scholarly journals The Size of the Sella Turcica in Skeletal Class I, Class II, and Class III using FACAD Software- South Indian Population Study

2020 ◽  
Keyword(s):  
Population Study ◽  
Indian Population ◽  
Sella Turcica ◽  
Class Ii ◽  
Class I ◽  
South Indian Population ◽  
Class Iii ◽  
Skeletal Class ◽  
South Indian

scholarly journals Effectiveness of the 'Oral Rub And Rinse Technique' As a Tool for Oral Cancer Screening in South Indian Population

2018 ◽  
Vol 4 (Supplement 2) ◽  
pp. 55s-55s
Author(s):  
A. D'Cruz
Keyword(s):  
Cancer Screening ◽  
Oral Cancer ◽  
Indian Population ◽  
Conventional Technique ◽  
Class I ◽  
South Indian Population ◽  
Class Iii ◽  
South Indian ◽  
Oral Cancer Screening ◽  
Class Iv

Background: Oral cancer is a public health problem and causing huge economic and a social burden. Early detection of oral potentially malignant disorders and oral cancers is very important in reducing the morbidity and mortality rates. Aim: To assess the effectiveness of the 'Oral Rub and Rinse Technique' as a tool for oral cancer screening among South Indian population. Methods: A population based, high risk targeted oral cancer screening was conducted in 2 districts of Karnataka, South India. About 523 subjects participated in the study. Data were collected regarding the sociodemographic details, history of tobacco use and knowledge regarding oral cancer. The participants were then screened for presence of oral premalignant/malignant lesions or conditions. Exfoliative cytology was done using traditional method and the 'Oral Rub and Rinse Technique' if red/white lesions were present. Smears were stained with Papanicolaou (PAP) stain and were evaluated by 2 cytopathologists independently. The data were tabulated and subjected to statistical analysis. Results: Of the 523 subjects, 112 had red/white lesions. Of these, 23% were Class I smears, 24% Class II smears, 31% Class III and 16% Class IV smears and 6% were unsatisfactory using the conventional technique whereas the Oral Rub and Rinse Technique showed 19% Class I smears, 28% Class II smears, 32% Class III smears, 17% Class IV smears and 4% unsatisfactory. The cellular quantity and quality in terms of clarity and dispersion was better with the smears prepared by the Oral Rub and Rinse Technique than the conventional technique. Conclusion: Oral Rub and Rinse Technique can be a reliable tool for population screening of oral cancer.

scholarly journals Anatomical characteristics of mandibular bone in skeletal Class I, II and III patients by using cone beam computed tomography images in an iranian population

2021 ◽  
Vol 24 (2) ◽  
Author(s):  
Mohammad Zandi ◽  
Abbas Shokri ◽  
Vahid Mollabashi ◽  
Zahed Eghdami ◽  
Payam Amini
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Class Ii ◽  
Class I ◽  
Cone Beam ◽  
Class Iii ◽  
Anatomical Characteristics ◽  
Skeletal Class ◽  
Skeletal Class Ii ◽  
Ramus Height

Objetive: This study aimed to compare the anatomical characteristics of the mandible in patients with skeletal class I, II and class III disorders using cone beam computed tomography (CBCT). Material and Methods: CBCT scans of patients between 17 to 40 years taken with NewTom 3G CBCT system with 12-inch field of view (FOV) were selected from the archive. Lateral cephalograms were obtained from CBCT scans of patients, and type of skeletal malocclusion was determined (Class I, II or III). All CBCT scans were evaluated in the sagittal, coronal and axial planes using the N.N.T viewer software. Results: The ramus height and distance from the mandibular foramen to the sigmoid notch in class II patients were significantly different from those in skeletal class I (P < 0.005). Distance from the mandibular canal to the anterior border of ramus in class III individuals was significantly different from that in skeletal class I individuals (P < .005). Conclusion: Length of the body of mandible in skeletal class I was significantly different from that in skeletal class II and III patients. Also, ramus height in skeletal class I was significantly different from that in skeletal class II patients. CBCT had high efficacy for accurate identification of anatomical landmarks.   Keywords Prognathism; Retrognathism; Mandible; Anatomy; Cone beam computed tomography.

scholarly journals Relationship between skeletal malocclusion and dental anomalies in Nepalese population

2019 ◽  
Vol 9 (1) ◽  
pp. 15-18
Author(s):  
Bashu Dev Pant ◽  
Anjana Rajbhandari ◽  
Resina Pradhan ◽  
Manju Bajracharya
Keyword(s):  
Third Molar ◽  
Class Ii ◽  
Class I ◽  
Class Ii Malocclusion ◽  
Class Iii ◽  
Dental Anomalies ◽  
Chi Square ◽  
Skeletal Class ◽  
Skeletal Malocclusion ◽  
Third Molar Agenesis

Introduction: Teeth eruption is important for the development of alveolar process which increases vertical height of the face and third molar is the last tooth to erupt in the oral cavity after birth. The aim of this study was to determine relationship between skeletal malocclusion and dental anomalies in Nepalese population. Materials & Method: A sample of 170 patients with agenesis of at least one third molar was divided into four groups according to the third-molar agenesis pattern. Panoramic radiographs, lateral cephalograph and cast models were used to determine the skeletal malocclusion and associated dental anomalies. The Pearson chi-square test was used for stastical analysis. Result: Among 170 patients more than half of the patients were female with the average age being 18.15 ± 3.64 years. Majority of the patients had Class I skeletal malocclusion followed by Class II and III but on group wise comparison of patients with different skeletal patterns Class I skeletal malocclusion had highest prevalence of dental anomalies followed by Class III and Class II malocclusion. Conclusion: Prevalence of third-molar agenesis was more in skeletal class I malocclusion followed by class II and III but skeletal Class I malocclusions had more dental anomalies followed by class III and class II malocclusion.

scholarly journals A “new vista” in the assessment of antero-posterior jaw relationship

2015 ◽  
Vol 5 ◽  
pp. 151-155
Author(s):  
Divi Mittal ◽  
Shivanand Venkatesh ◽  
Prashantha Govinakovi Shivamurthy ◽  
Silju Mathew
Keyword(s):  
Sensitivity And Specificity ◽  
Roc Curves ◽  
Class Ii ◽  
Class I ◽  
Class Iii ◽  
Operating Characteristics ◽  
Lateral Cephalogram ◽  
Skeletal Class ◽  
Lateral Cephalograms ◽  
Posterior Discrepancy

Aim The purpose of this investigation was to (1) compare the credibility of four recently introduced cephalometric measurements in assessing the antero-posterior jaw relationship; (2) To assess the correlation between various measurements used for assessment of antero-posterior discrepancy, including Yen linear, Yen angle, W angle and Pi angle. Materials and Methods The sample size for the study consisted of 45 subjects with age group of 15-19 years (mean age 17 ± 2.1) and was subdivided into Skeletal Class I, II and III groups of 15 each based upon the ANB angle derived from the pre treatment lateral cephalogram. Landmarks were located and Yen angle, Yen linear, W angle and Pi angle were assessed for each group. All the lateral cephalograms were traced by a single examiner. Intra examiner reliability was assessed by Intraclass co-efficient correlation (ICC) test. Correlation coefficients were obtained for each of parameters to compare their relationship with other parameters in Class I group. Receiver operating characteristics (ROC) curves were run to examine sensitivity and specificity of all the angles. Results The results showed that ICC for all the groups were ≥0.90 showing good repeatability of the measurements. There was statistically significant correlation between Yen angle and ANB angle, Yen linear and Yen angle for Class I group, between W angle and Yen angle for Class II group, between Yen angle, Yen linear and ANB for Class III group. ROC curves showed that Pi angle had 100% sensitivity and specificity to discriminate a Class II and a Class III group from a Class I and a Class III group from a Class II. Yen linear and W angle showed very low specificity to differentiate a Class II from a Class I group. Interpretation and Conclusion The new parameters considered in the study were found to be equally reliable and are not affected much by local remodeling due to tooth movements or by occlusal or Frankfurt horizontal plane. These parameters measure the antero-posterior discrepancy more consistently and accurately, with Pi angle being the most accurate.

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