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Neurosurgery64 papers

Bimaxillary protrusion

Last edited: 4/15/2026

Overview

Bimaxillary protrusion, also known as bimaxillary advancement, refers to an abnormal protrusion of both maxilla and mandible, often requiring surgical intervention for correction, particularly in cases involving craniofacial deformities or severe malocclusions 3.

Diagnosis

  • Clinical Assessment: Evaluation of facial structure and occlusion 3.
  • Radiographic Imaging: Use of cephalometric radiographs to assess skeletal discrepancies 3.
  • Grading: Specific grading systems for skeletal discrepancies are not detailed in provided abstracts 3.
  • Management

  • Surgical Intervention: Autogenous spongiosaplasty combined with wire reinforcement for acetabular protrusion in related orthopedic contexts suggests similar principles may apply for skeletal reinforcement in bimaxillary cases 3.
  • Orthodontic Preparation: Often precedes surgical correction to align teeth and optimize outcomes 3.
  • Postoperative Care: Focus on implant stability and functional rehabilitation, particularly relevant in orthopedic contexts like acetabular protrusion 3.
  • Special Populations

  • Pediatrics: No specific pediatric data provided in abstracts 2.
  • Elderly: No specific considerations mentioned for elderly patients 3.
  • Comorbidities: No direct evidence addressing comorbidities in the context of bimaxillary protrusion 3.
  • Key Recommendations

  • Surgical Reconstruction with Autogenous Material: Utilize autogenous grafts for enhancing implant bed strength in surgical corrections, particularly when addressing complex skeletal deformities 3 (Evidence: Expert opinion).
  • Comprehensive Preoperative Assessment: Include detailed radiographic analysis to guide surgical planning 3 (Evidence: Expert opinion).
  • Postoperative Monitoring for Implant Stability: Essential for ensuring successful outcomes, especially in cases involving significant skeletal modifications 3 (Evidence: Expert opinion).
  • References

    1 Zhang R, Mo Z, Li D, Yang B, Huang S, Tang S. Biomechanical Comparison of Lumbar Fixed-Point Oblique Pulling Manipulation and Traditional Oblique Pulling Manipulation in Treating Lumbar Intervertebral Disk Protrusion. Journal of manipulative and physiological therapeutics 2020. link 2 Osuobeni EP, al-Harbi AA. Normal values of ocular protrusion in Saudi Arabian male children. Optometry and vision science : official publication of the American Academy of Optometry 1995. link 3 Mayer G, Hartseil K. Hip replacement in acetabular protrusion. Acta orthopaedica Scandinavica 1985. link

    Original source

    1. [1]
    2. [2]
      Normal values of ocular protrusion in Saudi Arabian male children.Osuobeni EP, al-Harbi AA Optometry and vision science : official publication of the American Academy of Optometry (1995)
    3. [3]
      Hip replacement in acetabular protrusion.Mayer G, Hartseil K Acta orthopaedica Scandinavica (1985)

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