ALL TISSUE LINING THE ORAL CAVITY IS KNOWN COLLECTIVELY AS
ORAL MUCOSA
ORAL MUCOSA IS COMPOSED OF -
STRATIFIED SQUAMOUS EPITHELIUM OVERLYING THE LAMINA PROPRIA OF CONNECTIVE TISSUE PROPER
____ ____ LIES BETWEEN THE EPTIHELIUM AND THE CONNECTIVE TISSUE
BASEMENT MEMBRANE
THESE ARE FOUND IN MANY AREAS OF THE ORAL MUCOSA
SALIVARY GLAND DUCTS
T/F: ORAL MUCOSA IN DIFFERENT REGIONS DIFFER IN FINE STRUCTURE
TRUE
3 CLASSIFICATIONS OF ORAL MUCOSA
LINING MUCOSA
MASTICATORY MUCOSA
SPECIALIZED MUCOSA
NEEDS TO BE "STRETCHABLE"
LINING MUCOSA
NONKERATINIZED STRATIFIED SQUAMOUS EPITHILIUM
LINING MUCOSA
HAS A SOFTER SURFACE TEXTURE AND MOIST SURFACE
LINING MUCOSA
THESE MAY BE SEEN ON LABIAL AND BUCCAL MUCOSA
FORDYCE'S SPOTS(OR GRANULES)
THIS CUSHIONS THE UNDERLYING TISSUE AND THE CONNECTIVE TISSUE CONTAINS ELASTIC FIBERS. THE SUBMUCOSA IS DEEP TO LAMINA PROPRIA
LINING MUCOSA
T/F: THE LINING MUCOSA IS FLEXIBLE AND COMPRESSIBLE-THE INTERFACE THAT IS BETWEEN THE EPITHELIUM AND CONNECTIVE TISSUE IS SMOOTHER WITH FEWER RETE PEGS
TRUE
THE LINING MUCOSA INCLUDES...
BUCCAL MUCOSA
LABIAL MUCOSA
ALVEOLAR MUCOSA
FLOOR OF THE MOUTH
VENTRAL SURFACE OF TONGUE
SOFT PALATE
FOOD CONTACTS THIS ORAL MUCOSA
MASTICATORY MUCOSA
KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM
MASTICATORY MUCOSA
TOUGH, RUBBERY TEXTURE, FIRM AND FLEXIBLE
MASTICATORY MUCOSA
THE INTERFACE IS HIGHLY INTERDIGITATED, HAS MANY RETE PEGS, AND THE SUBMUCOSA IS THIN OR ABSENT
MASTICATORY MUCOSA
THE MASTICATORY MUCOSA INCLUDES:
ATTACHED GINGIVA
HARD PALATE
DORSAL SURFACE OF THE TONGUE
LINGUAL PAPILLAE ON THE DORSAL AND LATERAL SURFACE OF THE TONGUE
SPECIALIZED MUCOSA
THIS IS A BARRIER TO BACTERIAL INCASION, MECHANICAL IRRITATION AND DESICCATION(DRYING OUT)
EPTIHELIUM OF THE ORAL MUCOSA
3 TYPES OF EPITHELIUM OF ORAL MUCOSA
NONKERATINIZED
ORHTOKERATINIZED
PARAKERATINIZED
FOUND IN THE LINING MUCOSA
NONKERATINIZED STRATIFIED SQUAMOUS EPITHELIUM
FOUND IN BUCCAL, LABIAL, ALVEOLAR, SOFT PALATE, AND MUCOSA OF THE FLOOR OF THE MOUTH
NONKERATINIZED STRATIFIED SQUAMOUS EPITHELIUM
MOST COMMON TYPE OF EPITHELIUM IN THE ORAL CAVITY
NONKERATINIZED STRARIFIED SQUAMOUS EPTIHELIUM
3 LAYERS OF NONKERATINIZED STRATIFIED SQUAMOUS EPITHELIUM
BASAL LAYER
INTERMEDIATE LAYER
SUPERFICIAL LAYER
DEEPEST LAYER OF THE NONKERATINIZED EPITHELIUM OF ORAL MUCOSA-SINGLE LAYER OF CUBOIDAL EPITHILIUM ADJACENT BASEMENT MEMBRANE
BASAL LAYER
STRATUM INTERMEDIUM
INTERMEDIATE LAYER
MULTIPLE LAYERS OF LARGER POLYHEDRAL CELLS-HAS MORE FLUID IN THE CYTOPLASM. IT CANNOT DIVIDE - FORMS THE BULK OF THE EPITHELIUM LAYER
INTERMEDIATE LAYER
BULK OF THE EPITHILIAL LAYER
INTERMEDIATE LAYER
STRATUM SUPERCFICIAL
SUPERFICIAL LAYER
MULTIPLE LAYERS OF POLYHEDRAL CELLS-(LARGER THAN INTERMEDIATE LAYER
SUPERFICIAL LAYER
THE OUTER LAYERS FLATTEN INTO SQUAMES WHICH DIE AND SHED
SUPERFICIAL LAYER
FOUND IN THE HARD PALATE AND ATTACHED GINGIVA
ORTHOKERATINIZED STRATIFIED SQUAMOUS EPITHELIUM
FOUND IN THE MASTICATORY MUCOSA
ORTHOKERATINIZED
LEAST COMMON TYPE EPITHELIUM FOUND IN THE ORAL CAVITY
ORTHOKERATINIZED
4 LAYERS OF ORHTOKERATINIZED EPITHELIUM
1. BASAL LAYER (STRATUM BASALE)
2. PRICKLE CELL LAYER(STRATUM SPINOSUM)
3. GRANULAR LAYER(STRATUM GRANULOSUM)
4. KERATIN LAYER(STRATUM CORNEUM)
STRATUM SPINOSUM
PRICKLE CELL LAYER
FORMS THE BULK OF THE ORTHOKERATINIZED EPITHELIUM
PRICKLE CELL LAYER
STRATUM GRANULOSUM
GRANULAR LAYER
3-5 LAYERS OF FLATTENED CELLS- CONTAINS GRANULES OF KERATOHYALIN
GRANULAR LAYER
PRECURSOR OF KERATIN
GRANULAR LAYER
STRATUM CORNEUM
KERATIN LAYER
MORE SUPERFICIAL LAYER-HAS VARIABLE THICKNESSES WITH FLATTENED CELLS - NO NUCLEI AND PACKED WITH KERATIN
KERATIN LAYER
T/F: THE KERATIN LAYER IS CONSTANTLY BEING SHED AND RENEWED
TRUE
TYPE OF EPITHELIUM THAT IS ALSO FOUND IN THE MASTICATORY MUCOSA
PARAKERATINIZED STRATIFIED SQUAMOUS EPITHELIUM
FOUND IN THE ATTACHED MORE SO THAN IN THE ORTHOKERATINIZED
PARAKERATINIZED
FOUND IN THE DORSAL OF THE TONGUE-LINGUAL PAPILLAE
PARAKERATINIZED STRATIFIED SQUAMOUS EPITHELIUM
UNIQUE TO THE OREAL CAVITY
PARAKERATINIZED
IS CONSIDERED IN A DISEASE STATE WHEN SEEN IN THE SKIN
PARAKERATINIZED
OFTEN HAS SAME LAYERS AS THE ORHTOKERATINIZED-THE GRANULAR LAYER MAY BE ABSENT
PARAKERATINIZED
T/F: THE MAIN DIFFERENCE IN THE KERATIN LAYER-THE CELLS RETAIN NUCLEI AS WELL AS KERATIN
TRUE
CONNECTIVE TISSUE LAYER THAT IS FOUND BENEATH ALL TYPES OF EPITHELIUM IN THE ORAL MUCOSA
LAMINA PROPRIA
COLLAGEN FIBERS ARE MOST COMMON ALTHOUGH ELASTIC FIBERS ALSO OCCUR
LAMINA PROPRIA
2 LAYERS OF LAMINA PROPRIA
PAPILLARY LAYER
DENSE LAYER
MORE SUPERFICAL LAYER-LOOSE CONNECTIVE TISSUE WITH EQUAL AMOUNTS OF FIBERS CELLS AND INTERCELLULAR SUBSTANCES-CONTAINS RETE PEGS
PAPILLARY LAYER
FINGER LIKE
PAPILLARY
DEEPER TO LAMINAL PROPRIA-PACKED WITH COLLAGEN FIBERS
DENSE LAYER
HAS MORE PADDING - AND LARGE AMOUNTS OF FIBERS
DENSE LAYER
NETWORK...
PLEXUS
CAPILLARY NETWORK BETWEEN PAPILLARY AND DENSE LAYERS
CAPILLARY PLEXUS
SUPPLIES ALL OF MUCOSA-INCLUDING PAPILLAE OF THE PAPILLARY LAYER
CAPILLARY PLEXUS
LAYER OF LOOSE CONNECTIVE TISSUE-DEEP TO DENSE LAYER-MAY CONTAIN ADIPOSE TISSUE OR SALIVARY GLANDS
SUBMUCOSA
T/F:THE LAMINA PROPRIA OF LINING MUCOSA HAS MANY PAPILLAE AND RETE PEGS-CONTAINS MOSTLY COLLAGEN AND MORE FIRM THAN LINING MUCOSA
TRUE
HAS FEW PAPILLAE OR RETE PEGS-OFTEN CONTAINS ELASTIC FIBERS-MORE FLEXIBLE THAN THE MASTICATORY
LAMINA PROPRIA OF LINING MUCOSA
CONNECTIVE TISSUE DOES OT REGENERATE-REPAIRS BY COLLAGEN REPLACEMENT-AND IT ALWAYS SCARS
TRUE
T/F: THE EPITHELIA WILL REPLACE ITSELF BY REGENERATION WITH NO SCARING
EPITHELIUM IS THICK BUT NONKERATINIZED-LAMINA PROPRIA HAS EXTENSIVE VASCULAR SUPPLY-WITH IRREGULAR PAPILLAE-SOME ELASTIC FIBER AS WELL AS COLLAGEN
LINING MUCOSA
REDDISH-PINK, SHINY, MOIST, VERY FLEXIBLE TISSUE
CLINICAL APPEARANCE OF ALVEOLAR MUCOSA
THN AND NONKERATINIZED-RICH VASCULAR SUPPLY-FEW CONNECTIVE TISSUE PAPILLAE-MANY ELASTIC FIBERS-
HISTOLOGICAL APPEARANCE OF ALVEOLAR MUCOSA
OPAQUE WATERPROOF SUBSTANCE
KERATIN
REDDISH PINK WITH BLUE VENOUS AREA-MOIST SHINY AND COMPRESSIBLE
CLINICAL APPEARANCE OF THE FLOOR OF THE MOUTH AND VENTRAL TONGUE SURFACE(LINING MUCOSA)
VERY THIN NONKERATINIZED EPITHELIUM WITH OBVIOUS VEINS-CONTAINS ADIPOSE TISSUE AND SUBMANDIBULAR AND SUBLINGUAL GLANDS IN THE FLOOR OF THE MOUTH
FLOOR OF THE MOUTH - VENTRAL TONGUE SURFACE
DEEP PINK WITH YELLOWISH HUE MOIST FLEXIBLE TISSUE
CLINICAL APPEARANCE OF THE SOFT PALATE
THIN NONKERATINIZED EPITHELIUM WITH A THICK LAMINA PROPRIA-NUMEROUS CONNECTIVE TISSUE PAPILLAE AND DISTINCT ELASTIC LALYER
HISTOLOGICAL APPEARANCE OF THE SOFT PALATE
PINK FIRM IMMOBILE MAY HAVE STIPPLING OR ORANGE PEEL APPEARANCE. MUCOGINGIVAL JUNCTION APPEARS AS SCALLOPED LINE BETWEEN PINKER ATTACHED GINGIVA AND REDDER ALVEOLAR MUCOSA
CLINICAL APPEARANCE OF ATTACHED GINGIVA
THICK PARAKERATINIZED EPITHELIUM-LAMINA PROPRIAHAS MANY CONNECTIVE TISSUE PAPILLAE NO SUBMUCOSA
HISTO APPEARANCE OF ATTACHED GINGIVA
PINK FIRM IMMOBILE TISSUE-INCLUDING PALATAL RUGAE AND MEDIANE PALATINE RAPHE
HARD PALATE
THICK LAYER OF ORHTOKERATINIZED EPITHELIUM-OVERLYING THICK LAMINA PROPRIA-NO SUBMUCOSA IN THE MIDDLE OF PALATE CONTAINS SALIVARY GLANDS
BOTH ORTHO. AND PARA. EPITHELIUM-OCCURS AS LINGUAL PAPILLAE AND INCLUDES 4 TYPES
SPECIALIZED MUCOSA
4 TYPES OF LINGUAL PAPILLAE
FILIFORM
FUNGIFORM
FOLIATE
CIRCUMVALLATE
BARREL SHAPE TASTE ORGANS DERIVED FORM EPITHELIUM-SWEET SOUR SALTY OR BITTER
TASTE BUDS
CONE SHAPE 2-3mm LONG-MOST COMMON TYPE ON DORSAL SURFACE-NO TASTE BUDS
FILIFORM
REDDISH MUSHROOM-SHAPED DOTS ON THE DORSAL SURFACE-LESS COMMON THAN THE FILIFORM-CONTAINS TASTE BUDS
FUNGIFORM
VERICAL PARALLEL RIDGES ON POSTERIOR LATERAL SURFACE-CONTAINS TASTE BUDS-FOUND TOWARD THE BACK OF THE TONGUE
FOLLATE
7-15 LARGE MUSHROOM SHAPE STRUCTURES THAT LIE WITHIN THE CIRCULAR TROUGHS JUST ANTERIOR TO SULCUS TERMINALIS-CONTAINS TASTE BUDS-ALSO SALIVARY GLANDS(VON EBNER'S SALIVARY GLANDS)
CIRCUMVALLATE
WHERE NONKERATINIZED EPITHELIUM RESPONDS TO FRICTIONAL OR CHEMICAL TRAUMA
HYPERKERATINIZATION
FOUND IN PATIENTS WHO HAVE HABITS SUCH AS CLENCHING OR GIRNDING
HYPERKERATINIZED
T/F:HYPERKERATINIZED TISSUE MAY BE MORE DANGEROUS IN SMOKERS OR DRINKERS OF ALCHOL
TRUE
COMMONLY FOUND LESIONS ASSOCIATED WITH THE LINGUAL PAPILLAE
GEOGRAPHIC TONGUE
BLACK HAIRY TONGUE
PINK TO WHITE PATCHES ON THE BODY OF THE TONGUE-SHOWS SENSITIVITY OF THE PAPILLAE TO CHANGES IN THE ENVIRONMENT
GEOGRAPHIC TONGUE
NORMAL SHEDDING OF EPITHELIUM DOES NOT OCCUR-A THICK LAYER OF DEAD CELLS BUILD UP AND BECOMES EXTRINSICALLY STAINED BY TOBACCO, MEDS, OR ORAL BACTERIA
BLACK HAIRY TONGUE
HEALING TIME OF TRAUMA TO ORAL MUCOSA IS APPROXIMATELY....
2 WEEKS
DENTAL PROFESSIONALS SHOULD WAIT APPROXIMATELY _____ TO UNDERGO HEALING BEFORE OBTAINING A REFERRAL
