The Problem of Overbite in Class II, Division 2 Malocclusion

1973 ◽  
Vol 1 (1) ◽  
pp. 34-48 ◽  
Author(s):  
J. R. E. Mills
Keyword(s):  
Class Ii ◽  
The Other ◽  
Division I ◽  
Lower Lip ◽  
Results Of Treatment ◽  
Lower Jaw ◽  
Facial Height ◽  
Skeletal Pattern ◽  
Skull Radiographs ◽  
Division 2

The paper studies 60 Class II, Division 2 malocclusions, from lateral skull radiographs taken before treatment and at least 1 year after the end of retention. In the first part of the paper the nature of the malocclusion is analysed. It usually exhibits a Class II skeletal pattern, and while this is on average milder than for Class II, Division I, there is a marked variation between individuals. Other factors are a high inter-incisal angle, a high lip-line, and in some cases a small lower facial height. The upper and lower facial heights, on the other hand, are not appreciably greater than normal. The results of treatment are then analysed. Successful overbite reduction would seem to be associated with a reduction in inter-incisal angle and a relative lowering of the lower lip-line. Growth appears to be important in achieving overbite reduction. It is suggested that favourable rotation of the mandible may be a factor in overbite reduction in some cases, and this would repay further study. Finally attention is turned to the effect of incisor proclination. This was usually more successful in the lower jaw, but again there was wide individual variation.

The Effect of Retention on the Relapse of Class II Division I Cases

1983 ◽  
Vol 10 (4) ◽  
pp. 198-202 ◽  
Author(s):  
C. M. Wood
Keyword(s):  
Statistical Analysis ◽  
Active Treatment ◽  
Orthodontic Treatment ◽  
Class Ii ◽  
The Other ◽  
Division I ◽  
Control Group ◽  
Division 1 ◽  
Skeletal Pattern ◽  
Skull Radiographs

Sixty cases of Class II Division 1 malocclusion were studied; 30 of them had been retained after the completion of orthodontic treatment, the other 30 had not and acted as a control group. Using measurements from lateral skull radiographs and statistical analysis, the two groups were compared in respect of skeletal pattern, soft tissue, overjet, overbite and interincisal angle. Both the retained and the non-retained group showed a tendency to relapse after the completion of active treatment; a tendency to relapse even while in retention was observed. The relapse in overjet was found to be more significant than the relapse in overbite. In both groups the relapse in overjet was found to be associated with the size of the original overjet, the overbite at the end of active treatment and the interincisal angle at the end of active treatment. In both groups the relapse in overbite was found to be associated with the size of the original overbite, the change in maxillary-mandibular planes angle and the interincisal angle at the end of active treatment.

scholarly journals Management of a Skeletal Class II Malocclusion Using 2-Phase Treatment: An Indian Board of Orthodontics Case Report

2020 ◽  
Vol 54 (3) ◽  
pp. 240-247
Author(s):  
Snigdha Pattanaik
Keyword(s):  
Class Ii ◽  
Division I ◽  
Class Ii Malocclusion ◽  
Average Growth ◽  
Lower Lip ◽  
Skeletal Class ◽  
Skeletal Malocclusion ◽  
Skeletal Class Ii ◽  
Nasolabial Angle ◽  
Tongue Thrust

PK, a 12-year-old female patient, was diagnosed with skeletal Class II due to retrognathic mandible, average growth pattern, Angle’s Class II, Division I malocclusion with Class II canine relation, mild upper anterior spacing, upper anterior proclination, uprighted lower anterior, lingually tipped 35, increased overjet and overbite, scissor bite Irt 24, 25, acute nasolabial angle, tongue thrust habit, incompetent lips, and lower lip trap. The nonextraction approach to orthodontic treatment was involved. The skeletal malocclusion was corrected using the twin-block appliance, followed by upper and lower pre-adjusted edgewise appliances (0.022 × 0.028 slot) with the MBT prescription.

scholarly journals Treatment of A Class II Malocclusion Case having Low Mandibular Angle & Deep Bite with Inter-arch Elastics and Reverse Curve Archwire

2013 ◽  
Vol 3 (1) ◽  
pp. 50-56
Author(s):  
MT Mustafa
Keyword(s):  
Positive Impact ◽  
Class Ii ◽  
Class I ◽  
Occlusal Plane ◽  
Minimal Amount ◽  
Mandibular Angle ◽  
Deep Bite ◽  
Facial Height ◽  
The Subject ◽  
Division 2

Inter-arch elastics and reverse curve arch wire can be used successfully in the treatment of deep bite malocclusions and are two of the most common methods available for treating class II malocclusions . Careful diagnosis and treatment planning is primordial for choosing the right treatment modality which can vary from patient to patient. The subject treated in this study was a 14 years old female patient with a Class II division 2 Angle’s malocclusion having a skeletal deep bite of around 6 mm and an overjet of 1.5mm, deep curve of spee, coinciding upper and lower arch midlines with that of the facial midline. After analysis made, the case was treated without any extraction due to the fact that she was a low mandibular angle patient with minimal amount of crowding in both the arches and also a Combination Factor of 171.5° (greater than 155.9°) which represents the balance of both the vertical and horizontal dimensions. The Anterior Posterior Dysplasia Indicator value fell within the normal range indicating a Class I horizontal maxillo-mandibular relationship. The duration of the treatment was around 20 months. After achieving the goals of the treatment, cephalogram was taken and the pre and post treatment variables compared. The correction of the deep overbite condition was achieved successfully along with the correction of the molar relationship into a Class I malocclusion. U1-SN has increased by 50.0 and L1-NA increased by 4.50 together with a decrease in the inter-incisal angle by 8.50 contributing to a decrease in bite depth. The assessment of the cephalometric findings showed that the lower anterior facial height change was minimal but not insignificant partly due to the continued growth of the mandible which can be confirmed through the values of FMA which shows an increase in 20.0, Facial Height Index dropping from 0.89 to 0.88 and the TPFH:TAFH values decreasing by 0.8%. But this change was not enough to have a positive impact on the facial appearance of the subject. Change in the molar relationship was aided by the use of inter-arch elastics and the deep bite correction facilitated by the slight rotation of the occlusal plane caused by extrusion of lower first molar along with the flaring of the lower incisors induced through the use of the reverse curve arch wire. So it was confirmed that the combined use of inter arch elastics & reverse curve arch wire help to correct the class II division 2 malocclusion along with some improvement for increasing the lower anterior facial height.

scholarly journals Evaluation of Profile Changes in Class II Individuals Treated by Means of Herbst Miniscope Appliance

2020 ◽  
Vol 8 (1) ◽  
pp. 27 ◽  
Author(s):  
Stefano Martina ◽  
Maria Luisa Di Stefano ◽  
Francesco Paolo Paduano ◽  
Domenico Aiello ◽  
Rosa Valletta ◽  
...  
Keyword(s):  
Soft Tissues ◽  
Class Ii ◽  
Maturation Stage ◽  
Class Ii Malocclusion ◽  
Herbst Appliance ◽  
Lower Lip ◽  
Lower Jaw ◽  
Profile Changes ◽  
The Difference ◽  
Mandibular Retrusion

Background: To evaluate the profile changes following orthopedic/orthodontic treatment with the Herbst Miniscope® appliance in subjects affected with Class II malocclusion with mandibular retrusion. Methods: A total of 44 patients presenting a skeletal Angle Class II malocclusion (ANB > 4°) due to mandibular retrusion and a cervical maturation stage between CS2 and CS3 were included in the study. Of these 44 patients, 22 (mean age 11.9 ± 1.3, HBT group) were treated using the Herbst appliance, while 22 (mean age 10.6 ± 1.3, CTR group) were followed for a 12-month observational period. A cephalometric tracing was performed at the beginning of treatment (T0) and after 12 months (T1). Results: In both groups there was a significant advancement of soft tissue pogonion (HBT = 3.5 ± 3.0 mm, p < 0.001; CTR = 2.2 ± 2.9 mm, p < 0.001), but the difference between the two groups was not significant (p = 0.172). On the contrary, both groups had a significant advancement of the mandibular sulcus (HBT = 3.7 ± 2.8 mm, p < 0.001; CTR = 1.2 ± 2.2 mm, p < 0.001) and a lower lip protrusion (HBT = 3.45 ± 2.51 mm, p < 0.001; CTR = 1.7 ± 2.7 mm, p = 0.008), but in both cases the HBT group showed a statistically significant greater increase in sulcus protrusion (p = 0.002) and lower lip protrusion (p = 0.029) than controls. There were no statistically significant effects on the upper jaw. Conclusions: The Herbst appliance advanced the lower jaw soft tissues.

scholarly journals Correction of Class II Division 2 Malocclusion with Traumatic deep bite -Non-extraction Therapy

2018 ◽  
pp. 33-36
Author(s):  
Sharmin Sultana ◽  
Md Zakir Hossain
Keyword(s):  
Treatment Plan ◽  
Class Ii ◽  
Central Incisor ◽  
Lower Incisor ◽  
Deep Bite ◽  
Maxillary Central Incisor ◽  
Curve Of Spee ◽  
Lower Jaw ◽  
Extraction Therapy ◽  
Division 2

This case report describe the management of a 22 years old male patient having class II div 2 malocclusion with traumatic deep bite. Intraoral examination revealed that patient had lingually inclined maxillary central incisor, labially flared maxillary lateral incisors, exaggerated lower curve of spee, and moderate crowding in lower jaw. Patient also tend to exhibit deep mentolabial sulcus and unaesthetic smile. Anterior flat bite plane was treatment plan for improving deep bite and also Mandibular downward backward rotation and Camouflage nonextraction treatment was decided for this patient because presence of lower crowding which is easy to correction and flare lower incisor for improving overjet and interincisal angle.Ban J Orthod & Dentofac Orthop, April 2015; Vol-5 (1-2), P.33-36

scholarly journals Perawatan Maloklusi Klas II Divisi 1 Dentoskeletal Disertai Retrusi Mandibula Dengan Alat Fungsional Bionator

2014 ◽  
Vol 21 (2) ◽  
pp. 212
Author(s):  
Afini Putri Luthfianty ◽  
Sri Suparwitri ◽  
Soekarsono Hardjono
Keyword(s):  
Case Report ◽  
Growth Phase ◽  
Class Ii ◽  
Open Bite ◽  
Division I ◽  
Good Position ◽  
Lower Jaw ◽  
Division 1 ◽  
Mandibular Retrusion ◽  
Class Ii Division 1

Maloklusi klas II divisi 1 dentoskeletal disertai dengan retrusi mandibula dan lengkung rahang yang sempit dapat terjadi akibat dari faktor keturunan dan diperparah oleh kebiasaan buruk. Kondisi maloklusi tersebut ditandai dengan adanya palatal bite dan overjet yang besar. Perawatan maloklusi klas II divisi 1 pada masa pertumbuhan dan perkembangan dapat dilakukan dengan menggunakan alat ortodontik fungsional, salah satunya adalah Bionator. Pemilihan bionator bertujuan untuk menuntun rahang bawah untuk bergerak ke posisi yang diinginkan dan memperlebar lengkung rahang. Tujuan dari penulisan laporan kasus ini adalah menyajikan hasil kemajuan perawatan maloklusi klas II divisi 1 dengan menggunakan alat ortodontik fungsional Bionator. Pasien perempuan berumur 12 tahun mengeluhkan gigi depan atas maju sehingga mengganggu penampilan. Diagnosa kasus adalah maloklusi klas II divisi 1 dentoskeletal disertai dengan retrusi mandibula, bidental protrusif, palatal bite, kontraksi lengkung rahang dan malposisi gigi individual. Pasien dirawat dengan menggunakan alat ortodontik fungsional Bionator. Perawatan setelah tiga bulan, secara klinis terlihat profil pasien terkoreksi, overjet berkurang, palatal bite hilang, dan open bite posterior. Treatment of dentoskeletal class II division I with mandibula retrussion using Bionator appliance. Malocclusion Class II division 1 dentosceletal followed with mandibular retrusion and contraction of arch could be happened by genetic and bad habit. It was showed with severe palatal bite and overjet. In the development and growth phase, the treatment for that condition is fuctional appliance, such as Bionator. Bionator arranged lower jaw to the good position and distraction the arch. The purpose of this case report is to present the treatment of malocclusion dentosceletal Class II division 1 with fuctional appliance Bionator. A 12 years old female patient complained of front upper teeth are protrusive. Diagnosis is malocclusion Class II division 1 dentosceletal followed with mandibular retrusion, bidental protrusive, palatal bite, contraction of jaw and malposition individual teeth. The patient treated with fuctional appliance Bionator. After 3 months treatment, patient`s profile corrected, decreased overjet, no palatal bite, and open bite posterior. 

scholarly journals Analysis of soft tissue thickness in persons with malocclusions of class II division 1 and class II division 2

2012 ◽  
Vol 140 (7-8) ◽  
pp. 412-418
Author(s):  
Tatjana Tanic ◽  
Zorica Blazej ◽  
Vladimir Mitic
Keyword(s):  
Soft Tissue ◽  
Profile Analysis ◽  
Class Ii ◽  
Upper Lip ◽  
Facial Soft Tissue ◽  
Lower Lip ◽  
Soft Tissue Profile ◽  
Division 1 ◽  
Division 2 ◽  
Class Ii Division 1

Introduction. Different malocclusions indicate different thickness of facial soft tissue. Objective. The aim of the study was to establish the differences in the thickness of facial soft tissue profile in persons with dentoskeletal Class II/1 and II/2 relationship. Methods. In the study we used cephalometric rendgenograms profile analysis of 60 patients aged 12-18 years of the Dental Clinic in Nis who had not previously undergone orthodontical treatment. According to the dentoskeletal jaws relations the patients were divided into two groups with Class II division 1 and Class II class division 2. In all of them the standard dentoskeletal profile analysis by Steiner and soft tissue profile analysis by Burston was done. The obtained findings were statistically analyzed and the comparison between the studied groups was performed. Results. The results indicated the following: in the patients with Class II/1 relationship there was a significantly thinner upper lip (t=5.741; p<0.0001), thinner upper lip sulcus (t=3.858; p<0.001) and significantly thinner lower lip (t=2.009; p<0.05) in relation to the patients with Class II/2. Compensatory effect in the Class II/1 patients was more distinctive in females, as their soft tissue profiles were thicker. In Class II/2 patients this relationship was in favor of males. Conclusion. The facial soft tissue profile indicated significant differences in the thickness dependant on the type of malocclusion and gender. Because of their great variability and a significant participation in the formation of the profile, while planning orthodontic therapy, it is necessary to pay them full attention, with obligatory analysis of the dentoskeletal profile.

The Retroclined Upper Incisor

1975 ◽  
Vol 2 (4) ◽  
pp. 207-216 ◽  
Author(s):  
G. G. T. Fletcher
Keyword(s):  
Oral Cavity ◽  
Orthodontic Treatment ◽  
Class Ii ◽  
Vertical Dimension ◽  
Class I ◽  
Lower Lip ◽  
Causative Factors ◽  
Relationship Of ◽  
Division 2

In the interest of further clarification of the interaction of the multiple causative factors of upper incisor retroclination, the development of Class II Division 2 occlusion is contrasted to that of Class I. The patients whose records were used had not received orthodontic treatment. It was found that upper incisor retroclination in Class II Division 2 occurred after their emergence into the oral cavity. The effect is attributed to the upper incisors being able to erupt well within the cover of the lower lip through a combination of circumstances related to the proportional balance of the patient's facial structures in the vertical dimension. The lower lip would guide the upper incisors into retroclined positions, only if the latter were unobstructed by digit, tongue or other teeth of either arch. This implied not only a critical balance in size and relationship of the facial structures in the vertical dimension but also equally critical balances in the antero-posterior and lateral dimensions, without which the lower lip factor alone would be ineffective.

Overjet Stability after Treatment of Class II Division 1 Malocclusions

1975 ◽  
Vol 2 (4) ◽  
pp. 239-246 ◽  
Author(s):  
T. G. Bennett ◽  
J. F. Camilla Tulloch ◽  
Katherine W. L. Vig ◽  
W. G. Webb
Keyword(s):  
Class Ii ◽  
Lower Lip ◽  
Mean Values ◽  
Division 1 ◽  
Skeletal Pattern ◽  
Treatment Changes ◽  
The Mean ◽  
Relationship Of ◽  
The Relationship ◽  
Class Ii Division 1

The results of an analysis of treatment and post-treatment changes in 48 unselected Class II Division 1 malocclusions are presented. All the cases were at least 1 year out of retention (mean 34·7 months). Mean values have been given for several features. In particular, the mean overjet reduction during treatment was 7·0 mm, the mean relapse 1·1 mm and the mean net overjet reduction 5·9 mm. The relationship of “final” overjet to overbite, overjet, skeletal pattern and lower lip height at different stages of treatment is described. There is wide variation in “final” overjet in relation to any of the single factors investigated but five significant correlations were found.

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