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"ABSTRAK Latar Belakang: Preparasi saluran akar oval memiliki tantangan tersendiri karenabentuknya yang ireguler sehingga file tidak dapat berkontak dengan seluruhdinding. Penelitian ini bertujuan untuk membandingkan luas dinding saluran akaroval yang tidak terpreparasi dengan gerakan sirkumferensial filing. Metode: Tigapuluh dua gigi premolar mandibula diisi tinta cina kemudian dipreparasi menjadidua kelompok: Mtwo® dan ProTaper Next®. Luas sisa tinta cina dianalisisdengan Adobe Photoshop CS6 dan ImageJ. Hasil: Tidak terdapat perbedaanbermakna antara kedua kelompok, namun ProTaper Next® meninggalkan arealebih sedikit dibandingkan Mtwo®. Kesimpulan: Mtwo® dan ProTaper Next®tetap meninggalkan area yang tidak terpreparasi pada saluran akar oval.ABSTRACT Background: Mechanical preparation of oval root canal has its own challengedue to the irregular shape leaving some area uninstrumented. This studycompared uninstrumented area of oval root canal with circumferential filingusing two different files. Methods: Thirty-two mandibular premolars were dyedwith china ink and divided into two groups, Mtwo® and ProTaper Next®. Theuninstrumented areas were analized using Adobe Photoshop CS6 and ImageJ.Results: There were no significant difference between two files, thou ProTaperNext® left less uninstrumented areas than Mtwo®. Conclusion: Mtwo® andProTaper Next® left uninstrumented areas in oval root canal.;Background: Mechanical preparation of oval root canal has its own challengedue to the irregular shape leaving some area uninstrumented. This studycompared uninstrumented area of oval root canal with circumferential filingusing two different files. Methods: Thirty-two mandibular premolars were dyedwith china ink and divided into two groups, Mtwo® and ProTaper Next®. Theuninstrumented areas were analized using Adobe Photoshop CS6 and ImageJ.Results: There were no significant difference between two files, thou ProTaperNext® left less uninstrumented areas than Mtwo®. Conclusion: Mtwo® andProTaper Next® left uninstrumented areas in oval root canal.;Background: Mechanical preparation of oval root canal has its own challengedue to the irregular shape leaving some area uninstrumented. This studycompared uninstrumented area of oval root canal with circumferential filingusing two different files. Methods: Thirty-two mandibular premolars were dyedwith china ink and divided into two groups, Mtwo® and ProTaper Next®. Theuninstrumented areas were analized using Adobe Photoshop CS6 and ImageJ.Results: There were no significant difference between two files, thou ProTaperNext® left less uninstrumented areas than Mtwo®. Conclusion: Mtwo® andProTaper Next® left uninstrumented areas in oval root canal.;Background: Mechanical preparation of oval root canal has its own challengedue to the irregular shape leaving some area uninstrumented. This studycompared uninstrumented area of oval root canal with circumferential filingusing two different files. Methods: Thirty-two mandibular premolars were dyedwith china ink and divided into two groups, Mtwo® and ProTaper Next®. Theuninstrumented areas were analized using Adobe Photoshop CS6 and ImageJ.Results: There were no significant difference between two files, thou ProTaperNext® left less uninstrumented areas than Mtwo®. Conclusion: Mtwo® andProTaper Next® left uninstrumented areas in oval root canal."

"ABSTRAK Latar Belakang: siler polidimetilsiloksan merupakan siler baru yang berpotensi menutup saluran akar lebih baik. Tujuan: membandingkan tingkat kerapatanpengisian di sepertiga apeks antara teknik kon tunggal (KT) dan downpackbackfill(DB) menggunakan siler polidimetilsiloksan. Metode: empat puluh gigipremolar bawah dibagi menjadi dua kelompok KT dan DB. Setelah pengisiansaluran akar, sampel diinkubasi, dilapisi cat kuku, direndam dalam tinta India, laludibuat transparan dengan metode Robertson. Kebocoran di sepertiga apeksdievaluasi dengan mikroskop stereo. Hasil: skor kebocoran terendah (0-0,5 mm)dimiliki oleh kelompok KT dan skor kebocoran tertinggi (>1 mm) dimiliki olehkelompok DB. Kesimpulan: teknik kon tunggal memberikan tingkat kerapatanyang lebih baik dibandingkan downpack-backfill, walaupun secara statistik perbedaan antar keduanya tidak signifikan. ABSTRACT Background: polydimethylsiloxane sealer is a brand new sealer that potentiallyhas a better sealing ability to the root canal. Aim: to compare the apical sealingability in one third apex between single cone (SC) and downpack-backfill (DB)technique using polydimethylsiloxane sealer. Methods: fourty extracted humanmanibular premolars devided into two group, SC and DB. After obturated withpolydimethylsiloxane sealer, samples were stored in incubator, coated with nailvarnish, immersed in India ink, and then specimens were cleared usingRobertson?s technique. The apical dye penetration was evaluated using astereomicroscope. Result: the lowest leakage score (0-0,5 mm) was found in SCgroup and the highest score(>1 mm) in DB group. Summary: single conetechnique exibited better sealing ability rather than downpack-backfill technique, although no statistical significant difference between this two techniques. ;Background: polydimethylsiloxane sealer is a brand new sealer that potentiallyhas a better sealing ability to the root canal. Aim: to compare the apical sealingability in one third apex between single cone (SC) and downpack-backfill (DB)technique using polydimethylsiloxane sealer. Methods: fourty extracted humanmanibular premolars devided into two group, SC and DB. After obturated withpolydimethylsiloxane sealer, samples were stored in incubator, coated with nailvarnish, immersed in India ink, and then specimens were cleared usingRobertson?s technique. The apical dye penetration was evaluated using astereomicroscope. Result: the lowest leakage score (0-0,5 mm) was found in SCgroup and the highest score(>1 mm) in DB group. Summary: single conetechnique exibited better sealing ability rather than downpack-backfill technique, although no statistical significant difference between this two techniques. ;Background: polydimethylsiloxane sealer is a brand new sealer that potentiallyhas a better sealing ability to the root canal. Aim: to compare the apical sealingability in one third apex between single cone (SC) and downpack-backfill (DB)technique using polydimethylsiloxane sealer. Methods: fourty extracted humanmanibular premolars devided into two group, SC and DB. After obturated withpolydimethylsiloxane sealer, samples were stored in incubator, coated with nailvarnish, immersed in India ink, and then specimens were cleared usingRobertson?s technique. The apical dye penetration was evaluated using astereomicroscope. Result: the lowest leakage score (0-0,5 mm) was found in SCgroup and the highest score(>1 mm) in DB group. Summary: single conetechnique exibited better sealing ability rather than downpack-backfill technique, although no statistical significant difference between this two techniques. "

"ABSTRAK Odontocem® dan Biodentine®, berbahan dasar kalsium silikat. Tetapi terdapat kandungan lain yang mungkin memiliki efek pada viabiltas sel. Contohnya penambahan steroid dalam Odontocem®. Belum diketahui apakah penambahan steroid tersebut memiliki efek atau tidak terhadap viabilitas sel. Sel fibroblas yang diambil dari Telur Embrio Tertunas (TET), dipajan dengan Odontocem® dan Biodentine® dengan jumlah masing-masing kelompok sebesar 15 well. Kemudian viabilitas sel diukur selama 24 jam dan 72 jam. Hasil penelitian diuji dengan uji statistik Kruskal Wallis dengan uji post hoc Mann-Whitney. Berdasarkan hasil penelitian, didapatkan bahwa Odontocem® dan Biodentine® memiliki efek menurunkan viabiltas sel fibroblas pada pengukuran 24 jam dan 72 jam. Juga viabilitas sel fibroblas pada kelompok perlakuan Odontocem ® lebih tinggi daripada Biodentine® baik pada pengukuran 24 jam maupun 72 jam. ABSTRACT Odontocem® and Biodentine®, both consist of calcium silicate. But there are other substances which may have an effect on cell viability. For example, addition of steroids in Odontocem®. It is not yet known whether these steroids have an effect or not on the cell viability. Fibroblasts taken from Chicken Embryo, added with Odontocem® and Biodentine® by each group of 15 wells. Then the cell viability was measured for 24 hours and 72 hours. The result were tested by Kruskal Wallis statistical test with post hoc test of Mann-Whitney. Based on this research, it was found that Odontocem® and Biodentine® have a lowering effect on the fibroblast cell viability for 24 hours and 72 hours. Thus, fibroblast cell viability the treatment group Odontocem ® is higher than both the measurement Biodentine® 24 hours or 72 hours.;Odontocem® and Biodentine®, both consist of calcium silicate. But there are other substances which may have an effect on cell viability. For example, addition of steroids in Odontocem®. It is not yet known whether these steroids have an effect or not on the cell viability. Fibroblasts taken from Chicken Embryo, added with Odontocem® and Biodentine® by each group of 15 wells. Then the cell viability was measured for 24 hours and 72 hours. The result were tested by Kruskal Wallis statistical test with post hoc test of Mann-Whitney. Based on this research, it was found that Odontocem® and Biodentine® have a lowering effect on the fibroblast cell viability for 24 hours and 72 hours. Thus, fibroblast cell viability the treatment group Odontocem ® is higher than both the measurement Biodentine® 24 hours or 72 hours."

"ABSTRAK Saat ini non-alcoholic fatty liver disease (NAFLD) merupakan penyebab terbanyak dari penyakit kronik hati pada anak dan dewasa. Penelitian terbaru memperlihatkan chemerin yang merupakan salah satu zat yang diproduksi oleh jaringan lemak memiliki andil penting pada NAFLD. Tujuan penelitian ini adalah membandingkan kadar chemerin dalam darah dibandingkan enzim transaminase dalam mendeteksi secara dini kerusakan sel hati karena non alcoholic fatty liver disease (NAFLD) pada anak dengan obesitas. Penelitian deskriptif potong lintang (n=57) dilakukan pada 2 buah sekolah di Jakarta pada anak usia 9-12 tahun dengan obesitas. Anak yang masuk kriteria penelitian dilakukan pemeriksaan ultrasonografi hati untuk mendeteksi perlemakan hati. Kedua kelompok tersebut sama sama dilakukan pemeriksan kadar enzim transaminase dan chemerin darah. Hasil dari penelitian ini di dapatkan nilai rerata chemerin pada anak yang menderita NAFLD sebesar 96,71 ng/ml sedangkan yang tidak menderita NAFLD sebesar 92,8 ng/ml dengan P= 0,463. Hal ini menunjukkan nilai rerata anak dengan NAFLD dibandingkan dengan anak tanpa NAFLD tidak terdapat perbedaan bermakna. Pada penelitian ini didapatkan pula bahwa pemeriksaan chemerin darah memiliki nilai AUC 0,52 dimana nilainya lebih rendah dibandingkan nilai AUC pemeriksaan SGOT dan SGPT yakni 0,81 dan 0,90. Hasil ini menunjukkan bahwa kadar chemerin darah tidak dapat menjadi prediktor yang lebih baik untuk mendeteksi perlemakan hati dibandingkan pemeriksaan kadar SGOT dan SGPT pada penelitian ini. Manfaat chemerin sebagai prediktor kelainan hati pada anak dengan obesitas perlu diteliti lebih lanjut. ABSTRACT Non-alcoholic fatty liver disease (NAFLD) is currently the most common cause of chronic liver disease in both adults and children. Current studies have shown that chemerin, one of the biologically active substance produced by fat tissue, may have an important role in the progression of NAFLD. The aim of this research was to study whether chemerin is able to predict liver abnormalities due to NAFLD in obese children better than serum transaminases. A cross-sectional descriptive study was conducted in 57 obese subjects 9-12 years of age at 2 elementary schools in Jakarta, Indonesia. Liver ultrasound was performed in eligible subjects to detect fatty liver, along with serum chemerin and serum transaminase tests. Mean chemerin level in NAFLD and non-NAFLD children were 96.71 ng/mL and 92.8 ng/mL (p=0.463), showing no significant difference between serum chemerin level in the NAFLD and non-NAFLD group. The area under the curve (AUC) for serum chemerin was 0.52, lower than the AUC for AST (0.81) and AST (0.90). This shows that serum chemerin is not superior in predicting fatty liver compared to serum transaminase levels in this study. The role of chemerin as a marker to predict liver abnormalities in obese children still needs to be further investigated.;Non-alcoholic fatty liver disease (NAFLD) is currently the most common cause of chronic liver disease in both adults and children. Current studies have shown that chemerin, one of the biologically active substance produced by fat tissue, may have an important role in the progression of NAFLD. The aim of this research was to study whether chemerin is able to predict liver abnormalities due to NAFLD in obese children better than serum transaminases. A cross-sectional descriptive study was conducted in 57 obese subjects 9-12 years of age at 2 elementary schools in Jakarta, Indonesia. Liver ultrasound was performed in eligible subjects to detect fatty liver, along with serum chemerin and serum transaminase tests. Mean chemerin level in NAFLD and non-NAFLD children were 96.71 ng/mL and 92.8 ng/mL (p=0.463), showing no significant difference between serum chemerin level in the NAFLD and non-NAFLD group. The area under the curve (AUC) for serum chemerin was 0.52, lower than the AUC for AST (0.81) and AST (0.90). This shows that serum chemerin is not superior in predicting fatty liver compared to serum transaminase levels in this study. The role of chemerin as a marker to predict liver abnormalities in obese children still needs to be further investigated.;Non-alcoholic fatty liver disease (NAFLD) is currently the most common cause of chronic liver disease in both adults and children. Current studies have shown that chemerin, one of the biologically active substance produced by fat tissue, may have an important role in the progression of NAFLD. The aim of this research was to study whether chemerin is able to predict liver abnormalities due to NAFLD in obese children better than serum transaminases. A cross-sectional descriptive study was conducted in 57 obese subjects 9-12 years of age at 2 elementary schools in Jakarta, Indonesia. Liver ultrasound was performed in eligible subjects to detect fatty liver, along with serum chemerin and serum transaminase tests. Mean chemerin level in NAFLD and non-NAFLD children were 96.71 ng/mL and 92.8 ng/mL (p=0.463), showing no significant difference between serum chemerin level in the NAFLD and non-NAFLD group. The area under the curve (AUC) for serum chemerin was 0.52, lower than the AUC for AST (0.81) and AST (0.90). This shows that serum chemerin is not superior in predicting fatty liver compared to serum transaminase levels in this study. The role of chemerin as a marker to predict liver abnormalities in obese children still needs to be further investigated."

"Injeksi PGE2 pada mukosa bukal bersamaan dengan tekanan ortodonti dapat mempercepat pergerakan gigi. Namun metode ini mempunyai kekurangan yaitu resorpsi tulang alveolar dan akar gigi yang besar serta rasa sakit. Gel digunakan sebagai media penghantar, menggantikan bentuk injeksi. Stabilitas PGE2 dalam gel, efek aplikasi gel PGE2 pada pergerakan gigi, konsentrasi RANKL pada GCF dan serum serta resorpsi tulang alveolar dan resorpsi akar gigi belum pernah diketahui. Penelitian ini eksperimental laboratorium in vitro untuk uji stabilitas gel PGE2 lyophillized dan in vivo pada Macaca fascicularis. Mukosa bukal kaninus kanan dioleskan gel PGE2, sedangkan kaninus kiri dioleskan gel tanpa PGE2, keduanya disertai tekanan ortodonti, pada awal, jam kedua dan keempat, selama dua menit. Pengolesan gel, pengukuran pergerakan gigi, pengambilan darah dan GCF, dilakukan setiap minggu. Macaca dieuthanasia, dinekropsi lalu dibuat sediaan histologi dan dievaluasi dengan TRAP. Gel PGE2 lyophillized tidak stabil, sehingga dibuat resenter paratus. Gel PGE2 dapat mempercepat pergerakan gigi 1,8 kali, RANKL dan resorpsi tulang alveolar lebih besar dari kontrol, serta resorpsi akar sama dengan kontrol. Gel PGE2 mempunyai prospek sebagai medikasi topikal untuk mempercepat pergerakan gigi ortodontik.

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The injection of PGE2 on buccal mucosa along with orthodontic force could accelerate orthodontic tooth movement. Nevertheless, this method also has adverse effects such as pain, over resorption of the alveolar bone and root structure. PGE2 gel to substitute the necessity of injection. Hence, the effect of PGE2 gel on the rate of tooth movement and RANKL concentration in GCF and blood serum also alveolar bone and root resorption is yet to be determined.

This study was an experimental laboratory in vitro to know the stability of PGE2 gel lyophillized and in vivo in Macaca fascicularis. PGE2 gel was applied on buccal mucosa of right canine along with orthodontic force and non- PGE2 gel on left canine on beginning, second, and fourth hour each for two minutes. Gel application, tooth movement measurement, blood sample, and GCF were done every week. Macaca euthanized, and made histology ​​ and evaluated by TRAP. PGE2 gel was made resenter paratus due to instability.

Results showed that PGE2 gel enhanced tooth movement 1.8 times, RANKL and alveolar bone resorption were greater than control and root resorption was similar to control. PGE2 gel had a good prospect as topical medication to enhance tooth movement in orthodontics."

"Penelitian ini dilaksanakan dengan tujuan mendapatkan ukuran rata-rata rahang kelompok Deutero Melayu pada mahasiswa Kedokteran Gigi Universitas Indonesia. Cetakan rahang mahasiswa diambil dan dibuat model rahang. Kemudian dilakukan pengukuran pada model tersebut dalam milimeter. Yang diukur adalah : panjang rahang dan lebar rahang, serta panjang lengkung gigi. Kemudian dicari ukuran rataratanya. Selain dari itu, dibedakan Pula bentuk rahang yang persegi dan yang oval. Dari gambaran bentuk lengkung rahang yang didapat,ternyata bentuk lengkung rahang yang oval, persegi, dan rata-rata ( gabungan oval dan persegi ), tidak menunjukkan banyak perbedaan, bila dikaitkan dengan ukuran sendok cetak yang sesuai. Hasil penelitian didapatkan ukuran rata-rata rahang,yang terdiri dari panjang rahang, lebar rahang, dan panjang lengkung rahang."

"Latar Belakang: Penggunaan bahan semen (siler) saluran akar dengan kandungan dan karakteristik berbeda diduga dapat memengaruhi retensi pasak fiber terhadap dinding saluran akar pasca perawatan endodontik. Tujuan : Mengetahui perbedaan kekuatan adhesi pasak fiber pada perawatan saluran akar yang menggunakan siler berbasis resin epoksi dan kalsium silikat. Metode: 30 gigi premolar bawah akar tunggal didekoronasi, dilakukan preparasi saluran akar, lalu dibagi menjadi 3 kelompok; Kelompok 1 (kontrol): gigi tanpa pengisian saluran akar, Kelompok 2: gigi yang menggunakan siler resin epoksi (AH-Plus), dan Kelompok 3: gigi yang menggunakan siler berbasis kalsium silikat (Ceraseal). Setelah pengisian saluran akar, preparasi, dan pemasangan pasak fiber. Selanjutnya gigi dipotong pada area sepertiga tengah akar setebal 2 mm kemudian dilakukan uji push-out bond strength menggunakan Universal Testing Machine. Data dianalisis dengan tes One-way Anova dan post hoc Bonferroni. Hasil: Terdapat perbedaan bermakna nilai push-out bond strength antar kelompok semen resin resin epoksi dan kalsium silikat. Kesimpulan: Gigi yang melalui perawatan saluran akar menggunakan siler resin epoksi memberikan kekuatan adhesi pasak fiber yang lebih baik dibandingkan gigi yang menggunakan siler kalsium silikat.

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Background: The use of root canal sealers with different composition and characteristics is thought to effect the retention of fiber post in root canal walls after endodontic treatment. Objective: To evaluate the difference of the fiber post adhesion strength after endodontic treatment using epoxy resin and calcium silicate based root canal sealer. Methods: 30 samples of single-rooted lower premolar were decoronated, got the root canal prepared, then divided into 3 groups; Group 1 (the controls): samples without root canal filling, Group 2 and 3, the canals were filled with gutta percha using epoxy resin (AH-Plus), and calcium silicate (Ceraseal)-based root canal sealer. After root canal obturation, the gutta percha were partly removed, prepared for post space, and then cemented with the fiber posts. Then 2 mm thick disk were cut from the middle root section and subjected to a push-out bond strength test. Data were analysed using the one-way ANOVA and post hoc Bonferroni test. Result: There was a significant difference in the push-out bond strength value between the epoxy resin and calcium silicate-based root canal sealer groups. Conclusion: The endodontic treated tooth previously using epoxy resin root canal sealer gave better fiber post adhesion strength compared to tooth that used calcium silicate based root canal sealer."

"Instrumentasi saluran akar masih meninggalkan area tidak terpreparasi. Insrumen osilasi diklaim dapat membersihkan dinding saluran akar secara optimal.Tujuan: Membandingkan luas dinding sepertiga apeks saluran akar yang tidak terpreparasi antara instrumen osilasi Reciproc® dan WaveOne®.Metode: Tiga puluh dua saluran akar premolar mandibula diisi tinta cina kemudian dibagi menjadi dua kelompok berjumlah sama (n=16): Reciproc® dan WaveOne®. Luas dinding yang tertutup tinta cina dianalisis dengan Adobe Photoshop CS5.Hasil: Kelompok II mempreparasi lebih banyak dinding tetapi tidak berbeda bermakna dengan kelompok I (p=0,265).Kesimpulan: Reciproc® dan WaveOne® tetap meninggalkan area tidak terpreparasi di sepertiga apeks saluran akar.

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Thirty five percents area of root canal wall was left uninstrumented after instrumentation. Oscillation instrument was claimed able to clean whole area of root canal walls.Objective: to compare uninstrumented area of root canal at the apical third after instrumented by oscillation instrument.Methods: Thirty two human mandibular premolar root canals were dyed with china ink and were divided equally into Reciproc® and WaveOne® group. The area was analyzed using Adobe Photoshop CS5.Results: WaveOne® showed a better result than Reciproc®, but not statistically significant (p=0,265).Conclusion: The Reciproc® and WaveOne® showed no difference in cleaning the root canal."

"Latar Belakang: Untuk menilai status kesehatan gigi dan mulut, selama puluhan tahun para ahli studi epidemiologi kesehatan komunitas menggunakan indeks Decayed, Missing, and Filled Teeth (DMF-T). Berdasarkan data Riset Kesehatan Dasar pada tahun 2018, rerata skor indeks DMF-T penduduk Indonesia sebesar 7,1 yang tergolong tinggi. Kehilangan gigi merupakan kondisi oral ireversibel yang dideskripsikan sebagai indikator final mengenai keparahan kondisi kesehatan gigi dan mulut. Kehilangan gigi menyebabkan kerusakan fungsional, estetika, dan sosial-psikologis serta berdampak sangat besar terhadap kualitas hidup individu. Kehilangan gigi dapat disebabkan oleh berbagai faktor. Maka dari itu, diperlukan data mengenai pengaruh berbagai faktor risiko terhadap kehilangan gigi pada berbagai kelompok usia.Tujuan: Memperoleh data hubungan faktor risiko dan rerata jumlah kehilangan gigi pada subjek usia 31-75 tahun dari radiograf panoramik digital. Metode: Penelitian ini menggunakan data sekunder berupa 375 sampel radiograf panoramik digital subjek usia 31-75 tahun di Rumah Sakit Khusus Gigi dan Mulut Fakultas Kedokteran Gigi Universitas Indoneisa (RSKGM FKGUI). Subjek dibagi menjadi 3. kategori: 31-45 tahun, 46-60 tahun, dan 61-75 tahun. Untuk mendapatkan jumlah kehilangan gigi dan data mengenai faktor risiko umur, jenis kelamin, karies/jumlah restorasi/lesi periapikal, dan kehilangan tulang/penyakit periodontal, dilakukan interpretasi radiograf panoramik digital. Kemudian dilakukan uji reliabilitas intraobserver dan interobserver dengan t-test dan Bland Altman. Hasil: Median, nilai minimum, dan nilai maksimum jumlah kehilangan gigi pada kelompok usia 31-45 tahun sejumlah 1 (0-5) gigi, usia 46-60 tahun sejumlah 5 (0-19) gigi, dan usia 61-75 tahun sejumlah 10 (2-28) gigi. Jumlah kehilangan gigi antar kelompok usia berbeda bermakna (p<0.05 berdasarkan uji Kruskal Wallis). Jumlah kehilangan gigi bertambah seiring penuaan usia. Analisis korelasi faktor-faktor risiko terhadap kehilangan gigi menunjukkan bahwa usia dan status periodontal berhubungan sangat kuat dengan kehilangan gigi, jumlah karies gigi dan lesi periapikal memiliki hubungan sedang dengan kehilangan gigi, dan jenis kelamin dan jumlah restorasi gigi memiliki hubungan lemah dengan kehilangan gigi. Kesimpulan: Jumlah kehilangan gigi pada usia 31-45 tahun berbeda bermakna dibandingkan pada usia 46-60 dan 61-75 tahun. Kehilangan gigi cenderung bertambah seiring penuaan usia. Faktor risiko yang hubungannya sangat kuat dengan kehilangan gigi adalah usia dan kehilangan tulang.

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Background: To assess community oral health status, for several decades, epidemiologists have always used Decayed, Missing, and Filled Teeth (DMF-T) index. Based on the 2018 Basic Health Research, the mean of DMF-T index of Indonesia’s population was 7.1, which was considered high. Tooth loss is an irreversible oral condition that is often described as the final indicator of oral health status that causes functional, aesthetics, and social-psychological damage that greatly affects life quality. Tooth loss is a multi-factorial phenomenon. Thus, a concrete data is needed to assess the impact of risk factors on tooth loss in several age categories.

Objective: To obtain the data of tooth loss risk factors and the mean of missing teeth in 31-75-year-old subjects from digital panoramic radiograph.

Methods: This study was completed using secondary data of 375 digital panoramic radiographs in Universitas Indonesia Dental Hospital (RSKGM FKGUI). The subjects were devided into 3 categories: 31-45 years old, 46-60 years old, and 61-75 years old. In order to obtain the data of tooth loss and its risk factors: age, gender, caries/restoration/periapical disease, and periodontitis, the digital panoramic radiographs were interpreted. Then, the reliability test for both intraobserver and interobserver were conducted using t-test and Bland Altman test.

Results: The median, minimum, and maximum of tooth loss in the 31-45 years old group is 1 (0-5) teeth, 46-60 years old group is 5 (0-19) teeth, and 61-75 years old group is 10 (2-28) teeth. The number of tooth loss in all age groups are statistically different (p<0.05 in Kruskal Wallis test). The number of tooth loss increases as aging continues. Correlation analysis of the tooth loss risk factors showed that age and periodontitis have a very strong correlation with tooth loss, the number of tooth caries and periapical disease have a moderate correlation with tooth loss, and gender and restoration have a weak correlation with tooth loss.

Conclusion: The number tooth loss occurred in 31-45 years old group subject is significantly different compared to the number of tooth loss in 46-60 and 61-75 years old group. Tooth loss is strongly correlated with age and bone loss."

"Indonesian Journal of Dentistry 2006; Special Edition KPPIKG XIV: 368-373Tooth bleaching has become a popular treatment for esthetic improvement in dentistry. There are several 10% carbamide peroxide bleaching agents that are available in Indonesia which contained potasium nitrate-flouride or without potasium nitrate-flouride. However, there was no clinical report about these products in Indonesia. This study was conducted to compare the effectiveness of two bleaching and sensitivity of tooth and gingiva. Sixty-four participants were divided into 2 groups. The first group was treated with bleaching agent that contained potasium nitrate-flouride (Opalescence PF, Ultradent) and the second group with bleaching agent without potasium nitrate-flouride (Vivastyle, Ivoclar Vivadent). Bleaching treatment was done for 6-8 hours per night over a 2 week-period. Evaluations were performed at baseline and at 3, 7, 14 day afterwards. Color change was measured using a value-ordered Vita classic shade guide; tooth and gingival sensivity were examined using Electric Pulp Tester, Gingival Index and a patient log. The results showed that there were no statistical difference in degree of color change between the two products. The mean color change after 2 weeks was 7-8 tabs lighter than baseline. Also there was no statistical difference in tooth and gingival sensitivity between the products. It can be concluded that 10% carbamide peroxide containing potasium nitrate-flouride has the same effectiveness compared to other agent without potasium nitrate-flouride for tooth color change and tooth and gingival sensitivity."