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All Journal Majalah Kedokteran Bandung Majalah Kedokteran Gigi Indonesia Dental Journal (Majalah Kedokteran Gigi) Jurnal Kedokteran Gigi Universitas Padjadjaran Padjadjaran Journal of Dentistry Padjadjaran Journal of Dental Researchers and Students INDONESIAN JOURNAL OF MEDICAL ANTHROPOLOGY

Endah Mardiati, Endah

Fakultas Kedokteran Gigi Universitas Padjadjaran Bandung, Jalan Sekeloa Selatan, No. 1 Bandung

Author-ID : 508209

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

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Perbedaan hasil analisis sefalometri McNamara sebelum dan sesudah perawatan maloklusi kelas I protrusif bimaksiler Soegiharto, Eko Poetranto; Evangelina, Ida Ayu; Mardiati, Endah; Laviana, Avi
Padjadjaran Journal of Dental Researchers and Students Vol 7, No 1 (2023): Februari 2023
Publisher : Fakultas Kedokteran Gigi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjdrs.v7i1.35816

ABSTRAKPendahuluan: Protrusif bimaksiler mempunyai karakteristik profil konveks, relasi molar kelas 1, insisif rahang atas dan bawah protrusif. Ekstraksi empat gigi premolar rahang atas dan bawah menjadi pilihan perawatan. Analisis Mc Namara mengevaluasi variabel jaringan lunak, keras dalam arah sagital dan vertikal secara menyeluruh. Tujuan penelitian ini untuk mengukur perbedaan hasil analisis sefalometri Mc Namara sebelum dan sesudah perawatan maloklusi kelas I protusif bimaksiler dengan pencabutan empat premolar rahang atas dan bawah di Klinik PPDGS Ortodonti FKG UNPAD. Metode: Penelitian bersifat deskriptif analitik komparatif. Sampel berupa sefalogram lateral sebelum dan sesudah perawatan dari 15 pasien maloklusi kelas I protrusif bimaksiler yang dirawat dengan ekstraksi empat gigi premolar rahang atas dan rahang bawah di klinik PPDGS FKG UNPAD, diambil dengan metode purposive sampling, diolah dan dianalisis dengan t-test berpasangan. Hasil: Variabel canting bibir atas (p<0,05), sudut bidang mandibula (p<0,05), jarak insisif RA ke titik A (p<0,05) dan jarak insisif RB ke APog (p<0,05) menunjukkan perbedaan signifikan. Pengukuran variabel sudut nasolabial (p>0,05), titik A terhadap N perpendicular (p>0,05), condylion ke titik A (p>0,05), condylion ke gnation (p>0,05), LAFH (p>0,05), facial axis angle (p>0,05) dan pogonion ke N perpendicular (p>0,05) menunjukkan hasil yang tidak signifikan. Simpulan: Terdapat perbedaan analisis Mc Namara sebelum dan sesudah perawatan pada sudut bidang mandibula, jarak insisif atas ke titik A, jarak insisif bawah ke APog, cantinging bibir atas. Tidak terdapat perbedaan pada titik A terhadap N perpendicular, condylion ke titik A, condylion ke gnation, pogonion ke N perpendicular, sudut nasolabial dan facial axis angle.KATA KUNCI: protrusif, insisif, ekstraksi, sefalometri, analisisDifferences in the result of MC Namara cephalometric analysis before and after protrusive bimaxillary class I malocclusion treatment: Research as descriptiveABSTRACTIntroduction: Bimaxillary protrusive has characteristics are convex profile, class 1 molar relation, protrusive maxillary and mandibular incisors. Extraction of four maxillary and mandibular first premolar teeth is a treatment option. Mc Namara cephalometric analysis was used to evaluate the variables of soft tissue and hard tissue variables in the sagittal and vertical directions thoroughly. The aim of this study was to measure the differences before and after treatment bimaxillary protrusive class I malocclusion treatment accompanied by extraction of four first premolars at the PPDGS Orthodontic Clinic FKG UNPAD with Mc Namara cephalometry analysis. Methods: This research is a descriptive comparative analytic study. Samples are lateral cefalograms before and after treatment as many as 15 bimaxillary protrusive class I malocclusion patientst, which were taken by purposive sampling method, the data processed and analyzed by paired t-test. Results: Variable upper lip canting (p<0.05), mandibular plane angle (p<0.05), maxillary incisor to point A distance (p<0.05), mandibular incisor to APog distance. (p<0.05) indicates a significanting difference. Variable nasolabial angle p>0.05), point A to N perpendicular (p>0.05), condylion to point A (p>0.05), condylion to gnation (p>0.05), LAFH (p>0.05), facial axis angle (p> 0.05), pogonion to N perpendicular (p>0.05) indicates an insignificanting difference. Conclusions: Significanting differences before and after treatment seen in mandibular plane angle, maxillary incisor distance to point A, mandibular incisor distance to Apog, upper lip cantinging. Meanwhile nasolabial angle, point A to N perpendicular, condylion to point A, condylion to gnation, facial axis angle, pogonion to N perpendicular showed insignificanting results.KEY WORDS: protrusive, incisive, cephalometry, analysis

Resorpsi akar apikal eksternal gigi insisif rahang atas sesudah perawatan ortodonti pada kasus ekstraksi dan non ekstraksi maloklusi dentoskeletal kelas I Ulfah, Khairiyah; Evangelina, Ida Ayu; Mardiati, Endah; Elih, Elih
Padjadjaran Journal of Dental Researchers and Students Vol 7, No 1 (2023): Februari 2023
Publisher : Fakultas Kedokteran Gigi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjdrs.v7i1.36006

ABSTRAKPendahuluan: Resorpsi akar apikal eksternal merupakan salah satu efek iatrogenik yang tidak diinginkan. Resorpsi ini merupakan kerusakan non infeksius dan asimtomatik dimana terjadi pemendekan apikal akar gigi karena kehilangan permanen sementum dan atau dentin. Etiologi kondisi ini bersifat multifaktorial, merupakan kombinasi dari variabilitas biologi individu dan faktor mekanis perawatan, salah satunya adalah tindakan ekstraksi. Tujuan penelitian menganalisis resorpsi akar apikal eksternal pada gigi insisif rahang atas sesudah perawatan ortodonti kasus ekstraksi dan non ekstraksi maloklusi dentoskeletal kelas I. Metode: Jenis penelitian deskriptif analitik komparatif. Sampel penelitian adalah radiografi panoramik pasien sebelum dan sesudah perawatan ortodonti sebanyak 52 sampel, dibagi dalam kelompok kasus ekstraksi 20 sampel dan non ekstraksi 32 sampel. Resorpsi akar apikal eksternal diukur dari selisih rasio panjang akar mahkota gigi insisif rahang atas sebelum dan sesudah perawatan ortodonti menggunakan software ImageJ. Analisis data diuji dengan t-test. Hasil: Perubahan rasio panjang akar mahkota gigi insisif rahang atas sesudah perawatan ortodonti pada kelompok ekstraksi maupun non ekstraksi menunjukkan perbedaan yang bermakna (p-value < 0,05). Perbedaan selisih rasio panjang akar mahkota gigi insisif rahang atas antara kelompok ekstraksi dan non ekstraksi, sebelum dan sesudah perawatan ortodonti menunjukkan hasil yang tidak bermakna (p-value > 0,05). Simpulan: Terdapat perbedaan resorpsi akar apikal eksternal pada gigi insisif rahang atas baik pada kasus non ekstraksi maupun ekstraksi. Tidak terdapat perbedaan resorpsi akar apikal eksternal gigi insisif rahang atas sesudah perawatan ortodonti di antara kasus ekstraksi dan non ekstraksi maloklusi dentoskeletal kelas I. KATA KUNCIResorps,i akar, insisif, rahang atas, maloklusi, Angle kelas IExternal apical root resorption of maxillary incisors after class I dentoskeletal malocclusion orthodontic treatment in extraction and non-extraction casesABSTRACTIntroduction: External apical root resorption (EARR) is one of the undesirable iatrogenic effects of orthodontic treatment. EARR is a non-infectious and asymptomatic damage that cause apical shortening of the root structure due to permanent loss of cementum and / or dentin. The etiology is multifactorial, which is a combination of individual biological variability and mechanical factors of treatment such as extraction. The aim of this study was to evaluate EARR of maxillary incisors after class I dentoskeletal malocclusion orthodontic treatment in extraction and non-extraction cases. Methods: This research was using descriptive comparative analytic method. Fifty two panoramic radiograph of patients who have done orthodontic treatment were used in this study. The sample were divided into two groups, twenty for extraction cases and thirty two for non-extraction cases. EARR was measured from the difference in the root-crown ratio of the maxillary incisors before and after orthodontic treatment using ImageJ software. Data analysis was tested using t-test. Results: The change in the root-crown ratio of the maxillary incisors after orthodontic treatment in both non-extraction and extraction groups showed a significant difference (p-value <0.05). The difference in the root-crown ratio of maxillary incisors after orthodontic treatment in the non-extraction group compared to the extraction group showed no significant difference (p-value> 0.05). Conclusion: There was differences between EARR of maxillary incisors in both extraction and non-extraction cases. There was no differences in EARR of maxillary incisors after class I dentoskeletal malocclusion orthodontic treatment between extraction and non-extraction cases.KEY WORDS: Root, resorption, maxillary, incisors, malocclusion, angle class I

Perbedaan esthetic line (e-line) maloklusi skeletal kelas III sebelum dan setelah perawatan bedah ortognati menggunakan analisis sefalometri ricketts Hadi, Azmil; Mardiati, Endah; Evangelina, Ida Ayu; Laviana, Avi
Padjadjaran Journal of Dental Researchers and Students Vol 7, No 1 (2023): Februari 2023
Publisher : Fakultas Kedokteran Gigi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjdrs.v7i1.35814

ABSTRAKPendahuluan: Maloklusi skeletal kelas III merupakan kelainan dentoskeletal yang kompleks dan merupakan suatu maloklusi yang perawatannya paling sulit terutama pada pasien yang sudah selesai masa pertumbuhan pubertalnya, dimana pada kasus yang parah diperlukan perawatan ortodonti dan bedah ortognati. Terdapat berbagai metode untuk mengevaluasi hasil perawatan bedah ortognati, salah satunya adalah analisis Ricketts Esthetic Line (E-line) yang dapat digunakan untuk melihat perubahan jaringan lunak sebelum dan setelah perawatan bedah ortognati. Tujuan penelitian menganalisis perubahan profil jaringan lunak bibir menggunakan analisis Ricketts Esthetic line (E-line) pada maloklusi skeletal kelas III setelah perawatan bedah ortognati baik pada pembedahan satu rahang dan pembedahan dua rahang. Metode: Jenis penelitian deskriptif analitis komparatif. Sampel penelitian berupa sefalogram lateral sebelum dan setelah perawatan bedah ortognati dengan teknik pembedahan satu ataupun dua rahang Subjek penelitian 8 pasien dengan maloklusi skeletal kelas III yang menjalani bedah ortognati di bagian Bedah Mulut RSGM UNPAD Bandung. Analisis sefalometri diuji dengan uji- t berpasangan untuk melihat perbedaan jaringan lunak bibir sebelum dan setelah bedah ortognati berdasarkan analisis E-line Ricketts. Hasil: Terdapat perbedaan yang signifikan hasil analisis jaringan lunak bibir atas dan bawah terhadap Esthetic line (E-Line) sebelum dan setelah bedah ortognati jarak bibir atas sebelum dan setelah bedah ortognati berbeda secara bermakna p<0,0148, untuk jarak bibir bawah sebelum dan setelah edah ortognati juga berbeda secara bermakna p<0,0204. Hasil uji perbandingan antara sebelum setelah bedah ortognati dibandingkan dengan standar normal analisis E-line Ricketts maka e-line pada jarak bibir atas berbeda secara bermakna p<0,0072, sedangkan untuk bibir bawah tidak berbeda secara bermakna p>0,2413. Simpulan: Perawatan ortodonti dengan bedah ortognati pada maloklusi skeletal kelas III dapat mengubah E-line metode Ricketts secara signifikan, kecuali jarak bibir bawah terhadap norma e-line Ricketts yang tidak berbeda secara bermaknaKATA KUNCI: maloklusi skeletal kelas III, bedah ortognati, analisis Ricketts Esthetic Line (E-line).Differences in Esthetic Line (e-line) of Class III Skeletal Malocclusion Before and After Orthognathic Surgery Treatment Using Ricketts Cephalometric Analysis: Research desriptive ABSTRACTIntroduction: Class III skeletal malocclusion is a complex dentoskeletal disorder and is the most difficult malocclusion to treat, especially in patients who have completed their pubertal growth period. In severe cases, orthodontic treatment and orthognathic surgery are required. There are various methods to evaluate the results of orthognathic surgery, one of which is the Ricketts Esthetic Line (E-line) analysis that can be used to view soft tissue changes before and after orthognathic surgery. The aim of the study was to analyze changes in the soft tissue profile of the lips using Ricketts Esthetic line (E-line) analysis in class III skeletal malocclusion after orthognathic surgery for both one-jaw surgery and two-jaw surgery. Methods: This research is descriptive comparative analysis. The study samples were lateral cephalograms before and after orthognathic surgery with one or two jaw surgery techniques. The study subjects were 8 patients with skeletal class III malocclusion who underwent orthognathic surgery at the Oral Surgery Department of the Padjadjaran University Hospital in Bandung. Cephalometric analysis was tested by paired t-test to see differences in lip soft tissue before and after orthognathic surgery based on Ricketts E-line analysis. Results: There were significant differences in the results of analysis of the soft tissue of the upper and lower lips on the Esthetic line (E-Line) before and after orthognathic surgery. orthognathic was also significantly different p < 0.0204. The results of the comparison test between before after orthognathic surgery compared to standard normal Ricketts E-line analysis showed that the e-line at the distance of the upper lip was significantly different p<0.0072, while for the lower lip it was not significantly different p>0.2413. Conclusion: Orthodontic treatment with orthognathic surgery in class III skeletal malocclusion can significantly change the Ricketts E-line method, except that the distance of the lower lip to the Ricketts e-line norm is not significantly differentKEY WORDS: skeletal class III malocclusion, orthognatic surgery, Ricketts esthetic line (E-line) analysis.

The changes of horizontal distance condyle to nasal septum after the Twin-block treatment on class II division 1 with retrognathic mandible Xin, Lee Jie; Mardiati, Endah; Harsanti, Andriani
Padjadjaran Journal of Dentistry Vol 28, No 3 (2016): November 2016
Publisher : Faculty of Dentistry Universitas Padjadjaran

Introduction: Twin-block appliance is simple removable bite block mostly used in the management of Class II malocclusion. It can modify the occlusal inclined plane to guide the mandible protrusion. Hence, when the patients are wearing the Twin-block appliances, this altered biomechanical environment and will stimulate the growth of the secondary cartilage of condyle and will caused the condyle to change in size, volume or position the in long term. The aim of this study was to investigate the changes of horizontal distance from condyle to nasal septum after the Twin-block treatment on Class II division 1 with retrognathic mandible. Methods: There were total 5 samples of panoramic radiograph before Twin-block treatment and 5 samples of panoramic radiograph after Twin-block treatment. The panoramic radiographs were traced to identify the changes of horizontal distance from condyle to nasal septum after the Twin-block treatment. The distance from the middle of nasal septum to the most superior surface of condyle head for right region and left region were measured, then the differences were statistically analyzed. Results: The horizontal distance from the middle of nasal septum to the most superior surface of condyle head after the Twin-block treatment increased. The difference of condyle position before and after the treatment of Twin-block.was slight (p-value > 0.05). Conclusion: There is no significant difference in horizontal distance from the most superior surface of condyle head to the middle of nasal septum before and after treatment of Twin-block.

The effect of alcohol-containing mouthwash and alcohol-free mouthwash towards the power chains force decay Santana, Willem; Thahar, Bergman; Mardiati, Endah; Salim, Jono
Padjadjaran Journal of Dentistry Vol 29, No 3 (2017): November 2017
Publisher : Universitas Padjadjaran

Introduction: Power chains is the common device used in fixed orthodontic treatment. Force decay in power chains is a problem that can affect the teeth movement due to a continuous force cannot be maintained. Force decay in power chain can be affected by the use of alcohol-containing mouthwash or alcohol-free mouthwash. The objective of this study was to determine the effect of alcoholic-containing mouthwash, alcohol-free mouthwash, and artificial saliva towards the power chains force decay. Methods: This research was an experimental analytic laboratory in-vitro with the comparative approach. The sample in this study were 40 power chain, short A (SA); 40 power chain, short B (SB); 40 power chain, long A (LA); and 40 power chain, long B (LB), which divided into 5 groups that were consecutively exposed to the artificial saliva as control group; Minosep® with 0.1% of chlorhexidine gluconate; Listerine® with 0% of alcohol; Hexadol® with 9% of alcohol; and Listerine® with 26.9% of alcohol. The measurement of force decay was performed with digital force gauge on day 0, 1, 14, and 28. The statistical analysis was done by using the Wilcoxon and Mann-Whitney tests. Result: There was a significant difference (p<0.05) between the force decay of power chain that exposed to the alcohol-containing mouthwash, alcohol-free mouthwash, and the artificial saliva. Conclusion: The force decay level of power chain that exposed to an alcohol-containing mouthwash was higher compared to the force decay level of power chain that exposed to an alcohol-free mouthwash and an artificial saliva.

The use of indexs objective grading system and smile line for evaluating the balance functional occlusion in orthodontic treatment Damaryanti, Endah; Thahar, Bergman; Salim, Jono; Mardiati, Endah
Padjadjaran Journal of Dentistry Vol 26, No 3 (2014): November 2014
Publisher : Faculty of Dentistry Universitas Padjadjaran

Introduction: Orthodontic treatment has a main purpose to reach balanced functional occlusion and create a harmonic esthetic face. But several studies indicates that orthodontic treatment influence smile esthetics, especially smile arc and buccal corridor. One-third of the treated patients showed a flat smile arc and orthodontic treatment with extraction resulted in excessive buccal corridors. The purpose of this research is to evaluate the difference of the Objective Grading System index, developed by the American Board of Orthodontics (ABO) and smile aesthetics in patients with Class I dentoskeletal malocclusion before and after orthodontic treatment. Methods: Twenty dental casts, panoramic radiographs and grouped pre and post-treatment. Dental casts and panoramic radiographs are scored according to the guidelines of the Objective Grading System. Extra-oral photographs were assessed by researcher using modified Goldstein dentofacial analysis. Result of measurements were evaluated with statistical t-test. Results: Results of the research indicates Objective Grading System index and also score of smile esthetics before and after orthodontic treatment shows difference statistically (for Objective Grading System index P = -1121 > 2.09 and for smile esthetics P = 5.15 > 2.09). Conclusions: Extremely weak relationship was found between Objective Grading System index and Aesthetics smiles.

Decrease in alveolar crest height due to orthodontic treatment method using standard edgewise fix appliance molar Nauli, Jessy; Thahar, Bergman; Salim, Jono; Mardiati, Endah
Padjadjaran Journal of Dentistry Vol 26, No 3 (2014): November 2014
Publisher : Universitas Padjadjaran

Introduction: Orthodontic treatment could influence alveolar bone height. The longer the treatment, the more effect it will be. The purpose of this study was determined the differences in alveolar bone height at the canine, second bicuspid, mandibular first molar in the case of mandibular premolar extraction with different treatment duration. Methods: This study is a retrospective – comparative analytic study, involving 17 samples which have finished orthodontic treatment at FKG Unpad PPDGS orthodontic clinic. The alveolar bone height was determined from panoramic x-rays obtained by measuring the ratio of alveolar crest and the cemento enamel junction to the tooth cusp (Bjorn method). The results of the study were then analyzed using t-student test with Pvalue=0.05. Results: The results showed a significant correlation in alveolar bone height reduction. In the group less than 2-years treatment, there was a reduction in alveolar bone height only at the mesial side of tooth 35 while there was a significant reduction at the distal canine, the mesial-distal second bicuspid and the mesial-distal side of the mandibular first molar in a group more than 2 years-treatment. Conclusions: This study concluded that there was a significant influence on the duration of treatment and alveolar bone height reduction in the group more than 2-years treatment.

The difference in the ratio of the maxillary anterior teeth mesiodistal to the golden proportion value after class I malocclusion treatment with Edgewise standard fixed appliance Suherman, Agutina; Mardiati, Endah; Hambali, Tono; Thahar, Bergman
Padjadjaran Journal of Dentistry Vol 22, No 2 (2010): July 2010
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjd.vol22no2.26870

Introduction: The purpose of this study was to determine the difference in the ratio of maxillary anterior teeth as the results of Edgewise Standard fixed orthodontic treatment with and without extraction with golden proportion values. Methods: This study is using a retrospective analitist descriptive method. Sample divided at two groups of 13 patients with extraction of first premolar and 19 patients without first premolar extraction. The study population was patients who had completed the Edgewise Standard fixed orthodontic treatment at the Orthodontics Specialist Professional Program of the Faculty of Dentistry Universitas Padjadjaran at 2000-2009. The study was conducted using frontal intraoral photometry before and af-ter treatment with 3R photo size, then measured with electronic digital calliper software. Results: Evaluation is done by measuring the maxillary anterior teeth ratio using phimatrix software on frontal intra oral photometry of the post standard edgewise orthodontics patients with Class I malocclusion to the golden proportion, then proceed with statistical t-test. Conclusion: The conclusion of this study shows that the maxillary anterior teeth post standard edgewise orthodontic treatment in class I dento-skeletal patients with or without the first premolar extraction whose treated in orthodontic resident’s clinic Padjadjaran University shows a significant differences with the golden proportion.

Evaluation of the basic surface roughness of an ISO-certified and non-ISO-certified slot bracket with an atomic force microscope Jusup, Chrisni Oktavia; Soemantri, Eky Setiawan Soeria; Mardiati, Endah; Evangelina, Ida Ayu
Padjadjaran Journal of Dentistry Vol 31, No 2 (2019): July 2019
Publisher : Universitas Padjadjaran

Introduction: The base surface roughness of slot bracket can affect friction in tooth movement. There are ISO-certified and non-ISO-certified stainless steel brackets on the market. Thus orthodontists must be careful in choosing the right bracket. This study was aimed to evaluate the differences of the surface roughness of ISO-certified and non-ISO-certified Roth 0.022 inch stainless steel bracket with the parameter of S a (average roughness). Methods: This research was a laboratory observational. Samples were taken randomly as many as 32 brackets divided into two groups, each consisted of two bracket brands. Surface roughness measurements were performed using an atomic force microscope (AFM), then the data were analysed by ANOVA test (p < 0.05) and Post-Hoc analysis. Results: The ISO-certified bracket has an S a value smaller than the non-ISO-certified bracket. There was a significant difference in the surface roughness of the ISO-certified and non-ISO-certified slot bracket base (p < 0.05). Conclusion: The ISO-certified bracket has a smoother base surface than the non-ISO-certified bracket base.Keywords: Surface roughness, stainless steel slot bracket, atomic force microscope

Changes in dentofacial vertical dimension with class I before and after treatment orthodontic appliance with and without extractions of first four premolar teeth Octavianti, Fitri; Salim, Jono; Thahar, Bergman; Mardiati, Endah
Padjadjaran Journal of Dentistry Vol 22, No 2 (2010): July 2010
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjd.vol22no2.26853

Introduction: There are different opinions on the effect of extraction on the first four premolar teeth. The purpose of this study is to analyzed change of dentofacial vertical dimension before and after orthodontic treatment for two groups of patients treated with and without extractions of first four premolar teeth. Methods: A method by Sivakumar and Valiathan (2008) using lateral cephalometry on 20 extraction cases and 15 cases of non-extraction was employed. Tracing was conducted before and after orthodontic treatment and some 13 measurements were conducted manually using a protractor, i.e. mandibular plane angle, anterior facial height, lower anterior facial height, posterior facial height, facial height index, FH-U1, FH-U6, FL -L1, FL-L6, Svertical-U1, Svertical-U6, Pogvertical-L1-L6 Pogvertical. Statistical analysis using t-test with P> 0.05 for paired, Showed that there was no significant changes in dentofacial vertical dimension for malocclusion Class I cases before and after treatment for samples treated with and without extraction of the first four premolar teeth for both groups of samples. Results: No significant difference found in the dentofacial vertical dimension for the extraction and non-extraction groups of samples. Conclusion: orthodontic treatment for class I malocclusion cases, both with and without extraction, did not cause any significant difference in the dentofacial vertical dimension. Showed that there was no significant changes in dentofacial vertical dimension for class I malocclusion cases before and after treatment for samples treated with and without extraction of the first four premolar teeth for both groups of samples. Results: No significant difference found in the dentofacial vertical dimension for the extraction and non-extraction groups of samples. No significant difference found in the dentofacial vertical dimension for the extraction and non-extraction groups of samples. Conclusion: There are no changes in the vertical dimension of dentofacial before and after treatment in Class I with a retraction and extraction four first premolars fixed orthodontic appliance.

Co-Authors Ananto Ali Alhasyimi Andreas, Monica Andriani Harsanti, Andriani Avi Laviana, Avi Avi Lavina, Avi Bergman Thahar, Bergman Bernard Anthony Pasaribu, Bernard Anthony E. Elih, E. elih, Elih Endah Damaryanti, Endah Ervina Sofyanti Farmasyanti, Cendrawasih Andusyana Gio, Prana Ugiana Gita Retyoningrum, Gita H. Hendri, H. Hadi, Azmil Haryono Utomo Ida Ayu Evangelina, Ida Ayu Ida Bagus Narmada Indra Mustika SP, Indra Jessy Nauli, Jessy Jono Salim, Jono Julies Hariani Sugiaman, Julies Hariani Jusup, Chrisni Oktavia Lee Jie Xin, Lee Jie Manurung, Prans Samuel Antony Maria Purbiati Marya, Anand Miranti, Diandra Audyla mulkhairul, Ilham Norman Wachyudi, Norman Noviaranny, Indah Yuri NR Yuliawati Zenab, NR Yuliawati Octavianti, Fitri Paskalin, Zenith Ria Noerianingsih Firman, Ria Noerianingsih Saputra, Sintia Sayuti, Elih Soegiharto, Eko Poetranto Soemantri, Eky Setiawan Soeria Suherman, Agutina Syafitri, Kharlina Tono Hambali, Tono Tono S. Hambali, Tono S. Ulfah, Khairiyah vina andriani Willem Santana, Willem Y. Yuliana, Y. Yakin Hasbullah, Irnamanda Dwipura Yuliana Ziliwu, Yuliana Yuti Malinda

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