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All Journal e-GIGI Media Statistika Jurnal Ilmu dan Teknologi Kesehatan Padjadjaran Journal of Dental Researchers and Students Indonesian Journal of Dental Medicine
Boedi, Rizky M.
Department Of Dentistry, Universitas Diponegoro
Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Health Professions Immunology & microbiology Medicine & Pharmacology Public Health

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Evaluasi Ekstraksi Molar Ketiga Rahang Bawah Berdasarkan Angulasi Mesial pada Radiografi Panoramik Saputri, Rosalina I.; Boedi, Rizky M.
e-GiGi Vol 8, No 1 (2020): E-GiGi
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35790/eg.8.1.2020.28743

Abstract

Abstract: Third molar development is a concern in dental care because of its influence on stomatognathic system. Due to third molar irregular pattern of eruption, different clinical and radiographic considerations on how to decide an extraction were studied. This study was aimed to evaluate the effect of mandibular third molar mesial angulation (MA) towards the extractions on panoramic radiographs. This was a retrospective study. A longitudinal study of mandibular third molars (n=192) of 102 individuals (50 Female and 52 Male) was conducted. Development of the mandibular third molar was staged according to modified Köhler et al. staging technique. Mesial angulation was measured from the intersection between axes of third molar and adjacent second molar of the most developed stage for extraction cases or before root completion for non-extraction cases. Of 102 subjects, 107 mandibular third molars were extracted. The increase of 1° of MA would increase the odds ratio (OR) of extraction by 1.113 (95% CI 1.070-1.158, p<0.01). The ROC curve showed the MA of 18.5o as the threshold of extraction with 76% of sensitivity and 68% of specificity. In conclusion, MA has the possibility as a predictive factor of mandibular third molar extraction. Future studies using bigger sample sizes and variations of third molar development are suggestedKeywords: third molar, angulation, extraction, predictive factor, panoramic radiographs Abstrak: Pertumbuhan molar ketiga menjadi perhatian pada perawatan dental karena pengaruh-nya pada sistem stomatognasi. Terdapat banyak penelitian tentang berbagai pertimbangan klinis dan radiografis untuk melakukan ekstraksi molar ketiga karena pola erupsinya yang tidak menentu. Penelitian ini bertujuan untuk mengevaluasi efek angulasi mesial (AM) dari molar ketiga rahang bawah terhadap tindakan ekstraksi pada radiografi panoramik. Jenis penelitian ialah retrospektif. Pengamatan molar ketiga rahang bawah (n=192) secara longitudinal dilakukan pada 102 individu (50 perempuan dan 52 laki-laki). Pertumbuhan molar ketiga diukur berdasarkan tahap pertumbuhan dari teknik modifikasi Köhler et al. AM diukur dari pertemuan aksis molar ketiga dan molar kedua di sebelahnya, pada tahap pertumbuhan paling akhir pada kasus ekstraksi, atau sebelum akar gigi terbentuk sempurna pada kasus non-ekstraksi. Pada sampel penelitian, ekstraksi dilakukan pada 104 molar ketiga rahang bawah. Peningkatan 1o dari AM akan meningkatkan rasio peluang dari ekstraksi sebesar 1,113 (95% CI 1,070-1,158, p<0,01). Pada kurva ROC, AM sebesar 18,5o menunjukan 76% sensitivitas dan 68% spesifisitas. Simpulan penelitian ini ialah AM dapat digunakan sebagai faktor prediksi terhadap ekstraksi molar ketiga rahang bawah. Perkembangan penelitian selajutnya dapat dilakukan dengan jumlah sampel yang lebih besar dan dengan memperhatikan pertimbahan klinis serta parameter radiografik lainnya.Kata kunci: molar ketiga, angulasi, ekstraksi, faktor prediksi, radiografi panoramik
Aplikasi Metode Third Molar Maturity Index pada Kelompok Usia Remaja Prabowo, Yoghi B.; Ermanto, Haliza; Skripsa, Tira H.; Limijadi, Edward K. S.; Boedi, Rizky M.
e-GiGi Vol 8, No 2 (2020): E-GiGi
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35790/eg.8.2.2020.30541

Abstract

Abstract: Up to now, there are still residents of Indonesia who do not have legal documents supporting age information. Hence, proving the age of a person concerning some reasons becomes difficult. Third molar development could be used as an indicator to estimate the age in adolescents if legal documents are not available. This study was aimed to prove the difference in the development of third molars between individuals aged above and below 19 years using the third molar maturity index (I3M) method. Third molar development calculations were performed on 112 digital OPG photographs (71 females and 41 males) of patients aged 16- <24 years. Samples were divided into two age groups, namely <19 years and ≥19 years. We performed comparison tests to analyze the differences between groups and genders against I3M. The results showed significant differences between the development of third molars in individuals aged above and below 19 years according to I3M values. Meanwhile, there was no significant differences in I3M values between males and females. Males experienced faster third molar development than females in the age group <19 years. In conclusion, the I3M method can be used to differentiate the development of third molars in individuals aged above and below 19 years. Further research could be carried out by using a larger number of samples and setting a threshold of I3M for the age of 19 among Indonesian population.Keywords: dental age estimation, third molar, I3M method Abstrak: Pada saat ini, masih ada penduduk Indonesia yang tidak memiliki dokumen legal pendukung informasi usia sehingga terdapat kesulitan dalam membuktikan usia seseorang untuk berbagai kebutuhan. Pertumbuhan molar ketiga dapat digunakan sebagai indikator untuk melakukan estimasi usia pada remaja bila dokumen legal tidak tersedia. Penelitian ini bertujuan untuk membuktikan perbedaan pertumbuhan molar ketiga pada individu berusia di atas dan di bawah 19 tahun dengan metode third molar maturity index (I3M). Perhitungan pertumbuhan molar ketiga dilakukan pada 112 foto OPG digital (71 wanita dan 41 pria) dari pasien berusia 16- <24 tahun. Sampel dibagi menjadi dua kelompok usia, yaitu <19 tahun dan ≥19 tahun. Uji beda dilakukan untuk menganalisis perbedaan antar kelompok dan jenis kelamin terhadap I3M. Hasil penelitian ini menunjukkan perbedaan bermakna antara pertumbuhan molar ketiga pada individu berusia di atas dan di bawah 19 tahun. Tidak terdapat perbedaan bermakna pada nilai I3M pada pria dan wanita. Pria ditemukan mengalami pertumbuhan molar ketiga yang lebih cepat dari wanita pada kelompok usia <19 tahun. Simpulan penelitian ini ialah metode I3M dapat digunakan untuk membedakan pertumbuhan molar ketiga pada individu berusia di atas dan di bawah 19 tahun. Disarankan penelitian lanjut dengan menggunakan jumlah sampel yang lebih besar dan dilakukan penetapan batas ambang I3M untuk usia 19 tahun pada populasi Indonesia.Kata kunci: estimasi usia dental, molar ketiga, metode I3M
Efek paparan gas ozon terhadap mikroba saliva rongga mulutEffects of ozone gas exposure on oral saliva microbes Gunawan Wibisono; Rizky Merdietio Boedi; Suryanelis Suryanelis
Padjadjaran Journal of Dental Researchers and Students Vol 5, No 2 (2021): Oktober 2021
Publisher : Fakultas Kedokteran Gigi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjdrs.v5i2.33287

Abstract

ABSTRAK Pendahuluan: Saliva merupakan salah satu sumber penyebaran infeksi selama perawatan gigi, yang menghasilkan bioaerosol. Prosedur asepsis perlu dilakukan untuk mengontrol bioaerosol sebagai upaya  mengurangi risiko  infeksi. Berbagai bahan asepsis telah digunakan,  dengan  kelebihan dan kekurangannya.  Inovasi penggunaan bahan lain sangat diperlukan untuk mencapai kondisi asepsis secara efektif namun efisien.  Salah satu ide  inovatif adalah  penggunaan gas ozon untuk berbagai prosedur asepsis di klinik gigi. Penelitian  ini bertujuan menganalisis  efek paparan gas ozon terhadap mikroba saliva rongga mulut secara in-vitro. Metode: Penelitian dilakukan dengan sampel dari 60 ml air kumur 15 orang relawan, menggunakan aquades selama 60 detik, kemudian diencerkan dengan saline hingga volume mencapai 100 ml. Gas ozon total 384 gram dialirkan ke dalam larutan air kumur ini, selama 120 detik. Sejumlah 20 ml larutan sampel dituang merata dalam media Plate count agar (PCA) dan diinkubasi selama 24 jam, untuk kelompok sebelum diberi perlakuan gas ozon (Kelompok Pre-test) dan setelah perlakuan (Kelompok Post-test).  Data penelitian berupa jumlah koloni mikroba (CFU) yang tumbuh pada media PCA. Data penelitian dianalisis dengan uji Wilcoxon. Hasil: Rerata jumlah koloni mikroba Kelompok Pre-test  4,36 ± 0,17 dan kelompok Post-test 2,40±0,3 Hasil uji Wilcoxon menunjukkan Jumlah koloni mikroba mengalami penurunan signifikan p=-3,29 (P<0,05). Paparan gas ozon selama 120 detik menurunkan jumlah mikroba rata-rata sebesar 55%. Beberapa mikroba lolos hidup, diduga karena adanya variabilitas biologis atau resistensi terhadap ozon. Simpulan: Gas ozon mempunyai efek menurunkan jumlah koloni mikroba saliva.Kata kunci: ozon; antimikroba; asepsis ABSTRACT Introduction: Saliva is a source of infection spread during dental treatment, producing bioaerosols. Aseptic procedures need to be carried out to control bioaerosols to reduce infection risk. Various widespread aseptic materials hold specific advantages and disadvantages. Therefore, innovation of other materials is needed to achieve aseptic conditions effectively and efficiently. One of the innovative ideas is ozone gas for various aseptic procedures in dental clinics. This study was aimed to analyse the effect of ozone gas exposure on oral saliva microbes in-vitro. Methods: The study was conducted with a sample of 60 ml of mouthwash residue from 15 volunteers, which was distilled for 60 seconds, then diluted with saline until the volume reached 100 ml. A total of 384 grams of ozone gas flowed into this solution for 120 seconds. A total of 20 ml of sample solution was poured evenly in plate count agar (PCA) media and incubated for 24 hours for the group before being treated with ozone gas (pre-test group) and after treatment (post-test group). Research data was the number of microbial colonies (CFU) that grew on PCA media. Research data were analysed by the Wilcoxon test. Results: The mean number of microbial colonies in the pre-test group was 4.36 ± 0.17 and the post-test group 2.40 ± 0.3. The Wilcoxon test results showed that microbial colonies decreased significantly  p=-3,29 (p<0.05). Ozone gas exposure for 120 seconds reduced microbial counts by an average of 55%. However, some microbes survived, presumably due to biological variability or resistance to ozone. Conclusions: Ozone gas has the effect of reducing the number of salivary microbial colonies.Keywords: ozone; antimicrobial; aseptic
THIRD MOLAR MATURITY INDEX IN INDONESIAN JUVENILES: COMPARING LINEAR AND POLYNOMIAL KERNEL PERFORMANCE IN SUPPORT VECTOR REGRESSION FOR DENTAL AGE ESTIMATION Rizky Merdietio Boedi; Rosalina Intan Saputri
MEDIA STATISTIKA Vol 15, No 1 (2022): Media Statistika
Publisher : Department of Statistics, Faculty of Science and Mathematics, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/medstat.15.1.1-11

Abstract

Dental age estimation is a branch of forensic odontology that plays a pivotal role in identifying, examining, or determining the legal status of the living and the dead. This research explores the capability of support vector regression to estimate chronological age from the third molar maturity index (I3M) in Indonesian Juveniles and compares the linear and kernel performance. Two hundred and twenty-two orthopantomo-graphy were measured using I3M in the lower left third molar and processed using R Studio with Caret extension. The analysis was separated into two groups, group 1 using only I3M as a predictor, and group 2 using both I3M and sex. Both groups were analyzed using SVR with the linear and polynomial kernel. The result suggests that using polynomial kernel SVR in group 1 produces the best results, with an R2 value of 0.64, RMSE of 1.588 years, and MAE of 1.25 years using degree = 3, c = 0.25. However, the addition of a sex predictor in the model reduces its accuracy when using the polynomial kernel.
Sex determination using gonial angle during growth spurt period: a direct examination Hariemmy, Monica; Boedi, Rizky Merdietio; Utomo, Haryono; Margaretha, Mieke Sylvia
Indonesian Journal of Dental Medicine Vol. 1 No. 2 (2018): Indonesian Journal of Dental Medicine
Publisher : Faculty of Dental Medicine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (463.569 KB) | DOI: 10.20473/ijdm.v1i2.2018.86-89

Abstract

Background: In forensic medicine and medicolegal, sex determination is an important step of an identification process. Parts of human skeleton that can be used for identification are cranium, pelvis, and mandible. There are several anthropometry tools in sex determination methods i.e shape of mandible, mental, gonial angle. Gonial angle in adults is an excellent tool for sex determination. However, bone density and masticatory force may change the value of gonial angle. Purpose: The objective of this study was to examine sex determination method using gonial angle in children during grow spurt period and external factors. Methods: There were 104 randomly selected subjects (51 boys and 53 girls) aged 7-12 years old. The subjects were grouped into prolonged sun exposure-hard diet (group A) and low sun exposure-soft diet (group B). The measurements were made using goniometer. Results: The mean of gonial angle of female children was greater than the male children. There was no significant difference between group A and B. Conclusion: Gonial angle can be used for sex determination in grow spurt period, and external factors did not affect sexual dimorphism.
Potensi penggunaan asap cair sebagai antiseptik di klinik gigi : studi pustaka Wibisono, Gunawan; Skripsa, Tira Hamdillah; Prabowo, Yoghi Bagus; Boedi, Rizky Merdietio
jitek Vol 10 No 1 (2022): September 2022
Publisher : Poltekkes Kemenkes Jakarta III

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32668/jitek.v10i1.917

Abstract

Aseptic quality is a crucial aspect of successful dental care attainment. Various oral microbes can increase the chance of failure in dental treatment. Multiple efforts have been made to improve the aseptic quality. It is known that the antiseptics used were costly and has numerous side effects. Natural antiseptics such as liquid smoke may be a potential substitute. This research aimed to explore the potential of liquid smoke as an antiseptic in dentistry. A systematic literature search was conducted in the electronic database of PubMed/Medline, ScienceDirect, and Google Scholar using PRISMA guideline. A structured search using the Boolean string “liquid smoke AND antimicrobial AND antibacterial” was performed. Initially, 115 potential articles were discovered. After removal of duplicates and checking the availability of full-text read, eleven studies were included. Liquid smoke with 1.5-50% concentration can eliminate S. mutant, S. sanguis, S. aureus, S. epidermidis, L. acidophilus, L. salivarius, E. faecalis, P. gingivalis and C. albicans. It was also reported that it has a particular effectiveness for the disinfectant and wound healing. Liquid smoke can eliminate both oral bacterial and fungi. Further research should explore the safety aspects of utilizing liquid smoke in dental clinics.
Co-Authors Ermanto, Haliza Gunawan Wibisono Gunawan Wibisono Hariemmy, Monica Haryono Utomo Limijadi, Edward K. S. Mieke Sylvia Prabowo, Yoghi B. Prabowo, Yoghi Bagus Saputri, Rosalina Intan Skripsa, Tira H. Skripsa, Tira Hamdillah Suryanelis Suryanelis