Stability of orthognathic surgery: a review of rigid fixation

Sickels, Joseph E. Van; Richardson, Darius

doi:10.1016/s0266-4356(96)90002-9

Cited by 152 publications

(62 citation statements)

References 45 publications

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“…After the downward movement of the maxilla to overcome the high risk of relapse, the use of rigid fixation methods, especially plaque placement to maxillozygomatic "buttress" and filling of the osteotomy gap with graft material is recommended [23,[28][29][30]. All operations in this study were done with a 2.0 mm titanium plate-screw system with the use of the graft, as suggested.…”

Section: Discussionmentioning

confidence: 99%

Comparison of Autologous and Heterologous Bone Graft Stability Effects for Filling Maxillary Bone Gap After Le Fort I Osteotomy

Eser¹,

Gencel²,

Gökdoğan³

et al. 2015

Adv Clin Exp Med

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Background. The amount of postoperative maxillary relapse of two different bone graft materials after Le Fort I osteotomy were compared in this study. Objectives. The aim of this study is to compare postoperative maxillary relapse rates using heterologous and autologous graft materials after Le Fort I osteotomy. Material and Methods. A total of 80 patients who had developmental malocclusion were analyzed retrospectively in this study. Twenty nine (36.2%) and 51 (63.8%) patients underwent Le Fort I osteotomy, and Le Fort I and bilateral sagittal split ramus osteotomy (two-jaw surgery), respectively. Forty two (52.5%) maxillary bone gaps were filled with heterologous bone grafts (group A) and 38 (47.5%) were filled with autologous bone grafts (group B) after Le Fort I osteotomy. The cephalometric graphics and measurements were taken before (T1), 1 week after (T2), and 1 year after (T3) the surgery. The results were documented and determined by the Dolphin imaging 10.5 (Dolphin Imaging, Chatsworth, Calif.) computer program for skeletal relapse. Whether or not the relationship between group A's and B's maxillary relapse rates was evaluated in the postoperative period. Results. It was observed that both graft materials have positive effects on maxillary relapse rate in the postoperative period. When the groups are compared to each other, the relapse rates were similar between group A (8.3%) and group B (10.8%) (p > 0.05). Conclusions. Heterologous bone graft material (Osteoplant ® -Flex) is thought to be a good alternative to autologous grafts in decreasing the relapse rates and reducing the morbidity of the donor area of the patients who underwent Le Fort I osteotomy (Adv Clin Exp Med 2015, 24, 2, 341-348).

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Section: Discussionmentioning

confidence: 99%

Comparison of Autologous and Heterologous Bone Graft Stability Effects for Filling Maxillary Bone Gap After Le Fort I Osteotomy

Eser¹,

Gencel²,

Gökdoğan³

et al. 2015

Adv Clin Exp Med

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“…6,18,23,30 However, inferior repositioning of the maxilla has been shown to be an unstable move regardless of the fixation method used. 1,17,18 Many studies have also illustrated that mandibular surgery in combination with maxillary surgery does not affect maxillary stability.…”

Section: Discussionmentioning

confidence: 99%

“…1,17,18 Many studies have also illustrated that mandibular surgery in combination with maxillary surgery does not affect maxillary stability. 2,10,11,19,30 Norholt et al 15 found significant differences in vertical positioning of the maxilla in a lateral cephalometric analysis after 6 weeks as the position became more superior compared with the postoperative situation in a study using Lactosorb® (Lorenz Surgical, Jacksonville, Fla, USA). In the study by Cheung et al 3 , maxilla with bioresorbable plate fixation (2.0 compact plating system, Inion Ltd., Tampere, Finland) were confirmed to have minimal relapse compared to titanium plate fixation starting from the 6 th postoperative week, but vertical instability occurred in the early postoperative period.…”

Section: Discussionmentioning

confidence: 99%

Maxillary stability after Le Fort I osteotomy using three different plate systems

Ueki

Okabe

Moroi

et al. 2012

International Journal of Oral and Maxillofacial Surgery

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“…The segments are fixed loosely with a wire or rigidly with plates and screws after L-1 1 , and an admissible skeletal stability of the segment is acquired in both osteosynthesis procedures. However, according to the segmental movement pattern after osteotomy, the segment is more stable with rigid fixation than with wire fixation.…”

Section: Introductionmentioning

confidence: 99%

Effects of Vertical Movement of the Anterior Nasal Spine on the Maxillary Stability After LeFort I Osteotomy for Pitch Correction

Ohba

Nakao

Nakatani

et al. 2015

Journal of Craniofacial Surgery

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Few reports have so far evaluated the maxillary stability after LeFort I osteotomy (L-1) for pitch correction. In the present study, we assessed the SN-PP in order to evaluate the skeletal stability after osteotomy with clockwise or counter-clockwise rotation and investigated the effects of ANS and PNS movement on the stability of the SN-PP.The SN-PP and the positions of ANS, PNS and point A were measured on lateral cephalograms before surgery (T1), immediately after surgery (T2) and more than one year after surgery (T3).All measured angle and points were stable in four cases of counter-clockwise rotation.In the 16 cases of clockwise rotation, T3-T2 of SN-PP, ANS and point A was -2.05 degrees, -2.56 mm and -1.64 mm, when the SN-PP increased more than four degrees after osteotomy. When the ANS moved downward more than 3 mm, the ANS and point A relapsed significantly by 2.75 mm and 2.31 mm, while the SN-PP relapsed 1.61 degrees more than one year after surgery.When the SN-PP increased by more than four degrees or the ANS moved downward by more than three mm, we suggest shifting the PNS upward instead of moving the ANS downward.

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Stability of orthognathic surgery: a review of rigid fixation

Cited by 152 publications

References 45 publications

Comparison of Autologous and Heterologous Bone Graft Stability Effects for Filling Maxillary Bone Gap After Le Fort I Osteotomy

Comparison of Autologous and Heterologous Bone Graft Stability Effects for Filling Maxillary Bone Gap After Le Fort I Osteotomy

Maxillary stability after Le Fort I osteotomy using three different plate systems

Effects of Vertical Movement of the Anterior Nasal Spine on the Maxillary Stability After LeFort I Osteotomy for Pitch Correction

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