张结教案4

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张结教案4

  1. 1. §4.The Diseases of Oral Mucosa <ul><li>Herpes labialis </li></ul><ul><li>Herpes zoster </li></ul><ul><li>Erythema multiform </li></ul><ul><li>Leukaemia </li></ul><ul><li>Discoid lupus erythematosus(DLE) </li></ul><ul><li>Lichen planus </li></ul><ul><li>Angular stomatitis </li></ul><ul><li>Ulcers of local aetiology </li></ul><ul><li>Apthae </li></ul><ul><li>Behcet syndrome </li></ul><ul><li>Herpetic stomatitis </li></ul><ul><li>Chickenpox(varicella) </li></ul><ul><li>Singles(zoster) </li></ul><ul><li>Hand–foot–and–mouth disese </li></ul><ul><li>Herpangina </li></ul><ul><li>Tuberculosis </li></ul><ul><li>Drugs causing mouth ulcers </li></ul>
  2. 2. Herpes labialis <ul><li>Clinical features </li></ul><ul><li>Prodromal paraesthesia </li></ul><ul><li>Erythema </li></ul><ul><li>Vesicles near mucocutaneous junction of lip </li></ul>
  3. 3. Herpes zoster <ul><li>Clinical features </li></ul><ul><li>Pain and rash in trigeminal dermatome </li></ul><ul><li>Unilateral vesicles, </li></ul><ul><li>then mouth ulcers. </li></ul>
  4. 4. Erythema multiforme <ul><li>Serosanguinous excudate on ulcerated swollen lips. </li></ul><ul><li>Rashes: various but typically “target”lesions or bullae. </li></ul>
  5. 6. Leukaemia <ul><li>Clinical features </li></ul><ul><li>Recurrant labial and intraoral herpes virus infections </li></ul><ul><li>Purpura with bleeding into lesions </li></ul><ul><li>Leukaemic deposits </li></ul>
  6. 7. Lichen planus <ul><li>Clinical features </li></ul><ul><li>White striae,rarely papular lesions or plaque,or atrophic or erosive lesions on lips </li></ul>
  7. 8. Angular stomatitis <ul><li>Clinical features </li></ul><ul><li>Symmetrical erythematous fissures on skin of commissures. </li></ul>
  8. 10. Aphthae(RAS) <ul><li>Clinical features </li></ul><ul><li>Minor-small ulcer(<1mm) </li></ul><ul><li>Major-large ulcer(>1cm) </li></ul><ul><li>Herpetiform ulcers-multiple minute ulcers </li></ul>
  9. 13. Ulcers of local aetiology
  10. 15. Hand –foot–and–mouth disease <ul><li>Aetiology: Coxsackie A </li></ul><ul><li>Commom in children </li></ul><ul><li>Clinical features: </li></ul><ul><li>Incubation:2-6days </li></ul><ul><li>Oral ulcers:labial and buccal </li></ul><ul><li>Rash-maily on palm and soles </li></ul>
  11. 16. Herpangina <ul><li>Clinical features: </li></ul><ul><li>Sore throat </li></ul><ul><li>Pharyngeal ulcers </li></ul><ul><li>Resembling herpetic ulcers </li></ul>
  12. 17. Tuberculosis <ul><li>Clinical features: </li></ul><ul><li>Ulceration :usually single chronic ulcer on dorsum of tongue associated pulmonary </li></ul><ul><li>infection </li></ul>
  13. 18. Drugs causing mouth ulcers <ul><li>Clinical features </li></ul><ul><li>Chemical burns </li></ul><ul><li>Ulcerns </li></ul>
  14. 20. Main topics CEJ--- Four tooth tissues Four types of teeth How to identify a deciduous or permanent tooth ? Gingival papillae and gingival sulcus Five groups of periodontal ligament Four type tongue papillae Four principal factors of causes for caries are dental plaque , host , sugar and time .
  15. 21. <ul><ul><ul><li>Classification of pulp disease: </li></ul></ul></ul><ul><ul><ul><li>1.Pulpitis </li></ul></ul></ul><ul><li>2.Pulp Necrosis </li></ul><ul><li>3.Pulp Calcification </li></ul><ul><li>4. Internal Resorption </li></ul>
  16. 22. Definition : Dental plaque Calculus Classification of periodontal diseases
  17. 23. The width of opening mouth: 1.normal: 3.7cm permit three fingers insertion 2.slignht limitation of opening mouth: 2-2.5cm permit two fingers insertion 3.moderate limitation of opening mouth: 1-2cm permit one fingers insertion 4.severe limitation of opening mouth: <1cm one finger cannot insert 5.complete limitation of opening mouth: mouth cannot pen The mobility of the tooth: 1-degree the mobility of the tooth is within 1mm 2-degree the mobility of the tooth is between 1-2mm 3-degree the mobility of the tooth is more than 2mm or vertical loose
  18. 24. The occluding relation: 1.Central occlusion: In central occlusion, the line between upper and lower central incisors should be in the same sagittal plane; upper teeth exceed the outer space of the lower teeth; upper teeth overlap the lower teeth within one third of labial height; the horizontal distance between upper and lower teeth is less than 3mm. 2.Counter bite : the lower teeth exceed the outer space of the upper teeth. 3.Edge to edge bite : the upper and lower teeth incisal edge is touched 4.Open bite : the upper and lower teeth are partly a parting 5.Deep over bite :the upper teeth exceed the outer space of the lower teeth; upper teeth overlap the lower teeth more than one third of labial height; the horizontal distance between upper and lower teeth is more than 3mm

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