Journal of endodontics · 2013
Application of high-frequency radio waves to direct pulp capping.
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Handa Keisuke, Koike Toshiyuki, Hayashi Keijiro, Saito Takashi
Аннотация
INTRODUCTION: In vital pulp therapy such as direct pulp capping, clinical success rates depend on achieving hemostasis in exposed pulp tissue. For hemostasis of exposed pulp tissue, gentle pressure by cotton pellets moistened with sodium hypochlorite is most commonly used. However, more rapid and reliable methods are necessary. Therefore, we focused on high-frequency radio waves (HRW).
METHODS: To evaluate reparative dentin induction by HRW, we used a rat direct pulp capping model and performed hemostasis by using HRW of several strengths, covering the pulp with calcium hydroxide as a direct capping agent. After 14 or 28 days, rats were killed, and reparative dentin and pulp inflammation were investigated histologically.
RESULTS: Radio wave-induced hemostasis required less time when compared with the control group. Reparative dentin with regularly arranged dentinal tubules was observed in the HRW group.
CONCLUSIONS: HRW induce hemostasis and produce high-quality reparative dentin and reduced pulpal inflammation.
METHODS: To evaluate reparative dentin induction by HRW, we used a rat direct pulp capping model and performed hemostasis by using HRW of several strengths, covering the pulp with calcium hydroxide as a direct capping agent. After 14 or 28 days, rats were killed, and reparative dentin and pulp inflammation were investigated histologically.
RESULTS: Radio wave-induced hemostasis required less time when compared with the control group. Reparative dentin with regularly arranged dentinal tubules was observed in the HRW group.
CONCLUSIONS: HRW induce hemostasis and produce high-quality reparative dentin and reduced pulpal inflammation.