Stages of Tooth Decay | Oral-B - Decaying adult lower incisors
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Tooth loss is a process in which one or more teeth come loose and fall out. Tooth loss is normal for deciduous teeth (baby teeth), when they are replaced by a person's adult teeth. Otherwise, losing teeth is undesirable and is the result of injury or disease, such as dental avulsion, tooth decay, and gum disease. The upper and lower central incisors are shed at age six to seven years. 92% of adults 20 to 64 have had dental caries in their permanent teeth. adults, and those with lower incomes and less education have more untreated decay.