Evaluation of skeletal changes associated with surgically rapid palatal expansion without pterygomaxillary separation

Keskin-Yalcin, B.; Çakarer, Sırmahan; İşler, Sabri Cemil; Ozel-Yildiz, Sevda; Beycan, Kadir; Koçak-Berberoğlu, Hülya

doi:10.1016/j.jormas.2019.07.008

Cited by 3 publications

(2 citation statements)

References 26 publications

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“…30 Some researchers have claimed that pterygomaxillary disjunction is no longer needed during the surgery. 31 Thus, further studies are necessary. We know the pterygoid bone structure of Crouzon syndrome patients better, and this could help with operations in this field.…”

Section: Discussionmentioning

confidence: 99%

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Characteristics of the Sphenoid Bone in Crouzon Syndrome

Yang

Gui

Teng

et al. 2021

Journal of Craniofacial Surgery

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Background: The goal of this study is to analyze the safety of reconstructive surgeries for Crouzon syndrome, and to understand the deformities and complications related to the surgical procedure. Methods: Thirty-nine subjects underwent preoperative computed tomographic scans were included (Crouzon, n ¼ 19; controls, n ¼ 20) in this study. Craniofacial cephalometric measurements were analyzed by Materialise software. Results: The overall average distance from the pterygoid junction to the coronal plane in the patients with Crouzon syndrome was 21.34 mm (standard deviation [SD] 5.13), which was deeper than that in the controls by 35% (P ¼ 0.000).The overall average distances between the left and right foramen ovale and pterion on the sphenoid bone in the subjects were 64.93 mm (SD 7.56) and 67.83 mm (SD 8.57), which were increased by 13% (P ¼ 0.001) and 14% (P ¼ 0.001) compared with those in the controls.The overall distances between the most inferior point of the left and right lateral pterygoid plate and the medial pterygoid plate in the subjects were 51.09 mm (SD 6.68) and 51.51 mm (SD 10.98), which was not statically different from the controls (P ¼ 0.887, P ¼ 0.991, respectively). Conclusions: This study characterized the surgically relevant anatomy of the sphenoidal bone. The pterygomaxillary junction is located in the posterior of the skull. Though there are some anatomical differences due to age, it is well known that the cranial cavity of the sphenoid side is likely to be enlarged in Crouzon syndrome, which may contribute to the other complications of the disease.

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Section: Discussionmentioning

confidence: 99%

“…Some researchers have claimed that pterygomaxillary disjunction is no longer needed during the surgery 31 . Thus, further studies are necessary.…”

Section: Discussionmentioning

confidence: 99%

Characteristics of the Sphenoid Bone in Crouzon Syndrome

Yang

Gui

Teng

et al. 2021

Journal of Craniofacial Surgery

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Nasopharyngeal airway and subcranial space analysis in Pfeiffer syndrome

Forte

Allam

et al. 2021

British Journal of Oral and Maxillofacial Surgery

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Can different osteotomies have an influence on surgically assisted rapid maxillary expansion? A systematic review

Barone,

Bennardo,

Salviati

et al. 2024

Head Face Med

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The purpose of this study was to systematically review the randomized and non-randomized clinical trials (RCT; nRCT) concerning the different available osteotomies for surgically assisted rapid maxillary expansion (SARME): pterygomaxillary disjunction (SARME + PD vs SARME-PD) and segmental Le Fort I osteotomy (2-piece vs 3-piece). Outcomes focused on skeletal, dental, upper airway changes, complications, and relapse. Two authors investigated five databases (PubMed, Cochrane Library, Google Scholar, Scopus, Web of Science) until August 2023. The Cochrane Collaboration Tool and the Newcastle–Ottawa scale were used for the quality assessment of the included RCTs and nRCTs, respectively. A total of 554 articles were retrieved and after duplicates removing and full-text reading, 40 studies were included. Two RCTs showed a low risk of bias, one an unclear risk and one a high risk. Among the non-RCTs, 15 studies showed a good quality, while 21 exhibited a fair quality score. SARME + PD resulted in more homogeneous posterior bone expansion, with minimal dental effects. No difference between 2-piece and 3-piece in asymmetric expansion was observed, although 3SO showed 1–2 mm of more transverse increase. The oropharynx minimum cross-sectional area, the nasopharynx and the oropharynx volume were greater in SARME + PD. Both dental and bone relapse can occur but no differences between the groups were observed. All osteotomies guaranteed a correction of transverse maxillary deficiency. Lower side effects were described in SARME + PD. Two-piece and 3-piece segmental Le Fort I osteotomies did not show any differences in the symmetry and amount of expansion.

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Evaluation of skeletal changes associated with surgically rapid palatal expansion without pterygomaxillary separation

Cited by 3 publications

References 26 publications

Characteristics of the Sphenoid Bone in Crouzon Syndrome

Characteristics of the Sphenoid Bone in Crouzon Syndrome

Nasopharyngeal airway and subcranial space analysis in Pfeiffer syndrome

Can different osteotomies have an influence on surgically assisted rapid maxillary expansion? A systematic review

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