Application of cephalometric analysis for determination of vertical dimension of occlusion: A literature review

Strajnić, Ljiljana; Stanisic-Sinobad, Darinka

doi:10.2298/mpns1206217s

Cited by 11 publications

(9 citation statements)

References 10 publications

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“…In addition, it was shown that an increase in VDO might be related to the interaction of dental arches; a decrease in VDO might be related to the expansion of dental arches due to the muscle tonicity and the contour of the lips. 15 The difference in the VDO between males and females was consistent with the results of the present study.…”

Section: Discussionsupporting

confidence: 92%

Determining the distance from the lingual frenum anterior attachment to the lower incisors’ incisal edges

Mahboub

Kimyai

Molavi

2016

J Dent Res Dent Clin Dent Prospects

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Background. Occlusal rims are used to determine the jaw relationships in the transverse and vertical dimensions and estimate the inter-occlusal distance in edentulous patients. It is important to find ways to determine the height and shape of the occlusal rims correctly. This study was undertaken to determine the exact distance from the oral cavity floor to the incisal edges of mandibular incisors to serve as a guide for adjusting the height of the mandibular occlusal rim.Methods. Forty patients were selected and special trays were fabricated to prepare accurate stone casts on which the measurements were made at 0.01-mm accuracy. Two marks were placed on the casts at the incisal edges of mandibular incisors and at anterior attachment of lingual frenum. Then the distance between these two marks was determined on the vertical spindle of a surveyor using a digital Vernier measuring tool and recorded.Results. The results showed that the mean and standard deviation of the distances between the oral cavity floor and the incisal edges of lower incisors were 14.35 ± 1.68 mm, with a range of 10.2‒17.02 mm. The mean distances in males and females were 15.42 ± 0.97 and 13.28 ± 1.57 mm, respectively. T-test showed significant differences in this distance between males and females, with greater distances in males. Conclusion. The distance between the oral cavity floor and the incisal edges of mandibular incisors at anterior attachment of lingual frenum might be a proper criterion for the initial adjustment of occlusal rims.

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Section: Discussionsupporting

confidence: 92%

Determining the distance from the lingual frenum anterior attachment to the lower incisors’ incisal edges

Mahboub

Kimyai

Molavi

2016

J Dent Res Dent Clin Dent Prospects

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“…The face of the patient demonstrated an important vertical height excess with lips incompetence and a severe dental anterior open-bite malocclusion. As well known, correcting the vertical dimension of the face always involves difficult decisions, for both long and short face situations [ 43 – 46 ]. The orthodontic presurgical treatment was decided by the usual approach studying the face, the occlusion, the casts, and the 2D cephalometry.…”

Section: Case Presentationmentioning

confidence: 99%

Virtual Planning of a Complex Three-Part Bimaxillary Osteotomy

Blasio

Anghinoni

Blasio

2017

Case Reports in Dentistry

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In maxillofacial surgery, every patient presents special problems requiring careful evaluation. Conventional methods to study the deformities are still reliable, but the advent of tridimensional (3D) imaging, especially computed tomography (CT) scan and laser scanning of casts, created the opportunity to better understanding the skeletal support and the soft tissue structures. Nowadays, virtual technologies are increasingly employed in maxillofacial surgery and demonstrated precision and reliability. However, in complex surgical procedures, these new technologies are still controversial. Especially in the less frequent cases of three-part maxillary surgery, the experience is limited, and scientific literature cannot give a clear support. This paper presents the case of a young patient affected by a complex long face dentofacial deformity treated by a bimaxillary surgery with three-part segmentation of the maxilla. The operator performed the surgical study completely with a virtual workflow. Pre- and postoperative CT scan and optical scanning of plaster models were collected and compared. Every postoperatory maxillary piece was superimposed with the presurgical one, and the differences were examined in a color-coded map. Only mild differences were found near the osteotomy lines, when the bony surface and the teeth demonstrated an excellent coincidence.

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“…One of the important areas of research in modern odontology is the assessment of normative indicators of teleradiographic indicators and their relationships with each other in different types of occlusion, especially in orthognathic [19].…”

Section: Introductionmentioning

confidence: 99%

Regression models of teleradiographic parameters according to the Bjork method in young men and young women with orthognathic occlusion

Vakhovskyi¹

2021

Rep. of Vinnytsia Nation. Med. Univ.

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Annotation. The ability to predict the values of certain teleradiographic indicators and their correlations for young people in need of dental care is a promising area of research. The data obtained will be able to more accurately help doctors build a treatment plan. The aim of the study was to build and analyze regression models of teleradiographic parameters according to the Bjork method in young men and young women with orthognathic occlusion. Cephalometric analysis of lateral teleradiograms (49 young men and 76 young women with orthognathic occlusion) according to the modification of the Bjork A. – CFT-Bjork method, performed using OnyxCeph³™ software, 3DPro version, from Image Instruments GmbH, Germany. Cephalometric parameters were divided into three groups: the first – metric characteristics of the skull, which are used as baseline indicators; the second – indicators of the upper and lower jaws; third – indicators that characterize the position of the teeth relative to each other, cranial structures and the profile of the soft tissues of the face. Regression models of teleradiographic indicators by the Bjork method are built in the license package “Statistica 6.0”. When modeling teleradiography indicators according to the Bjork method, which were included in the second group, depending on the indicators of the first group in young men with orthognathic occlusion, 9 out of 13 possible reliable regression models with a coefficient of determination greater than 0.5 (R2 = from 0.528 to 0.775) were constructed. The constructed regression equations most often include the value of the angles S-N-Pog, NSL/NL, NSL/ML, NL/ML, A-N-Pog, S-N-B and the distance Ii-Is. In young women with orthognathic occlusion, 7 reliable models of indicators of the third group were constructed depending on the indicators of the first and second groups (R2 = from 0.508 to 0.844). The constructed regression equations most often include the value of the angles NSL/ML, NL/ML, A-N-Pog, ML/RL and A-N-B. In young men and young women, the models of indicators belonging to the second group, depending on the indicators of the first group, had coefficients of determination less than 0.5, or were not built at all.

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Application of cephalometric analysis for determination of vertical dimension of occlusion: A literature review

Cited by 11 publications

References 10 publications

Determining the distance from the lingual frenum anterior attachment to the lower incisors’ incisal edges

Determining the distance from the lingual frenum anterior attachment to the lower incisors’ incisal edges

Virtual Planning of a Complex Three-Part Bimaxillary Osteotomy

Regression models of teleradiographic parameters according to the Bjork method in young men and young women with orthognathic occlusion

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