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"Latar Belakang : Penyebab kegagalan perawatan saluran akar adalah kebocoran apeks yang ditentukan oleh teknik pengisian saluran akar. Tujuan : Untuk menganalisis kebocoran sepertiga apeks pada pengisian saluran akar menggunakan GuttaCore™. Metode : Dua puluh delapan gigi premolar bawah yang telah dilakukan pengisian saluran akar, diinkubasi (37°C, 24 jam), kemudian direndam dalam tinta india selama 7X24 jam. Sampel didekalsifikasi sampai transparan. Kedalaman penetrasi tinta dievaluasi dengan mikroskop stereo. Hasil : Seluruh pengisian dengan GuttaCore™ terlihat adanya penetrasi tinta sedalam 0-0.5 mm. Kesimpulan : Hasil pengisian saluran akar dengan teknik GuttaCore™ dapat menurunkan tingkat kebocoran di sepertiga apeks.

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Background : The cause of endodontic treatment failure is apical leakage determined by root obturation technique. Aim:To analyze leakage in apical third with GuttaCore™ obturation. Method : Twenty eight lower premolars were obturated and incubated (37*C, 24 hours) then immersed in indian ink for 7x24 hours. Samples were decalcified until transparent. Depth of ink penetration was evaluated using stereo microscope. Result: All obturation using GuttaCore™ technique resulted in 0-0.5 mm ink penetration Conclusion : Root obturation with GuttaCore technique is able to decrease leakage in apical third"

"Latar Belakang: Osteoporosis merupakan penyakit yang ditandai oleh penurunan massa tulang, sehingga menyebabkan perubahan mikroarsitektur tulang. Osteokalsin adalah protein penanda adanya pembentukan dan resorpsi tulang. Tujuan: Menganalisis hubungan antara kadar osteokalsin dengan status periodontal pada perempuan berisiko osteoporosis. Metode: Studi potong lintang pada 70 perempuan pascamenopause. Dilakukan pemeriksaan status periodontal dan kadar osteokalsin dalam serum menggunakan metode ELISA. Hasil: Tidak terdapat perbedaan kadar osteokalsin antara subjek osteoporosis, osteopenia, dan normal. Terdapat hubungan antara kadar osteokalsin terhadap kehilangan perlekatan klinis pada subjek osteoporosis. Kesimpulan: Ada hubungan antara kadar osteokalsin dengan status periodontal pada subjek osteoporosis.

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Background: Osteoporosis is defined as a bone disease characterised by a decrease in bone mass results in bone microarchitecture alteration. Osteocalcin is a valid biomarker for bone turnover and resorption. Aim: To analyze relationship between serum osteocalcin levels and periodontal status in osteoporotic risk women. Methods: A cross-sectional study was conducted on 70 postmenopausal women. Periodontal examination and serum osteocalcin levels was measured using ELISA method. Result: There is no difference of serum osteocalcin levels on osteoporotic, osteopenia, and normal subjects. Relationship between serum osteocalcin and clinical attachment loss was found on osteoporotic subjects. Conclusion: Relationship between serum osteocalcin levels and periodontal status was found on osteoporotic subjects."

"ABSTRAKLatar Belakang: Pada teknik radiografi digitized, image enhancement dilakukanuntuk memperbaiki kualitas gambar dengan mengoptimalkan brightness dancontrast. Tujuan: Mengetahui rentang nilai yang dapat ditoleransi padapengaturan brightness dan contrast pada abses apikalis kronis dan granulomaapikalis. Metode: Dilakukan pengaturan image enhancement dengan mengubahnilai brightness dan contrast pada 60 radiograf dengan diagnosis abses apikaliskronis dan granuloma apikalis. Hasil: Rentang nilai yang dapat ditoleransi padapengaturan brightness dan contrast dalam interpretasi abses apikalis kronis dangranuloma apikalis berkisar dari -10 hingga +10. Kesimpulan: Pengaturanbrightness dan contrast radiograf tidak mempengaruhi interpretasi radiografikapabila pengaturan dilakukan dalam rentang nilai toleransinya.

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ABSTRACTBackground: In digitized radiography techniques, adjusment of imageenhancement can be done to improve image quality by optimizing brightness andcontrast. Objective: To determine the value range of brightness and contrastadjustment on chronic apical abscess and apical granuloma interpretation.Methods: 60 radiographs diagnosed chronic apical abscess apical granulomawere adjusted by changing brightness and contrast values. Results: The valuerange of brightness and contrast adjustments on radiographic interpretation ofchronic apical abscess and apical granuloma ranging from -10 to +10.Conclusion: Brightness and contrast adjustments on digital radiograph do notaffect radiographic interpretation if conducted within the value range."

"ABSTRAKLatar belakang: Salah satu sifat ideal suatu siler saluran akar adalah memiliki kemampuan penutupan yang baik terutama pada sepertiga apeks. Tujuan: Untuk mengevaluasi perbandingan kebocoran antara pengisian saluran akar dengan siler polidimetilsiloksan SP dan siler bioceramic SB . Metode: Tiga puluh enam gigi premolar rahang bawah, dibagi dua kelompok dan diisi dengan teknik kon tunggal menggunakan siler polidimetilsiloksan pada kelompok pertama, dan siler bioceramic pada kelompok ke-dua. Selanjutnya gigi diinkubasi 37?C, selama 24 jam , kemudian dilapisi dengan dua lapis cat kuku kecuali pada 2 mm dari apeks, dan direndam dalam tinta india 7 X 24 jam . Sampel didekalsifikasi, didehidrasi dan dibuat transparan sesuai dengan metode Robertson. Kedalaman penetrasi zat tinta dievaluasi dengan mikroskop stereo. Skor 0 untuk tidak bocor, skor 1 untuk penetrasi zat tinta le; 0,5 mm, skor 2 untuk penetrasi 0,51 ndash; 1 mm, dan skor 3 untuk penetrasi > 1 mm. Hasil: Distribusi proporsi kebocoran terbesar pada kelompok SP terdapat pada skor 2 44.4 , sedangkan pada kelompok SB terdapat pada skor 1 55.6 . Kesimpulan: Tingkat kebocoran pengisian saluran akar dengan siler bioceramic tidak berbeda dengan siler polidimetilsiloksan.

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ABSTRACTBackground One of the ideal properties of a root canal sealer is to have a good sealing ability, especially at the apical third of the root. Objective To evaluate the comparison of the apical leakage between obturation using bioceramic sealer SB and polydimethylsiloxane sealer SP . Methods Thirty six mandibular premolars were equally divided into two groups and was obturated with single cone technique. The sealer used for Group I and Group II were SP and SB respectively. After obturation, the samples were incubated 37 C, 24 h , sealed with two coats of nail polish except for 2 mm from the apex, immersed in the Indian ink for 7 days, decalcified, dehydrated and made transparent according to Robertson technique. Dye penetration were evaluated under stereomicroscope. Samples with no dye penetration were given score 0, le 0,5 mm dye penetration were given score 1, 0,051 ndash 1 mm were given score 2, and 1 mm were given score 3. Result The largest proportion distribution in SP group was at the score 2 44.4 , and in group SB was at the score 1 55.6 . Conclusion Bioceramic sealer showed similar apical leakage to polydimethylsiloxane sealer."

"Latar Belakang: Penggunaan larutan irigasi dapat berkontribusi terhadap keberhasilan perawatan saluran akar, EBA mulai dikembangkan sebagai larutan irigasi Tujuan: menganalisis tingkat kebocoran pengisian saluran akar pada sepertiga apeks dengan siler berbasis resin. Metode: 66 gigi premolar bawah manusia, dibagi secara acak kedalam 3 kelompok: EBA 2,9%, NaOCl 2,625%, aquades. Dilakukan pengisian, diinkubasi sebelum dilapisi cat kuku, serta direndam kedalam tinta india. Dekalsifikasi dan transparansi dengan metode Robertson. Penetrasi tinta diukur dengan skala Panthamvonich. Hasil: Terdapat perbedaan bermakna tingkat kebocoran EBA 2,9% dibandingkan antar kelompok. Kesimpulan: Larutan EBA 2,9% mampu menurunkan tingkat kebocoran sepertiga apeks pengisian saluran akar

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Background: Irrigation can contribute to the succes of root canal treatment, Grape seed extract developed as irrigation solution. Purpose: analyze apical third leakage of root canal filling. Methods: 66 mandibular human premolars, randomly divided into 3 groups, EBA 2.9%, NaOCl 2.625%, aquadest. Each group obturated using guttap and siler-based resin (37 0C for 24 hours). coated all of samples with nail polish, immersed into indian ink. Decalcified and transparency with Robertson’s method. Evaluated and measured with Panthamvonich’s scale. Results: There are significant differences grape seed extract leakage rate compared between groups. Conclusion: Grape seed extract solution 2.9% is able to reduce of apical third leakage of root canal filling"

"ABSTRAKLatar Belakang: Konstriksi apikal adalah bagian sistem saluran akar dengan diameter terkecil dan merupakan titik acuan yang paling sering digunakan dokter gigi sebagai penghentian apikal untuk pembersihan, pembentukan, dan pengisian saluran akar untuk perawatan endodontik. Tujuan: Mengetahui variasi ukuran, lokasi, dan bentuk konstriksi apikal pada gigi premolar 1 mandibula dan gigi premolar 2 maksila. Metode: Penelitian ini menggunakan 66 sampel gigi yang telah diekstraksi dengan akar telah terbentuk sempurna tanpa tanda-tanda resorpsi eksternal. Sampel dipindai menggunakan micro-CT Bruker SkyScan 1173 dengan resolusi 50 m. Gigi dibuat menjadi transparan untuk menampilkan morfologi sistem saluran akar secara tiga dimensi. Analisis ukuran, lokasi, dan bentuk konstriksi apikal dilakukan menggunakan perangkat lunak Fiji ImageJ, CT Vox, CT An, dan CT Vol. Data dianalisis menggunakan uji T satu sampel. Hasil: Rerata jarak antara konstriksi apikal dan foramen apikal pada gigi premolar 1 mandibula adalah 0,619 mm dan pada gigi premolar 2 maksila adalah 0,647 mm dengan lokasi konstriksi apikal terbanyak yaitu lebih ke apikal. Bentuk konstriksi apikal terbanyak pada gigi premolar 1 mandibula dan gigi premolar 2 maksila adalah konstriksi apikal konvergen dan konstriksi apikal bercabang dua. Kesimpulan: Variasi ukuran, lokasi, dan bentuk konstriksi apikal harus menjadi pertimbangan dokter gigi dalam melakukan perawatan endodontik.

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ABSTRACTBackground Apical constriction is the smallest diameter of root canal system and also the most commonly used reference point by clinicians as the apical termination for cleaning, shaping, and obturation for root canal treatment. Objective This study aim to know the variation of size, location, and shape of apical constriction in mandibular first premolar and maxillary second premolar. Methods Total 66 samples of extracted premolar teeth with perfectly formed root and without sign of external resorption were collected. Each tooth was scanned using a Bruker Skyscan 1173 micro CT at a resolution of 50 m. The teeth were made transparent in order to reveal the root canal system morphology in three dimensions. The size, location, and shape of apical constriction was analyzed using Fiji ImageJ, CT Vox, CT An, and CT Vol software. Data were analyzed statistically by One sample T test. Result The average distance between apical constriction and apical foramen in mandibular first premolar is 0,619 mm and in maxillary second premolar is 0,647 mm with the most location of apical constriction inclining to apically. Most of apical constrictions shape in mandibular first premolar and maxillary second premolar is convergent apical constriction and branched apical constriction. Conclusion The variation of size, location, and shape of apical constriction should be considered by dentist in performing endodontic treatment."

"The use of instruments, such as files and reamers, to open the orifice and cleaning-shaping procedure, in a curved canal in excess of 20-degree angle without precurving instrument and irrigation may form a ledge in the canal. Treatment failure may result due to an inadequate cleaning at the apical third of the canal. This failure may be prevented by eliminating the ledge-correction of the curved canals. The purpose of this case is to highlight the importance of careful use of endodontic instruments to avoid ledging. Therefore knowledge of tooth morphology and the use of files in curved canals is an important factor."

"Latar Belakang: Kerapatan pengisian saluran akar merupakan hal yang penting bagi kesuksesan perawatan saluran akar. Pengambilan gutaperca dan preparasi pasak pada restorasi gigi pasca PSA dapat mengganggu kerapatan bahan pengisi yang tersisa. Siler saluran akar sebaiknya dapat mempertahankan kerapatan bahan pengisi setelah dilakukan pembuangan gutaperca dan preparasi pasak. Siler epoksi telah digunakan secara luas karena memiliki sifat adhesif dan kerapatan yang baik dengan dinding saluran akar. Baru-baru ini siler MTA juga telah dikembangkan dan dikatakan memiliki sifat adhesif dan kerapatan yang baik. Tujuan: Tujuan penelitian ini adalah untuk menganalisis kerapatan sepertiga apeks pengisian saluran akar dengan siler epoksi dan siler MTA setelah dilakukan preparasi pasak. Metode: Preparasi saluran akar dilakukan pada empat puluh gigi manusia dengan saluran akar tunggal dan dibagi menjadi dua kelompok secara acak, yaitu kelompok siler epoksi (SE) dan siler MTA (SM). Preparasi saluran akar dilakukan dengan ProTaper rotary, dan irigasi NaOCl 2,5% dan EDTA cair 17%. Preparasi pasak dengan peeso reamer dilakukan 7 hari pasca pengisian dengan menyisakan bahan pengisi sepanjang 5 mm di bagian apeks. Kerapatan sisa bahan pengisi diukur dengan menghitung penetrasi tinta pada sampel yang telah ditransparansi. Pengamatan dilakukan dengan mikroskop stereo perbesaran 20 kali. Skor 1 untuk penetrasi tinta 0-0,5 mm, skor 2 untuk penetrasi tinta 0,51-1mm, dan skor 3 untuk penetrasi tinta >1 mm. Hasil: Data penetrasi tinta pada kelompok SE: skor 1 sebanyak 35%, skor 2 sebanyak 30%, dan skor 3 sebanyak 35%. Sedangkan pada kelompok SM skor 1 sebanyak 25%, skor 2 sebanyak 30%, dan skor 3 sebanyak 45%. Uji Chi-Square menunjukkan terdapat perbedaan kerapatan yang tidak bermakna antara kelompok SE dan SM. Kesimpulan: Pengisian sepertiga apeks pasca preparasi pasak pada kelompok siler epoksi lebih rapat dibandingkan kelompok siler MTA, namun keduanya tidak berbeda bermakna.

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Background: Root canal obturation sealing ability is an important part of endodontic success. Restoration of endodontically treated teeth may sometimes need post and core. Post preparation procedure requires partial removal of the root canal filling to prepare adequate space for the post and retention of the intra canal post. Root canal sealer should be able to maintain obturation seal. Epoxy sealer has been widely used because its adhesive properties and sealing ability. Recently MTA sealer has also been developed and according to the manufacturer, MTA sealer also has adhesive properties and good sealing ability.

Aim: The aim of this study was to analyze the sealing ability of apical third of the root canal a with epoxy sealer and MTA sealer after post preparation.

Methods: Root canal preparation was performed on forty human teeth with a crown down technique; irrigation with 2,5% NaOCl and 17% EDTA, and lubrication with RC-Prep were used. The canals were then filled with gutta-percha and root canal sealer utilizing a cold lateral condensation technique. MTA Fillapex or AH-Plus were used in the experimental groups. The teeth were cleared with Robertson technique and examined under a stereomicroscope. Post preparation was performed with peeso reamer 7 days after obturation. Residual seal was measured by counting dye leakage. Observations were made with a stereo microscope magnification of 20 times. Score 1 for ink penetration 0-0.5 mm, a score of 2 to 0.51 - 1mm dye leakage, and a score of 3 for dye leakage > 1 mm.

Results: Dye leakage on the SE group: score1 : 35 %, score 2: 30 %, and score 3: 35 %. While the SM group: score 1: 25 %, score 2: 30 %, and score 3: 45 %. Chi-Square test showed no significant differences in density between the SE and SM group.

Conclusion: Dye leakage demonstrated that SE group show less leakage than SM group. Chi-Square test show there is no significant difference between both group."

"Latar Belakang: Siler yang baik adalah yang memiliki tingkat kebocoran mikro yang rendah Penelitian ini bertujuan untuk menganalisis siler golongan resin SRE dan polidimetilsiloksan generasi baru SPGB Metode: Tiga puluh dua gigi premolar bawah dibagi dua kelompok sama besar yaitu kelompok SRE dan SPGB Setelah pengisian saluran akar dengan teknik kondensasi lateral sampel diinkubasi 370C 24 jam mahkota dipotong menyisakan bagian akar 15 mm dilapis cat kuku kecuali 1 mm dari apeks lalu direndam dalam tinta India selama 7 X 24 jam Lalu sampel didekalsifikasi dengan asam nitrat 5 didehidrasi berturut turut dengan alkohol 80 90 dan 100 dan dibuat transparan dengan metil salisilat 100 Kedalaman penetrasi tinta dievaluasi dengan mikroskop stereo Skor 1 untuk penetrasi tinta 0 0 5 mm skor 2 untuk penetrasi tinta 0 51 1 mm dan skor 3 untuk penetrasi tinta 1 mm Hasil: Distribusi proporsi kebocoran terbesar kelompok SRE terdapat pada skor 2 yaitu sebesar 56 3 Sedangkan distribusi proporsi kebocoran terbesar kelompok SPGB terdapat pada skor 1 yaitu sebesar 68 8 Dengan tes Kolmogorov Smirnov terdapat perbedaan bermakna antara kelompok SRE dan SPGB Kesimpulan: Kebocoran mikro pengisiansaluran akar pada sepertiga apeks dengan siler polidimetilsiloksan generasi baru lebih rendah dibandingkan dengan siler resin epoksi

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Background: An ideal root canal sealer should have good sealing ability The purpose of this study was to analyze the microleakage of obturation using epoxy resin based SRE and new generation polydimethylsiloxane based SPGB as root canal sealer

Methods: Thirty two mandibular first premolars were equally divided into two groups and obturated with lateral condensation technique The sealer used for Group I and Group II were SRE and SPGB respectively After obturation the specimens were incubated 370C 24 h decoronated sealed with nail polish except 1mm from apex immersed in Indian ink for 7 days decalcified with 5 nitric acid solution dehydrated with 80 90 and 100 alcohol consecutively and made transparent by immersing them in 100 methyl salicylate Dye penetration were evaluated under stereomicroscope and givenscore 1 3 Specimen with 0 0 5 mm dye penetration was given score 1 while 0 51 1 mm penetration was given score 2 and 1 mm was given score 3 The results were statistically analyzed with Kolmogorov Smirnov test

Results: The largest proportion distribution in SR group was score 2 56 3 whilst the largest proportion distribution in SPGB group was score 1 68 8 There was a significant difference between the microleakage of epoxy resin based and new generation polydimethylsiloxane based sealer observed from the one third apical leakage

Conclusion: The microleakage of new generation polydimethylsiloxanebasedsealer is lower than epoxy resin based sealer"

"Latar Belakang: Kebocoran mikro dipengaruhi oleh jenis semen saluran akar. Tujuan: menganalisis tingkat kebocoran mikro pengisian saluran akar menggunakan semen resin epoksi (SRE) dan Mineral Trioxide Aggregate (SMTA). Metode: Tiga puluh dua gigi premolar bawah, dibagi dua kelompok sama besar, yaitu kelompok SRE dan SMTA. Setelah pengisian saluran akar, sampel diinkubasi (370C, 24 jam), kemudian direndam dalam tinta India selama 7 X 24 jam. Sampel didekalsifikasi sampai dengan transparan. Kedalaman penetrasi tinta dievaluasi dengan mikroskop stereo. Skor 1 untuk penetrasi tinta 0-0,5 mm, skor 2 untuk penetrasi tinta 0,51-1 mm, dan skor 3 untuk penetrasi tinta >1 mm. Hasil: Distribusi proporsi kebocoran terbesar kelompok SRE terdapat pada skor 1, yaitu sebesar 37,5%. Sedangkan distribusi proporsi kebocoran terbesar kelompok SMTA terdapat pada skor 1, yaitu sebesar 21,9%. Tidak terdapat perbedaan bermakna antara kelompok SRE dan SMTA. Kesimpulan: Semen resin epoksi dan semen MTA memiliki tingkat kebocoran yang sama.

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Background: The microleakage affected by type of root canal sealer.

Purpose: to analyze the microleakage of obturation using epoxy resin-based (SRE) and mineral trioxide aggregate-based (SMTA) as root canal sealer.

Methods: Thirty two mandibular first premolars were equally divided into two groups. They were SRE group and SMTA group. After obturation, the specimens were incubated (370C, 24 h), immersed in Indian ink for 7 days, decalcified, dehydrated, and made transparent. Dye penetration were evaluated under stereomicroscope and given score 1-3. Specimen with 0-0,5 mm dye penetration was given score 1, while 0,51-1 mm penetration was given score 2, and > 1 mm was given score 3. The results were statistically analyzed with Kolmogorov Smirnov test.

Results: The largest proportion distribution in SMTA group was score 1 (37,5%), whilst the largest proportion distribution in SMTA group was score 1 (21,9%). There was no significant difference between the microleakage of epoxy resin-based and mineral trioxide aggregate-based sealer, observed from the one-third apical leakage.

Conclusion: The microleakage of mineral trioxide aggregate based sealer and epoxy resin-based sealer was relatively similar."