张结 1 1 2003
DESCRIPTION
STOMATOLOGYTRANSCRIPT
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Stamotology
---Oral medicine
Tianjin medical university general hospital ZhangJie (张结 ) Tel:13820787738 E-mail:[email protected]
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Oral molecular biology
IntroductionIntroduction
Oral anatomy
Oral physiology
Oral medicine
Oral surgery
Orthodontics
Pedodontics
Prosthodontics
Stamotology
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Frantal hairlineFrantal hairline
Hyoid bone Hyoid bone
Posterior border of Posterior border of the mandibular the mandibular ramus ramus
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Introduction Stamotology
ProthodonticsOrthodontics Oral surgeryOral medicine
Dental caries Periodontal diseaseOral mucous membrane disease
Surgical treatment of the oral cavity diseases
The diagnostics,prevention,treatment , of irregularities of the individual teeth, groups of teeth and anomalies of jaws.
Stamotology of our lecture
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0ral medicine
Outline of oral medicine Outline of oral medicine
0ral mucous membrane disease
Periodontal disease
Dental caries
Dental anatomy
Tooth
0ral mucosa
Periodontium
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Teeth are very important to our body
Dental anatomy ----Tooth Dental anatomy ----Tooth Crown and rootTooth tissuesTypes of teethDentition
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Crown and root
Cemental-enamel junction(CEJ)
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DifferenceDifference
The anatomic crown
The clinic crown
The anatomic crown
The clinic crown
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Tooth Crown and root Tooth tissues Types of teeth Dentition
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2
4
3
Four tooth tissues
1.Enamel2.Dentin hard3.Cementum4.Pulp soft
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1.Enamel1.Enamel Enamel forms the outer surface of the crown
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Thickness of enamel Mineralization of enamel Pigmentation
Color of teeth
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The chemical composition
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2.Dentin Dentin forms the largest portion of the toothThe color of the dentin is yellow
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The chemical composition
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Unlike enamel ,dentine is capable of adding to itself. When it does this, the new dentin is called secondary dentin.
Secondary dentin.
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3.Cementum
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Medium to attachment of the tooth to the alveolar bone
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Cellular: 1/3apical rootAcellular: anatomic root
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The chemical composition
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4.Pulp
Dentin-reparative system
BloodVessels
Nourishing
Activate and support
Lymph tissue
Nerve tissue
Filters the fluids within the tooth
Fight bacteria
Sensory,/responds only to pain
Special cells
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Pulp chamber
Pulp canalRoot canal
Pulp cavity
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Tooth Crown and root Tooth tissues Types of teeth Dentition
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IncisorsIncisors
cutcut
incisal incisal edgeedge
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CaninesCanines
HoldingHoldingGraspingGrasping
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PremolarsPremolars
ChewChew GrindGrind
HoldingHoldingGraspinGraspingg
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Molars Molars
ChewChew GrindGrind
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Anterior teeth Posterior teeth Anterior teeth Posterior teeth
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Tooth Crown and root Tooth tissues Types of teeth Dentition
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How to identify a deciduous tooth?
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How to identify a permanent tooth?
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1 Dental anatomy ----Dental anatomy ---- PeriodontiumPeriodontium Oral Oral mucosa mucosa
Gingival unit Attachment unit
1.Free gingiva 1.Cementum.
2.Attached gingiva 2.Alveolar bone
3.Alveolar mucosa 3.Periodontal ligament
ToothTooth
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1.Gingiva unit---free gingiva
Free Gingiva is the gum tissue extends from the gingival margin to the base of the gingival sulcus.
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Gingival sulcus is the space between the gingiva and the tooth. A healthy gingival sulcus will rarely exceed 3mm in depth.
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1.Gingiva unit---attached gingiva
Attached gingiva extends from the base of this sulcus to the mucogingival junction .
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1.Gingiva unit---alveolar mucosaAlveolar mucosa is found apical to the mucogingival junction and is continuous with the rest of the mucous membrane of the cheeks lips and the floor of the mouth .
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Gingival papilla is the free gingiva located in the triangular interdental space. The apex in the anterior teeth is rather sharp but is more blunt in the posterior teeth.
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2.Attachment unit— Cementum Alveolar bone Periodontal ligamentAlveolar process is the type of bone that lines the sockets in which the roots of the teeth are held. It is thin and compact with many small openings through which blood vessels ,lymph vessals, and nerves pass. Alveolus is the socket in which the tooth rests.
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2.Attachment unit—Cementum Alveolar bone Periodontal ligament
Periodontal ligament are the fibers attached to the alveolar bone and to the cementum
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Horizontal groupOblique groupApical groupAlveolar crest groupInterradicular group
Hammock of tooth tissue bundles
Tie
push
Most of the Periodontal ligament are arranged in the following groups:
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Horizontal groupOblique groupApical groupAlveolar crest groupInterradicular group
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1 Dental anatomy ----Dental anatomy ----toothtooth PeriodontiumPeriodontium Oral Oral mucosa mucosa The tongue is covered with stratified
squamous epithelium, scattered throughout this epithelium on the upper most surface are four types of papillae:
1.Vallate papillae 2.Fungiform papillae 3.Filiform papillae 4.Foliate papillae
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1. Vallate papillae
A V-shaped row of circular raised papillae.About 8---12 elevations in the VLocation—2/3 of the way back on the tongueThey have many tiny taste buds
(also named Circumvallate papillae)
cells
Nerve
endings
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2.Fungiform papillae
Location --anterior two thirds of the tongue Tiny ,round, redder, raised spotThey have taste buds.
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3. Filiform papillae
Location- the remainder of the anterior two thirds of the tongue is covered with tiny pointed projections known as filiform papillae.
No taste function
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4.Foliate papillae4.Foliate papillaeLocation-- the posterior lateral
border of the tongue Roughness and folds tissue.Fewer taste buds
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The main topics CEJ---?Four tooth tissuesFour types of teethHow to identify a deciduous or
permanent tooth?Gingival papillae and gingival
sulcusAlveolar process and alveolusFive groups of periodontal ligamentFour types tongue papillae
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Take a restTake a restThank you