Lower incisor inclination in relation to facial biotype in skeletal Class I patients

Hurtado, Rafael Mora; Serna, María Eugenia Vera; Uribe‐Querol, Eileen

doi:10.1016/j.rmo.2016.10.031

Cited by 4 publications

(6 citation statements)

References 9 publications

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“…A correlation between lower anterior crowding and growth vector of the mandible as a prediction of arch form, final tooth position, and the available space was possible only if the relationship between the skeletal growth pattern and development of the dentition was known. 21 However, Lundstrom, 22 found no correlation among dimensional changes of the arch and developmental stage, changes in the incisor position within the mandible, and direction of mandibular growth. The results of this study were contrary to Bell et al, 23 who observed that between the ages of 8 and 14 years, in cases with lower incisor crowding, an increase in lingual crown tipping occurred.…”

Section: Tabel-ii: Correlation Coefficient (R) Between Lower Incisors...mentioning

confidence: 99%

“…The A-Pog line was used to evaluate the modification that has been done during the orthodontic treatment; in our study, no correlation was found between the A-Pog line and incisors inclination. 20 In Class-III malocclusion, 21 pronounced divergences of the maxillo-mandibular complex and an obtuse gonial angle were related to retroclinedlower incisors. The observed correlation was stronger in males as compared to females and was incontestably more prominent in preadolescents.…”

Section: Tabel-ii: Correlation Coefficient (R) Between Lower Incisors...mentioning

confidence: 99%

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Correlation Between Degree of Mandibular Incisors Crowding, Lower Incisor Position and Vertical Craniofacial Configuration in Different Malocclusions

Amin

Zaheer

Waqar

et al. 2022

PAFMJ

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Objective: To evaluate the correlation between the degree of mandibular incisor crowding, lower incisor position and vertical craniofacial configuration in different malocclusions. Study Design: Cross-sectional analytical study. Place and Duration of Study: Orthodontics department, Armed Forces Institute of Dentistry, Rawalpindi Pakistan, from Jan to Dec 2018. Methodology: This study was conducted on 100 pre-treatment study casts and lateral cephalographs of orthodontic, aged 10 to 26 years. Patients who presented with complaints of lower incisors crowding were included in the study. The cephalogram tracings, calculations and lower incisor crowding measurements were taken. All the fifteen parameters of vertical craniofacial configuration, lower incisors position and sagittal skeletal base relationship were measured. Result: Out of 100 patients, 45 were males and 55 were females with a mean age of 16.11 ± 3.53 years. According to this study, there was no statistically significant correlation between the degree of lower incisor crowding and vertical facial proportions and incisor position in studied malocclusions. Conclusion: The lower incisor crowding was a local and independent discrepancy. It was a frequently encountered problem, successful therapy depends upon several contributing factors that must be identified for successful management.

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Section: Tabel-ii: Correlation Coefficient (R) Between Lower Incisors...mentioning

confidence: 99%

Section: Tabel-ii: Correlation Coefficient (R) Between Lower Incisors...mentioning

confidence: 99%

Correlation Between Degree of Mandibular Incisors Crowding, Lower Incisor Position and Vertical Craniofacial Configuration in Different Malocclusions

Amin

Zaheer

Waqar

et al. 2022

PAFMJ

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show abstract

“…In addition, it was found that a greater inclination of the incisors is observed in persons of dolichocephalic type than brachiocephalic. At the same time, no statistically significant difference in the inclination of the incisors between dolichocephalus and mesocephalus was found [14].…”

Section: т 25 №3mentioning

confidence: 75%

Determination of normative cephalometric parameters according to the Ricketts method for ukrainian young men and young women with different face types

Drachevska¹,

Dmitriev²,

Likhitskyi³

et al. 2021

Rep. of Vinnytsia Nation. Med. Univ.

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Annotation. Due to the fact that orthodontic treatment is primarily aimed at young people, first of all, cephalometric standards for its proper use should be obtained for this age group by conducting a study taking into account the sex and nationality of the subjects. The aim of the study was to establish the features of cephalometric parameters by the Ricketts method in Ukrainian young men and young women with orthognathic occlusion depending on the type of face and to determine the sex differences of these parameters. 49 young men and 76 young women with orthognathic occlusion in OnyxCeph³™, 3DPro version, Image Instruments GmbH, Germany (license № URSQ-1799) underwent a cephalometric study using the Ricketts method. The division into facial types was performed using the Garson index. As in previous studies, cephalometric parameters were divided into three groups. The analysis of the second (characteristics of jaws by the Ricketts method) and the third (indicators by the Ricketts method that characterize the position of the teeth) groups was performed. Statistical processing of the survey results was performed in the licensed statistical package “Statistica 6.0” using non-parametric evaluation methods. As a result of the conducted researches at young men or young women between different types of face numerous reliable and tendencies of both similar differences, and the corresponding differences of differences of cephalometric parameters according to the Ricketts method concerning the second (higher number) or third groups are established. The pronounced manifestations of sexual dimorphism of cephalometric parameters between young men and young women with the corresponding facial types are established only for the indicators of the second group. The obtained results will improve the existing methods of treatment of dental patients and minimize the likelihood of diagnostic errors and complications.

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“…Determination of the position of the lower incisors in the sagittal plane is one of the key positions in the diagnosis, planning and control of treatment of dental ankles [9,25]. First of all, because together with the upper incisors, in addition to the function of biting, they also play an aesthetic function.…”

Section: Introductionmentioning

confidence: 99%

“…MoraHurtado, M.E. VeraSerna and E. Uribe-Querol [25] point to the importance of choosing an orthodontic device that affects the position of the lower incisors, depending on the type of patient's face. Namely, their study in individuals with normognatic type of closure of molars (class 1 by Engle) revealed statistically significant differences in the characteristics of the lower incisors between the mesocephalic and brachiocephalic types and the increase in the inclusions of the latter in dolichocephalic compared with brachycephalic.…”

Section: Introductionmentioning

confidence: 99%

Determination of individual teleroentgenographic characteristics of the lower medial incisors position in Ukrainian young men and young women with orthognathic bite

et al. 2018

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Ethnic, sexual and age features of the incisors positions point to the need for the development of techniques that allow to determine their individual characteristics, since commonly accepted standards recommended for optimal positioning of incisors can only be used as indicative. The purpose of the study – by studying teleroentgenographic indices and conducting direct stepwise regression analysis in young men and young women of Ukraine with orthognathic bite, to develop and analyze the mathematical models of individual characteristics of the position of the lower medial incisors. With the Veraviewepocs 3D device, Morita (Japan) in 38 young men (17 to 21 years of age) and 55 young women (aged from 16 to 20 years) with occlusion close to orthognathic bite and balanced faces received side teleroentgenograms. Cephalometric analysis was performed using OnyxCeph3TM software. Cephalometric points and measurements were performed according to the recommendations of A.M. Schwarz, J. McNamara, W.B. Downs, R.A. Holdway, P.F. Schmuth, C.C. Steiner and C.H. Tweed. According to the above methods, in the licensed package “Statistica 6.0” using direct straight line regression analysis, the teleroentgenographic characteristics of the position of the lower medial incisors (distance 1l_NB, distance 1l_APog, angle 1l_DOP, IMPA angle, Mand1_NB angle, FMIA angle and Mand1_MeIm angle) were performed. In young men with orthognathic bite of 7 possible models of teleroentgenographic characteristics of the lower medial incisors, 5 were constructed with determination coefficient R2 from 0.694 to 0.849, and in young women, all 7 possible models with determination coefficient R2 from 0.595 to 0.794. In young men most often the regression equations included - the angle ANB and facial vertical index GL_SN_S (by 11.5%); lower face height ANS_ME, face angle NBA_PTGN and distance S_E (by 7.7%). In young women most often the regression equations included – the angle of N_POG (16.7%); Wits indicator (13.9%); inclination angle I (8.3%); H-angle, maxillo-mandibular angle MM and angle of facial axis NBA_PTGN (by 5.6%). Thus, in the work with the help of the method of stepwise regression with inclusion, among Ukrainians of juvenile age, on the basis of features teleroentgenographic indicators, the analysis of reliable models of individual teleroentgenographic characteristics of the position of the lower medial incisors was developed and carried out.

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Lower incisor inclination in relation to facial biotype in skeletal Class I patients

Cited by 4 publications

References 9 publications

Correlation Between Degree of Mandibular Incisors Crowding, Lower Incisor Position and Vertical Craniofacial Configuration in Different Malocclusions

Correlation Between Degree of Mandibular Incisors Crowding, Lower Incisor Position and Vertical Craniofacial Configuration in Different Malocclusions

Determination of normative cephalometric parameters according to the Ricketts method for ukrainian young men and young women with different face types

Determination of individual teleroentgenographic characteristics of the lower medial incisors position in Ukrainian young men and young women with orthognathic bite

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