抄録
Considering an increasing number of HIV positive and hepatitis patients, it will be required to disinfect impressions of all patients with chemical solution in the future. Therefore silicon impression material will be indispensable in dental practice. However silicon impression incorporates air bubbles more readily than agar material, so that impression taking is considered to be more difficult. The jet injection technique enables an operator, including beginners and inexperienced, to perform precise impression taking of multiple teeth by himself or herself.
