Alveolar and skeletal dimensions associated with lower face height

Beckmann, Stephan; Kuitert, Reinder; Prahl-Andersen, Birte; Segner, Dietmar; Tuinzing, D.B.

doi:10.1016/s0889-5406(98)70260-4

Cited by 65 publications

(68 citation statements)

References 20 publications

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“…When we evaluated incisor height along the long axis of the alveolar process, where the results are not biased by the inclination of incisors, dentoalveolar height of the mandibular incisors (MDIABHb) provided the greatest contribution to the dental compensatory process, as published previously by other authors. 11,25,26 Therefore, vertical dentoalveolar compensation in skeletal open bite adult patients appears to be caused by significant elongation of both upper and lower incisors, with lower incisors playing a more important role. This confirms that excessive extrusion of incisors in open bite treatment may bring results that are neither stable nor esthetic.…”

Section: Discussionmentioning

confidence: 99%

“…Similar findings were reported by Beckmann al. 11,25 and Kuitert et al 26 This difference implies that in skeletal open bite patients, the apices of the lower incisors may be located very close to the vestibular bone cortex because of the narrow morphology of the alveolar process. When high angle patients are treated, buccolingual position and inclination of the lower incisors should be altered with caution, to avoid the risk of root resorption or periodontal problems.…”

Section: Discussionmentioning

confidence: 99%

“…The choice of treatment protocol depends on many factors, including esthetic and occlusal aspects, morphologic characteristics, and the severity of the skeletal anomaly. [11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26] The indication for molar intrusion is often based on the assumption that the value of molar height in open bite patients is greater than in the ''normal population.'' 2,6,10,[27][28][29] Many authors state that increased molar height is one of the common features of individuals with dentoskeletal open bite, and they advocate molar intrusion to correct the disharmony.…”

Section: Introductionmentioning

confidence: 99%

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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: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

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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“…16,17,18 The type II anti-clockwise mandibular rotation presents its center at the incisor contact area, 9 and is not normally related to overbite. However, if occlusion of the incisors is unstable, the fulcrum point will be located more posteriorly, and the bite will deepen with time.…”

Section: Discussionmentioning

confidence: 99%

Association between overbite and craniofacial growth pattern

2010

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The purpose of the present study was to assess the association between overbite and craniofacial growth pattern. The sample comprised eighty-six cephalograms obtained during the orthodontic pretreatment phase and analyzed using the Radiocef program to identify the craniofacial landmarks and perform orthodontic measurements. The variables utilized were overbite, the Jarabak percentage and the Vert index, as well as classifications resulting from the interpretation of these measurements. In all the statistical tests, a significance level of 5% was considered. Measurement reliability was checked by calculating method error. Weighted Kappa analysis showed that agreement between the facial types defined by the Vert index and the direction of growth trend established by the Jarabak percentage was not satisfactory. Owing to this lack of equivalency, a potential association between overbite and craniofacial growth pattern was evaluated using the chi-square test, considering the two methods separately. No relationship of dependence between overbite and craniofacial growth pattern was revealed by the results obtained. Therefore, it can be concluded that the classification of facial growth pattern will not be the same when considering the Jarabak and the Ricketts analyses, and that increased overbite cannot be associated with a braquifacial growth pattern, nor can openbite be associated with a dolichofacial growth pattern.

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“…The measurements used in this study were modified from the report by Handelman 10 and Beckmann et al 19 The alveolar crest (AC) was defined as the most coronal level of the alveolar bone. 6 The distances between the AC and the CEJ were measured at the labial and lingual surfaces of the maxillary and mandibular right central incisors, parallel to the long axis of the tooth.…”

Section: Measurementmentioning

confidence: 99%

Alveolar Bone Loss around Incisors in Surgical Skeletal Class III Patients

Kim

Park

Kook

2009

The Angle Orthodontist

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Objective: To test the hypothesis that there is no difference in the vertical alveolar bone levels and alveolar bone thickness around the maxillary and mandibular central incisors in surgically treated skeletal Class III malocclusion patients. Materials and Methods:The study sample comprised 20 Korean patients with skeletal Class III malocclusion with anterior crossbite and openbite (9 male, 11 female, mean ages 24.1). Threedimensional cone beam computed tomography images were taken at least 1 month before the orthognathic surgery, and sagittal slices chosen at the labio-lingually widest point of the maxillary and mandibular right central incisor were evaluated. Measurement of the amount of vertical alveolar bone levels and alveolar bone thickness of the labial and lingual plate at the root apex was made using the SimPlant Pro 12.0 program. Results:The mandibular incisors showed reduced vertical alveolar bone levels than the maxillary incisors, especially on the lingual side. The alveolar bone thickness was significantly greater on the lingual side in the maxillary incisors, whereas the mandibular incisors exhibited an opposite result (P Ͻ .05). The percentage of vertical bone loss to root length showed a statistically significant difference between the upper labial and lower labial alveolar bone and also between the upper lingual and lower lingual alveolar bone, showing more bone loss in the lower incisors (P Ͻ .001). Conclusions:The hypothesis is rejected. For the skeletal Class III patients undergoing orthognathic surgery, special care should be taken to prevent or not aggravate preexisting alveolar bone loss in the anterior teeth, especially in the mandible. (Angle Orthod. 2009;79:676-682.)

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Alveolar and skeletal dimensions associated with lower face height

Cited by 65 publications

References 20 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

Association between overbite and craniofacial growth pattern

Alveolar Bone Loss around Incisors in Surgical Skeletal Class III Patients

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