Accurate positioning of the iris is critical for the success of an ocular prosthesis. Precise duplication of size and location of the iris is essential for the establishment of realism, symmetry, and a natural-appearing gaze. This article explores an alternative procedure for positioning the iris in a custom-made ocular prosthesis using a pupillary distance ruler (PD ruler). The orientation and mediolateral dimension of the iris of the natural eye was measured from the graduated scale on a PD ruler and transferred on to the sculpted scleral wax pattern. The iris button was positioned in the marked area, and the established orientation was evaluated for symmetry and a natural-appearing gaze. Accurate, predictable, and easy positioning of the iris with the transfer of these dimensions to the definitive prosthesis provided a good result in terms of patient esthetics and satisfaction.
Introduction: Various forms of malocclusion is most common dentofacial abnormality found in human population. People seek tteatment for such abnormalities based on the severity. The objective of this research is to evaluate Pattern of Malocclusion in Patients Seeking Orthodontic Treatment at Medical Colleges and Teaching Hospitals of Chitwan, Nepal.
Materials & Method: Two hundred thirty nine pre-operative study casts of orthodontic patients aged from 12-50 years selected from 550 patient’s records of departments of orthodontics of Chitwan Medical Colleges and Colleges of Medical Sciences, Bharatpur of Chitwan. Standard protocol of Angle’s classification of malocclusion was used to classify malocclusion and its attributes were recorded. Pearson’s Chi square test was performed to justify the result.
Result: The prevalence of malocclusion were 61.92% , 33.47% and 4.60% for Angle’s class I, Angle’s class II and Angle’s class III malocclusion respectively. Among various attributes of malocclusion, deep bite had highest frequency with 67.36% followed by overjet 58.99%, crowding 53.13% and spacing 35.98%, Anterior cross bite 11.71% reverse overjet 4.6%, posterior cross bite 1.2% and scissor bite 0.041%. Pearson Chi square test showed no relation among these attributes and sex and age at p < .05.
Conclusion: Angle’s class I malocclusion is most prevalent followed by Angle’s class II and Angle’s class III.
Introduction: Selection of appropriately sized maxillary denture teeth in various types of arch form is often a challenging aspect during complete denture rehabilitation. The correlation of facial anatomical landmarks may serve as a reliable predictor for the selection of teeth.
Materials and methods: The maxillary arch impression of 113 dentate subjects were made, casts poured and divided into square, ovoid and tapering arch form. The position of tip of maxillary canines in relation to commissure of mouth and midpupillary line were determined by using vacuum formed template and pupillometer respectively.
Results: The result showed the significant difference in mean distance from commissural to canine tip (p<0.001) and IPD (p<0.017) among square, ovoid and tapering arch form.
Conclusion: The commissure of lip may serve as a reliable guideline for selection of anterior teeth according to arch form and IPD/ICW can similarly be used to determine anterior teeth width.
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