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Periodontium

 

 
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Periodontium
 
 
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Periodontium refers to the specialized tissues that both surround and support the teeth, maintaining them in the maxillary
Maxilla

The maxilla is a fusion of two bones along the palate fissure that form the upper jaw. This is similar to the mandible, which is also a fusion of two halves at the mental symphysis....
 and mandibular
Mandible

The mandible or inferior maxillary bone forms the lower jaw and holds the lower tooth in place. It also refers to both the upper and lower sections of the beaks of birds....
 bones. The word comes from the Greek terms peri-, meaning "around" and -odons, meaning "tooth." Literally taken, it means that which is "around the tooth". Periodontics is the dental specialty that relates specifically to the care and maintenance of these tissues.

The following four tissues make up the periodontium:










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Periodontium refers to the specialized tissues that both surround and support the teeth, maintaining them in the maxillary
Maxilla

The maxilla is a fusion of two bones along the palate fissure that form the upper jaw. This is similar to the mandible, which is also a fusion of two halves at the mental symphysis....
 and mandibular
Mandible

The mandible or inferior maxillary bone forms the lower jaw and holds the lower tooth in place. It also refers to both the upper and lower sections of the beaks of birds....
 bones. The word comes from the Greek terms peri-, meaning "around" and -odons, meaning "tooth." Literally taken, it means that which is "around the tooth". Periodontics is the dental specialty that relates specifically to the care and maintenance of these tissues.

The following four tissues make up the periodontium:

  • Alveolar bone
  • Cementum
    Cementum

    Cementum is a specialized calcified substance covering the root of a teeth. Cementum is excreted by cells called cementoblasts within the root of the tooth and is thickest at the root apex....
  • Gingiva
    Gingiva

    The gingiva , or gums, consists of the mucosal tissue that lies over the alveolar bone....
     or gums
  • Periodontal ligament
    Periodontal ligament

    The periodontal ligament, commonly abbreviated as the PDL is a group of specialized connective tissue fibers that essentially attach a tooth to the alveolar bone within which it sits....