背景:将牙齿从口腔的一个区域移植到另一个区域被称为自体牙齿移植。这是恢复年轻患者牙槽骨发育的一个很好的选择,因为它使用患者自己的牙齿作为替代品,而不是假牙。这项研究旨在评估疼痛,感染,移动性,再吸收,强直,通过立即自体移植无功能的下颌阻生第三磨牙来替代下颌不可恢复的磨牙的成功率。
方法:在这项体内研究中,选择了20名年龄在22至50岁之间的患者。选择第一或第二下颌磨牙不可修复且具有受影响的第三磨牙进行移植的情况。在所有情况下,提取了不可恢复的磨牙,并用无功能的磨牙代替,影响第三磨牙。对所有病例进行疼痛评估,感染,移动性,强直,和吸收在术后第二周,一个月,第三个月,还有六个月.疼痛采用视觉模拟量表(VAS)进行评估,通过化脓性分泌物的存在来评估感染,在牙齿运动的临床检查中评估了活动性,强直在影像学上被认为是牙周膜间隙的闭塞,并且在射线照相上观察到硬膜层的不存在和吸收,这是在根部表面的射线透过性。将所有读数制成表格并进行统计分析。
结果:发现疼痛在两周时最大,在六个月时最小。在所有时间间隔都没有看到感染。流动性随着时间的推移而降低。没有明显的强直或吸收。在这20个案例中,4例患者因吸收和3级活动度需要拔除.一名患者表现为强直。自体移植的成功率为75%。15例患者表现出明确的硬膜,无强直或吸收。
结论:自体移植是一种有价值的牙齿替代选择,而且更经济,特别是当提供适当的案例选择。
BACKGROUND: Transplanting a tooth from one area of the mouth to another is known as autogenous tooth transplantation. It is a great choice for restoring young patients\' teeth with developing alveolar bone because it uses the patient\'s own tooth as the replacement rather than a false one. This study aims to evaluate pain, infection, mobility, resorption, ankylosis, and success rate in the replacement of mandibular non-restorable molars through an immediate autotransplantation of the nonfunctional impacted mandibular third molar.
METHODS: In this in vivo study, 20 patients between the ages of 22 and 50 were selected. The cases in which the first or second mandibular molar was nonrestorable and had an impacted third molar for transplantation were selected. In all the cases, the nonrestorable molar was extracted and replaced with a nonfunctional, impacted third molar. All the cases were evaluated for pain, infection, mobility, ankylosis, and resorption at the postoperative second week, one month, third month, and six months. The pain was assessed on the visual analog scale (VAS), infection was assessed by the presence of purulent discharges, mobility was assessed on a clinical examination of tooth movements, ankylosis was seen radiographically as the obliteration of the periodontal ligament space, and the absence of the lamina dura and resorption were seen radiographically as radiolucency on the root surface. All the readings were tabulated and statistically analyzed.
RESULTS: Pain was seen to be maximal at two weeks and minimum at six months. Infection was not seen at all time intervals. Mobility was reduced with time. There was no significant ankylosis or resorption. Out of the 20 cases, four patients required extractions due to resorption and grade 3 mobility. One patient showed ankylosis. The success rate of the autotransplantation was 75%. Fifteen patients showed well-defined lamina dura without ankylosis or resorption.
CONCLUSIONS: Autotransplantation is a valuable tooth replacement option and more economical, especially when provided with proper case selection.