Management of skeletal Class III malocclusion with face mask therapy and comprehensive orthodontic treatment

Muthukumar, Kirthika; Vijaykumar, N M; Sainath, Muthiah Chidambaram

doi:10.4103/0976-237x.177102

Cited by 10 publications

(7 citation statements)

References 21 publications

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“…8 Class III malocclusion can be treated by several different means depending on the diagnosis and age of the patient. During adolescence, orthopaedic growth modification such as chin cup therapy 9 and reverse-pull facemask therapy 10 can be considered as well as a new technique involving bone-anchored maxillary protraction plates. 11 Dental Class III can commonly be treated with full fixed appliances and elastic wear 12 with or without interproximal reduction.…”

mentioning

confidence: 99%

3D Airway changes using CBCT in patients following mandibular setback surgery ± maxillary advancement

Havron

Aronovich

Shelgikar

et al. 2019

Orthod Craniofacial Res

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Structured Abstract Introduction The aim of this study was to determine the 3D airway changes that occur following mandibular setback surgery alone vs bimaxillary surgery in patients with similar skeletal start forms. Setting and Sample Population The University of Michigan School of Dentistry and Medical Center. A total of 85 patients undergoing mandibular setback with or without simultaneous maxillary advancement. Materials and Methods A retrospective evaluation of pre‐ and post‐surgical CBCT scans for patients undergoing mandibular setback surgery alone (14) vs bimaxillary surgery (71) was performed. Cross‐sectional evaluation at standardized locations, minimum cross section and volumetric analysis were performed (Dolphin Imaging & Management Solutions). Results Patients who underwent mandibular setback surgery alone showed a statistically significant average increase of 47.5 mm2 in minimum axial area. Patients who underwent bimaxillary surgery showed a statistically significant increase in airway volume, minimum axial area, location of minimum axial area, and axial area at the retropalatal and retroglossal regions. Conclusions The results demonstrate that the mandible can be setback safely without decreasing airway dimensions. In borderline OSA patients, bimaxillary surgery remains the preferred approach due to the larger airway increases observed. Long‐term follow‐up with polysomnography must be conducted to determine the full functional implications of both procedures.

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mentioning

confidence: 99%

3D Airway changes using CBCT in patients following mandibular setback surgery ± maxillary advancement

Havron

Aronovich

Shelgikar

et al. 2019

Orthod Craniofacial Res

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“…The majority of females reach skeletal maturity at 16 years of age. Thus, we determined that the reverse-pull facemask therapy, which is a standard protocol in the early management to assist the growth of maxilla and correct retrognathic maxilla for children [ 20 , 21 ], would not be beneficial to her since she was approaching skeletal maturity. Before treatment, our patient had a skeletal Class III malocclusion with labially flare maxillary anterior teeth, a common compensation in maxillary deficiency patients.…”

Section: Discussionmentioning

confidence: 99%

Interdisciplinary dental management of patient with oligodontia and maxillary hypoplasia: a case report

et al. 2022

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Background The craniofacial developmental abnormality can significantly complicate the oral rehabilitation of patients with oligodontia. This case report describes an interdisciplinary approach that took 7 years to successfully treat a young patient with non-syndromic oligodontia and midface deficiency. Case presentation A 14-year-old patient with complex oral and maxillofacial conditions and diagnosis of oligodontia presented to our clinic. In addition to 4 retained deciduous teeth and congenitally missing 10 permanent teeth, dentofacial findings included maxillary and malar deficiency with a concave facial profile, Angle Class III malocclusion, and poor dental esthetics. The interdisciplinary treatment included pre-surgical orthodontic decompensation, high Le Fort I maxillary osteotomy, postsurgical orthodontic therapy, osseous ridge augmentation using recombinant human bone morphogenetic protein-2 (rhBMP-2), interim removable partial denture, dental implant installation, interim implant prostheses, and final prosthetic rehabilitation. Conclusions The successful treatment of patients with oligodontia and complex dentofacial abnormalities requires the close and orderly collaboration among orthodontist, oral maxillofacial surgeon, and prosthodontist. Within the limitations of this case report, presented interdisciplinary approaches may optimize the oral rehabilitation outcome in patients with similar clinical challenges. A prospective clinical investigation is desired to verify the benefit of presented interdisciplinary approach.

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“…In the usual association with transverse maxillary deficiency, that indicates a combined face mask and rapid maxillary expansion (RME) (8,9) which disarticulates the circum-maxillary sutures that enhance forward positioning of point A (subspinale) (10)(11)(12) . Liou and Tsai in 2005 (13) introduced alternated rapid maxillary expansions and constrictions (Alt-RAMEC) at a rate of 0.5 mm per day for a period up to 9 weeks, which conceded enhancement of the disarticulation effect of the sercum-maxillary sutures (14)(15)(16) .…”

Section: Introductionmentioning

confidence: 99%

Interaction Between Subspinale and Two Expansion Protocols in Class III

Yousif

Elshenaway

abotaha

et al. 2021

Al-Azhar Journal of Dental Science

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Objectives: To assess and compare skeletal,dental and soft tissue changes of three RME protocols using conventional Hyrax, Hybrid Hyrax, and four miniscrew supported Hyrax using alternated expansion and constriction. Subjects and Methods: 21 patients enrolled in this study with Class III maxillary deficiency, with an average age of 10.5±6 months, and allocated into three groups of seven patients each. Maxillary expansion was done with conventional Hyrax in Group I. Group II: RME with Hybrid Hyrax. Group III: skeletal four-point supported custom-made Hyrax with four palatal micro-implants and alternating rapid maxillary expansion and contraction. A cephalometric tracing of standardized cephalometric x-ray was performed for each patient before and after expansion for various linear and angular measurements and statistically analyzed. Results: SNA angle increased significantly (p ≤ 0.05) from pretreatment to post-expansion stage in all groups. There was a statistically significant difference between Groups II and III. When the three Groups were compared, a considerable forward movement of point A was detected in both Group I and Group II. The forward movement of point A, the angle of facial convexity and upper lip prominence improved considerably in GII. Conclusion: Hybrid Hyrax (Group II) showed a significant improvement in forward position of point A concomitant with a significant sagittal skeletal, dental and soft tissue profile improvement.

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Management of skeletal Class III malocclusion with face mask therapy and comprehensive orthodontic treatment

Cited by 10 publications

References 21 publications

3D Airway changes using CBCT in patients following mandibular setback surgery ± maxillary advancement

3D Airway changes using CBCT in patients following mandibular setback surgery ± maxillary advancement

Interdisciplinary dental management of patient with oligodontia and maxillary hypoplasia: a case report

Interaction Between Subspinale and Two Expansion Protocols in Class III

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