Abstract
Trauma in the oral territory is suitable for the field of the c linical ambulant. There are many cases in which there is difficulty with the epithesis fixing method specially in the case of the primary anterior teeth in trauma of the lower age child and immature anterior teeth trauma. We applied epithesis fixation using the aspiration conformer mouth guard for the primary anterior teeth and immature permanent anterior teeth dislocated by the trauma. For the epithesis fixation with trauma of the primary anterior teeth and the immature permanent anterior teeth, fixation using the aspiration conformer mouth guard which can be fabricated comparatively easily because fixation by the wire splint is difficult, is thought to be useful for the primary anterior teeth and immature permanent anterior teeth.