骨对骨望远镜固定与步板稳定:一种新的方法来提高LeFort I上前进的稳定性,用于与裂相关的低形成症
Mohammed Ali Hamid Syed1, Samir Mansuri2, Philip Mathew3
1Department of Orthodontics, Al Harkan Medical Center, Unaizah, SAU.
Cureus
|January 26, 2026
概括
这项研究介绍了一种新的骨对骨望远镜LeFort I推进技术,用于裂上细胞低成形. 该技术提供卓越的骨稳定性和出色的美学结果,复发率最小,改善患者的结果.
科学领域:
- 面外科手术 面外科手术
- 整形手术 整形手术 整形手术
- 嘴唇裂和口裂的重建
背景情况:
- 唇裂 (CLP) 患者往往需要由于复发而需要二次LeFort I大的提升.
- 传统的技术可以导致严重的痕诱导的复发.
- 为了增强长期稳定性,引入了一种新的骨对骨望远镜固定与步板稳定.
研究的目的:
- 为了评估新技术的骨稳定性.
- 评估复发率,审美结果和并发症.
- 为了确定骨对骨望远镜LeFort I进步在裂上细胞低成形的疗效.
主要方法:
- 对90名CLP患者 (平均年龄21.3±3.8岁) 的回顾性分析.
- 使用望远镜骨叠加和定制步板固定 (2021-2022) 的LeFort I进步.
- 在T0,T1和≥12个月 (T2) 的脑电测量测量;复发定义为>2毫米.
主要成果:
- 取得了显著的水平进步 (p < .001).
- 复发率低:总体20%;只有5%的复发率高于2毫米.
- 稳定的垂直位置 (p=1.0),改善了上部关系 (p < .001),并增强了面部美学 (FAS增加:p < .001).
- 并发症率低 (神经干扰7%,感染5%,重新手术6%);20%需要骨移植.
结论:
- 骨对骨望远镜技术提供了卓越的骨稳定性.
- 观察到最小的临床相关复发和优秀的美学改善.
- 这种技术是一种可靠的,最小的侵入性选项,用于纠正裂上细胞低成形.
更多相关视频
08:20A Reliable and Reproducible Critical-Sized Segmental Femoral Defect Model in Rats Stabilized with a Custom External Fixator
Published on: March 24, 2019
9.3K
06:38Establishment of a Segmental Femoral Critical-size Defect Model in Mice Stabilized by Plate Osteosynthesis
Published on: October 12, 2016
10.5K
相关概念视频
RNA Stability
35.7K
Intact DNA strands can be found in fossils, while scientists sometimes struggle to keep RNA intact under laboratory conditions. The structural variations between RNA and DNA underlie the differences in their stability and longevity. Because DNA is double-stranded, it is inherently more stable. The single-stranded structure of RNA is less stable but also more flexible and can form weak internal bonds. Additionally, most RNAs in the cell are relatively short, while DNA can be up to 250 million...
35.7K
Bioavailability Enhancement: Drug Stability Enhancement and GI Retention
206
Body:Improving a drug's stability in the gastrointestinal (GI) tract is paramount for enhancing its bioavailability and therapeutic effectiveness. Various strategies are employed to protect the drug from the harsh gastric milieu and to ensure its release and absorption at the desired site within the GI tract.Polymer coatings are one such method used to shield drugs from the stomach's acidic environment. By preventing premature drug release, these coatings improve the bioavailability of unstable...
206
Nuclear Stability
23.2K
Protons and neutrons, collectively called nucleons, are packed together tightly in a nucleus. With a radius of about 10−15 meters, a nucleus is quite small compared to the radius of the entire atom, which is about 10−10 meters. Nuclei are extremely dense compared to bulk matter, averaging 1.8 × 1014 grams per cubic centimeter. If the earth’s density were equal to the average nuclear density, the earth’s radius would be only about 200 meters.
To hold positively charged protons together...
To hold positively charged protons together...
23.2K
Stability
414
The time response of a linear time-invariant (LTI) system can be divided into transient and steady-state responses. The transient response represents the system's initial reaction to a change in input and diminishes to zero over time. In contrast, the steady-state response is the behavior that persists after the transient effects have faded.
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...
414
Stability of structures
511
In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
511
Pole and System Stability
947
The transfer function is a fundamental concept representing the ratio of two polynomials. The numerator and denominator encapsulate the system's dynamics. The zeros and poles of this transfer function are critical in determining the system's behavior and stability.
Simple poles are unique roots of the denominator polynomial. Each simple pole corresponds to a distinct solution to the system's characteristic equation, typically resulting in exponential decay terms in the system's...
Simple poles are unique roots of the denominator polynomial. Each simple pole corresponds to a distinct solution to the system's characteristic equation, typically resulting in exponential decay terms in the system's...
947
