Dental

Parts of Teeth

• The tooth is divided into two parts: the crown and the root. The crown is the exposed and visible portion of the teeth above the gums, whereas the root is the portion hidden beneath the gum.
• Teeth have four layers: enamel, dentine, pulp, and cementum (1^✔ ✔Trusted Source
  Tooth anatomy
  
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Types of Teeth

• There are four different types of teeth: incisors, canines, premolars, and molars (2^✔ ✔Trusted Source
  From molecules to mastication: the development and evolution of teeth
  
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Number of Teeth

• Human adults have 32 teeth, whereas children usually have 20 baby teeth by the age of three (3^✔ ✔Trusted Source
  Teeth
  
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Functions of Teeth

• The primary function of teeth is mastication, which involves crushing and grinding food into a bolus that can be easily swallowed for further digestion.
• Teeth are also important for speech and facial appearance (4^✔ ✔Trusted Source
  Anatomy, Head and Neck, Teeth
  
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Dental Enamel

• Dental enamel is the tooth's protective outer layer that shields the tooth crown. It is the hardest substance in the body (5^✔ ✔Trusted Source
  Dental Enamel Formation and Implications for Oral Health and Disease
  
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Tooth Decay

• Dental caries (tooth decay) is one of the most common non-communicable diseases, affecting nearly 60 to 90% of people worldwide (6^✔ ✔Trusted Source
  The Role of Fluoride on Caries Prevention
  
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Natal Teeth

• Approximately one out of every 2,000 to 3,500 babies is born with a tooth (7^✔ ✔Trusted Source
  Natal teeth: a review
  
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Gum Disease

• Gum disease, also known as periodontal disease, is a common condition that affects the gums and the bones that support the teeth. It is caused by bacteria that form plaque on the teeth.
• Periodontal disease (Gum disease) is more common in men than in women.
• It is more common in adults and increases with age (8^✔ ✔Trusted Source
  Periodontal Disease
  
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Tooth prints

• Tooth prints, like fingerprints, are unique to each individual and can be used as an effective aid in person identification (9^✔ ✔Trusted Source
  Ameloglyphics: A possible forensic tool for person identification following high temperature and acid exposure
  
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Oral microbiome

• There are over 700 different strains of bacteria in the oral cavity (10^✔ ✔Trusted Source
  Oral microbiome: Unveiling the fundamentals
  
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Dentures

• Dentures or false teeth, are artificial replacements that are used to replace missed or extracted natural teeth (11^✔ ✔Trusted Source
  Dentures
  
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Oral Health and Overall Health

• Poor oral health can increase the risk of developing serious health conditions like cardiovascular problems (heart attack and stroke), respiratory disease, diabetes, and oral cancer (12^✔ ✔Trusted Source
  Oral Health Conditions
  
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