Noncompliance Open-Bite Treatment with Zygomatic Anchorage

Erverdi, Nejat; Üşümez, Serdar; Solak, Alev; Koldaş, Tamer

doi:10.2319/101206-422.1

Cited by 88 publications

(154 citation statements)

References 17 publications

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“…In growing patients, relative intrusion of the molars is recommended to control for vertical development of the jaws. 1 In adult patients, absolute intrusion of posterior occlusal segments can be performed with the aid of temporary anchorage devices, [2][3][4][5][6][7][8][9][10] and surgical treatment can be considered as well. The choice of treatment protocol depends on many factors, including esthetic and occlusal aspects, morphologic characteristics, and the severity of the skeletal anomaly.…”

Section: Introductionmentioning

confidence: 99%

Molar height and dentoalveolar compensation in adult subjects with skeletal open bite

Kučera¹,

Marek²,

Tycova³

et al. 2011

The Angle Orthodontist

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Objective: To evaluate the skeletal and dentoalveolar components in adult subjects with skeletal open bite in the presence or absence of dental compensation. Materials and Methods: The study sample included 69 adult female subjects who belonged to three groups according to skeletal vertical relationships and overbite. A total of 15 variables (5 angular, 10 linear) were evaluated. Values in the dentally compensated open bite group (COBG), the dentally noncompensated open bite group (NCOBG), and the control group with normal vertical skeletal relationships and overbite (CG) were compared by means of parametric statistics. Results: The COBG and the NCOBG showed significantly greater incisor and molar heights in both jaws than the CG. No significant difference in upper or lower molar height was found between COBG and NCOBG. Incisor height was significantly greater in COBG than in NCOBG. Elongation in the incisor region was accompanied by significant narrowing of the lower anterior alveolar process in both skeletal open bite groups. Proclination of the upper incisors was significantly smaller in the COBG than in the other groups. Conclusions: Dentoalveolar components consisting of incisor elongation and inclination play a significant role in compensating for skeletal open bite configuration in adult subjects. Increased molar height is a common finding in adults with skeletal open bite. (Angle Orthod. 2011;81:564-569.)

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Section: Introductionmentioning

confidence: 99%

Molar height and dentoalveolar compensation in adult subjects with skeletal open bite

Kučera¹,

Marek²,

Tycova³

et al. 2011

The Angle Orthodontist

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“…The same note was observed in a previous investigation which revealed that buccal tipping of posterior maxillary segment was inevitable because of the location of the line of force in relation to the center of resistance of the segment. It has been reported that, tipping of buccal segment not only impaired posterior occlusion but also impeded successful elimination of the SAOB because of the interferences created between upper and lower teeth (10) .…”

Section: Results' Interpretationmentioning

confidence: 99%

“…It is often the outcome of a vertical growth pattern and increased maxillary posterior vertical height. Noteworthy, surgical treatment of SAOB malocclusion by conventional Le Fort 1 surgery was considered as the typical treatment or the first option for SAOB malocclusions (10) . Unfortunately, patient acceptance of this treatment modality was almost negative and not accepted by most of the current research patients.…”

Section: Discussionmentioning

confidence: 99%

“…If it is possible to orthodontically intrude posterior teeth, the accompanying changes in occlusal plane, mandibular plane, lower anterior face height, and anterior dental overbite would close the patient's open bite. However, intrusion of posterior or anterior dentition is always difficult to achieve without the side effect of extrusion of the anchorage teeth (10)(11)(12)(13)(14)(15)(16)(17) .…”

Section: Introductionmentioning

confidence: 99%

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Corticotomy for Correction of Skeletal Anterior Open Bite Using Miniplates as Skeletal Anchorage (A Clinical and Cone Beam Comparative Study)

et al. 2017

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Objective: This study was designed to evaluate the effect of corticotomy and miniplates' usage as skeletal anchorage for maxillary molars' intrusion during correction of skeletal anterior open bite (SAOB). Patients, materials and methods: A sample of 22 patients with an age range from 14 to 22 years, suffering from skeletal anterior open bite with increased posterior maxillary vertical height. The participants were randomly divided into two groups according to the corticotomy approach. Group I: both buccal and palatal corticotomies were performed. Group II: only buccal corticotomy was performed. Buccal miniplates and palatal mini-screws were used as skeletal anchorage for maxillary molars' intrusion assisted by corticotomy. The measurements, including maxillary dento-alveolar heights (mm), bucal crestal alveolar bone heights (mm), bucco-palatal angulations (B-P˚) and mesio-distal angulations (M-D˚) of right and left maxillary first permanent molars, 4.5 months after intrusion commencement. Results: The dento-alveolar height as well as the buccal crestal alveolar height decreased significantly after intrusion in both groups (p≤0.001 and p≤0.05, respectively), but without significant differences between them. Similarly, the M-D and B-P angulations increased significantly after intrusion in both groups (p≤0.01 and p≤0.001, respectively), with no significant differences between both groups. Conclusions: The current corticotomy approaches and temporary anchorage devices (TADs) were similarly effective for maxillary molar intrusion in cases of (SAOB), but complete correction of SAOB was not achieved. Both the posterior maxillary dento-alveolar and buccal crestal alveolar bone heights diminished similarly in both corticotomy methods. Neither mesio-distal nor bucco-palatal angulations of maxillary first permanent molar crown revealed major changes in matching both approaches of intrusion.

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“…1,2 The most effective treatment option in adult patients with skeletal open bite is surgical repositioning of the maxilla or both jaws. 1,3 The results of surgery to reduce the mandibular plane angle and to close the open bite by closing rotation of the mandible with only mandibular surgery have been shown to be highly unstable because this rotation lengthens the ramus and stretches the muscles of the pterygomandibular sling. 4 Therefore, a surgical procedure involving superior repositioning of the maxilla with a Le Fort I osteotomy is recommended to obtain more stable and predictable results for the surgical correction of skeletal open bite.…”

Section: Introductionmentioning

confidence: 99%

Skeletal Class III and open bite treated with bilateral sagittal split osteotomy and molar intrusion using titanium screws

Togawa

Iino

Miyawaki

2010

The Angle Orthodontist

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Two-jaw surgery has been performed for the treatment of severe skeletal open bite cases to obtain stability of occlusion after treatment. If molar intrusion with titanium screws could be performed instead of surgical superior repositioning of the maxilla, the incidence of surgical invasion would be reduced. However, there have been few reports of such a therapy. This case report describes treatment for skeletal Class III and open bite with bilateral sagittal split osteotomy and intrusion of the molars using titanium screws. The patient had a concave profile, a long lower facial height, Class III malocclusion, and excessive anterior open bite following mandibular protrusion and a high mandibular plane angle. The mandible autorotated closed 3.5u following intrusion of the upper and lower molars using titanium screws during the presurgical orthodontic treatment phase. After the autorotation of the mandible, a mandibular setback with a bilateral sagittal split osteotomy was performed. The posttreatment records showed a good facial profile and occlusion. The mandible was stable 1 year after surgery. These results demonstrate that surgical orthodontic treatment combined with bilateral sagittal split osteotomy and intrusion of the molars using titanium screws can reduce the need for surgical invasion by avoidance of maxillary surgery and was effective for correcting the facial profile and occlusion in a skeletal Class III and open bite patient.

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Noncompliance Open-Bite Treatment with Zygomatic Anchorage

Abstract: Objective: To evaluate the dentoalveolar and skeletal effects of the new-generation open-bite appliance.

Cited by 88 publications

References 17 publications

Molar height and dentoalveolar compensation in adult subjects with skeletal open bite

Molar height and dentoalveolar compensation in adult subjects with skeletal open bite

Corticotomy for Correction of Skeletal Anterior Open Bite Using Miniplates as Skeletal Anchorage (A Clinical and Cone Beam Comparative Study)

Skeletal Class III and open bite treated with bilateral sagittal split osteotomy and molar intrusion using titanium screws

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