Introduction oral medicine-primary & sec lesions ( modify)
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Transcript of Introduction oral medicine-primary & sec lesions ( modify)
OMR, CODS, DVG
Oral Medicine & Radiology
Oral
Diagnosis
Oral
MedicineOral
Radiology
OMR, CODS, DVG
Oral Diagnosis is defined as an art and science of
identifying an oral disease from its symptoms and signs.
OMR, CODS, DVG
Definitions
Oral Medicine is defined as that branch of dentistry
which deals with:
1. Diagnosis, treatment and prevention of:
a. Oral mucosal diseases
b. Local oral diseases
c. Oral manifestations of systemic diseases
2. Dental management of physiologically compromised
patients.
Oral Radiology is defined as a science composed of
technical and interpretative procedures that
interdependently result in useful diagnostic data.
Oral Radiography is defined as an art and science of
producing photographic image of oral tissues through
use of x-radiation.
OMR, CODS, DVG
Reading Material
Lecture notes
Burket’s Oral Medicine
by Malcolm Lynch, 8th / 9th Edition
Oral Radiology: Principles & Interpretation
by Goaz & White, 2nd / 3rd Edition
Differential Diagnosis of Oral Lesions
by Goaz & Wood, 2nd / 3rd Edition
OMR, CODS, DVG
Oral Medicine is defined as that branch of
dentistry which deals with:
1. Diagnosis, treatment and prevention of:
a. Oral mucosal diseases
b. Local oral diseases
c. Oral manifestations of systemic
diseases
2. Dental management of physiologically
compromised patients.
OMR, CODS, DVG
Oral Medicine
• Oral manifestations of systemic diseases
• Dental management of physiologically
compromised patients.
Oral mucosal
diseases
Local oral
diseases
OMR, CODS, DVG
CLASSIFICATION OF ORAL DISEASESSome ways of classifying oral diseases :
~ Based on etiologye.g. viral, traumatic
~ Based on the pathological process involved e.g. inflammatory, neoplastic
~ Based on symptomse.g. recurrent, painful conditions, tumorous conditions
~ Based on clinical appearance of lesions e.g. ulcerative, vesicular, erosive
~ Based on origine.g. developmental, acquired
OMR, CODS, DVG
“A lesion is a localized area of disease or injury in any organ or tissue of the body”
ORAL SOFT TISSUE LESIONS
WHITE
ULCER
EXOPHYTIC
YELLOW DRAINING
and PITS
BROWNISH,
BLUISH
or BLACKRED
KeratoticNecrotic
Solitary Generalized Tongue
OMR, CODS, DVG
ORAL SOFT TISSUE LESIONS
WHITE
ULCER
EXOPHYTIC
YELLOW DRAINING
and PITS
BROWNISH,
BLUISH
or BLACKRED
KeratoticNecrotic
Solitary Generalized Tongue
Leukoplakia, Lichen
planus, BurnsAphthous, Traumatic,
Malignant
Erythroplakia, Acute
atrophic candidiasis,
Glossitis
Fibroma, Mucocele,
Tori, Pyogenic
granuloma
Fordyce’s granules,
Lipoma, Jaundice,
CarotenemiaMelanoma,
Mucocele, Petechiae
& ecchymoses
Lip pits,
Draining abscess,
Oro-antral fistula
OMR, CODS, DVG
Another way of classifying oral lesions :
PRIMARY LESION
SECONDARY LESION
Macule, Plaques, Papule, Patch
Nodule, Tumor
Vesicle, Bulla, Pustule
Petechia, Ecchymosis
Macule: Sharply circumscribed discoloration (flat) up to 1 cm in diameter
Patch: Sharply circumscribed discoloration (flat) more than 1 cm in diameter
Papule: Well circumscribed, solid, flat-topped raised lesion up to 1 cm in diameter
Plaque: Well circumscribed solid raised lesion more than 1 cm in diameter
Nodule: Well circumscribed solid, rounded projection up to 1 cm in diameter
Tumor: Well circumscribed solid, rounded projection more than 1 cm in diameter
Vesicle: Sharply circumscribed serous fluid-filled elevation up to 1 cm in diameter
Bulla: Sharply circumscribed serous fluid-filled elevation more than 1 cm in diameter
Vesicle: Sharply circumscribed serous fluid-filled elevation up to 1 cm in diameter
Bulla: Sharply circumscribed serous fluid-filled elevation more than 1 cm in diameter
Vesicle: Sharply circumscribed serous fluid-filled elevation up to 1 cm in diameter
Bulla: Sharply circumscribed serous fluid-filled elevation more than 1 cm in diameter
Pustule: Sharply circumscribed pus-filled elevation similar to vesicle or bulla
Petechiae: Sharply circumscribed deposit of blood or blood pigments up to 1 cm in diameter
Ecchymosis: Sharply circumscribed deposit of blood or blood pigments more than 1 cm in diameter
Petechiae: Sharply circumscribed deposit of blood or blood pigments up to 1 cm in diameter
Ecchymosis: Sharply circumscribed deposit of blood or blood pigments more than 1 cm in diameter
OMR, CODS, DVG
Another way of classifying oral lesions :
PRIMARY LESION
SECONDARY LESION
Erosion, Ulcer, Scar
Infiltration
Erosion: Loss of superficial layers of epithelium
Ulcer: Break in the continuity of the epithelium (deeper than an erosion)
Scar: Deposit of highly fibrous tissue subsequent to ulcer or injury
Infiltration: Extension of the primary lesion into the deeper tissue causing fixity or induration
“Colour Atlas of Oral Diseases”George Laskaris
2nd Edition, 1994
OMR, CODS, DVG
DESCRIPTION OF A DISEASE PROCESS
Definition
Etiology & Pathogenesis
Epidemiology
Clinical Features : age, sex, site, symptoms & signs
Radiographic Features
Histological Features
Investigations, Diagnosis & Differential Diagnosis
Treatment & Prognosis
Etiology & Pathogenesis
Clinical Features : age, sex, site, symptoms & signs
Radiographic Features
Investigations, Diagnosis & Differential Diagnosis
Treatment & Prognosis