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口内入路三点定位弧线截骨矫治下颌角肥大 总被引:1,自引:0,他引:1
目的:介绍一种口内入路三点定位弧线形截骨矫治下颌角肥大的新方法。方法:68例下颌角肥大矫治术,均经口内入路。充分游离下颌角周围软组织。把下颌骨升支前缘向下的延长线与下颌骨下缘的交点设为A点;咬合平面的平行线与下颌骨升支后缘的交点设为B点;原下颌角设为C点;新的下颌角设为D点。在A、B的连线上设置一条垂线,经过C点。在垂线上距C点约1~2cm处,确定D点。用摆动锯在A、D、B三点之间弧线截骨。结果:68例术后,无面神经损伤、口唇麻木、骨折、不对称等。满意率约占97%。结论:三点定位弧线形截骨法与口内外入路其它去除下颌角的方法比较。优点多,安全性大,效果好。值得推广。 相似文献
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口内入路双直线截骨法矫治下颌角肥大 总被引:9,自引:0,他引:9
目的 探讨口内入路双直线下颌角肥大截骨术的临床治疗效果.方法 采用口内切口,以拟缩进的下颌角为基点,设计双直线截骨线,截骨后磨削残端骨面,矫治下颌角肥大.结果 自2000年以来,完成手术86例,患者下颌角肥大均得到矫正,仅2例出现术后感染,经对症治疗后痊愈.随访1年,效果良好.结论 口内入路双直线截骨法能安全有效地矫治下颌角肥大,是一种简单易行的好方法. 相似文献
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目的探讨口内入路双直线下颌角肥大截骨术的临床治疗效果.方法采用口内切口,以拟缩进的下颌角为基点,设计双直线截骨线,截骨后磨削残端骨面,矫治下颌角肥大.结果自2000年以来,完成手术86例,患者下颌角肥大均得到矫正,仅2例出现术后感染,经对症治疗后痊愈.随访1年,效果良好.结论口内入路双直线截骨法能安全有效地矫治下颌角肥大,是一种简单易行的好方法. 相似文献
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下颌角截骨术与下颌角外板矢状劈开术联合矫治低角型下颌角肥大 总被引:4,自引:2,他引:2
目的:下颌角肥大有多种式术可选,对于低角型下颌角肥大,往往一种式术很难达到满意的矫治效果,本文选择了一组低角型下颌角肥大患者,来研究下颌角截骨术与下颌角外板矢状劈开术联合应用治疗低角型下颌角肥大的治疗效果。方法:选择本科室2005年8月~2005年11月间治疗的24例低角型下颌角肥大患者,完善术前检查与分析。在全麻下应用下颌角截骨术与下颌角外板矢状劈开术进行联合矫治。术后观察治疗效果,并在8周后对所有患者进行随访,调查患者满意度。结果:所有24例患者矫治后Ⅰ期愈合,所有患者下颌角角度增大,两下颌角间宽度明显减小,达到了下颌角的正常美学标准。8周后随访,所有患者均对治疗效果表示满意。结论:下颌角截骨术与下颌角外板矢状劈开术联合应用,可有效地矫治低角型下颌角肥大,使患者下颌角达到一个理想的美学标准。 相似文献
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口内入路两种方法下颌角修整术矫正脸型的临床应用 总被引:3,自引:1,他引:2
目的:探讨经口内入路不同术式矫正下颌宽大的适应证及疗效。方法:对85例下颌宽大患者随机分为两组,均采用口内入路。A组43例,全部采用摆动锯进行下颌角截骨术。B组42例,全部采用磨骨法磨除下颌角。结果:磨骨组患者较截骨组肿胀轻,恢复快。磨骨组术中出血少于截骨组。随访6个月~1年,下颌骨正位片测量显示两组患者的下颌角间距和面下三分之一宽度均变小,两组满意率均较高。结论:截骨法和磨骨法均能达到矫正面型的满意效果,但2型(外翻型下颌角)采用磨骨法较好,1型(后下突出型下颌角)和3型(复合型)截骨法效果更好。 相似文献
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内窥镜辅助下口内入路下颌角截骨术29例体会 总被引:1,自引:0,他引:1
目的探讨内窥镜辅助下口内入路下颌角截骨改脸形的手术方法。方法内窥镜辅助下,经口内入路,先用小圆钻钻孔,之后用来复锯截除下颌骨外板、摆动锯长斜形或弧形截骨。结果本组共29例患者,术后随访3个月以上,效果满意26例,不满意3例。术后伤口均Ⅰ期愈合,开口度、口型及咀嚼功能均正常,无血管损伤、下齿槽神经损伤、下颌骨意外骨折等严重并发症发生。结论内窥镜辅助下口内切口下颌角截骨重塑面部轮廓手术是安全有效的手术方法。 相似文献
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目的:下颌角截骨是面型轮廓重塑中最常见的一种手术,为了提高手术的精确性,避免不必要的损伤,我们对各种下颌角截骨术操作技巧进行探讨.方法:术前进行面部测量、下颌骨曲面断层X线和头颅正侧位定位X线片投影测量,设计截骨线和去骨量,术式选择口内切口下颌角截骨术、口内切口下颌角外板矢状劈开截骨术、耳后切口下颌角截骨术、耳后和口内联合切口下颌角截骨术;结果:面下部过宽同时下颌角肥大者单纯下颌角截骨效果往往不会很理想,需要同时进行下颌角外侧骨板部分去除,减少面下部的宽度,206例术后两侧对称,效果良好;1例面瘫;2例下颌骨骨折,术中做内固定;3例下颌骨体部成角,3个月后第二手术将突出部分磨平.结论:术前测量设计下颌角截骨的术式和截骨线是十分必要的,根据下颌角肥大的不同类型选择相适应的截骨术式. 相似文献
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目的:探索一种一次性切除下颌角和外板矫正下面部宽大的新方法。方法:静脉复合加局部浸润麻醉后,口内入路,旋转锉磨除部分外板后,以来复锯以一定的角度,行内外板不等量截骨,沿截骨标记线切除下颌角和部分外板。结果:50例下颌角肥大病例,48例术后效果满意或者较满意,无骨折、下齿槽神经损伤、大出血等并发症发生。结论:采用来复锯一次性切除下颌角和外板是一种安全、可控、损伤小、恢复快、有效的方法。 相似文献
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Surgical resection of the prominent mandible angle is a common aesthetic procedure in Asian women. Many females want to change their square-shaped face to a round-shaped face, because the square-shaped face is, not considered attractive in Asian culture. Several approaches have been used for this procedure. Surgeons usually have used the intraoral approach because it can avoid the external scar. However, the intraoral approach can have many drawbacks due to the limited operative field and view. In particular, subcondyle fracture occurs more easily because of the limited motion of the saw. This article presents an operative method that avoids subcondyle fracture and makes the procedure easier to execute. The procedure has two main differences; one is the addition of an external stab incision to the conventional intraoral incision and the other is the use of the reciprocating saw instead of the oscillating saw. Forty-three patients were operated on and we recommend this procedure as an easier procedure with less complication than the intraoral-only approach. 相似文献
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Classification and Treatment of Prominent Mandibular Angle 总被引:16,自引:0,他引:16
In Oriental culture, the contour of the mandibular angle is important for feminine facial shape because a woman who has a
wide and square face is thought to have had an unhappy life. A prominent mandibular angle, which does not coincide with the
natural look, produces a characteristic quadrangle, coarse, and muscular appearance. So Oriental women who have a prominent
mandibular angle want to have an ovoid, reduced, and slender face by aesthetic mandibular angle resection. Many satisfactory
corrections of a prominent mandibular angle by various operative techniques have been reported. But reasonable morphologic
classification and treatment were not reported. So we classified prominent mandibular angles into four groups by morphology
and operated on the patients according to their classification with different modalities: no square shape but only a reduced
gonial angle in the profile view—class I, mild form; severe mandibular angle protrusion with lateral protrusion—class II,
moderate form; a definite square-shaped angle (class II) with masseteric hypertrophy—class III, severe form; and combined
prominent mandibular angle and chin deformity—class IV, complex form. We use angle ostectomy through the intraoral route alone
or with an additional external stab incision for class I. An external stab incision to set up the reciprocating saw is sometimes
helpful in class I cases because there is no lateral protrusion of the angle. For class II cases, we use conventional intraoral
angle ostectomy only or angle splitting ostectomy with contouring. For class III cases, we use angle splitting ostectomy and
contouring with partial masseteric myectomy. In class IV, we use angle ostectomy and additional genioplasty. During 7 years,
we have performed 46 cases of mandibular angle resection. Of the mandibular angle resection cases, 19 were class I, 15 were
class II, 9 were class III, and 3 were class IV. A total of 42 patients were satisfied with the postoperative results. For
reasonable and satisfactory final results, classification according to the mandibular angle shape and suitable treatment according
to the classification are essential. 相似文献
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目的在下面部骨性轮廓改形的手术中,寻找下颌骨最佳截骨部位以获得更好的手术效果。方法对382例女性受术者,经口内入路,在气管插管全身麻醉下,利用电动往复锯片的弹性,原位调整锯片切入骨质的角度,一次性整体截除下颌骨升支下部、下颌角、下颌骨外板、下颌骨体下缘及部分颏骨,将残端磨削平滑圆润,线条流畅。结果早期为追求下颌角最大程度地截骨缩小下面部,致出现俗称“马脸”变形、第2下颌角,8例均是由于早期手术对下颌骨体及下缘、下颏处理不到位。术后随访101例,医患双方对效果非常满意61例,满意22例,基本满意11例,不满意5例,差2例。结论下面部骨性缩小的3个关键点足下颌角后份、下颌骨体中份和颏骨前份。 相似文献
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口内切口内窥镜直视下下颌角缩小整形术 总被引:3,自引:1,他引:2
目的:口内切口下颌角整形由于切口和解剖结构的限制,手术视野和操作空间较为局限,我们希望借助内窥镜技术,来探寻一种直视下操作的下颌角整形手术方法。方法:采用全口内切口,内窥镜下设计画线,磨削减薄下颌骨外板、弧形切除肥大的下颌角、斜面修整下颌缘,在直视下使下颌骨三维立体缩小。结果:2005年以来,我们应用全口内切口入路内窥镜下下颌角缩小整形术256例,效果满意。结论:①全口内切口入路,体表不会遗留任何手术痕迹;②内窥镜下设计画线,准确对称;手术操作均在直视下进行,安全可靠;③手术采用弧形去除肥大的下颌角,使下颌角弧度自然完美;完整削薄下颌骨外板,使面部正面完整缩小;精细修整下颌缘,使整个下颌部位轮廓更加流畅柔美,从而面中下部位立体有效地缩窄。 相似文献
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目的探讨口内入路下颌骨斜行截骨术在下颌角肥大中的临床效果,及与传统口内入路下颌骨外板劈除手术计较利弊。方法对11例下颌角肥大患者,分别施行口内入路下颌骨斜行截骨术。结果术后对11例下颌骨肥大患者3~6个月的随访,术后下颌骨升支与体部的角度接近正常,侧面观形态自然,弧线优美,体表无瘢痕。结论该手术方法不仅能有效矫治以下颌骨肥大为表现的下面部过宽,而且术后保持了正常下颌骨侧面应有的自然形态,手术操作比较简单,是目前较为理想的下颌骨肥大矫治术式。 相似文献