Surface electromyography before and after orthognathic surgery and condylectomy in active laterognathia

A case report

F. Cullati, A. Mapelli, G. Beltramini, M. Codari, C. L. Pimenta Ferreira, A. Baj, A. B. Giannì, C. Sforza

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Background Condylar hyperplasia is a rare bone disease characterised by excessive development of mandibular condyle, which can lead to the development of asymmetric facial deformity together with malocclusion, mandibular deviation, TMJ and masticatory musculoskeletal system dysfunction. There is not a treatment protocol universally accepted. In order to determine the correct management, treatment and intervention timing of these patients, morphological examinations should be coupled with functional assessments. Case report In the present case report, morphological (bone scintigraphy; orthopantomography; posteroanterior and lateral cephalograms; 3D facial photographs) and functional (surface electromyography of masseter and temporalis muscles) quantitative data of a 20-year-old male patient affected by unilateral condylar hyperplasia are presented. The patient underwent a surgical treatment with high unilateral condylectomy associated to a maxillary Le Fort I osteotomy; as well as orthodontic treatment before and after surgery. Facial morphology and masticatory muscles activity wereassessed before surgery and followed-up 6, 12 and 24 months after surgery. Twenty-four months after surgery, all electromyographic values were normal, and softtissue facial asymmetry was negligible at 3D assessment. Conclusion Surface electromyography joins a set of clinical and morphological diagnostic tests that help the surgeon in planning the operation and managing the post-surgical patient.

Original languageEnglish
Pages (from-to)131-138
Number of pages8
JournalEuropean Journal of Paediatric Dentistry
Volume18
Issue number2
Publication statusPublished - 2017

Fingerprint

Orthognathic Surgery
Electromyography
Hyperplasia
Maxillary Osteotomy
Le Fort Osteotomy
Panoramic Radiography
Stomatognathic System
Facial Asymmetry
Facial Muscles
Mandibular Condyle
Masticatory Muscles
Masseter Muscle
Musculoskeletal System
Malocclusion
Bone Diseases
Temporomandibular Joint
Clinical Protocols
Rare Diseases
Orthodontics
Routine Diagnostic Tests

Keywords

  • EMG
  • Hemimandibular hyperplasia
  • Orthognathic surgery
  • Stereophotogrammetry
  • Temporomandibular joint

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Medicine(all)
  • Dentistry(all)

Cite this

Surface electromyography before and after orthognathic surgery and condylectomy in active laterognathia : A case report. / Cullati, F.; Mapelli, A.; Beltramini, G.; Codari, M.; Pimenta Ferreira, C. L.; Baj, A.; Giannì, A. B.; Sforza, C.

In: European Journal of Paediatric Dentistry, Vol. 18, No. 2, 2017, p. 131-138.

Research output: Contribution to journalArticle

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abstract = "Background Condylar hyperplasia is a rare bone disease characterised by excessive development of mandibular condyle, which can lead to the development of asymmetric facial deformity together with malocclusion, mandibular deviation, TMJ and masticatory musculoskeletal system dysfunction. There is not a treatment protocol universally accepted. In order to determine the correct management, treatment and intervention timing of these patients, morphological examinations should be coupled with functional assessments. Case report In the present case report, morphological (bone scintigraphy; orthopantomography; posteroanterior and lateral cephalograms; 3D facial photographs) and functional (surface electromyography of masseter and temporalis muscles) quantitative data of a 20-year-old male patient affected by unilateral condylar hyperplasia are presented. The patient underwent a surgical treatment with high unilateral condylectomy associated to a maxillary Le Fort I osteotomy; as well as orthodontic treatment before and after surgery. Facial morphology and masticatory muscles activity wereassessed before surgery and followed-up 6, 12 and 24 months after surgery. Twenty-four months after surgery, all electromyographic values were normal, and softtissue facial asymmetry was negligible at 3D assessment. Conclusion Surface electromyography joins a set of clinical and morphological diagnostic tests that help the surgeon in planning the operation and managing the post-surgical patient.",
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