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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 .
Dental charts are normally arranged from the viewpoint of a dental practitioner facing a patient. The patient's right side appears on the left side of the chart, and the patient's left side appears on the right side of the chart. The labels "right" and "left" on the charts in this article correspond to the patient's right and left, respectively.
Adult teeth are numbered 1 to 8, with deciduous (baby) teeth indicated by a letter A to E. Hence the left and right maxillary central incisor would have the same number, "1", but the right one would have the symbol "⏌" underneath it, while the left one would have "⎿".
Teeth should be clean with no decay, white with shiny enamel and smooth surfaces and edges. Adults should have a total of 32 teeth (16 teeth in each arch). By the age of 2 + 1 ⁄ 2, children have a total of 20 deciduous teeth (10 in each arch). Abnormal findings are missing, loose, broken and misaligned teeth.
X-ray of the teeth and jaw showing the normal permanent teeth. The last two teeth on the patient's left (the dentist's right), 28 and 38 - the maxillary and mandibular third molars (popularly the upper and lower wisdom teeth) are severely impacted.
Some children can tell time on the hour: five o'clock, two o'clock. Knows what a calendar is for. Recognizes and identifies coins; beginning to count and save money. Many children know the alphabet and names of upper- and lowercase letters. Understands the concept of half; can say how many pieces an object has when it has been cut in half.
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Abrasion is loss of tooth substance caused by physical means other than teeth. [10] The term is derived from the Latin verb abrasum, which means ‘to scrape off’. [2] It tends to present as rounded ditching around the cervical margins of teeth, commonly described as ‘shallow’, concave or wedge shaped notches. [1]