A simplified sagittal split osteotomy of the mandibular ramus: a single-cut approach for orthognathic surgery
-
Samuel Macedo Costa [1] ; Marcelo Santos Bahia [1] ; Marcella Yumi Kadooka [1] ; Priscila Faleiros Bertelli Trivellato [1] ; Cassio Edvard Sverzut [1] ; Alexandre Elias Trivellato [1]
-
[1] Universidade de São Paulo
Universidade de São Paulo
Brasil
-
- Localización: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, ISSN-e 1698-6946, Vol. 31, Nº. 2 (March), 2026, págs. 155-159
- Idioma: inglés
- Enlaces
-
Resumen
This study aims to evaluate the feasibility, and reliability of a novel simplified sagittal osteotomy (SSO) technique for mandibular repositioning in orthognathic surgery. The research question focuses on whether this approach can reduce technical complexity and complication rates, especially in a residency training environment.
A prospective observational study was conducted involving 118 patients (62 females, 56 males) diagnosed with Angle Class II or III malocclusions and indicated for orthognathic surgery. All patients underwent a novel mandibular osteotomy as part of a Double-jaw surgery. Exclusion criteria included patients under 18 years of age, third molar presence, mandibular pathologies, and incomplete follow-up. The primary outcomes included feasibility, complication rates, and the need for conversion to the conventional BSSO. Statistical analysis was performed using the Chi-square test.
A total of 236 osteotomies were performed. The technique was considered feasible in 98.7% of cases, with no conversions to traditional BSSO. No bad splits occurred. IAN injury was observed in 0.8% of cases, and long-term paresthesia (>1 year) occurred in 1.2%. No cases of hemorrhage or dental injury were reported. No significant associations were found between complications and patient gender or deformity type (p>0.05).
The SSO technique demonstrated high feasibility and a low complication profile, supporting its use as a reliable alternative to BSSO.
