scholarly journals Validity of Index of Orthodontic Treatment Complexity in Assessing Complexity of Treatment among the Malocclusion Groups

2021 ◽  
Vol 10 (14) ◽  
pp. 1003-1007
Author(s):  
Sriman Vishnu ◽  
Saravanakumar Subranmanian ◽  
Prema Anbarasu ◽  
Nagappan Nagappan ◽  
Annamalai P.R. ◽  
...  
Keyword(s):  
Orthodontic Treatment ◽  
Predictor Variable ◽  
Correlation Coefficients ◽  
Class Ii ◽  
Class I ◽  
Class Ii Malocclusion ◽  
Class Iii ◽  
Division 1 ◽  
Treatment Complexity

BACKGROUND To provide efficient and well-planned orthodontic treatment orthodontists must be able to assess the type of malocclusion and the complexity involved in its treatment. Hence, the purpose of this study was to validate index of orthodontic treatment complexity (IOTC) as a reliable index to assess the treatment complexity in treating different malocclusion groups. METHODS A retrospective study with sample of 120 pairs of orthodontic study model consisting of treated and untreated cases, were collected and equally divided into class I, class II including both division 1 and division 2 and class III malocclusions based on Angles system of classification of malocclusion. Study casts were scored according to criteria given by the index of orthodontic treatment complexity and the degree of complexity is established for each of the malocclusion groups and the occlusal traits. RESULTS The Spearman correlation coefficients test shows that occlusal traits like overjet, centreline discrepancy, molar correction, overbite, crowding, posterior cross bite, alone significantly correlated with degree of complexity. Multiple regression analysis and one way ANOVA tests were performed for the three types of malocclusion and the test showed that in individual classes of malocclusion, the predictor variable (occlusal traits) significantly predicts the degree of complexity in class I and class II malocclusion cases, but not in class III. CONCLUSIONS Overjet, centreline discrepancy, molar correction, overbite, crowding, posterior cross bite correlated with degree of complexity. IOTC forecasts the degree of complexity in class I and class II malocclusion cases, but not in class III. KEY WORDS IOTC, Malocclusion, Occlusal Traits

scholarly journals Original Research. Correlation Between Cranial Base Morphology And Various Types Of Skeletal Anomalies

2017 ◽  
Vol 2 (s1) ◽  
pp. 57-61
Author(s):  
Irinel Panainte ◽  
Victor Suciu ◽  
Krisztina-Ildikó Mártha
Keyword(s):  
Class Ii ◽  
Cranial Base ◽  
Class I ◽  
Original Research ◽  
Class Ii Malocclusion ◽  
Class Iii ◽  
Division 1 ◽  
Base Of The Skull ◽  
Cephalometric Study ◽  
Division 2

Abstract Background: Previous studies regarding various types of malocclusions have found correlations between the angle of the base of the skull and prognathism. Aim of the study: This cephalometric study sought to investigate the function of the cranium base angle in different types of malocclusion on a group of Romanian subjects. Materials and methods: Forty-four cephalometric radiographs were selected from patients referred to orthodontic treatment. The cephalometric records were digitized, and with the CorelDRAW Graphics Suite X5 software 22 landmarks have been marked on each radiograph. A number of linear and angular variables were calculated. Results: The angle of the base of the skull was found to be higher in Class II Division 1 subjects compared to the Class I group. The cranial base lengths, N-S and S-Ba, were significantly larger in both categories of Class II malocclusion than in Class I patients, but measurements were comparable in Class I and Class III. The SNA angle showed no considerable variation between Class I subjects and the other groups. SNA-SNP was significantly increased above Class I values in Class II Division1 and Class II Division 2 groups. No significant dissimilarities were observed for these lengths between Class I and Class III patients. Conclusions: The angle of the cranium base (S-N-Ba, S-N-Ar) does not have a major role in the progression of malocclusion. In Angle Class II malocclusion the SNA angle is increased, and SNB is increased in malocclusion Class III. The anterior skull base length is increased in Class II anomalies. The length of the maxillary bone base is increased in Class II malocclusions type; in Class III type of malocclusion the length of the mandible bone is increased.

scholarly journals Pattern of Malocclusion among Patients Seeking Orthodontic Treatment at Hospitals and Private Clinics of Province 2, Nepal

2020 ◽  
Vol 10 (3) ◽  
pp. 35-39
Author(s):  
Kaushal K Singh ◽  
Binita Singh ◽  
Rajiv Yadav
Keyword(s):  
Orthodontic Treatment ◽  
Public Awareness ◽  
Class Ii ◽  
Class I ◽  
Teaching Hospitals ◽  
P Value ◽  
Fisher Exact Test ◽  
Class Iii ◽  
Orthodontic Patients

Introduction: Malocclusion affect the esthetic, function of the patients, so they seek orthodontic treatment for normal function and healthy and beautiful smile. Increase in public awareness and availability of orthodontic specialty services have led to increasing number of orthodontic patients in specialty clinics and hospitals. The objective of this study is to examine the pattern of malocclusion in the patients visiting medical and dental teaching hospitals and dental clinics and to measure the different Angle’s classification of malocclusion with discrepancies in all three planes. Materials and Method: Three hundred seventeen acceptable study casts were selected from 403 case records of orthodontic patients who visited the different hospitals and private clinics of Province 2, Nepal. A standard guidance of Angle’s classification was used to classify the cases and casts were measured to record the data. Different Angle’s classification of malocclusion with discrepancies in all three planes was studied. Descriptive statistics (frequency, percentage, mean and SD) and inferential statistics (chi square and fisher exact test) was used to find out the association between occlusal traits and demographic variables. Result: According to the Angle’s classification of malocclusion, most of the patient’s cast 65.9% were of class I, followed by class II 31.8%, class III 5.3% occlusion pattern. Among the class II malocclusion, class II division 1 malocclusion was more prevalent (86.13%). Under space discrepancies, crowding of teeth was present in 42.58% of patient. Of the total teeth crowding patient, 70.3% had crowding of teeth in both the arches followed by only mandibular arch (25.18%). There is statistically significant association between the age and the occlusal traits like crowding (p value 0.008), spacing (p value 0.000) and overjet (p value 0.000) at 0.01 level of significance. Conclusion: Angle’s class I was the most prevalent malocclusion followed by class II and class III. Increased overjet was the commonest occlusal trait. There was statistically significant association between the age and occlusal traits like crowding, spacing and overjet.

scholarly journals Facial height proportion based on Angle’s malocclusion in Deutero-Malayids

2021 ◽  
Vol 54 (2) ◽  
pp. 96
Author(s):  
Aulia Rohadatul Aisy ◽  
Avi Laviana ◽  
Gita Gayatri
Keyword(s):  
Class Ii ◽  
Class I ◽  
Class Ii Malocclusion ◽  
Racial Groups ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Facial Aesthetics ◽  
Cross Sectional ◽  
Facial Height

Background: Facial aesthetics are closely related to the harmonious proportions of the facial components. One of the components is facial height. The reference of facial height proportion of certain racial groups needs to be known by orthodontists and surgeons to create treatment outcomes that can be specifically designed for these particular demographics. One of the factors that can affect facial height proportion is malocclusion. Purpose: This study aimed to determine facial height proportion based on Angle’s classification of malocclusion in Deutero-Malayids. Methods: This study used a descriptive cross-sectional method, which was conducted on 116 Deutero-Malayid subjects. The subjects’ malocclusion was first examined using Angle’s classification of malocclusion. Upper and lower facial height were then measured to determine the proportion of these dimensions. The results were then grouped based on each malocclusion class. Results: It was found that the upper and lower facial height proportions in the class I malocclusion group were 46.74% and 53.26% in males and 47.52% and 52.48% in females, respectively. The upper and lower facial height proportions in the class II malocclusion group were 48.46% and 51.54% in females. Upper and lower facial height proportions in the class III malocclusion group were 45.31% and 54.69% in males and 46.29% and 53.71% in females, respectively. Conclusion: The largest proportion of upper facial height in Deutero-Malayids was seen in the class II malocclusion group, followed by class I and class III. The largest proportion of lower facial height in Deutero-Malayids was seen in the class III malocclusion group, followed by class I and class II.

scholarly journals A Study to determine the Prevalence of Malocclusion and Chief Motivational Factor for Desire of Orthodontic Treatment in Jaipur City, India

2015 ◽  
Vol 6 (2) ◽  
pp. 87-92
Author(s):  
Kuldeep Sharma ◽  
Ruchi Sharma ◽  
Dhruv Yadav ◽  
Abhilasha Choudhary ◽  
Swapnil Singh
Keyword(s):  
Orthodontic Treatment ◽  
Class Ii ◽  
Class I ◽  
Motivational Factor ◽  
Class Iii ◽  
Normal Occlusion ◽  
Division 1 ◽  
Division 2 ◽  
Jaipur City ◽  
Class Ii Division 1

ABSTRACT Background Prevalence of malocclusion varies in different parts of a diverse country like India. Aims To determine the prevalence of malocclusion in population of Jaipur city, Rajasthan, India, as well as subjects views regarding the most important factor for seeking orthodontic treatment by patients who have malocclusion. Materials and methods The sample consisted of 700 subjects (373 males and 327 females) with age group of 15 to 30 years. Subjects were randomly selected and none of them had received orthodontic treatment previously. The subjects who showed bilateral Angle's class I molar relationship with acceptable overjet, overbite and well-aligned arches or minimal crowding were considered to have normal occlusion. The subjects with malocclusion were classified into four groups according to Angle's classification, i.e. class I, class II division 1, class II division 2 and class III malocclusions. Results About 74.57% of population was found to have malocclusion. Among these subjects, 52.57% subjects were diagnosed with class I malocclusion, 12.57% with class II division 1 malocclusion, 8% with class II division 2 and remaining 1.42% had class III malocclusion. No statistically significant differences were found between male and female subjects. Conclusion Among class I malocclusion characteristics, Angle's class I type 1 malocclusion was statistically significantly found to be the most prevalent type of malocclusion. As far as the most important factor for seeking orthodontic treatment was determined, a desire of enhancing facial appearance followed by a desire of attaining straight teeth was considered to be the chief motivational factor among this population. How to cite this article Sharma R, Sharma K, Yadav D, Choudhary A, Singh S. A Study to determine the Prevalence of Malocclusion and Chief Motivational Factor for Desire of Orthodontic Treatment in Jaipur City, India. World J Dent 2015; 6(2):87-92.

Incidence of Orthodontic Problems in Northern Cypriot Population

2021 ◽  
Vol 11 (1) ◽  
pp. 80-84
Author(s):  
Beleva Nadejda ◽  
Nazlı Idil Kacamak ◽  
Cagla Sin ◽  
Beste Kamiloglu
Keyword(s):  
Big Data ◽  
Data Analysis ◽  
School Children ◽  
Orthodontic Treatment ◽  
Class Ii ◽  
Big Data Analysis ◽  
Class I ◽  
Class Iii ◽  
Division 1 ◽  
Division 2

Aim: Technologies related to big data are progressively used for various research purposes in the fields of dentistry and health-care informatics. Large amounts of clinical data have been achieved and acquired at an exceptional acceleration and advancement. The actively developing field of big data analysis has started to play a critical and decisive role in the progression of dental practices and research. It has implemented tools to collect, regulate, interpret, and comprehend enormous volumes of distinct, structured, and unstructured data established from the present healthcare systems. Big data analysis has been lately devoted in the direction of encouraging and assisting the process of problem detection and care delivery. Our study aimed at measuring the frequentness of orthodontic problems, incidence of malocclusion and the orthodontic treatment demand among children who attend secondary schools in Northern Cyprus. Methods: For the present survey, our sample included 426 school children (203 females and 223 males) who are 12–15 years of age. Molar relation in each child was assessed according to Angle's classification. To evaluate the need and demand for orthodontic treatment, the ICON index was then used. Occlusal features such as overbite and overjet were measured and the presence of malocclusal characteristics such as cross bite, deep bite or open bite was examined and recorded for each subject. Our findings indicated that among this Northern Cypriot school population: (20.6%) had no occurrence of malocclusion, (74.6%) were found to have a Class I molar relation, (21.1%) had a Class II molar relation (Division 1, 13.6%; Division 2, 1.6%) and (3.3%) had a Class III malocclusion. Moreover, (20.2%) of all the examined children were found in need of orthodontic treatment. Digital modelling derived from CBCT scanning of plaster casts is a reliable method to assure the accuracy of measurements obtained directly from clinical and dental examination. Results: 74.6% of all subjects were found to have class I dental malocclusion; class II division 1 were calculated at 13,6%, class II division 2 were 1,6%, class II subdivision 4,2%, class III were calculated to be at 3,3% and class III subdivision 2,5%. Conclusion: The most common orthodontic malocclusion in Northern Cypriot school children is Class I and the least common one is Class II division 2.

scholarly journals Pattern of malocclusion in patients seeking orthodontic treatment at Dhaka Dental College and Hospital

2015 ◽  
Vol 3 (2) ◽  
pp. 9-11
Author(s):  
Md Muklesur Rahman ◽  
Hasnat Jahan ◽  
Md Zakir Hossain
Keyword(s):  
Orthodontic Treatment ◽  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Class Ii ◽  
Open Bite ◽  
Class I ◽  
Class Iii ◽  
Standard Format ◽  
Division 1 ◽  
Division 2

Aims: To evaluate the pattern and distribution of malocclusion in patients seeking orthodontic treatment in Dhaka Dental College Hospital.Material and Methods: Total of 400 patients were included in the study with a mean age of 19.10 years. A standard format was prepared to record the data. Ages, sex and Class I, II and III malocclusions were tabulated to cheek for any relationship.Results: The prevalence of molar class I, II, III and both (I &II) malocclusion were 61.53%, 22.56%, 8.2%, and 7.17%, respectively. The prevalence of incisors class I, class II division 1,classII division 2 and class III malocclusions were 36.92%, 39.74%, 2.56% and 14.87%. out of 400 cases the distribution of various occlusal abnormality were spacing 40%, crowding 46.92%, cross bite 23.07%, open bite 8.46%, impaction 6.41%, rotation 20%, median diastema 13.58%, absent  teeth 7.69%, mesiodense 2.51% and cleft lip and palate was 1.28%. Most prevalence  age group seeking orthodontics treatment was 16 to 20 years with female to male ratio 2.45 :1.Conclusion: class I malocclusion was the most prevalent followed by class II malocclusion and class III malocclusion showed least prevalence.Ban J Orthod & Dentofac Orthop, April 2013; Vol-3, No.2

scholarly journals Evaluation of Occlusal Contacts among Different Groups of Malocclusion using 3D Digital Models

2014 ◽  
Vol 15 (1) ◽  
pp. 46-55 ◽  
Author(s):  
Naim Z Al-Rayes ◽  
Mohammad Y Hajeer
Keyword(s):  
Class Ii ◽  
Sexual Differences ◽  
Class I ◽  
Stepwise Multiple Regression ◽  
Regression Equations ◽  
Class Iii ◽  
Digital Models ◽  
Arch Width ◽  
Division 1 ◽  
3D Digital Models

ABSTRACT Objectives (1) To evaluate the applicability of using 3D digital models in the assessment of the magnitude of occlusal contacts by measuring occlusal contact surface areas (OCSAs) and 3D mesh points in ‘contact’ (OCMPs) in a sample of orthodontic patients; (2) To detect any sex differences in the magnitude of occlusal contacts in all malocclusion groups; (3) To detect intergroup differences; (4) To assess possible correlations between occlusal contacts and other dental characteristics. Materials and methods Study casts of 120 malocclusion patients were selected and divided into 4 groups (class I division 1, class II division 1, class II division 2, class III) with equal numbers for both sexes. 3D digital models were produced using O3DM™ technology. Occlusal contacts were quantified using two methods of measuring. Results (1) No significant sexual differences were detected for OCMPs (mesh points) and OCSAs (mm2) in all groups. (2) There were statistically significant differences among malocclusion groups for OCMPs and OCSAs (p < 0.001). Tukey's HSD posthoc tests showed that class III patients had significantly less occlusal contacts than other malocclusion groups. (3) Stepwise multiple regression equations showed that overjet, lower arch width and overbite could explain approximately 19.5% of the total variance of OCSAs and OCMPs. Conclusion Sexual differences in occlusal contacts were not detected. Class I division 1 patients had the highest amount of occlusal contacts among all groups of malocclusion. Overjet, overbite and lower dental arch width were best predictors of occlusal contacts in the current sample. How to cite this article Al-Rayes NZ, Hajeer MY. Evaluation of Occlusal Contacts among Different Groups of Malocclusion using 3D Digital Models. J Contemp Dent Pract 2014;15(1):46-55.

scholarly journals ANALYSIS ON THE PATTERN OF USING THE SERVICE OF REMOVABLE PARTIAL DENTURE MAKING IN A DENTAL LABORATORY IN SURABAYA

2017 ◽  
Vol 52 (4) ◽  
pp. 270
Author(s):  
Okti Setyowati ◽  
Endang Kusdarjanti
Keyword(s):  
Dental Health ◽  
Class Ii ◽  
Class I ◽  
Class Iii ◽  
Removable Partial Denture ◽  
Partial Denture ◽  
Metal Framework ◽  
Removable Denture ◽  
Class Iv

The making of removable denture is performed by a dental laboratory. To facilitate the identification, according to Kennedy classification, classes are divided onto groups, the Kennedy class I, II, III and IV. To suit with the needs of the dental laboratory tasks commonly done, priority are necessary for common cases and should to be taught to students of Dental Health Technology Diploma. In Surabaya, research of various cases of removable partial denture with the various Kennedy classifications has never been done before. This study was to analyze the pattern of service for the removable partial denture manufacture in dental laboratory at Surabaya (2011 – 2013). The research is an observatory analytic. The population is all dental laboratories located around the campus of the Faculty of Dentistry Airlangga University Surabaya. The sample was the whole population is willing to become respondents. Sampling by total sampling. The method of collecting data using secondary data from a dental laboratory in Surabaya from 2011 until 2013. The note is cases removable denture according to the classification of Kennedy that Kennedy Class I, II, III and IV. Also of note kinds of materials used to make the denture base that is heat cured acrylic resins, thermoplastic resins and metals coherent. The data is a compilation table charting the frequency until needed, then analyzed using cross tabulation. Mostly denture type is flexible type and the least is metal framework. Most cases by classification Kennedy is followed by class II class III and class II and more recently is the fourth. In conclusion, in 2011 and 2013 the manufacture of removable partial dentures according to the classification of Kennedy Class III is the most common in both the upper arch and lower jaw, followed by Class II, Class I and Class IV. In 2012 which is the highest grade III followed by class II, class IV and class I. The denture type most used is a flexible denture, followed acrylic denture and the last is the metal framework.

scholarly journals Correction of gummy smile by superior repositioning of maxilla in Bangladeshi people

2016 ◽  
pp. 1-5
Author(s):  
Abdullah Al Masud ◽  
Muhammad Shohag Shikder ◽  
Mohammad Tofazzal Hossan ◽  
Mohammad Mahfuzul Gani ◽  
Mohammad Wahidul Islam
Keyword(s):  
Orthodontic Treatment ◽  
Class Ii ◽  
Class I ◽  
Class Ii Malocclusion ◽  
Le Fort I Osteotomy ◽  
Le Fort ◽  
Le Fort I ◽  
Gummy Smile

Vertical maxillary excess is associated with gummy smile, incompetent lip,  bimaxillary proclination, Angle’s class-I or class-II malocclusion with or without retogenia. After proper evaluation preoperative orthodontic treatment was performed in every cases and superior repositioning of the maxilla by Le Fort-I osteotomy is presented. Three patients with maxillary excess associated with retrogenia or microgenia were treated with this technique in combination with genioplasty. The maxillary segment was repositioned a maximum of 7.0 mm superiorly at point A. The mandible autorotated anterosuperiorly to achieve sound occlusion. Point B moved 1.0–3.0 mm anteriorly and 5.0–8.0 mm superiorly. The pogonion moved 4.0 mm anteriorly in a case done without genioplasty and the pogonion moved maximum 8.0mm in case done in combination with genioplasty. All patients obtained sound occlusion and a good profile after the operation. Almost no skeletal relapse was observed during 3 years of postoperative follow-up. Amount of gingiva showing during smile was ranges from 5.0mm –7.0mm which was 0-2.0mm after superior repositioning of the maxilla. Ban J Orthod & Dentofac Orthop, April 2016; Vol-6 (1-2), P.1-5

scholarly journals Class II Division 1 malocclusion treatment using TADs: Case report

2020 ◽  
Vol 67 (3) ◽  
pp. 159-164
Author(s):  
Tina Pajevic ◽  
Jovana Juloski ◽  
Marija Zivkovic
Keyword(s):  
Case Report ◽  
Orthodontic Treatment ◽  
Class Ii ◽  
Dental Arch ◽  
Class Ii Malocclusion ◽  
Posterior Teeth ◽  
Temporary Anchorage Devices ◽  
Division 1 ◽  
Incisor Retraction ◽  
Class Ii Division 1

Introduction. Orthodontic treatment of Class II Division 1 (II/1) malocclusions in adults can be challenging since skeletal effects are limited. Possible treatment options are orthodontic camouflage or orthognatic surgery, in severe cases. The aim of this paper was to present a successful management of Class II malocclusion in an adult patient using temporary anchorage devices (TADs). Case report. After detailed clinical examination, study models and cephalometric analysis, a 26 years old patient was diagnosed with Class II malocclusion, an overjet of 12 mm, congenitally missing tooth 41 and midline shifted to the right in upper dental arch. In prior orthodontic treatment, patient had upper premolars extracted. Posterior teeth in upper left quadrant were shifted mesially. The camouflage treatment was considered, using temporary anchorage devices (TADs) to distalize posterior teeth on the left side, and gain space for incisor retraction and midline correction in upper dental arch. Results. Using TADs as additional anchorage in anterior region and coil spring for molar distalization, the space was made for tooth 23, midline correction and incisor retraction. After 40 months, a satisfactory result was achieved, overjet and midline correction, class I canines occlusion and class II molar occlusion. Conclusion. Class II/1 malocclusion in adults can be successfully treated using TADs. The success depends on the severity of malocclusion and patient cooperation.

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