Nakahashi Kazuyoshi, Yamamoto Kunichika, Tsuzuki Masashi, Tatebayashi Shigeru, Morimoto Yoshinari, Hirai Katsuji, Kitaguchi Katsuyasu, Furuya Hitoshi
Department of Anesthesiology, Nara Medical University, Kashihara 634-8522.
Masui. 2003 Jan;52(1):26-31.
Dental injuries are the most common reason for complaints against anesthetists. The purpose of this study was to investigate the effect of teeth protector on dental injuries during general anesthesia.
Incidence of dental injuries was evaluated retrospectively in 5,946 consecutive patients between November 1998 and October 2001. All the patients were interviewed directly at a post-anesthetic clinic.
Dental injuries were observed in 2.1% of the patients, and the injuries occurred more frequently in the patients undergoing difficult tracheal intubation. The teeth protector used in the present study was made of cellulose aceto-butylate and was produced using eruko-pressed disks molded from own teeth form. One hundred and eighty five patients (3.1%) requested teeth protectors, and none of them had their teeth injured during anesthesia.
Our results showed that the teeth protector could protect the teeth from dental injuries and increased the satisfaction with anesthesia. Preoperatively anesthesiologists should know the characteristics of patients' teeth and inform the patients of the risk of injury. We conclude that the custom-made protector might be useful and necessary to preserve the teeth from dental injuries during anesthesia.
牙齿损伤是患者投诉麻醉医生的最常见原因。本研究的目的是调查牙齿保护器在全身麻醉期间对牙齿损伤的影响。
对1998年11月至2001年10月期间连续的5946例患者的牙齿损伤发生率进行回顾性评估。所有患者均在麻醉后门诊接受直接访谈。
2.1%的患者出现牙齿损伤，且在困难气管插管患者中损伤更频繁发生。本研究中使用的牙齿保护器由乙酰丁基纤维素制成，采用根据患者自身牙齿形状压制的圆盘制作。185例患者（3.1%）要求使用牙齿保护器，且他们在麻醉期间均未发生牙齿损伤。
我们的结果表明，牙齿保护器可保护牙齿免受损伤，并提高对麻醉的满意度。术前麻醉医生应了解患者牙齿的特点，并告知患者损伤风险。我们得出结论，定制的保护器对于在麻醉期间保护牙齿免受损伤可能是有用且必要的。
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