scholarly journals Evaluation of possible reasons for asymmetries associated with Class II subdivision, Class II division 1 and normal malocclusion

2021 ◽  
Vol 7 (4) ◽  
pp. 287-291
Author(s):  
Velagapalli Jessie Ratan ◽  
Kiran Kumar ◽  
Ravi Krishna K ◽  
Eswar Prasad S ◽  
Pavan K ◽  
...  
Keyword(s):  
Class Ii ◽  
Division I ◽  
Class I ◽  
Occlusal Plane ◽  
Plane Angle ◽  
Normal Occlusion ◽  
Division 1 ◽  
Group A ◽  
Group B ◽  
Piriform Aperture

: To evaluate and compare the asymmetries in subjects with two malocclusions that is Class II subdivision, Class II div 1 and normal occlusion.: 90 subjects ranging from 15 to 30 years divided into 3 groups A, B, C. Group A – Class II subdivision, Group B – Class II division I, Group C – Normal Class I occlusion. Angular, linear paired, linear unpaired measurements were calculated based on the Van De Coppell analysis using PA views.: Asymmetry was found in all the three groups where Group A patients showed greater degree of asymmetry near maxillary buttress and piriform aperture areas compared to the three groups. Group C patients showed greater degree of asymmetry in the occlusal plane angle. All the three malocclusions that is Class II div 1 Subdivision, Class II div 1 and Class I malocclusions showed equal amounts of asymmetry. Class II subdivision patients showed greater asymmetry near maxillary buttress area and piriform aperture. Class I malocclusion showed deviation in occlusal plane angle. Along with the lower third involving mandible, maxillary area also can equally show asymmetry in both skeletal and dental parameters.

scholarly journals Evaluation of tongue posture & dimensions in relation to skeletal Class I and Class II patterns- A cephalometric study

2021 ◽  
Vol 7 (4) ◽  
pp. 276-281
Author(s):  
Puja Khanna ◽  
Sumit Chhabra ◽  
Preeti Munjal ◽  
Sunny Mittal ◽  
Nishtha Arora
Keyword(s):  
Statistical Tests ◽  
Class Ii ◽  
Class I ◽  
Control Group ◽  
Skeletal Class ◽  
Normal Occlusion ◽  
Division 1 ◽  
Skeletal Pattern ◽  
Bonferroni Test ◽  
Class Ii Division 1

Association of tongue posture with dental and facial skeletal pattern have been suggested in past. This study was undertaken to assess tongue posture and dimensions in Class I and Class II Dentoskeletal patterns to determine whether any correlation exists between tongue posture and skeletal pattern of an individual. Cephalograms of 150 individuals (aged 18-23 years), taken in Natural Head Position (NHP) and tongue at rest were divided into three groups i.e. Group 1 – Class I Normal occlusion, Group 2 – Class II Division 1 Normodivergent and Group 3 – Class II Division 1 Hypodivergent, consisting of 50 samples each. To ensure the rest position of tongue, patient was asked to relax for 30 seconds after coating the tongue with barium sulphate in midline and then to swallow, and the X-ray was taken at the end of swallowing. Each group was divided into two subgroups according to sex. Groups were constituted according to the Frankfort mandibular plane angle (FMA) angle. The subjects who had skeletal Class II pattern due to mandibular retrusion and not due to maxillary prognathism were only included in the study group. Statistical analysis was done using the software SPSS version 21.0. The statistical tests used were unpaired t-test and One-way ANOVA test with post-hoc bonferroni test. The p-value was considered significant if less than 0.05.The dorsum of the tongue was higher at back and lower in front in Class II Division 1 Hypodivergent group as compared to Class I Normal occlusion group (P<.05). Tongue height and tongue length were significantly reduced in Class II Division 1 Normodivergent and Class II Division 1 Hypodivergent malocclusion groups when compared to Class I control group (P<.05).The study supports the existence of a relationship between posture & dimensions of the tongue with Class I and Class II skeletal patterns.

scholarly journals Outcome of Albumin Infusion in Heart Failure Patients

2019 ◽  
Vol 15 (2) ◽  
pp. 47-53
Author(s):  
Ashaduzzaman Talukder ◽  
Mohamed Mausool Siraj ◽  
Md Noornabi Khondokar ◽  
SM Ahsan Habib ◽  
Md Abu Salim ◽  
...  
Keyword(s):  
Heart Failure ◽  
Serum Albumin ◽  
Nyha Class ◽  
Class Ii ◽  
Class I ◽  
Class Iii ◽  
Albumin Infusion ◽  
Group A ◽  
Group B ◽  
Class Iv

Background: Heart Failure (HF) is a major public health burden worldwide. Approximately 5 million Americans, 0.4–2% of the general European population and over 23 million people worldwide are living with heart failure. Like few other chronic disease, low serum albumin is common in patients with heart failure (HF). However, very few studies evaluated the outcome of albumin infusion in different stages of HF. Therefore, the objective of this study is to assess the outcome of albumin infusion in heart failure patients. Methods: It was a cross-sectional study. A total of 50 cases of chronic heart failure with reduced ejection fraction and NYHA class III or IV with serum albumin level <2.5g/dl who were admitted in CCUwere selected by purposive sampling, from September 2017 to August 2018. 100ml of 20% albumin was infused and serum albumin was measured after 3 days. Then the patients were divided into two groups, Patients who failed to attain serum albumin of 3g/dl(Group A) or Patients who attained serum albumin of ≥3g/dl (Group B). Analysis and comparison for symptomatic improvement of heart failure by NHYA classification and LVEF was done at 10th day after infusion between group A and B. Result: Among the 50 patients, mean age of patients was 53.64 ± 13.44 years (age range: 26-84 years) with a male-female ratio of 3:2 (60%-male vs 40%- female). Majority patients were previously re-admitted at least two times (40%), 28% were re-admitted once, 16% were re-admitted three times and 4% were re-admitted for four times. Of all, 56% patients presented NYHA class IV and AHA stage D heart failure (56%) and 44% patients presented with NYHA class III and AHA stage C. At day 10 follow up following albumin infusion, overall frequency of following ten days of albumin therapy, in group B, 8 patients (72.7%) among Class III improved to Class I and 3 patients (27.3%) improved to class II. Also, 7 patients (50%), 5 patients (35.7%) and 2 patients (14.3%) among class IV improved to respectively class I, class II and class III. In group A, 3 patients (27.3%) among class III improve to class II and 8 patients (72.7%) remain in class III. Also, 2 patients (14.3%), 5 Patients (35.7%) and 7 patients (50%) among class IV improve to respectively class I, class II and class III. Moreover, statistically significant improvement was noted in ejection fraction of patents irrespective of initial class of heart failure (p<0.001) in group B patients compare to group A (p<0.09). Conclusion: In this study, the improvement of heart failure was more in patients who attained albumin level of ≥3g/dl.Therefore, in can be concluded that albumin infusion improves both subjective and objective improvement of patients with heart failure. University Heart Journal Vol. 15, No. 2, Jul 2019; 47-53

scholarly journals Computed Tomography Evaluation of Craniomandibular Articulation in Class II Division 1 Malocclusion and Class I Normal Occlusion Subjects in North Indian Population

2012 ◽  
Vol 2012 ◽  
pp. 1-5 ◽  
Author(s):  
K. C. Prabhat ◽  
Sanjeev Kumar Verma ◽  
Sandhya Maheshwari ◽  
Ibne Ahmad ◽  
Mohd. Tariq
Keyword(s):  
Computed Tomography ◽  
Indian Population ◽  
Class Ii ◽  
Class I ◽  
Spiral Computed ◽  
Computed Tomography Images ◽  
Normal Occlusion ◽  
Division 1 ◽  
Joint Morphology ◽  
Class Ii Division 1

Objective. The purpose of this study is to investigate the Craniomandibular articulation morphology and position of condyle in mandibular fossae in Angle’s class I normal occlusion and Angle’s class II division 1 malocclusion. Materials and Methods. The present study was conducted on 40 subjects with 20 subjects in each group, and the computed tomography images were obtained using spiral computed tomography technique. Each measurement was compared by two-factor analysis of variance (ANOVA) while changes in anterior and posterior joint spaces were done by paired t-test. Results. Statistically significant anterior positioning of condyle was observed in class I normal malocclusion, and it was significant only on right side in class II division 1 malocclusion. Conclusions. There was no difference found in the condylar process and joint morphology between right and left sides of both Angle’s Class I normal occlusion and Angle’s class II division 1 malocclusion. Evaluation of the position of the condyles in their respective mandibular fossae showed concentric position with a tendency towards anterior positioning for both right and left sides of the subjects with Angle’s Class I normal occlusion as well as subjects with Angle’s class II division 1 malocclusion.

scholarly journals Cephalometric analysis for assessing sagittal jaw relationship- A comparative study

2021 ◽  
Vol 7 (2) ◽  
pp. 150-159
Author(s):  
Adeel Ahmed Bajjad ◽  
A K Chauhan ◽  
Anil Sharma ◽  
Santosh Kumar
Keyword(s):  
Class Ii ◽  
Class I ◽  
Cephalometric Analysis ◽  
Plane Angle ◽  
Lateral Cephalogram ◽  
Good Reliability ◽  
Lateral Cephalograms ◽  
Beta Angle ◽  
Group A ◽  
Level Of Agreement

The successful treatment of Orthodontic patient is dependent on careful diagnosis. Three planes of discrepancies are commonly described in orthodontics namely, transverse, sagittal and vertical. Of these, the sagittal discrepancies are most commonly encountered in day to day practice. This study was aimed to compare various methods of cephalometric analysis for assessing sagittal jaw relationship. There were total of 180 lateral cephalograms used and each samples were divided into 2 groups based on their skeletal relationship according to ANB angle. i.e Class I and Class II. Class I and Class II were again divided into average, horizontal and vertical group. Pretreatment records were taken and tracing were performed on the lateral cephalogram and measured values were recorded and subjected to statistical analysis.In class I, the highest frequency was seen in A-B plane angle and FABA angle and in class II the highest frequency found in K angle followed by A-B plane angle. In class I horizontal group, a strong level of agreement was found between AXB angle with AF-BF distance while in class II average group, A-B plane angle shows strong level of agreement with WITS and FABA angle. In terms of reliability, all the ten parameters (A-B plane angle, WITS, AF-BF distance, APP-BPP distance, FABA angle, BETA angle, YEN angle, W angle and K angle) show good reliability in class II average and vertical group. : No single measurement is perfect in all the cases. A combination of different measurements should be used to have a true assessment of sagittal jaw relationship.

scholarly journals Mesiodistal Crown Diameter of Normal Occlusion and Different Malocclusion Groups for a Sample of Kurdish Population of Erbil City

2020 ◽  
Vol 10 (1) ◽  
pp. 32-37
Author(s):  
Rawand J. Othman ◽  
Jameel A. Alkhashan
Keyword(s):  
Class Ii ◽  
Division I ◽  
Class I ◽  
Tooth Size ◽  
Class Iii ◽  
Crown Diameter ◽  
Lower Canine ◽  
Tooth Width ◽  
Normal Occlusion ◽  
Division Ii

It is essential to know the tooth crown size to provide accurate diagnosis and treatment planning to ensure the satisfactory outcome of orthodontic treatment. The aim of the present study was to measure and compare mesiodistal crown diameter of a Kurdish sample in Erbil city with normal and different classes of malocclusion. The mesiodistal tooth width was measured by an electronic digital caliper on a total of 150 (75 males and 75 females) orthodontic models of secondary school students of different occlusal relationships (Class I normal occlusion, Class I, Class II division I, Class II division II, and Class III malocclusions). The results showed that (1) the maxillary right first molar was significantly larger than the left one and both maxillary right lateral incisors and first premolars were larger than their contralateral teeth at the level of P < 0.01. (2) Both upper and lower canine were significantly smaller in females than in males; (3) Class I malocclusion showed tendency toward larger teeth than the rest of the other occlusal categories; (4) no statistically significant differences in tooth size were found among the Class II division I, division II, and Class III malocclusions when compared to normal occlusion. In conclusion, females had smaller teeth than males and there was asymmetry between the right and left sides in tooth size and Class I malocclusion showed tendency toward larger teeth.

scholarly journals Microleakage of Class I and II Composite Resin Restorations Using a Sonic-resin Placement System

2015 ◽  
Vol 40 (6) ◽  
pp. 653-661 ◽  
Author(s):  
J Kalmowicz ◽  
JG Phebus ◽  
BM Owens ◽  
WW Johnson ◽  
GT King
Keyword(s):  
Composite Resin ◽  
Acrylic Resin ◽  
Adhesive System ◽  
Class Ii ◽  
Class I ◽  
Blue Dye ◽  
Group A ◽  
Composite Resin Restorations ◽  
Level Of Significance ◽  
Group B

SUMMARYObjectivesTo determine microleakage of posterior Class I and II restorations using the SonicFill composite resin system.Methods and MaterialsEighty previously extracted third molars were randomly assigned to four preparation/restoration groups (n=20): Group A: Class I preparations restored with SonicFill system/bulk fill; Group B: Class II preparations restored with SonicFill system/bulk fill; Group C: Class I preparations restored with Herculite Ultra composite resin/incremental technique; and Group D: Class II preparations restored with Herculite Ultra composite resin/incremental technique. Class I preparations were approximately 3.0 mm in width buccolingually and 3.0 mm in depth. Class II preparations were approximately 3.0 mm in width buccolingually, 1.5 mm in axial depth, and 4.0 mm in gingival depth. In all groups, the enamel and dentin surfaces were conditioned with Kerr 37.5% phosphoric acid, followed by application of Optibond Solo Plus adhesive system. Following restoration, the specimens were thermocycled, immersed in methylene blue dye, and embedded in acrylic resin. Specimen blocks were sectioned in the mesiodistal direction, with marginal dye penetration (microleakage) examined using a 20× binocular microscope. Class I and II restoration microleakage was scored separately using a 0-3 ordinal ranking system. Statistical analyses were conducted using nonparametric testing at the p &lt; 0.05 level of significance.ResultsSignificantly less microleakage was associated with both Class I restorative groups (A and C), SonicFill bulk fill and Herculite Ultra incremental fill, compared to the Class II restorative groups (B and D), SonicFill/bulk fill and Herculite Ultra/incremental fill.ConclusionsAccording to the results of this study, the materials (SonicFill vs Herculite Ultra), C-factors, and insertion techniques (bulk vs incremental) did not appear to be significant influences with regard to marginal microleakage; however, the type of preparation cavity (Class I vs Class II) and the subsequent bonding surface (enamel vs dentin [cementum]) proved to be significant factors.

scholarly journals A study on Arch Widths of Bangladeshi Adult Subjects with Class II-2 malocclusion compared to those with Class II div1 malocclusion and Normal Occlusion

2015 ◽  
Vol 3 (2) ◽  
pp. 12-17
Author(s):  
Md Masud Rana ◽  
Md Zakir Hossain
Keyword(s):  
Class Ii ◽  
Permanent Dentition ◽  
Class I ◽  
P Value ◽  
Normal Occlusion ◽  
Significant Difference ◽  
Division 1 ◽  
Division 2 ◽  
Dental Casts ◽  
Class Ii Division 1

Aim : To evaluate the transverse discrepancy in different malocclusion groups. Also to test the hypothesisvthat models with Class II division 2 malocclusion may have mean maxillary arch widths significantly smaller than those with normal occlusions and significantly larger than those with Class II division 1 malocclusion. Thus the proposed study will generate interest among the orthodontists for further study over the transverse discrepancy of our patients and guide them to establish effective treatment strategy and their management.Methods:  This study was a cross  sectional  study conducted among the dental casts of 150 patients and  students of the Department of Orthodontics and Dentofacial Orthopedics, Dhaka Dental College and  Hospital. Both male and female were included.  The first group consists of 50 pair of study models with  permanent dentition and diagnosed as Class I (normal) occlusion. The second group includes another 50 pair of dental casts with permanent dentition and diagnosed as Class II division 1 malocclusion . And third group includes another 50 pair of dental casts with permanent dentition and was diagnosed as Class II division 2 malocclusion. This group of malocclusion was again subdivided into two categories, Class II division 2 malocclusion with crowding and Class II division 2  malocclusion without crowding. The Student’s t –test was used to analyze the data. In this analytical test the level of significance p value <0.05 was considered significantResults: No Statistically significant difference was observed in the maxillary inter canine, inter first  premolar and inter first molar widths between class-I and Class-II div-1. Significant differences were  observed between two groups. In case of mandibular inter first molar widths  (p value = 0.001), and also  differences in case of mandibular inter canine, inter first premolar and inter first molar widths between  Class-I and Class II div 2 malocclusion  p value respectively .01, 0.002,0.01.Conclusion: This study helps in determining possible differences in the dental arch widths of Bangladeshi people in  Class II div 2 adults compared to adults with Class II div 1 and normal occlusion may be an  important aid in further understanding of dentoalveolar characteristics of these conditions, as well as  improving their management.Ban J Orthod & Dentofac Orthop, April 2013; Vol-3, No.2

scholarly journals A Comparative Study of Arch Widths of Bangladeshi Subject with Normal Occlusion and Class II Division 1 Malocclusion

2013 ◽  
Vol 2 (2) ◽  
pp. 18-23
Author(s):  
MM Islam ◽  
MZ Hossain
Keyword(s):  
Comparative Study ◽  
Class Ii ◽  
Class I ◽  
Dental Arch ◽  
Class Ii Malocclusion ◽  
Normal Occlusion ◽  
Division 1 ◽  
The Mean ◽  
Dental Crowding ◽  
Class Ii Division 1

Aim: To evaluate possible differences of the upper and lower dental arches width among youths with Class I,normal occlusion and Class II, division 1 malocclusion. Materials and Methods: The evaluation was conducted on 100 pairs of dental casts of Bangladeshi youths with permanent dentition, 50 with Class I, normal occlusion (22 males and 28 females) at the mean age of 19±3 years and 50 with Class II, division 1, malocclusion (18 males and 32 females ) at the mean age of 20±4 years. The group with Class II malocclusion was divided into two categories: Class II without dental crowding and Class II with dental crowding. A comparison was made between the intercanine inter first premolar and intermolar widths of both dental arches. Results: Subjects with Class II, division, 1 malocclusion when compared with Class I normal occlusion presented (a) in the upper dental arch , smaller intermolar, interpremolar and intercanine width. (b) in the lower dental arch , smaller intermolar width. DOI: http://dx.doi.org/10.3329/bjodfo.v2i2.16159 Ban J Orthod & Dentofac Orthop, April 2012; Vol-2, No.2, 18-23

Sign in / Sign up

Export Citation Format

Share Document