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J Korean Acad Conserv Dent. 2004 May;29(3):226-232. Korean. Original Article.
Nam KC , Ahn SH , Kim SC , Kim DW , Lee SJ .
Department of Medical Engineering, College of Medicine, Yonsei University, Korea.
Department of Conservative Dentistry, College of Dentistry, Yonsei University, Korea.

Use of electric pulp testing elicits painful response in vital teeth. In this study, we examined the excessive time from pain feeling to stimulation disconnection in clinical situation. D626D (Parkell Inc., USA.) scan type electric pulp tester was used in total of 23 young healthy individuals. Each of the right central incisors and first premolars were used as testing teeth. Stimulation disconnection was achieved by EMG in anterior belly of digastric muscle, finger span, and voice and the excessive stimulation time over the sensory threshold was recorded. As a result, we found that the short responses before the stimulation disconnection appeared following order; EMG, finger span, and voice. The EMG disconnection is suggested to be used to reduce the excessive stimulus time in electric pulp testing.

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