scholarly journals Evaluation of Lip Profile in Adolescent Subjects with Skeletal Class I Occlusion and Class III Malocclusion

2012 ◽  
Vol 12 (1) ◽  
pp. 177-184
Author(s):  
Manar Abdul-Qadir ◽  
Saba Al-Zubaidy ◽  
Raed Saeed
Keyword(s):  
Class I ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Skeletal Class

Comparison of skeletal anchorage and tooth-borne maxillary protraction followed by fixed appliance in Class III malocclusion

2019 ◽  
Vol 42 (2) ◽  
pp. 193-199 ◽  
Author(s):  
Sang-Hoon Lee ◽  
Sang-Duck Koh ◽  
Dong-Hwa Chung ◽  
Jin-Woo Lee ◽  
Sang-Min Lee
Keyword(s):  
Phase Ii ◽  
Class I ◽  
Skeletal Anchorage ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Fixed Appliance ◽  
Skeletal Class ◽  
Maxillary Protraction ◽  
Lateral Cephalograms ◽  
Residual Growth

Summary Objectives The purpose of this study was to compare the results of skeletal anchorage (SAMP) and tooth- borne (TBMP) maxillary protraction followed by fixed appliance in growing skeletal Class III patients. Materials and methods Patients treated with maxillary protraction were selected and classified into two groups (SAMP: n = 19, mean age = 11.19 years; TBMP: n = 27, mean age = 11.21 years). Lateral cephalograms taken before treatment (T0), after the maxillary protraction (T1), and after the fixed appliance treatment (T2) were analysed and all variables were statistically tested to find difference between the two groups. Results Compared to the TBMP, the SAMP showed significant forward growth of maxilla (Co-A point and SN-Orbitale) and improvement in intermaxillary relationship (ANB, AB to mandible plane, and APDI) after the overall treatment (T0–T2), with no significant sagittal changes in maxilla or mandible throughout the fixed appliance treatment (T1–T2). Limitations In maxillary protraction, effects of skeletal anchorage were retrospectively compared with those of dental anchorage, not with Class I or III control. Conclusions and implications After maxillary protraction, skeletal and tooth-borne anchorage did not cause significant differences in the residual growth of maxilla throughout the phase II treatment. Orthopaedic effects with skeletal anchorage showed appropriate stability in maxilla and intermaxillary relationship even after fixed appliance treatment.

scholarly journals Time and pattern of the fusion of the spheno-occipital synchondrosis in patients with skeletal Class I and Class III malocclusion

2018 ◽  
Vol 89 (3) ◽  
pp. 470-479
Author(s):  
Jae-Hee Yang ◽  
Bong-Kuen Cha ◽  
Dong-Soon Choi ◽  
Jae Hyun Park ◽  
Insan Jang
Keyword(s):  
Computed Tomography ◽  
Class I ◽  
Cone Beam ◽  
Growth Spurt ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Pubertal Growth Spurt ◽  
Skeletal Class ◽  
Pubertal Growth ◽  
Stage System

ABSTRACT Objectives: To investigate the time and pattern of fusion of the spheno-occipital synchondrosis in patients with skeletal Class I and Class III malocclusion using cone-beam computed tomography (CBCT). Materials and Methods: A total of 262 CBCT images were collected: 140 skeletal Class I (0° < ANB < 4°; 71 males, 69 females) and 122 skeletal Class III (ANB ≤ 0°; 61 males and 61 females). The fusion stages were identified using CBCT images of a six-stage system defined by the appearance of osseous cores and ossifying vestige in the synchondrosis. The age distributions of each stage and the pattern of fusion were evaluated. Results: The stages of fusion progressed with increasing age (P < .05, r = .824), and the age distributions in the female groups were generally 1 to 3 years younger than those in the male groups. However, no significant differences were observed between the skeletal Class I and Class III groups regarding the time of ossification of the synchondrosis. The osseous cores appeared most frequently in the supero-center part, followed by the mid-center part of the synchondrosis. Conclusions: The time and pattern of fusion of the spheno-occipital synchondrosis are not apparently different between patients with Class I malocclusion and those with Class III malocclusion. The osseous cores appear frequently in the supero-center and mid-center of the synchondrosis with various patterns before the end of the pubertal growth spurt period.

scholarly journals Perawatan Maloklusi Pseudo Kelas III dengan Alat Ortodontik Cekat Teknik Begg

2016 ◽  
Vol 19 (1) ◽  
pp. 163
Author(s):  
Robertus Meidiyanto ◽  
Wayan Ardhana
Keyword(s):  
Class I ◽  
Intermediate Form ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Fixed Appliance ◽  
Skeletal Class ◽  
Gonial Angle ◽  
Skeletal Changes ◽  
Sample Measurement ◽  
Relationship Of

Latar Belakang: Maloklusi Pseudo kelas III ditandai dengan hubungan yang tidak harmonis antara relasi anteroposterior rahang dan posisi mandibula terhadap maksila. Ketidakharmonisan tersebut dapat disebabkan karena mandibula yang normal dengan maksila retrusif. Maloklusi pseudo kelas III mempunyai perhitungan yang menunjukkan bentuk antara klas I dan skeletal klas III. Perbedaanya hanya pada sudut gonial dimana pada skeletal klas III sudutnya lebih tumpul, sedangkan pada sampel pseudo klas III, sudut gonial lebih mirip dengan klas I. Perawatan ortodontik dengan alat cekat teknik Begg dapat juga untuk merawat maloklusi Angle kelas III, termasuk maloklusi skeletal yang menyertainya. Tujuan: memaparkan perubahan dental dan skeletal setelah perawatan dengan alat cekat teknik Begg. Kasus: perempuan 20 tahun mengeluhkan gigi-gigi rahang atas ada yang tumbuh di belakang dan rahang bawah nyakil sehingga menganggu penampilan dan mengurangi rasa percaya diri. Diagnosis: Maloklusi Angle Klas III subdivisi serta hubungan skeletal klas III dengan maksila retrusif dan mandibula protusif disertai Crossbite: 12, 11, 21, 22 terhadap 34, 32,31, 41, 42, 43. Perawatan: menggunakan alat cekat teknik Begg tanpa pencabutan. Kesimpulan: Hasil menunjukkan crowded terkoreksi, overjet dan overbite terkoreksi, relasi molar menjadi klas I. Background: Pseudo class III malocclusion characterized by disharmony between anteroposterior relationship of jaw and mandibulae position toward maxilla. This disharmony cause by normally shaped mandibles and underveloped maxillae. Pseudo clas III malocclusion is an intermediate form between class I and skeletal clas III malocclusion. The only exception was the gonial angle, which was generally more obtuse in the skeletal class III sample. Measurement of gonial angle in the pseudo class III sample was found to be rather similar to class I sample. Fixed Begg orthodontic appliance can be used to treat Angle’s class III malocclusion accompany with skeletal problem. Purpose: to describe dental and skeletal changes after begg fixed orthodontic. Case: 20 year old woman complained of crowded maxilla front teeth and mandible protrusion. Diagnosis: malocclusion Angle class III subdivision, skeletal class III with maxilla retruded and mandibular pronation along with anterior crossbite: 12, 11, 21, 22, to 34, 32, 31, 41, 42, 43. Treatment: using the Begg fixed appliance techniques without extraction. Conclusion: The result showed that crowded, overjet and overbite corrected, and molar relation become class I.

scholarly journals The nonsurgical Orthodontic correction of a Class III malocclusion Case report

2015 ◽  
Vol 3 (1) ◽  
pp. 38-41
Author(s):  
Md Sayeedul Islam ◽  
Md Zakir Hossain
Keyword(s):  
Case Report ◽  
Functional Class ◽  
Class I ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Skeletal Class ◽  
Maxillary Arch

This is a case report of a patient with a skeletal Class III malocclusion and maxillary arch deficiency. The patient was treated without extraction or surgery by increasing the maxillary arch length. Protraction of the maxillary complex and A point was the result. Favorable growth of both the maxilla and the mandible resulted in a functional Class I occlusion and an improved skeletal relationship.Ban J Orthod & Dentofac Orthop, October 2012; Vol-3, No.1

scholarly journals Efektifitas Penggunaan Inverted Labial Bow pada Maloklusi Kelas III Skeletal (Laporan Kasus)

2020 ◽  
Vol 8 (1) ◽  
pp. 7-14
Author(s):  
Nelvi Yohana ◽  
Siti Bahirah
Keyword(s):  
Early Treatment ◽  
Growth Stage ◽  
Asian Population ◽  
Growth Period ◽  
Class I ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Orthodontic Appliance ◽  
Skeletal Class ◽  
Effective Result

The prevalence of Class III malocclusion in the Asian population is between 9% to 19%. Early treatment for Class III malocclusion can be done with some modified intervention on the growth stage. The inverted labial bow appliance was applied on Class III malocclusion patient in growth period show an effective result. The study showed the effectiveness of inverted labial bow appliance on Class III malocclusion. A 9 years 4 months old girl patient came with unaesthetic problem. Lateral cephalometric examination revealed a skeletal Class III malocclusion (ANB -1°, Wits appraisal -8 mm). Removable orthodontic appliance with inverted labial bow and expansion screw was applied on the maxilla of this patient. The treatment was carried out for 9 months. The result of this treatment was skeletal Class I (ANB 2°, Wits appraisal -4 mm). This procedure was simple and effective to correct the skeletal Class III malocclusion on growth stage patient.

A study to compare nasopharyngeal airway space in skeletal Class I, Class II, and Class III malocclusion

2021 ◽  
Vol 0 (0) ◽  
pp. 0
Author(s):  
VijaysinhRamchandra Tanpure ◽  
SV Kalavani ◽  
FirozBabu Palagiri ◽  
K Bhagyalakshmi ◽  
SatishBabu Devaki
Keyword(s):  
Class Ii ◽  
Class I ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Skeletal Class ◽  
Nasopharyngeal Airway

Quantitative Analysis of Body Posture and Its Correlation With Cervical Posture in Various Malocclusions

2021 ◽  
Author(s):  
Shruthi Pradeep ◽  
Priyanka Venkatasubramanian ◽  
Ratna Parameswaran ◽  
Devaki Vijayalakshmi
Keyword(s):  
Class Ii ◽  
Body Posture ◽  
Force Platform ◽  
Class I ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Skeletal Class ◽  
Skeletal Malocclusion ◽  
Lateral Cephalograms ◽  
Cervical Posture

Abstract BACKGROUND: Considering that malocclusions can cause cervico-mandibular and cervico-cranial disorders, the aim of this study is to investigate whether there are significant differences in posture in subjects with skeletal class I, class II and skeletal class III malocclusion METHODS: A clinical study conducted on 90 subjects with Angle`s class I, II, III skeletal malocclusion. Standardized Casts of the subjects were used to analyze the tooth characteristics. Lateral cephalograms were used to assess cervical posture through cervical skull Rocabado analysis. A customized force platform with pressure sensors were used for posture analysis. RESULTS: There is a difference in body posture in subjects with skeletal class I, class II and class III malocclusion and a positive correlation between body posture and cervical posture is found in subjects with these classes of skeletal malocclusion. Subjects with class I malocclusion were found to have a normal cervical and body posture. Strain values from the force platform showed equal distribution of strain on both the feet. Subjects with class II malocclusion were found to have a forward cervical posture with the forward lean of body posture. Subjects with class III skeletal malocclusion were found to have a backward cervical posture with the posterior lean of body posture. CONCLUSION: The results suggest that different classes of malocclusion present with an alteration in cervical and body posture. Correction of the malocclusion or an intervention plan for the prevailing malocclusion should be done as early as possible which can be used to correct the posture thereby restoring the equilibrium of the body.

scholarly journals Vertical facial disproportions in children with Class III malocclusion

2019 ◽  
Vol 147 (3-4) ◽  
pp. 152-159
Author(s):  
Zdenka Stojanovic ◽  
Jasmina Milic ◽  
Verica Pavlic
Keyword(s):  
Mixed Dentition ◽  
Class I ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Gender Dimorphism ◽  
Early Therapy ◽  
Skeletal Class ◽  
Facial Height ◽  
Significant Difference ◽  
Experimental Group

Introduction/Objective. Class III malocclusion is a sagittal intermaxillary disproportion with dominant presence of mandible. Apart from primary sagittal, anomalies in vertical face dimension can also be present. The aim of this study is to evaluate vertical facial disproportions in the skeletal Class III malocclusion in stage of mixed dentition, in order to better plan its early therapy. Methods. In total 100 children were randomly selected and divided according to cephalometric analyzes in the two equal groups: Group 1 (experimental group) ? skeletal Class III malocclusion (n = 50) and Group 2 (control group) ? skeletal Class I (n = 50). The groups were further divided into three subgroups according to the age and gender of the children. Vertical craniofacial proportions were measured by anterior (upper, lower and total) and posterior facial height and their proportion. The values were statistically analyzed (p ? 0.05). Results. Upper anterior, lower anterior, total anterior and posterior facial height, proportion between lower and total anterior facial height, and proportion of posterior to total anterior facial height did not have a significant difference among children with Class I and Class III malocclusions. Upper anterior facial height proportional to total anterior facial height was statistically significant greater in experimental group when compared to control. Significant gender dimorphism was noted among the same subgroups. Conclusion. Vertical craniofacial proportions in children with Class III malocclusion in stage of mixed dentition was not significantly changed. This finding leaves room for the successful application of early, individually planned orthodontic therapy.

scholarly journals Björk-Jarabak cephalometric analysis on CBCT synthesized cephalograms with different dentofacial sagittal skeletal patterns

2014 ◽  
Vol 19 (6) ◽  
pp. 46-53 ◽  
Author(s):  
Yalil Augusto Rodriguez-Cardenas ◽  
Luis Ernesto Arriola-Guillen ◽  
Carlos Flores-Mir
Keyword(s):  
Class I ◽  
Cone Beam ◽  
Cephalometric Analysis ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Skeletal Class ◽  
Gonial Angle ◽  
Lateral Cephalograms ◽  
Standard Values ◽  
Range Test

OBJECTIVE: The objective of this study was to evaluate the Björk and Jabarak cephalometric analysis generated from cone-beam computed tomography (CBCT) synthesized lateral cephalograms in adults with different sagittal skeletal patterns.METHODS: The sample consisted of 46 CBCT synthesized cephalograms obtained from patients between 16 and 40 years old. A Björk and Jarabak cephalometric analysis among different sagittal skeletal classes was performed. Analysis of variance (ANOVA), multiple range test of Tukey, Kruskal-Wallis test, and independent t-test were used as appropriate.RESULTS: In comparison to the standard values: Skeletal Class III had increased gonial and superior gonial angles (P < 0.001). This trend was also evident when sex was considered. For Class I males, the sella angle was decreased (P = 0.041), articular angle increased (P = 0.027) and gonial angle decreased (P = 0.002); whereas for Class III males, the gonial angle was increased (P = 0.012). For Class I females, the articular angle was increased (P = 0.029) and the gonial angle decreased (P = 0.004). Björk's sum and Björk and Jabarak polygon sum showed no significant differences. The facial biotype presented in the three sagittal classes was mainly hypodivergent and neutral.CONCLUSIONS: In this sample, skeletal Class III malocclusion was strongly differentiated from the other sagittal classes, specifically in the mandible, as calculated through Björk and Jarabak analysis.

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