INTRO TO GENERAL DENT.

• MONOPHYODONT


  One set of teeth in a lifetime (cows, beluga whales)
• DIPHYODONT


  Two sets of teeth in a lifetime (humans)
• POLYPHYODONT


  Multiple sets of teeth in a lifetime (sharks)
• HOMODONT


  Teeth are all about the same shape
• HETERODONT


  Teeth have different forms and function in different parts of the tooth row
• Anatomical CROWN


  Covered by enamel
• Anatomical ROOT


  Covered by cementum
• Clinical Crown


  Portion of the crown that can be seen in the mouth (clinically)
• Clinical Root


  Portion of the root that can be seen in the mouth (clinically)
• CEJ (Cementoenamel Junction)


  Where the crown and the root join, also known as the Cervical Line
• Dentin


  Main bulk of the tooth
• Pulp cavity


  Space that encapsulates the pulp, has two sections that are continuous with each other: Pulp Chamber (mainly in the crown portion) and Pulp Canal (mainly in the root portion)
• Tooth Surfaces


  • Incisors and Canines have 4 surfaces
  • Premolars and Molars have 5 surfaces
• Tooth Tissues


  • Hard Tissues: Enamel, Cementum, Dentin
  • Soft Tissues: Pulp
• Pulp


  Furnishes the blood and nerve supply of the tooth
• Maxillary and Mandibular central incisors


  The only four teeth that have mesial surfaces that contact each other
• Contact area


  The area of the mesial or distal surface of a tooth that touches its neighbor in the arch
• Tooth Groups


  • Anterior Teeth: central Incisors, lateral incisors and canine
  • Posterior Teeth: premolars and molars
• Lips


  Labial
• Cheeks


  Buccal
• Tongue


  Lingual
• Anterior


  Front
• Posterior


  Back
• Distal


  Away from median line
• Mesial


  Toward the median line
• Central Incisor


  First incisor
• Lateral incisor

  Second incisor
• Canine


  Cuspid
• First premolar


  First bicuspid
• Second premolar


  Second bicuspid