Today generally gives more importance a bright smile, and not enough on oral care, as you may have to be a good and effective hygiene and cleaning of tartar, or just check caries.
The reality is that even if you have a good smile, you always need a constant visit to the dentist of trust to verify that everything in order.
Thus, the control of caries and other factors particular to be one of the more casual and common problems, because sometimes not all react different to a tooth carious, even some patients are likely to even know that have.
Anyway, yes there are some small patterns to verify that they are able to confirm or not the existence of cavities in the mouth.
As a first symptom, and certainly also one of the most common and traditional discomfort when biting can be one of the most persistent symptoms. This way when chewing food may feel various aches which can undoubtedly be considered the first sign to visit the dentist.
As a second factor, sensitivity to heat and cold must be also other of the most forward. Clearly drinking or drinking hot or too cold can cause a marked sensitivity in the tooth or tooth decayed, giving to know that something is wrong inside the mouth.
Can sometimes appear a certain sensitivity to sweet or acid, so eating sweets, desserts or meals too sweet, it may be (however rare that is) something unpleasant. Similarly, the same can happen with acids.
Moreover, a third factor may be the strong beats in the tooth, ie strong shooting pains in the tooth, sometimes confused as ear pain or stitches in the head. As a detail to mention, if the pain and sensitivity experiments are too intense, you will need root canal treatment or root canal (the most popular name).
Finally, of course if any of these symptoms is necessary to go to the nearest dentist to confirm whether it is a cavity or other factor that is causing the discomfort.
Anyway, although sometimes these punctuations can occur in other cases totally different from dental caries, the combination of several of these factors undoubtedly culminates in the presence of one of them.