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All Journal Indonesian Journal of Applied Sciences Padjadjaran Journal of Dentistry

Bergman Thahar

Universitas Padjadjaran

Author-ID : 2698746

Biochemistry, Genetics & Molecular Biology Dentistry Environmental Science Health Professions Immunology & microbiology Medicine & Pharmacology Public Health

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PERBEDAAN KUAT REKAT BAHAN BONDING LIGHT-CURED RESIN-MODIFIED GLASS IONOMER PADA EMAIL KERING DAN EMAIL TERKONTAMINASI Ida Ayu Evangelina, Tono Hambali, Bergma Ida Ayu Evangelina, Tono Hambali, Bergman Thahar; Tono Hambali; Bergman Thahar
Indonesian Journal of Applied Sciences Vol 4, No 3 (2014)
Publisher : Universitas Padjadjaran

The difference of canine, first and second premolar tooth size resulted from cone beam computed tomography imaging with Moyers Prediction Table on the working study model Julies Hariani Sugiaman; Bergman Thahar; Endah Mardiati; Ria Noerianingsih Firman
Padjadjaran Journal of Dentistry Vol 23, No 1 (2011): March 2011
Publisher : Faculty of Dentistry Universitas Padjadjaran

Model study is one of the standard orthodontic components which is important for diagnosis and treatment plan, but in some patients with the high gag reflex, it will be difficult to get this kind of study models. The existence of a new device which is able to show the condition of patients' mouth in three space areas (axial, sagittal, and coronal) is expected to be an alternative when a study model is difficult to get. The purpose of this study is to find out whether or not there are any differences on the size of canine's mesiodistal, first and second premolar resulted from CBCT imaging with Moyers analysis on the study models. The method of the research is comparative descriptive. Measurements are made on 10 CBCT imaging results and 10 study models. The mesiodistal size, the result of CBCT imaging is measured by the available computer program and also the mesiodistal size of the study models is measured using a sliding compass, and then the size of canines, first and second premolar teeth resulted from CBCT imaging are compared to the result of Moyers method analysis on the study models. The t-test is used to find out if there is a difference between teeth size value between the CBCT imaging with the study models. The significance is determined based on the p-value < 0,05. The statistical test result shows a significant difference between the size of canines mesiodistal, first and second premolar teeth, the result of CBCT imaging and the Moyers analysis result in the study models in which t count > t table.

Mandibulary dental arch form differences between level four polynomial method and pentamorphic pattern for normal occlusion sample Y. Yuliana; Bergman Thahar; Jono Salim; Endah Mardiati
Padjadjaran Journal of Dentistry Vol 23, No 2 (2011): July 2011
Publisher : Faculty of Dentistry Universitas Padjadjaran

The aim of an orthodontic treatment is to achieve aesthetic, dental health and the surrounding tissues, occlusal functional relationship, and stability. The success of an orthodontic treatment is influenced by many factors, such as diagnosis and treatment plan. In order to do a diagnosis and a treatment plan, medical record, clinical examination, radiographic examination, extra oral and intra oral photos, as well as study model analysis are needed. The purpose of this study was to evaluate the differences in dental arch form between level four polynomial and pentamorphic arch form and to determine which one is best suitable for normal occlusion sample. This analytic comparative study was conducted at Faculty of Dentistry Universitas Padjadjaran on 13 models by comparing the dental arch form using the level four polynomial method based on mathematical calculations, the pattern of the pentamorphic arch and mandibular normal occlusion as a control. The results obtained were tested using statistical analysis T student test. The results indicate a significant difference both in the form of level four polynomial method and pentamorphic arch form when compared with mandibular normal occlusion dental arch form. Level four polynomial fits better, compare to pentamorphic arch form.

The comparison of speed and accuracy between manual and computer-aided measurements of dental arch and jaw arch lengths in study model casts Dinah Wibisono; Bergman Thahar; Tono S. Hambali; Jono Salim
Padjadjaran Journal of Dentistry Vol 19, No 1 (2007): March 2007
Publisher : Faculty of Dentistry Universitas Padjadjaran

This research is aimed at observing whether there are differences in the measurement results between dental arch length and arch length measured manually and by using computer software, i.e. Corel Draw 12, in study model cast as well as the measurement speed in both techniques. The method used in this research is the descriptive comparative method. The measurement is performed to 52 study model cast samples with the Spee Curve depth of < 1.5 mm, between 1.5 and 3 mm, > 3 mm. The measurements are performed using 2 techniques: a manual technique using a calliper and by using Corel Draw 12, a computer program with a computer scanner. The t-test statistic is used to reveal whether there are differences in the measurement results between the two techniques and which method needs shorter time. Statistically, there are significant differences either in the speed of the measurement or the results of the measurement using both techniques where t-calculated > t table. The deeper the Spee curve, the more different the results from the manual technique and computed technique. The differences are in the range of 0.32 to 0.52 mm for dental arch length and 0.33 to 0.43 mm for arch length. These differences are still acceptable clinically. By referring to the results of this research, it is expected that computer usage can be increased and become an alternative against manual technique of measurement.

The effectiveness of paint remover to resin adhesive residue on base mesh of metal bracket Sukarto Abubakar; Bergman Thahar; Tono S. Hambali; Jono Salim
Padjadjaran Journal of Dentistry Vol 20, No 2 (2008): July 2008
Publisher : Faculty of Dentistry Universitas Padjadjaran

The purpose of this study is to know whether paint remover can be used to remove resin adhesive residue on the base mesh of metal bracket. The study is based on in vitro experiment with descriptive-comparative and the test sample is 30 used brackets after treatment at Orthodontic Specialist Clinic Faculty of Dentistry Universitas Padjadjaran. The sample is randomly divided into 3 groups and each group consists of 10 brackets and then its bath in paint remover for 8, 10, and 12 hours, respectively and statistically analyzed with chi-square (χ2) and α= 0.05 and the results show signifi cantly diff erence between resin residue before and after immersion, while resin residue after immersion its group showed there are no signifi cant diff erences. Based on analyzed, it can be concluded that paint remover can be used to remove resin adhesive residue on base mesh of metal bracket and that 8, 10, and 12 hours immersion duration the result show effectiveness similiary.

Post orthodontic treatment stability measurement in dentoskeletal class I malocclusion based on the objective grading system index Bernard Anthony Pasaribu; Bergman Thahar; Jono Salim; Endah Mardiati
Padjadjaran Journal of Dentistry Vol 23, No 1 (2011): March 2011
Publisher : Faculty of Dentistry Universitas Padjadjaran

The purpose of this study was to examine the stability of orthodontic treatment results in dentoskeletal class I malocclusion treated with and without extraction of four premolars and to compare the stability of treatment result between those groups. Occlusal relationship after treatment and six-month post retention were measured on dental cast using The Objective Grading System Index at Orthodontic Specialist Clinic, Faculty of Dentistry Universitas Padjadjaran. The analytic descriptive study was carried out on 30 samples that comprised 14 samples were treated without extraction of four premolars and 16 samples were treated with extraction of four premolars. ABO Measuring Gauge was used to measure seven variables: tooth alignment, the height of the marginal ridges, buccolingual inclination, occlusal relationships, occlusal contacts, overjet, and interproximal tooth contacts. The results were statistically analyzed with the Wilcoxon rank test to test the difference of The Objective Grading System Index between posttreatment and postretension. Mann-Whitney U test was applied to determine the difference between the group with the extraction of four premolars and the group without extraction of four premolars. The level of significance was set at 0.05. The results of this study showed these following variables: tooth alignment, occlusal contacts, and overjet were unstable at the group with the extraction of four premolars, while only tooth alignment was found to be unstable in the group without extraction of the four premolars. Mann-Whitney U test did not show statistically significant difference in stability comparison test between the groups.

Co-Authors Bernard Anthony Pasaribu Dinah Wibisono Endah Mardiati Ida Ayu Evangelina, Tono Hambali, Bergma Ida Ayu Evangelina, Tono Hambali, Bergman Thahar Jono Salim Julies Hariani Sugiaman Ria Noerianingsih Firman, Ria Noerianingsih Sukarto Abubakar Tono Hambali Tono S. Hambali Y. Yuliana

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