PARTS OF PERIODONTIUM

GINGIVAPERIODONTAL LIGAMENTROOT CEMENTUMALVEOLAR BONE

PARTS OF PERIODONTIUM1. GINGIVA

2. PERIODONTAL LIGAMENT

3. ROOT CEMENTUM

4. ALVEOLAR BONE

PERIODONTIUM

G- GINGIVA

PL – PERIODONTAL LIGAMENT

ABP – ALVEOLAR BONE PROPER

RC –ROOT CEMENTUM

AP –ALVEOLAR PROCESS

GINGIVA

n

GINGIVA

I - LOOSE ALVEOLAR MUCOSA

II- MUCOGINGIVAL JUNCTION

III- ORANGE PEAL FEATURE

IV-MARGINAL GROOVE

V- FREE GINGIVAL MARGIN

VI- TEETH

VII- INTERDENTAL GINGIVA

VIII- VERTICAL INTERDENTAL GROOVES

IX- ATTACHED GINGIVA

Orange peel appearance

PARTS OF GINGIVAFREE GINGIVAL MARGIN

ATTACHED GINGIVA

LOOSE ALVEOLAR MUCOSA

FREE GINGIVAL MARGINE AND EPITHELIAL ATTACHMENT AT THE CEMENTO-ENAMEL JUNCTION

FREE GINGIVAGS- SULCUS

SE – SULCUS EPITHELIUM

BG- CONNECTIVE TISSUE

OE – ORAL EPITHELIUM

S – ENAMEL

SZG- JUNCTIONAL EPITHELIUM

GINGIVAL RECESSION DURING THE LIFE

HEAVY GINGIVAL PIGMENTATION DUE TO CHARACTERISTIC RACE FEATURE

ORANGE PEAL APPEARANCE

DENTOGINGIVAL FIBERS AND THE INTERDENTAL COL AREA

EPITHELIAL-CONNECTIVE TISSUE BOUNDARY

FIBERS OF THE INTERDENTAL GINGIVA

FIBERS OF THE FREE AND ATTACHED GINGIVA

EPITHELIAL ATTACHMENT –JUNCTIONAL EPITHELIA

D –DENTIN

E – ENAMEL

C –CEMENTUM

A – JUNCTIONAL EPITHELIAL CELLS

THE JUNCTIONAL EPITHELIUM UNITES THE GINGIVAL CONNECTIVE TISSUE WITH THE ENAMEL BY HEMIDESMOSOMAL ATTACHMENT

THE DENTINOGENESIS AND THE DEVELOPMENT OF THE APITHELIAL ATTACHMENT

ENAMEL ORGAN –ENAMEL AND PRIMARY EPITHELIAL ATTACHMENT

DENTAL PAPILLA – PULP, DENTIN

DENTAL FOLLICLE –PERIODONTAL ATTACHMENT APPARATUS –CEMENTUM, PDL, AND ALVEOLAR BONE PROPER

DENTAL LAMINA

BUD STAGE

CAP STAGE

BELL STAGE

THE DENTINOGENESIS AND THE DEVELOPMENT OF THE APITHELIAL ATTACHMENT

PRIMARY EPITHELIAL ATTCHMENT

OUTER ENAMEL APITHELIUM

INNER ENAMEL EPITHELIUM

CERVICAL LOOP

AMELOBLASTS

STELLATE RETICULUM

STRATUM INTERMEDIUM

INNER ENAMEL EPITHELIUM

AMELOBLASTS

ENAMEL

DENTIN

DENTAL PAPILLA

PRIMAER EPITHELIAL ATTACHMENT

HEMIDESMOSOMES

JUNCTIONAL EPITHELIUM ON THE ERUPTED TOOTH

E – ENAMEL

REE - REDUCED ENAMEL EPITHELIA

OE – ORAL EPITHELIUM

JE - JUNCTIONAL EPITHELIUM

C - CEMENTUM

AC - AFIBRILLA R- ACELLULAR CEMENTUM

CEJ-CEMENTOENAMELJUNCTION

THE DEVELOPMENT OF THE PRIMITIVE ROOT

OB – ODONTOBLAST

D – DENTIN

RS – HERTWIG’S EPTHELIAL ROOT SHEATH

GINGIVAL SULCUS AND JUNCTIONAL EPITHELIUM AT THE MOST CORONAL LEVEL

EM PICTURE OF JUNCTIONAL EPITHELIUM WITH EMMIGRATING PMN LUKOCYTES

THE JUNCTIONAL EPITHELIUM AT THE MOST APICAL LEVEL

EM PICTURE OF THE EPITHELIAL ATTACHMENT

SULCULAR FLUID

•FROM NORMAL GINGIVA IS MINIMAL AND RATHER A TRANSSUDATE

•THE MORE INFLAMMED THE GINGIVA THE MORE SULCULAR FLUID IS PRODUCED

•THAN IT IS A TYPICAL INFLAMMATORY EXUDATE

•WITH IgG, IgM, IgA, COMPLEMENT, FIBRONECTIN, PMN LEUKOCYTES

SULCULAR FLUID

•DEFENSIVE MECHANISMS

•LUMBRICATING EFFECT

•EPITHELIAL DESQUAMATION

•IMMUNOGLOBULINS

•COMPLEMENT

•PMN LEUKOCYTES BARRIER

•CHRONIC INFLAMMATORY REACTION

ORAL EPITHELIA

THE TURN OVER OF THE STRATIFIED SQUAMOUS EPITHELIA

THE OLD BASAL CELLS (OB) ARE TRAVERSING INTO THE SPINOCELLULAR LAYER AND DIFFERENCIATED TO PRICKLE CELLS

STRATIFIED SCQUAMOUS EPITHELIUM WITH PARAKERATINIZATION

THE SPECIAL ORIENTATION OF THE TRANSSEPTAL DENTOGINGIVAL FIBERS

CLINICAL CRITERIA OF NORMAL GINGIVA

•COLOR

•SURFACE

•FORM

•CONSISTENCY

•SULCUS EXUDATE

•SULCUS BLEEDING