口腔黏膜课件

1、next口腔粘膜溃疡类疾病oral ulcerative diseasesback to indexintroductionbehets diseasetraumatic ulcer & traumatic bullarecurrent aphthous ulcersummary & questionsbackreiters syndrome i. introduction1.ulcers are one of the most common types of lesions seen in oral mucosa. 2. the difference between ulce

2、r and erosion. nextulcererosionnextulcererosioncontinuity of epitheliumbroken severesuperficial basal cellsinvolvedfreeborderclearuncleardiseasesraubehcets diseasesyphilis pemphigusherpes simplex backcomparisonii.recurrent aphthous ulcer1.preface name recurrent aphthous ulcer rau recurrent aphthous

3、stomatitis ras recurrent oral ulcer rounext typing lehners classification minor aphthous ulcer （miau） major aphthous ulcer （mjau） herpetiform ulcer （hu） characteristic recidivity self-healing periodicitynext2. etiology unknown immunity : cellular immunity, humoral immunity, complement, autoantibody

4、heritage infection ：hsv environment: psychologynext denutrition ：iron, copper, zinc, folic acid, vit b12 hyperoxide dismutase microcirculation disturbance ：lip, nail, apex linguae systemic factor ：ulceration of stomach、hepatitis、colonitis、diarrhoeanext3. clinical features minor aphthous ulcer major

5、aphthous ulcer herpetiform ulcernextnextmiaumjauhufeatureyellow red concave painful small (2-4mm)big (1-3cm) deep scarmultiple smallcourse7-10 days3-6 weeks7-10 daysnumber 1-51 10positionnonkeratinized oral mucosa soft palatetongue lip mouth floorsystemic symptomlymph nodes swelling fever headache l

6、ymph nodes swelling minor aphthous ulcersnextnextnextmiaumjauhufeatureyellow red concave painful small (2-4mm)big (1-3cm) deep scarmultiple smallcourse7-10 days3-6 weeks7-10 daysnumber 1-51 10positionnonkeratinized oral mucosa soft palatetongue lip mouth floorsystemic symptomlymph nodes swelling fev

7、er headache lymph nodes swelling major aphthous ulcers next periadenitis mucosa necrotica recurrens nextmajor aphthous ulcers nextmiaumjauhufeatureyellow red concave painful small (2-4mm)big (1-3cm) deep scarmultiple smallcourse7-10 days3-6 weeks7-10 daysnumber 1-51 10positionnonkeratinized oral muc

8、osa soft palatetongue lip mouth floorsystemic symptomlymph nodes swelling fever headache lymph nodes swelling herpetiform ulcers nextdisease-process24h10d-14doutbreaknextintermissionhealingprodromal stageulcerative stage5. diagnosis history clinical featurenext4. pathology ： nonspecific inflammation

9、6. differential diagnosis benign ulcer & malignant ulcer necrotizing sialadenometaplasia, behets disease, herpes simplex, hand-foot-and-mouth disease nextbenign ulcermalignant ulcerageyouththe ageddepthdeepdeep or shallowself-healingyesnosystemic conditiongoodcachexypathologychronic inflammation

10、cancerrecurrenceyesnocomparison next7. treatment principle：symptomatic treatment evaluation of curative effectnext topical application of a steroid ointment reduces discomfort and decreases the duration of the lesions. topical anesthetics, antibiotics, mouthwashes, etc., have been used. in severe ca

11、ses, intralesional steroid injection or systemic steroids in a low dose (10-20 mg prednisone) for 5-10 days reduce the pain dramatically. backiii. behets disease1. preface hulusi behet (1937) behets disease is a chronic multisystemic inflammatory disorder of uncertain cause and prognosis. 2. etiolog

12、y unknown next3. clinical features 1) oral mucosa: minor aphthous ulcer 2) genital lesion: ulcer 3) skin lesions: erythema nodosum, epifolliculitis, pustule after needling 4) ocular lesions: conjunctivitis, recurrent iritis 5) others systems: joint, digestive, cardiovascular, nervous, respiratory, u

13、rinarynextbehets diseasenext4. pathology ： histopathologic changes consist of a perivascular mononuclear cellular infiltrate, endothelial cell swelling or necrosis, partial luminal obliteration and occasional fibrinoid necrosis of the vessels. next5. diagnosis 1) recurrent oral ulceration 2) recurre

14、nt genital ulceration 3) eye lesions 4) skin lesions 5) positive pathergy test to establish the diagnosis of behets disease, recurrent oral ulceration plus any two of the other four major clinical criteria must be present. next6. differential diagnosisnextrau herpetic atomatitis crohns diseasereiter

15、s syndromestevens-johnson syndrome7. treatment symptomatic in mild cases. systemic steroids, immunosuppressive drugs, colchicines, thalidomide, and dapsone are administered in severe cases. backiv. traumatic ulcer traumatic bulla1. preface because of the constant motion of the masticatory mucosa ove

16、r the teeth and the introduction of hard objects into the oral cavity, traumatic ulcers are frequent.next2. etiology mechanical factors: a sharp or broken tooth, rough fillings, clumsy use of cutting dental instruments, hard foodstuffs, sharp foreign bodies, biting of the mucosa, and denture irritat

17、ion etc.physical factors: thermal burnschemical factors: strong acid, strong base, as2o3, ag(no)3, iodophenolnext3. clinical feature1) decubital ulcer mechanical irritating factors the ulcer conforms in area and linearity to the source of the irritating factorsnextnexttraumatic ulcertraumatic ulcern

18、ext infants, hard palate improper feedingnext2) bednar ulcer3) rida-fede ulcer infants lingual frenum ulcer secondary to inferior deciduous incisornext4) factitious ulcer mentally handicapped patients or those with serous emotional problems oral self-inflicted trauma by biting, fingernails, or by th

19、e use of a sharp object tongue, lower lip, gingiva slow to heal due to perpetuation of the injury by the patient local measures and psychiatric therapy next5) chemical burn the type of chemical utilized, its concentration, and the duration whitish surfacedesquamatingpainful erosion or ulcerbone dama

20、ge healing within 1-2 weeksnextnextchemical burn6) thermal burn very hot foods, liquid, or hot metal objects palate, lips, floor of the mouth, tongue painful, red, undergoing desquamation, leaving erosions supportive treatment; self-healing in about a weeknextnextthermal burn7) traumatic bulla &

21、 traumatic hematoma caused by biting or prosthetic appliances buccal mucosa, soft palate, lips, tongue self-healing in 4-6 days nexttraumatic bullanext4. diagnosis history clinical featuresnextcarcinoma, syphilis, tubercular ulcer, major aphthous ulcerthrombocytopenia, thrombastheniapemphigus, cicat

22、ricial pemphigoid 5. differential diagnosis malignant ulcernexttraumatic ulcermjaumalignant ulcertubercular ulceretiologyfeature of ulcermorphology of ulcerpathology5. differential diagnosisback6. treatment removal of the traumatic factors topical measures nextv. reiters syndrome1. prefacereiters sy

23、ndrome is a disease of unknown cause that predominantly affects young men, 20-30 years of age. next2. etiologyunknown3. clinical feature major symptoms: nongonococcal urethritis, conjunctivitis, arthritis other symptoms: oral ulcer, circinate balanitis, keratoderma blennorrhagicumnextnextoral lesion

24、4. diagnosis history clinical criterianext5. differential diagnosis the differential diagnosis the oral lesions includes erythema multiforme, stevens-johnson syndrome, psoriasis, behets disease, geographic tongue, and stomatitis. next6. treatment it is nonspecific and symptomatic. non-steroidal anti-inflammatory drugs, salicylates, and tetracyclines may be helpful, cyclosporin, azathioprine, methotrexate, and systemic steroid in severe case. backsummary 1. to compare the characteristics of major aphthous ulcer, traumatic ulcer, carcinoma and tuberculous ulcer. (etiology, pathology,