Alveolar bone loss around lower incisors during surgical orthodontic treatment in mandibular prognathism

Lee, Kyung-Min; Kim, Yong‐Il; Park, Soo‐Byung; Son, Woo‐Sung

doi:10.2319/081711-526.1

Cited by 67 publications

(116 citation statements)

References 22 publications

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“…Coscia et al 9 reported vertical retention of alveolar bone after PAOO procedures with no changes, which indicated the regenerative effect of vertical alveolus augmentation was not achieved. Wang et al 10 and Lee et al 22 reported that the apical region had a larger amount of alveolus augmentation compared with the coronal region as shown by CBCT examination. This phenomenon might be associated with the surgical procedures and displacement of the graft material.…”

Section: Discussionmentioning

confidence: 94%

A Novel Surgical Technique for Augmented Corticotomy-Assisted Orthodontics: Bone Grafting With Periosteum

Chen

et al. 2016

Journal of Oral and Maxillofacial Surgery

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Section: Discussionmentioning

confidence: 94%

A Novel Surgical Technique for Augmented Corticotomy-Assisted Orthodontics: Bone Grafting With Periosteum

Chen

et al. 2016

Journal of Oral and Maxillofacial Surgery

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“…5,[9][10][11] The advent of cone-beam computed tomography (CBCT) has made it possible to qualitatively and quantitatively evaluate the height and thickness of the alveolar bone and the length and thickness of the root. 8,[12][13][14][15] To the authors' knowledge, few studies have investigated the alveolar bone and root of the individual teeth according to a customized reference plane using CBCT images. Therefore, the purpose of this study was to evaluate the morphometric changes in the alveolar bone and roots of the maxillary anterior teeth (MXAT) after en masse retraction with maximum anchorage (EMR-MA) using superimposition of individual teeth with CBCT images.…”

Section: Introductionmentioning

confidence: 99%

Morphometric evaluation of changes in the alveolar bone and roots of the maxillary anterior teeth before and after en masse retraction using cone-beam computed tomography

Ahn

Moon

Baek

2012

The Angle Orthodontist

106

131

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Objective: To evaluate the morphometric changes in the alveolar bone and roots of the maxillary anterior teeth (MXAT) after en masse retraction with maximum anchorage (EMR-MA). Materials and Methods: The samples consisted of 37 female adult patients who had Class I dentoalveolar protrusion (CI-DAP) and were treated by extraction of the first premolars and EMR-MA. Using three-dimensional cone-beam computed tomography taken before treatment and after space closure, the maxillary central incisors (MXCI, N 5 66), lateral incisors (MXLI, N 5 69), and canines (MXC, N 5 69) were superimposed using individual reference planes. After alveolar bone area (ABA), vertical bone level (VBL), root length (RL), root area (RA), and prevalence of dehiscence (PD) were measured at the cervical, middle, and apical levels, statistical analyses were performed. Results: On the palatal side, ABA significantly decreased in all levels of MXAT (P , .001; middle of MXC, P , .01). MXCI and MXLI exhibited a greater decrease in the ratio of change in palatal ABA than did MXC (cervical, P , .01; middle and apical, P , .05; total, P , .001). Palatal/labial ABA ratios decreased in MXCI (cervical, middle, total, P , .001; apical, P , .05) and MXLI (cervical, P , .001; apical, P , .05). They showed greater amounts and ratios of change in VBL on the palatal side compared to the labial side (all P , .001). The palatal side showed more PD in the cervical area than did the labial side (MXCI and MXLI, P , .001; MXC, P , .01). Significant root resorption occurred in MXAT (RL and RA, all P , .001). Conclusions: During EMR-MA in cases with CI-DAP, ABA and VBL on the palatal side and RL and RA of MXCI and MXLI were significantly decreased. (Angle Orthod. 2013;83:212-221.)

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“…5 Several studies have addressed the need of respecting anatomic limits in order to prevent iatrogenic phenomena such as bone loss, alveolar dehiscence, gingival recession, dental mobility, and other negative effects. [6][7][8][9][10][11][12] In the study by Handelman,6 107 Class I, II, and III skeletal malocclusions were evaluated. A decrease in the alveolar width was noted in all patients with malocclusions and long facial patterns and in Class III patients with normal faces.…”

Section: Introductionmentioning

confidence: 99%

Lower incisor dentoalveolar compensation and symphysis dimensions among Class I and III malocclusion patients with different facial vertical skeletal patterns

Molina-Berlanga

Llopis-Perez

Flores-Mir

et al. 2013

The Angle Orthodontist

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Objective: To compare lower incisor dentoalveolar compensation and mandible symphysis morphology among Class I and Class III malocclusion patients with different facial vertical skeletal patterns. Materials and Methods: Lower incisor extrusion and inclination, as well as buccal (LA) and lingual (LP) cortex depth, and mandibular symphysis height (LH) were measured in 107 lateral cephalometric x-rays of adult patients without prior orthodontic treatment. In addition, malocclusion type (Class I or III) and facial vertical skeletal pattern were considered. Through a principal component analysis (PCA) related variables were reduced. Simple regression equation and multivariate analyses of variance were also used. Results: Incisor mandibular plane angle (P , .001) and extrusion (P 5 .03) values showed significant differences between the sagittal malocclusion groups. Variations in the mandibular plane have a negative correlation with LA (Class I P 5 .03 and Class III P 5 .01) and a positive correlation with LH (Class I P 5 .01 and Class III P 5 .02) in both groups. Within the Class III group, there was a negative correlation between the mandibular plane and LP (P 5 .02). PCA showed that the tendency toward a long face causes the symphysis to elongate and narrow. In Class III, alveolar narrowing is also found in normal faces. Conclusions: Vertical facial pattern is a significant factor in mandibular symphysis alveolar morphology and lower incisor positioning, both for Class I and Class III patients. Short-faced Class III patients have a widened alveolar bone. However, for long-faced and normal-faced Class III, natural compensation elongates the symphysis and influences lower incisor position. (Angle Orthod. 2013;83:948-955.)

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Alveolar bone loss around lower incisors during surgical orthodontic treatment in mandibular prognathism

Abstract: Excessive forward movement of lower incisors during presurgical orthodontic treatment could cause alveolar bone loss around the lower incisors; thus, special care should be considered in individuals with mandibular prognathism.

Cited by 67 publications

References 22 publications

A Novel Surgical Technique for Augmented Corticotomy-Assisted Orthodontics: Bone Grafting With Periosteum

A Novel Surgical Technique for Augmented Corticotomy-Assisted Orthodontics: Bone Grafting With Periosteum

Morphometric evaluation of changes in the alveolar bone and roots of the maxillary anterior teeth before and after en masse retraction using cone-beam computed tomography

Lower incisor dentoalveolar compensation and symphysis dimensions among Class I and III malocclusion patients with different facial vertical skeletal patterns

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