II. Recurrent Aphthous Ulcer 1. Preface ●Name recurrent aphthous ulcer RAU recurrent aphthous stomatitis RAS recurrent oral ulcer ROU NEXT
II.Recurrent Aphthous Ulcer 1.Preface • Name recurrent aphthous ulcer RAU recurrent aphthous stomatitis RAS recurrent oral ulcer ROU NEXT
Typing Lehners classification minor aphthous ulcer (MIAU) major aphthous ulcer (mau) herpetiform ulcer (Hu) ● Characteristic recidivity self-healing periodicity NEXT
• Typing Lehner’s classification minor aphthous ulcer （MiAU） major aphthous ulcer （MjAU） herpetiform ulcer （HU） • Characteristic recidivity self-healing periodicity NEXT
2. Etiology unknown immunity cellular immunity, humoral immunity, complement, autoantibody heritage ● infection:Hsv environment: psychology NEXT
2. Etiology unknown • immunity : cellular immunity, humoral immunity, complement, autoantibody • heritage • infection ：HSV • environment: psychology NEXT
e denutrition: iron, copper, inc, folic acid Vit B12 hyperoxide dismutase microcirculation disturbance lip nail, apex linguae systemic factor: ulceration of stomach、 hepatitis, colonitis、 diarrhoea NEXT
• denutrition ：iron, copper, zinc, folic acid, Vit B12 • hyperoxide dismutase • microcirculation disturbance ：lip, nail, apex linguae • systemic factor ：ulceration of stomach、hepatitis、colonitis、diarrhoea NEXT
3. Clinical features minor aphthous ulcer major aphthous ulcer herpetiform ulcer NEXT
3. Clinical features minor aphthous ulcer major aphthous ulcer herpetiform ulcer NEXT