scholarly journals Correction of Mandibular Prognathism by Orthognathic Surgery in a Patient with Acromegaly

2013 ◽  
Vol 2 (1) ◽  
pp. 32-34
Author(s):  
Kamal Gharnizadeh ◽  
Alireza Mohammadi ◽  
Zahra Malekpoor ◽  
Maryam Sohrabi
Keyword(s):  
Orthognathic Surgery ◽  
Growth Form ◽  
Clinical Syndrome ◽  
Class Iii ◽  
Skeletal Deformity ◽  
Slow Progression ◽  
Endocrine Status ◽  
The Face ◽  
Surgery Outcomes

Background: Acromegaly, a condition which is associated with an acquired progressive disfigurement mainly involving the face and extremities, is a clinical syndrome which results from excessive production of growth hormone (GH) most commonly due to adenoma of the pituitary gland. Acromegaly is a rare disease which due to its slow progression, is mostly diagnosed in late adulthood. Bilateral symmetrical prognathic mandible is considered as a diagnostic symptom of acromegaly. Nowadays, orthognathic surgery is done for treatment of this skeletal deformity; however, because of its relapse after surgery, the efficacy of this procedure remains uncertain.Case report: In this report we present a 33 years old man who was admitted for correction of Prognathism resulted from acromegaly in Bou-Ali Hospital. Class III skeletal growth form was achieved in his cephalometry analysis. Macroglossia, concave profile with prominent supra orbital ridges, prognathism, large lips and bulbous nose were detected in his physical examination. Orthognathic surgery as well as median glossectomy was performed and after 1 year follow up no recurrence was detected.Conclusion: It is assumed that keeping GH in a normal range before the surgery and also evaluation of orthognathic aspect and endocrine status of the patient in the follow ups are effective in preservation of orthognathic surgery outcomes.

scholarly journals Orthodontic camouflage of skeletal Class III malocclusion with miniplate: a case report

2016 ◽  
Vol 21 (4) ◽  
pp. 89-98 ◽  
Author(s):  
Marcel Marchiori Farret ◽  
Milton M. Benitez Farret ◽  
Alessandro Marchiori Farret
Keyword(s):  
Orthognathic Surgery ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Lower Lip ◽  
Facial Profile ◽  
Skeletal Class ◽  
Mandibular Teeth ◽  
One Year ◽  
Angle Class Iii Malocclusion

ABSTRACT Introduction: Skeletal Class III malocclusion is often referred for orthodontic treatment combined with orthognathic surgery. However, with the aid of miniplates, some moderate discrepancies become feasible to be treated without surgery. Objective: To report the case of a 24-year-old man with severe skeletal Angle Class III malocclusion with anterior crossbite and a consequent concave facial profile. Methods: The patient refused to undergo orthognathic surgery; therefore, orthodontic camouflage treatment with the aid of miniplates placed on the mandibular arch was proposed. Results: After 18 months of treatment, a Class I molar and canine relationship was achieved, while anterior crossbite was corrected by retraction of mandibular teeth. The consequent decrease in lower lip fullness and increased exposure of maxillary incisors at smiling resulted in a remarkable improvement of patient's facial profile, in addition to an esthetically pleasing smile, respectively. One year later, follow-up revealed good stability of results.

Does orthognathic surgery improve myofacial pain in individuals with skeletal class III? One-year follow-up

2018 ◽  
Vol 126 (4) ◽  
pp. 322-330 ◽  
Author(s):  
Aline Monise Sebastiani ◽  
Paola Fernanda Cotait de Lucas Corso ◽  
Daniel Bonotto ◽  
Juliana Feltrin de Souza ◽  
Delson João da Costa ◽  
...  
Keyword(s):  
Orthognathic Surgery ◽  
Class Iii ◽  
Skeletal Class ◽  
Myofacial Pain ◽  
One Year

scholarly journals A New Appliance for Class III Treatment in Growing Patients: Pushing Splints 3

2019 ◽  
Vol 2019 ◽  
pp. 1-10 ◽  
Author(s):  
Stefano Martina ◽  
Roberto Martina ◽  
Lorenzo Franchi ◽  
Vincenzo D’Antò ◽  
Rosa Valletta
Keyword(s):  
Orthognathic Surgery ◽  
Good Control ◽  
Orthopedic Procedures ◽  
Class Iii ◽  
Maxillary Expansion ◽  
Clockwise Rotation ◽  
Skeletal Class ◽  
Vertical Growth ◽  
The Face ◽  
Class Iii Treatment

Several orthopedic procedures have been used in early treatment to reduce the need for orthognathic surgery in skeletal Class III. The most used treatment is Rapid Maxillary Expansion and Facemask. This procedure also determines a clockwise rotation of the mandible, increasing the vertical dimensions of the lower third of the face. Therefore, the control of vertical dimension appears to be a key objective in Class III hyperdivergent patients. This article shows two skeletal Class III patients treated with a new appliance (Pushing Splints 3), that is able to correct sagittal discrepancy with a good control of the vertical growth. In both cases, Class I relationship with a proper Overjet and Overbite was achieved with improvement of profile. The final cephalometric values demonstrated a stable sagittal relationship and a good control of the vertical growth. The specific biomechanic features of the PS3 appliance permit the improvement of the sagittal jaw relationship, delivering at the same time vertical vectors that are able to control the alveolar and skeletal components of the vertical growth. This could be useful in the treatment of Class III hyperdivergent patients.

scholarly journals Evaluation of facial soft tissue thickness in asymmetric mandibular deformities after orthognathic surgery

2021 ◽  
Vol 43 (1) ◽  
Author(s):  
Luo Huang ◽  
Zhicong Li ◽  
Jing Yan ◽  
Lunqiu Chen ◽  
Zheng-guo Piao
Keyword(s):  
Soft Tissue ◽  
Orthognathic Surgery ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Tissue Thickness ◽  
Facial Soft Tissue ◽  
Thickness Change ◽  
Skeletal Class ◽  
Soft Tissue Thickness ◽  
The Face

Abstract Objectives The purpose of this study was to compare differences in facial soft tissue thickness in three-dimensional (3D) images before and after orthognathic surgery in patients with skeletal Class III malocclusion and to obtain a better understanding of the relationship between hard and soft tissue changes after surgery. Materials and method The present retrospective study included 31 patients with skeletal Class III malocclusion with mandibular chin deviation greater than 4 mm who had undergone cone-beam computed tomography before and 6 months after surgery. Seven bilateral points were established. Measurements were taken from software-generated multiplanar reconstructions. The predictor variables were timing (pre- and postoperatively) and side (deviated vs. nondedicated). A regression model and correlation analysis were conducted for statistical analysis. Results The difference of bilateral facial soft tissue thickness was statistically significantly different between deviated and nondeviated sides (P < 0.05), with lower values observed on the deviated side. The soft tissue thickness has become nearly symmetric at local regions of the lower thirds of the face after orthognathic surgery. However, most measurements showed a negative correlation between changes in soft tissue thickness and changes in bone tissues. Conclusions Skeletal Class III malocclusion with facial asymmetry is accompanied by differences in soft tissue thickness when comparing Dev and N-Dev sides of the posterior region of the mandible, where soft tissues are thinner on the Dev side. Soft tissue thickness can compensate for or camouflage the underlying asymmetric mandible. In addition, the asymmetric soft tissue thickness on the lower third of the face can be partially improved by orthognathic surgery, but the amount of soft tissue thickness change is not consistent with that of hard tissue positional change.

scholarly journals Orthognathic Surgery Combined with Glossectomy and Mandibular Constriction: A Case Report

2019 ◽  
Vol 13 (1) ◽  
pp. 116-123
Author(s):  
Nilton Pires de Araujo Filho ◽  
Thiago Leonardo Rios ◽  
Everton Jose da Silva ◽  
Thiago Iafelice dos Santos ◽  
Andre Luis Fernandes da Silva ◽  
...  
Keyword(s):  
Case Report ◽  
Orthognathic Surgery ◽  
Class Iii ◽  
Grade 5 ◽  
Bimaxillary Orthognathic Surgery ◽  
Skeletal Pattern ◽  
Tongue Reduction ◽  
Mandibular Protrusion ◽  
Partially Dentate

Background: Conventional orthognathic surgery can become challenging when multiple goals such as correction of transverse and anteroposterior discrepancies of the dental arches are aimed. Thus, additional procedures such as midline mandible osteotomy for mandibular constriction and tongue reduction due to true macroglossia may be alternatives to a more functional and aesthetical outcome. Case Report: A treatment of a 35-year-old female patient with Class III sagittal skeletal pattern marked by an increased angle facial profile, maxillary retrusion, vertical maxillary deficiency, and mandibular protrusion, a Class III malocclusion associated to an edentulous maxilla, partially dentate mandible, transverse mandibular excess and true macroglossia. With an Index of Orthognathic Functional Treatment Need (IOFTN) grade 5, the patient underwent bimaxillary orthognathic surgery, mandible constriction and partial glossectomy. After about a year of follow-up, the patient demonstrated skeletal stability for the orthognathic procedures as well preservation of tongue function. Conclusion: The combination of the techniques performed was effective in the treatment of the multifaceted deformities, providing satisfactory function, harmonious facial aspect and enabling effective prosthetic rehabilitation to the patient.

scholarly journals Six-year Follow-up in Skeletal Class III Patient Aged over 40 Receiving Orthognathic Surgery and Autotransplantation: A Case Report

2009 ◽  
Vol 50 (3) ◽  
pp. 141-147
Author(s):  
Etsuko Motegi ◽  
Yumi Takane ◽  
Eri Tokunaga ◽  
Kenji Sueishi ◽  
Nobuo Takano ◽  
...  
Keyword(s):  
Case Report ◽  
Orthognathic Surgery ◽  
Class Iii ◽  
Skeletal Class

scholarly journals Long-term follow-up of intersegmental displacement after orthognathic surgery using cone-beam computed tomographic superimposition

2020 ◽  
Vol 90 (4) ◽  
pp. 548-555 ◽  
Author(s):  
Jae-Yeol Lee ◽  
Seung-Min Lee ◽  
Sung-Hun Kim ◽  
Yong-Il Kim
Keyword(s):  
Orthognathic Surgery ◽  
Three Dimensional ◽  
Distal Segment ◽  
Reference Points ◽  
Cone Beam ◽  
Class Iii ◽  
Patients Âgés ◽  
Long Term Follow Up

ABSTRACT Objectives To evaluate intersegmental displacement during long-term follow-up after bilateral sagittal split osteotomy (BSSO) by mandibular body area superimposition. Materials and Methods Cone-beam computed tomography (CBCT) images of 23 patients ages 18−37 years with class III malocclusion before orthognathic surgery were obtained. A three-dimensional (3D) CBCT examination was performed at four stages: surgery (T0), 6 months after surgery (T1), 1 year after surgery (T2), and long-term follow-up (6.1 ± 2.1 years, T3). The CBCT datasets were superimposed on the symphyseal area and the lower part of the distal segment of the mandible between T0 and the other time points (T1, T2, and T3). The reference points (both condyle, coronoid, and sigmoid) were estimated by the CBCT analyzed program. Results The coronoid, condylion, and sigmoid showed changes within 6 months after surgery, but there was no significant change in the intersegmental displacement between 6 months and 6 years after surgery. The distances between the left and right coronoid, condylion, and sigmoid from T0 to T3 were noted. Conclusions The change in intersegmental displacement between T0 and T3 affecting relapse after orthognathic surgery was not significantly different. This suggests that the mandible itself may have a stable morphology during the follow-up period.

Eight-Year Follow-Up of a Fixed-Detachable Maxillary Prosthesis Utilizing an Attachment System: Clinical Protocol for Individuals With Skeletal Class III Malocclusions

2014 ◽  
Vol 40 (3) ◽  
pp. 307-312 ◽  
Author(s):  
Erica Dorigatti de Avila ◽  
Luiz Antônio Borelli de Barros ◽  
Marcelo Antonialli Del'Acqua ◽  
Sergio Sualdini Nogueira ◽  
Francisco de Assis Mollo
Keyword(s):  
Bone Loss ◽  
Treatment Option ◽  
Orthognathic Surgery ◽  
Point Of View ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Clinical Protocol ◽  
Skeletal Class

The aim of this article is to describe a successful clinical protocol for prosthodontic rehabilitation of a patient with a skeletal Class III malocclusion using a fixed-detachable maxillary prosthesis supported by 6 implants and the MK1 attachment system. The patient was followed up for 8 years. A 46-year-old edentulous woman with a skeletal Class III malocclusion expressed dissatisfaction with her old existing maxillary denture from an esthetic point of view and frustration regarding its function. A fixed-detachable maxillary prosthesis using the MK1 attachment system was made. The patient was followed up clinically and radiographically for 8 years. No bone loss, fracture of prosthetic components, or fracture of the prosthesis was detected in that period. A fixed detachable maxillary prosthesis using the MK1 attachment system is a treatment option for patients with Class III malocclusions who opt not to undergo orthognathic surgery.

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