& nbsp; & nbsp, Dental Treatment Center; & nbsp; & nbsp; Tooth decay is caused by bacterial infections, which can lead to various systemic diseases such as arthritis, kidney disease, heart disease, etc. Currently, tooth decay has been receiving increasing attention. According to incomplete statistics, about 10% to 30% of myocarditis cases are related to dental infections. The harm caused by tooth decay to humans is evident. & nbsp; & nbsp, Suzhou Dongwu Hospital Dental Department; & nbsp; First, tooth decay can cause root tip lesions, leading to loose or damaged teeth, affecting not only appearance but also causing changes in pronunciation. & nbsp; & nbsp; & nbsp; Second, the bad tooth roots caused by tooth decay often affect a person's chewing ability, increasing the burden on the gastrointestinal tract. Over time, this can reduce appetite, severely leading to indigestion and even trigger various digestive diseases. & nbsp; & nbsp; & nbsp; Furthermore, tooth decay initially may not have obvious symptoms, but once it continues to develop and affects the dentin, it will make the teeth more sensitive. Especially stimuli such as cold, heat, orthodontics, sourness, and sweetness can cause tooth pain, "Toothache is not a disease, but when it hurts, it feels life-threatening," thus affecting normal life. & nbsp; & nbsp; & nbsp; Finally, if tooth decay occurs, it must be treated as early as possible. If left untreated, inflammation will continue to develop towards the tooth root, causing periapical periodontitis, gum pus discharge, severe facial swelling, fever, limited mouth opening, and bacteria entering the blood can even cause septicemia, endangering life. & nbsp; & nbsp; & nbsp; Therefore, if you have tooth decay, do not ignore it. Early detection and early treatment are necessary. Having tooth decay is not scary, what is scary is letting it develop unchecked, which will inevitably lead to serious consequences! Experts suggest that people with dental problems should seek treatment early, and those without dental problems should have an oral examination at least once every six months.