Copy Right-Henai ZHANC Fudan University Permanent teeth 32 in number 14-16 in each mandibular and maxillary arch 2 incisors,1 canine,2 premolars,3 molars in each quadrant Upper jaw 1 2 3 4 5 6 7 8 total 28-32 Lower jaw in.in.ca.premo.molars First permanent molar-appears at about 6 years Third molars (wisdom tooth)-many erupt at any time after 12 years of age or not at all (impaction) Copy Right-Hongqi ZHANG-Department of Anatomy-Fudan University
Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University 32 in number ◆14-16 in each mandibular and maxillary arch ◆2 incisors, 1 canine, 2 premolars, 3 molars in each quadrant Upper jaw 1 2 3 4 5 6 7 8 total 28-32 Lower jaw in. in. ca. premo. molars. ◆First permanent molar－appears at about 6 years ◆Third molars (wisdom tooth)－many erupt at any time after 12 years of age or not at all (impaction). Permanent teeth (adult):
Copy Right-Ho -Fudan University Permanent Teeth ■■■ 1-Incisor X2 28 2-Canine teeth X1 32 3-Premolarteeth×2 4-Molar teeth×3 87654321 ent or Anatomy-ruaan university Upper and lower permanent teeth
Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University 8 7 6 5 4 3 2 1 Permanent Teeth 1-Incisor ×2 2-Canine teeth ×1 3-Premolarteeth ×2 4-Molar teeth ×3 Upper and lower permanent teeth 28 - 32 1 1 2 3 3 4 4 4 1 1 2 3 3 4 4 4
Copy Right- Appearance of the teeth an University Enamel Ext.appearance Crown Dentin 1.Crown Pulp Cavity Neck Gums(Gingiva) 2.Neck Root Canal 3.Root Root Bone Cement Nerve and Blood Calcified tissues vesseles TOOTH ANATOMY ◆Dentine牙质-is a yellowish white tissue,that forms the bulk of tooth. ◆Enamel釉质一is a head,brittle white tissue that covers the crown of the tooth ◆Cement牙骨质-is an unusual form of bone that covers the root of the tooth Periodontal tissue ◆Alveolar bone牙槽骨Gum牙龈Periodontal membrane牙周膜 Between bone and root of tooth Copy Right-Hongqi ZHANG-Department of Anatomy-Fudan University
Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Ext. appearance 1.Crown 2.Neck 3.Root Appearance of the teeth Calcified tissues ◆Dentine牙质－ is a yellowish white tissue, that forms the bulk of tooth. ◆Enamel 釉质－is a head, brittle white tissue that covers the crown of the tooth ◆Cement 牙骨质－is an unusual form of bone that covers the root of the tooth Periodontal tissue ◆Alveolar bone 牙槽骨 Gum 牙龈 Periodontal membrane牙周膜 Between bone and root of tooth
Structure of the teeth and tooth tissue Enamel Crown Gumline Gingiva Pulp chamber 龋齿与牙龈萎缩Decayed tooth Periodontal Root fibers orangectdentist.com Cementum牙骨质 of Anatomy-Fudan University
Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Structure of the teeth and tooth tissue Cementum 牙骨质 龋齿与牙龈萎缩 Decayed tooth
Copy Right-Hong X-ray of teeth omy-Fudan University 3 Cop
Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University X-ray of teeth