Treatment of a class I malocclusion with severe bimaxillary protrusion

Langberg, Blaine J.; Todd, Anne Marie

doi:10.1016/j.ajodo.2003.10.039

Cited by 16 publications

(18 citation statements)

References 17 publications

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“…25,26 It has the advantage that the light force can be applied to each individual tooth. In DW's case, an open coil spring was placed on the arch wire in the area of the impacted teeth.…”

Section: Discussionmentioning

confidence: 99%

Treatment of a Patient with Multiple Impacted Teeth

Conley

Boyd

Legan

et al. 2007

The Angle Orthodontist

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An impacted or missing permanent tooth can add significant complications to an otherwise straightforward case. When multiple impacted teeth are present, the case complexity increases further. Developing a treatment sequence, determining appropriate anchorage, and planning and executing sound biomechanics can be a challenge. The following case report illustrates a patient reportedly diagnosed with mild scleroderma as an adolescent. He presented for orthodontic treatment as an adult with multiple retained primary teeth and multiple impacted teeth. Diagnosis, treatment planning, and various methods of managing guided eruption of impacted teeth will be discussed. Following orthodontic treatment that required extraction of multiple primary and permanent teeth as well as exposure and ligation of multiple permanent teeth by an oral surgeon, the patient finished with a significantly improved functional and esthetic result.

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“…25,26 It has the advantage that the light force can be applied to each individual tooth. In DW's case, an open coil spring was placed on the arch wire in the area of the impacted teeth.…”

Section: Discussionmentioning

confidence: 99%

Treatment of a Patient with Multiple Impacted Teeth

Conley

Boyd

Legan

et al. 2007

The Angle Orthodontist

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“…Increased upper lip procumbency is commonly associated with protrusive maxillary dentition in Angle Class II Division 1 malocclusions and Class I malocclusions. [12] The treatment plan often includes extraction of the maxillary premolars, followed by retraction of the anterior teeth with maximum anchorage. [3] Miniscrews provide an efficient system of bony anchorage for anterior retraction without affecting the posterior dentition.…”

Section: Introductionmentioning

confidence: 99%

Correction of Class II malocclusion and soft tissue profile in an adult patient

2016

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Treatment of Class II malocclusion in nongrowing individuals is a challenging situation for the clinician. Class II malocclusion with bialveolar protrusion often dictates premolar extractions with maximum anchorage. The present article describes the case of an adult female with skeletal Class II malocclusion, bimaxillary protrusion, increased overjet, deep bite, lip protrusion, everted lower lip, deep mentolabial sulcus, and lip incompetence. To correct the malocclusion, all four first premolars were extracted. Direct anchorage from miniscrews was used for retraction of the anterior segment. The mandibular buccal segment was protracted into the extraction space using Class II mechanics. Ideal Class I canine and molar relation were achieved in 24 months. There was a significant improvement in facial profile and smile esthetics of the patient.

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“…3 Adult cephalometric characteristics of patients with BP include shorter posterior cranial base, longer and more anteriorly positioned maxilla, shorter mandibular ramus and longer mandibular body, hence appropriately situated mandible, shorter upper face and posterior height, farther cephalometric horizontal planes and higher H angle INA < 125° (normally = 131°), upper incisor to palatal plane > 115° (normally > 109°) and IMPA angle > 99° (normally less than 93°). [6][7][8] This deformity is associated with anterior-posterior skeletal malocclusions class I, II and III. Severe cases need orthognathic surgery.…”

Section: -5mentioning

confidence: 99%

Effects of Bimax and Segmental Surgeries for Correction of Bimaxillary Dentoalveolar Protrusion Class I on Soft Tissue Parameters: Upper lip Thickness and Curvature, Nasolabial Angle and Nasal Prominence

Rahpeyma

Khajehahmadi

2013

The Journal of Contemporary Dental Practice

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Aim:Results of this study can show if bimax surgery for posterior repositioning of maxilla and correction of BPCLI has priority to the currently used segmental orthognathic surgery or not. Materials and methods:This study was done on 40 whiteskinned Iranian patients with bimaxillary dentoalveolar protrusion class I (BPCLI) who sought treatment for their deformity. In the first group, treatment includes segmental surgery for backward replacement of anterior segment of the upper and lower jaw. In the second group, treatment was bimax surgery, in which whole upper and lower jaw moved backward. Twenty patients were included in each group. For this purpose, we measured upper lip thickness (ULT, distance between LS and IA), nose prominence (NP, distance between nasal tip and the perpendicular line from upper lip vermilion on FHP), subsulcus depth (SSD, distance of SLS from this perpendicular line), SN to H line distance and finally, nasolabial angle (NLA) before and after surgery.Results: In our study, 65% of patients were female and the mean of age was 27 (17-39) years old. The mean of SNA, SNB, ANB and INA in our patients were 81.7 ± 2.9, 78.8 ± 2.8, 4.50 ± 1.4 and 120 ± 8.7, respectively. All variables except SSD were analyzed with t-test to compare the results of two methods of surgery. Differences in the values of NP, NLA, SN to H line distance and ULT before and after segmental and bimax surgeries between before and after surgery were significant. After surgeries, ULT and the SN to H line distance reduced significantly, and NLA became corrected to its normal range (90-110). Conclusion:The results of this study showed that bimax and segmental surgeries can effectively correct BPCLI. Because of possible dental and periodontal complications of segmental surgery, we highly recommend bimax surgery for treatment of BPCLI.

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Treatment of a class I malocclusion with severe bimaxillary protrusion

Cited by 16 publications

References 17 publications

Treatment of a Patient with Multiple Impacted Teeth

Treatment of a Patient with Multiple Impacted Teeth

Correction of Class II malocclusion and soft tissue profile in an adult patient

Effects of Bimax and Segmental Surgeries for Correction of Bimaxillary Dentoalveolar Protrusion Class I on Soft Tissue Parameters: Upper lip Thickness and Curvature, Nasolabial Angle and Nasal Prominence

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