(1) Owing to the different retention modes, submaxilla anterior guidance activator can be classified as removable appliance and fixed appliance.

(2) When deciduous teeth began to sprout , submaxilla starts to search for physical position.

(3) After submaxilla antedisplacement, direction and distance of hyoid bone is a view point of curing OSAHS patients.

(4) Objective To observe the effect of Chinese and western medical film on operculitis of submaxilla wisdom tooth.

(5) Conclusion This is a case of eumycetoma on the submaxilla induced by a novel species of Madurella.

(6) Conclusion Chinese and western medical film has a reliable curative effect on operculitis of submaxilla wisdom tooth and is worth to spread in clinic.