Three-dimensional planning accuracy and follow-up of Le Fort I osteotomy in cleft lip/palate patients.

Nys, Margaux; Bempt, Maxim Van den; Shaheen, Eman; Dormaar, Jakob Titiaan; Politis, Constantinus

doi:10.1016/j.jormas.2023.101421

Cited by 2 publications

(4 citation statements)

References 27 publications

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“…The magnitude of the surgical accuracy in six degrees of freedom of the present study concerning both the cleft and class III non-cleft group is in line with current literature or studies that have either investigated the surgical accuracy in cleft patients or in non-cleft patients [ 8 , 9 , 14 ]. All studies found that the largest surgical inaccuracy was present in the anterior/posterior, cranial/caudal translations, or pitch rotations.…”

Section: Discussionsupporting

confidence: 89%

“…The surgical achievability of anterior/posterior translation has always been one of the least accurate surgical movement in orthognathic surgery among cleft and non-cleft patients [ 8 , 15 , 16 ]. Many studies reported that a larger maxillary advancement is correlated with more surgical inaccuracy.…”

Section: Discussionmentioning

confidence: 99%

“…Recent studies reported that the accuracy of maxillary positioning in non-cleft patients using a computer-aided design/computer-aided manufacturing (CAD/CAM) splint derived from 3D VSP is within the range of 1 to 2 mm [ 6 , 7 ]. Studies with similar study design involving cleft patients demonstrated that the surgical accuracy of maxillary positioning varied between 1.48 and 2.75 mm [ 8 , 9 ]. Anterior–posterior (A/P) translations remained challenging to achieve during surgery in cleft patients [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

“…Studies with similar study design involving cleft patients demonstrated that the surgical accuracy of maxillary positioning varied between 1.48 and 2.75 mm [ 8 , 9 ]. Anterior–posterior (A/P) translations remained challenging to achieve during surgery in cleft patients [ 8 ]. However, there is limited data in the existing literature regarding the achievability of 3D virtually planned maxillary movements, particularly in the context of a direct comparison between cleft and non-cleft patients.…”

Section: Introductionmentioning

confidence: 99%

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Is there a difference in surgical accuracy following bimaxillary surgery between cleft and non-cleft patients?

Beek,

Visser,

Chen

et al. 2024

Clin Oral Invest

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Objectives To assess the surgical accuracy of 3D virtually planned orthognathic surgery among patients with and without cleft. Materials and methods This retrospective cohort study included cleft and non-cleft patients with class III malocclusion who underwent bimaxillary surgery. CBCT scans were acquired before and immediately after surgery. 3D virtual surgical planning (VSP) was performed using CBCT and digitalized dentition data. All orthognathic surgeries were performed by the same surgeons using interocclusal splints. The primary outcome variable was surgical accuracy, defined as the difference between the planned and surgically achieved maxillary movements, quantified in six degrees of freedom. Analysis of covariance was used to test for intergroup differences in surgical accuracy after correcting for differences in the magnitude of planned surgical maxillary movements. Results Twenty-eight cleft and 33 non-cleft patients were enrolled, with mean ages of 18.5 and 25.4 years, respectively (P=0.01). No significant gender difference was present between the groups (P=0.10). After adjustment for small differences in surgical movements, no significant differences in surgical accuracy were observed between cleft and non-cleft patients. Conclusion The present study demonstrates that high surgical accuracy in maxillary movements can be achieved in both cleft and non-cleft patients using VSP and interocclusal splints. Clinical relevance Orthognathic cases with cleft can be performed with 3D VSP to obtain a satisfactory surgical accuracy.

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Section: Discussionsupporting

confidence: 89%