20 minutes. These continual attacks over time can destroy the tooth.
There are three main types of cavity causing bacteria. These are Lactobacillus acidophillius, six species of Streptococcus, and Odontomyces viscoses. Lactobacillus acidophillius bacteria attack the pits and fissures of chewing surfaces. Streptococcus bacteria usually attack the smooth surfaces adjacent to other teeth. Unfortunately, these types of cavities are hard to detect without x-rays. Odontomyces viscoses live on the back of the tongue. Unlike the other types of bacteria, they attack cementum under the gumline. This is more common in older people or people with gum disease that have exposed cementum and tooth roots.
Signs and Symptoms of a Cavity
Unfortunately, in the beginning, a cavity may be symptom-free. However, as a cavity progresses, different signs and symptoms can alert you to the possiblity of a cavity. These signs and symptoms are:
- Toothache
- Sensitivity to hot, cold, or sugary food and liquid
- Bad breath
- Bad taste in the mouth
- Pain when biting down
- Pus around a tooth
- White or brown spots on the teeth
- Visible holes or pits
Conclusion
If you have one of these signs or symptoms, visit your dentist as soon as possible. Knowing how to tell if you have a cavity and seeking treatment early can save you money and pain. Even if you don't have any signs or symptoms of cavities, practice good oral care habits. Reduce sugary foods and liquids. Limit eating between meals. Brush and floss at least twice daily. Visit your dentist regularly. By visiting your dentist regularly, you may be able to catch the development of cavities before signs and symptoms appear. Prevention is the key to a healthy smile that lasts a lifetime.
Related Article
If you do have a cavity, it doesn't necessarily mean you need a filling. Dependent on the extent of your cavity, you may be able to heal your cavity on your own. This process is called remineralization, and many dentists don't even tell their patients about it. To find out more, read Tooth Remineralization: What Your Dentist Hasn't Told You About Cavities
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i brush my teeth but when i pus back with my toothbrush at the back of my mouth i fill pain why?
I bite down on my tooth and it hurts. That's the only symptom I have. Do I have a cavity??
Hey Seamist,
Great Hub post on the subject of dental cavities. We all need some basic knowledge about cavities and how they come about.
Because from personal experience I can honestly say that cavities in your teeth, come with a horrible pain. So much you can't even enjoy your food when eating because of the pain.
Thanks for the helpful info - Keep it up
My tooth hurt when I bite down on it but I'm having trouble because of my jaw clenching together as I sleep does tht mean I hve a cavity or just a cussed of my bad sleep habit.
Great hub, very informative.
Anytime i drink something one of my teeth hurts. Any type of liquid makes it hurt
My tooth only hurts when i bite down on it hard.
do you think i should visit a dentist?
Part of my mouth just hurts every now and then. Should I get it checked out and if so when
I have a nerve that feels liek a strong current every time i bite down. Never had a cavity in my life and brush and floss 3x daily??????
I had a cavity when I was 8.5 yrs old in Dr. Spate's office. They drilled me in the tooth. I DID NOT LIKE IT!
My sis has a bad toothake. and she is crying.
I have a tooth with a darker stain, but it doesnt hurt or anything. could it be a cavity?
Not true... I brush three times a day and floss every day, sometimes twice a day, and still constantly get cavities. I never go to bed w out brushing my teeth and when the dentists do cleanings on me they tell me that my gums are healthier than average and hardly any plaque comes off of them. I have calcium deficiency no matter how many supplements I take, so everyone is different
I have a couple spots in between my teth, some of which I've noticed recently, but some I know were there on my last check-up at the dentist. I'm afraid of cavities (never had one) so I never point out the dark spot(s) between my teeth at the dentist o.O I think I should?
Dentist scares me!
Today is when I just noticed a small pain in one of my teeth everytime I bight down on food, or when I hit it with my electric toothbrush. Is this a major problem? A possible cavity?
i have a huge pit in my back tooth...i mean huge takes up almost all the tooth, hurts like hell but can't afford a dentist..mmhmm too bad im gona have to deal with this pain
I had a filling done over 9 months ago on my tooth. Now I have a bad toothache would the tooth need to be removed.
from time to time i get a toothache but its usually for a day and most of the time i forget to brush my teeth due to being so busy and or tired from work do i have a cavity?
i have very very small holes in one tooth this is the only symtom i have do have a cavity
When my tooth is sorta sensitive do i have a cavity? i mean i don't know y i would have one tough?
Hi im Valerie and the back of my mouth my tooth has like a black dot and when i touch it with something sharp it doest hurt but im scared if its a cavity my little cousin has a cavity and she went to go get it filled in and she was scared but she still went i dont know if i should go the last time i got a cavity was last year and they gave me a shot i got nervous if the shot would hurt but it didnt and the cavity getting filled in didnt hurt alot but to tell you the truth i dont remember how it felt im scared if it was a bad feeling im not so sure if i should go plz reply with some ideas. :(
I just noticed this hair line dark spot across the bottom of my tooth ontop of my gums and I'm so scared I have a cavity cuz my teeth mean everything to me and I also just got mmy braces off those teeth but I swear it wasn't there like a week ago but I didn't really look I thought it might of been food so naturally I grabbed some floss and tried to like get it out and I swear I got under my tooth which also scared me cuz idk if your supposed to be able to do that so I'm wondering if I have.a cavity and would I be able to get rid of it on my own if it was just starting
so what do u think i should do if my tooth has been hurting and my breath smells worst then garbage
Hi, the only sign i have is a black spot on my teeth, nothing else! do I have a cavity??
Hi, my tooth hurts when I touch it and that's it. Does that meAn I should see a doctor?










seamist Hub Author 3 years ago
Hi Ladyvenus
Yes, unfortunately, many people cannot afford dental care. However, in most instances, it's not true that people have cavities "due to negligence and lack of oral hygiene. How much saliva you have is big factor in tooth decay. Without going into a long explanation, saliva helps protect teeth against cavities. If you have "dry mouth", it can increase your risk for cavities. The kinds of food you eat can increase your risk for cavities too.