Yuan Kui-Feng, Lai Qing-Guo, Li Den-Ren, Xia Ying-Feng, Cui Yong-Xin
Department of Oral and Maxillofacial Surgery, Second Hospital of Shandong University, Jinan 250033, China.
Shanghai Kou Qiang Yi Xue. 2006 Oct;15(5):497-9.
To observe the clinical effects of low intensity ultrasound in extraction of totally impacted third molars.
40 patients with totally impacted third molars on both sides of the mandible verified by X-ray were selected. After extraction of the teeth, the socket on one side was treated with low intensity ultrasound while the other side underwent no treatment. Statistical analysis was performed with SPSS 10.0 on all patients in form of pain, swelling, dry socket and bone healing.
In the experimental group, 4 patients complained of severe pain while 16 patients in the control group (P < 0.05). Moderate or severe swelling were not uncommon in both experimental and control groups (P > 0.05); No patients suffered from dry socket in the experimental group and 4 patients suffered from dry socket in the control group (P < 0.05); There were 35 patients with complete bone healing in the experimental group while 21 patients with complete bone healing in the control group (P < 0.01).
The use of low intensity ultrasound in extraction of totally impacted mandibular third molars reduced the severity of post-operative pain and the incidence dry socket, and it also stimulated bone healing, but it showed no effect on relieving post-operative swelling.
观察低强度超声在完全埋伏阻生第三磨牙拔除术中的临床效果。
选取40例经X线片证实双侧下颌完全埋伏阻生第三磨牙患者。拔牙后，一侧牙槽窝用低强度超声处理，另一侧不做处理。采用SPSS 10.0软件对所有患者的疼痛、肿胀、干槽症及骨愈合情况进行统计学分析。
试验组有4例患者诉疼痛剧烈，而对照组有16例（P < 0.05）。试验组和对照组中、重度肿胀均较为常见（P > 0.05）；试验组无干槽症患者，对照组有4例发生干槽症（P < 0.05）；试验组有35例患者骨完全愈合，对照组有21例患者骨完全愈合（P < 0.01）。
在完全埋伏阻生下颌第三磨牙拔除术中应用低强度超声可减轻术后疼痛程度，降低干槽症发生率，促进骨愈合，但对减轻术后肿胀无作用。
