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Dental Journal (Majalah Kedokteran Gigi)

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Published by Universitas Airlangga

ISSN : 19783728 EISSN : 24429740 DOI : -

Core Subject : Health,

Dentistry

The Dental Journal (Majalah Kedokteran Gigi) (e-ISSN:2442-9740; p-ISSN:1978-3728) is published by the Faculty of Dental Medicine, Universitas Airlangga. Its diciplinary focus is dental science and dental hygiene. The Dental Journal (Majalah Kedokteran Gigi) is published in English on a quarterly basis with each 50-60 page edition containing between nine and eleven scientific articles on research, study literature and case studies. Contributors to the Dental Journal (Majalah Kedokteran Gigi) included: dental researchers, dental practitioners, lecturers, and students drawn from Indonesia and a wide range of other countries.

Arjuna Subject : -

Articles 950 Documents

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Penetration effect of prostaglandin E2 gel on oral mucosa of rats Rafinus Arifin; Retno Widayati; Erni H Purwaningsih; Dewi Fatma S
Dental Journal (Majalah Kedokteran Gigi) Vol. 45 No. 3 (2012): September 2012
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Several researches reported that Prostaglandin E2 (PGE2) injection on buccal mucosa combined with orthodontic pressure can faster tooth movement but has disadvantages such as high alveolar bone and root resorption furthermore pain from injection needle. PGE2 gel was made to better replace the lacks of injectable PGE2. Purpose: This research was aimed to prove that PGE 2 gel can penetrate rat’s oral mucosa effecting the appearance of PMN cells. Methods: This research was an in vivo laboratory experiment using 36 Sprague Dawley rats which were divided into 3 groups: normal group, topical PGE2 gel group after 1, 2, 4, 8 hours (4 subgroups), and topical gel without PGE2 group after 1, 2, 4, 8 hours (4 subgroups). Each group consists of 4 rats, therefore the total sample for all research groups were 36 rats. Gel with 25 µg/mL of PGE2 and gel without PGE2 were applied on oral mucosa for 2 minutes. Then, the rats were sacrificed after 1 hour, 2 hours, 4 hours, and 8 hours application. After that, the samples were prepared for histological examination with Hematoxyllin and Eosin. The picture were taken with OptiLab View and PMN cells amount were counted with light microscope, set 400 times of magnification. Results: Penetration effect of PGE2 gel on rat’s oral mucosa result in PMN inflammation cells distribution. One-way ANOVA showed no significant difference on PMN cells count in rats’ lower jaws between groups of normal and gel without PGE2. There was significant difference between groups of PGE2 gel and gel without PGE2 (p=0,001). PGE2 gel application showed PGE2 as inflammatory media, even though administered topically. Conclusion: PGE2 gel can penetrate rat’s oral mucosa, effecting PMN cells 1, 2, 4 and 8 hours after application of PGE2 gel.Latar belakang: Beberapa penelitian melaporkan bahwa injeksi (Prostaglandin E2) PGE2pada mukosa bukal yang dikombinasikan dengan tekanan ortodonti dapat mempercepat pergerakan gigi, tapi mempunyai kekurangan berupa resorpsi yang besar pada tulang alveolar dan akar gigi, serta adanya rasa sakit akibat penggunaan jarum suntik. Gel PGE2 dibuat untuk mengatasi kekurangan pemberian PGE2 secara injeksi. Tujuan: Untuk membuktikan bahwa gel PGE2 dapat berpenetrasi pada mukosa mulut tikus dengan efek munculnya sel PMN. Metode: Jenis penelitian adalah eksperimental laboratorik in vivo, menggunakan 36 tikus Sprague Dawley yang dibagi menjadi 3 kelompok, yaitu kelompok normal; kelompok pengolesan gel PGE2 setelah 1 jam, 2 jam, 4 jam, 8 jam (4 sub kelompok); kelompok pengolesan gel tanpa PGE2 setelah 1 jam, 2 jam, 4 jam, 8 jam (4 sub kelompok). Masing-masing kelompok terdiri 4 sampel, sehingga total sampel seluruh kelompok penelitian 36 tikus. Gel PGE2 dosis 25 µg/mL dan gel tanpa PGE2 dioleskan pada mukosa mulut rahang bawah selama 2 menit. Tikus di sacrifice setelah 1 jam, 2 jam, 4 jam dan 8 jam pengolesan. Kemudian dibuat sediaan histologi dengan pewarnaan Hematoxylin dan Eosin. Foto preparat diambil menggunakan OptiLab View. Hitung jumlah sel-sel PMN menggunakan mikroskop cahaya dengan pembesaran 400x. Hasil: Efek penetrasi gel PGE2 pada mukosa mulut terlihat distribusi sel-sel inflamasi PMN. Uji one-way ANOVA menunjukkan tidak ada perbedaan jumlah sel PMN yang bermakna pada mukosa rahang bawah tikus antara kelompok gel tanpa PGE2 dan normal. Ada perbedaan bermakna antara jumlah sel PMN kelompok pengolesan gel PGE2 dengan gel tanpa PGE2. (p = 0,001). Hasil aplikasi gel PGE2 menunjukkan gel PGE2 sebagai media inflamasi, meskipun zat aktif diberikan secara topikal. Kesimpulan: PGE2 gel dapat berpenetrasi ke mukosa mulut tikus, dengan efek adanya sel-sel PMN pada 1 jam, 2 jam, 4 jam dan 8 jam setelah pengolesan gel PGE2.

The effect of nanochitosan hydrogel membrane on absorbtion of nickel, inhibition of Streptococcus mutans and Candida albicans Andi Triawan; Pinandi Sri Pudyani; Soesatyo Marsetyawan HNE; Sismindari -
Dental Journal (Majalah Kedokteran Gigi) Vol. 48 No. 1 (2015): March 2015
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: The use of fixed orthodontic appliance for a long time can potentially cause nickel ion release, increase in the growth of Streptococcus mutans (S. mutans) and Candida albicans (C. albicans). Chitosan has the ability to bind metal, antibacterial and antifungal. Physical modification of chitosan into the nanoparticles size will expand the surface of the chitosan so that the absorption of nickel ions and the inhibition of growth bacteria and fungi can be increased. Purpose: The purpose of the study was to determine the effect of nanochitosan hydrogel membrane to the absorption of nickel ions, and the inhibition of S. mutans and C. albicans growth. Methods: Nanochitosan hydrogel membrane with chitosan weight variation of 0.6; 0.8 and 1 g immersed in artificial saliva containing nickel 0.075 mg / L for 15, 30 and 45 minutes. The nanochitosan hydrogel membrane was tested for nickel ion absorption by Atomic Absorption Spectrophotometry, whereas the antibacterial and antifungal tests were done by exposing the nanochitosan hydrogel membrane - nickel on S. mutans and C. albicans in the wells of plate. Results: Demonstrated that absorption of nickel ions was related with the increase in weight of chitosan and soaking time. Inhibition of growth of S. mutans and C. albicans showed a positive correlation with the increase in weight of chitosan. Conclusion: Variation on chitosan weight on hydrogel membrane and variation on immersion time have effect on nickel ion absorption, inhibition of S. mutans and C. albicans growth.

Orthodontic treatment considerations in Down syndrome patients Sianiwati Goenharto
Dental Journal (Majalah Kedokteran Gigi) Vol. 45 No. 1 (2012): March 2012
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Down syndrome is an easily recognized congenital disease anomaly, a common autosomal chromosomal anomaly with high prevalence of malocclusion. Orthodontic treatment demand should be high but it seems difficult to be done because of specific condition of disability. Purpose: The purpose of this literature review was to discribe the orthodontic problems found in Down syndrome patients and several consideration that shoud be done to treat them. Reviews: Many studies report the high prevalence of malocclusion among people with Down syndrome. There is a greater frequency of clas III relationship, crossbite, crowding and also open bite. Several problems might appear in the treatment because of dental, medical, mental, and behavioural factor. Conclusion: It is concluded that orthodonic treatment can be performed in Down syndrome patient, although several difficulties may appear. Good consideration in mental, behavior, medical and also dental condition will influence whether the treatment will success or not. Special care and facilities will support the orthodontic treatment.Latar belakang: Sindroma Down adalah suatu kelainan congenital yang mudah dikenali, merupakan kelaian kromosom autosomal yang cukup banyak terjadi, dengan prevalensi maloklusi cukup tinggi. Seharusnya permintaan akan perawatan ortodonti juga tinggi meskipun tampaknya sulit dilakukan karena adanya kondisi ketidakmampuan/cacat yang spesifik. Tujuan: Tujuan studi pustaka ini adalah untuk menggambarkan problem perawatan ortodonti pada penderita sindroma Down dan pertimbangan apa yang sebaiknya diambil untuk mengatasi masalah tersebut. Tinjauan pustaka: Banyak penelitian melaporkan tentang prevalensi maloklusi yang tinggi pada penderita sindroma Down. Maloklusi yang sering dijumpai adalah relasi klas III, gigitan silang, berdesakan dan juga gigitan terbuka. Problem dapat terjadi saat perawatan ortodonti karena adanya faktor dental, medis, mental dan tingkah laku penderita. Kesimpulan: Disimpulkan bahwa perawatan ortodonti masih dapat dilakukan pada penderita sindroma Down meskipun dengan beberapa kesulitan. Pertimbangan mental, tingkah laku, kondisi medis sistemik dan kondisi dental, akan mempengaruhi hasil perawatan. Tindakan dan fasilitas khusus diperlukan untuk menunjang suksesnya perawatan ortodonti pada penderita sindroma Down.

In vivo characterization of polymer based dental cements Widiyanti P; Siswanto Siswanto
Dental Journal (Majalah Kedokteran Gigi) Vol. 44 No. 4 (2011): December 2011
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: In vivo studies investigating the characterization of dental cements have been demonstrated. As few in vitro studies on this cement system have been performed. Previous researches in dental material has been standardized dental cement which fulfilled the physical and mechanical characteristic such as shear strength but were on in vitro condition, the animal model and clinical study of dental cement from laboratory has not been done yet. This research examined physical and mechanical characteristic in vivo using rabbit by making the caries (class III) in anterior teeth especially in mesial or distal incisive, fulfilled the cavity by dental cement and analyzed the compressive strength, tensile strength, and microstructure using scanning electron microscope (SEM). Purpose: This study is aimed to describe the in vivo characterization of dental cements based on polymer (zinc phosphate cement, polycarboxylate, glass ionomer cement and zinc oxide eugenol). Methods: First, preparation was done on animal model’s teeth (6 rabbits, male, 5 months old). The cavity was made which involved the dentin. Then the cavity was filled with dental cement. After the filling procedure, the animal model should be kept until 21 days and than the compressive test, tensile test and microstructure was characterized. Compressive test and tensile test was analyzed using samples from extracted tooth and was measured with autograph. The microstructure test was measured using SEM. Results: The best compressive strength value was belongs to zinc phosphate cement which was 101.888 Mpa and the best tensile strength value was belongs to glass ionomer cement which was 6.555 Mpa. Conclusion: In conclusion, comparing with 3 others type of dental cements which are zinc phosphate, polycarboxylate and glass ionomer cement, zinc oxide eugenol cement has the worst for both physical and mechanical properties.Latar belakang: Studi in vivo meneliti karakterisasi secara in vivo dari semen gigi. Beberapa studi in vitro di bidang ini telah dilakukan. Beberapa riset di bidang material gigi telah menghasilkan semen gigi yang memenuhi standart sifat fisik dan mekanik seperti regangan dan kekuatan secara in vitro, sedangkan uji in vivo dan uji klinis dari semen gigi dari laboratorium belum dilakukan. Penelitian ini menguji karakteristik fisik dan mekanik semen gigi menggunakan hewan coba kelinci dengan membuat karies kelas III di gigi anterior terutama di permukaan mesial atau distal insisif, mengisi kavitas dengan semen gigi dan menganalisa kekuatan tekan, kekuatan tarik dan struktur mikronya dengan menggunakan scanning electron microscope (SEM). Tujuan: Studi ini bertujuan memberikan gambaran karakterisasi in vivo semen gigi berbahan dasar polimer (semen seng fosfat, polikarboksilat, ionomer kaca dan seng oksida eugenol). Metode: Pertama, kami melakukan preparasi pada gigi hewan coba (6 kelinci, jantan, usia 5 bulan). Kemudian kita membuat kavitas yang melibatkan dentin. Lalu kami menumpat kavitas dengan semen gigi. Setelah prosedur penumpatan, hewan coba dipelihara selama 21 hari dan dikarakterisasi kekuatan tekan, kekuatan tarik dan struktur mikronya. Kekuatan tekan dan kekuatan tarik dianalisa dari sampel uji gigi hewan coba yang diekstraksi dan diukur dengan autograf. Struktur mikronya diuji dengan SEM. Hasil: Hasil nilai kuat tekan terbaik diperoleh oleh semen seng fosfat (zinc phosphate cement) sebesar 101,888 Mpa dan nilai kuat tarik semen gigi terbaik adalah semen gelas ionomer (glass ionomer cement) sebesar 6,555 Mpa. Kesimpulan: Dapat disimpulkan, dari ketiga jenis bahan semen yaitu seng fosfat, polikarboksilat, dan ionomer kaca, yang mempunyai sifat fisik dan mekanikal terburuk adalah semen ionomer kaca.

Perubahan suhu transisi kaca dan massa resin akrilik heat cured akibat kelembaban dan lama penyimpanan (Changes in glass transition temperature and heat cured acrylic resin mass due to moisture and storage time) Sherman Salim
Dental Journal (Majalah Kedokteran Gigi) Vol. 47 No. 3 (2014): September 2014
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Acrylic resins, especially poly methyl methacrylate (PMMA) was introduced in 1937. Acrylic resin has favorable properties, among others, aesthetic, color and texture similar to that of the gingival aesthetic in the mouth, relatively low water absorption and dimensional changes. However, some studies suggest that the duration of storage of acrylic resin will affect the changes in the glass transition temperature and the mass of acrylic resin. Purpose: The objective of this research was to study the effect of humidity and storage time led to changes in the glass transition temperature and the mass of the acrylic resin. Methods: The research method is experimental laboratory. Acrylic resin specimens are kept in conditions of humidity of 90%, 70%, 40% and 30% for 24 hours, one week, one month and two months. In this study used three methods of curing, namely conventional JIs, 24-hour curing at 70 °C and using the microwave. Results: Low humidity causes changes in the glass transition temperature and the mass of acrylic resin. Longer storage of acrylic resins in low humidity, can affect change greater than the glass transition temperature and the mass of acrylic resin. Conclusion: It can be concluded that the humidity and longer storage of acrylic resins can affect the glass transition temperature and a change in mass.Latar belakang: Resin akrilik terutama poli metil metakrilat (PMMA) telah diperkenalkan pada tahun 1937. Resin akrilik memiliki sifat yang menguntungkan antara lain estetis, warna dan tekstur mirip dengan gingiva sehingga estetik di dalam mulut baik, daya serap air relatif rendah dan perubahan dimensi kecil. Akan tetapi, dari beberapa penelitian menyatakan bahwa lamanya waktu penyimpanan resin akrilik akan berpengaruh pada perubahan suhu transisi kaca dan massa resin akrilik. Tujuan: Tujuan dari penelitian ini adalah untuk mempelajari pengaruh kelembaban dan waktu penyimpanan yang menyebabkan perubahan suhu transisi kaca dan massa pada resin akrilik. Metode: Metode penelitian adalah eksperimen laboratoris. spesimen resin akrilik disimpan dalam kondisi kelembaban 90%, 70%, 40% dan 30% selama 24 jam, satu minggu, satu bulan dan dua bulan. Dalam penelitian ini digunakan tiga metode curing, yaitu konvensional JIs, 24 jam curing pada suhu 70 °C dan menggunakan microwave. Hasil: Kelembaban rendah menyebabkan perubahan suhu transisi kaca dan massa resin akrilik. Penyimpanan lebih lama dari resin akrilik dalam kelembaban rendah, dapat mempengaruhi perubahan yang lebih besar dari suhu transisi kaca dan massa dari resin akrilik. Simpulan: Dapat disimpulkan bahwa kelembaban dan penyimpanan yang lebih lama dari resin akrilik dapat mempengaruhi suhu transisi kaca dan perubahan massa.

Threshold value of enamel mineral solubility and dental erosion after consuming acidic soft drinks Muhammad Ilyas
Dental Journal (Majalah Kedokteran Gigi) Vol. 44 No. 3 (2011): September 2011
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Dental erosion is irreversible and can caused by acidic soft drink consumption. Dental erosion prevention had already been done, but it still has not been satisfying since the consumption of acidic soft drink is still high. There is still no explanation about the threshold value of enamel mineral solubility and the occurance of dental erosion after consuming acidic soft drink. Purpose: This research is aimed to find the threshold value of enamel mineral solubility and dental erosion before and after consuming acidic soft drinks. Methods: Subjects of the research are saliva and enamel of 12 rabbits, which have some criteria such as age > 70 days, body weight > 600 grams, and teeth considered to be healthy. The sample devided equally into 4 groups. Each of those marmooths was given a drink as much as 2.5 cc/consumption (there are 1, 2 and 3× per day) by using syringe without injection needle. Salivary minerals then were examined by using atomic absorption spectrophotometric (ASS), while dental erosion was examined using scanning electron microscop (SEM). The data were analyzed by using Paired t-test. Results: It is known that the threshold value of enamel mineral solubility (K, Na, Fe, Mg, Cl, P, Ca, F, C) has significant difference (p < 0.05) after being exposed to folic acid. Meanwhile, Fe did not have significant difference (p = 0.090) after being exposed to citric acid. Similarly, C did not have significant difference (p = 0.063) after being exposed to bicarbonate acid. Furthermore, it is also known that the threshold time value of dental erosion are on the 105th day for folic acid, on the 111th day for citric acid, and on the 117th day for bicarbonate acid. Conclusion: Threshold value of enamel mineral solubility before and after consuming soft drinks containing acid is different. Based on the threshold value of dental erosion, it is known that folic acid is the most erosive acid.Latar belakang: Erosi gigi bersifat irreversible disebabkan oleh konsumsi minuman ringan yang mengandung asam. Pencegahan erosi gigi telah dilakukan tetapi hasilnya tidak memuaskan karena masih banyak orang selalu mengkonsumsi minuman ringan yang berasam. Tidak ada satupun yang menjelaskan lebih terperinci tentang perbedaan nilai ambang kelarutan email dan waktu erosi gigi setelah konsumsi minuman ringan yang berasam. Tujuan: Penelitian ini dilakukan untuk mengetahui perbedaan nilai ambang kelarutan mineral email dan erosi gigi sebelum dan setelah mengkonsumsi minuman ringan yang mengandung asam. Metode: Subjek dari penelitian ini adalah saliva dan enamel dari 12 ekor kelinci dengan criteria usia lebih dari 70 hari, berat lebih dari 600 gram, dan gigi dalam keadaan sehat. Sampel dibagi menjadi 4 kelompok. Masing-masing kelinci diberikan 2,5 ml minuman sekali konsumsi (1, 2, dan 3 kali sehari) menggunakan spite tanpa jarum. Mineral saliva dianalisa menggunakan Atomic Absorption Spectrophotometric (ASS), sedangkan erosi gigi diperiksa dengan menggunakan Scanning Electron Microscop (SEM). Data analisa dengan Paired-t test. Hasil: Semua mineral email (K, Na, Fe, Mg, Cl, P, Ca, F, C) nilai ambang kelarutannya berbeda secara bermakna sebelum dan setelah terpapar oleh asam folat (p < 0,05). Sebelum dan setelah terpapar oleh asam sitrat nilai ambang kelarutan mineral Fe tidak bermakna (p = 0,090), sebelum dan setelah terpapar oleh asam bikarbonat nilai ambang kelarutan mineral C tidak bermakna (p = 0,063). Nilai ambang waktu erosi gigi didapatkan pada hari ke 105 untuk asam folat, hari ke 111 untuk asam sitrat dan hari ke 117 untuk asam bikarbonat. Kesimpulan: Nilai ambang kelarutan mineral email sebelum dan setelah konsumsi minuman ringan mengandung asam berbeda. Berdasarkan nilai ambang erosi gigi, dapat diketahui bahwa asam folat merupakan asam yang paling erosif.

Alkaline phosphatase expression during relapse after orthodontic tooth movement Pinandi Sri Pudyani; Widya Asmara; Ika Dewi Ana; Tita Ratya Utari
Dental Journal (Majalah Kedokteran Gigi) Vol. 47 No. 1 (2014): March 2014
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: The increasing of osteoblast activities during bone formation will be accompanied with the increasing expression of alkaline phosphatase enzyme (ALP). ALP can be obtained from clear fluid excreted by gingival crevicular fluid (GCF). Bone turnover, especially bone formation process, can be monitored through the expression of ALP secreted by GCF during orthodontic treatment. Thus, retention period is an important period that can be monitored through the level of bone metabolism around teeth. Purpose: This research were aimed to determine the relation of distance change caused by tooth relapse and ALP activities in gingival crevicular fluid after orthodontic; and to determine ALP as a potential biomarker of bone formation during retention period. Methods: Lower incisors of 25 guinea pigs were moved 3 mm to the distally by using open coil spring. Those relapse distance were measured and the gingival crevicular fluid was taken by using paper points to evaluate ALP levels on days 0, 3, 7, 14 and 21 respectivelly by using a spectrophotometer (405 nm). t-test and ANOVA test were conducted to determine the difference of ALP activities among the time intervals. The correlation regression analysis was conducted to determine the relation of distance change caused by the relapse tooth movement and ALP activities. Results: The greatest relapse movement was occurred on day 3 after open coil spring was removed. There was significant difference of the average of distance decrease among groups A1-A5 (p<0.05). It was also known that ALP level was increased on day 3, but there was no significant difference of the average level of ALP among groups A1-A5 (p>0.05). Finally, based on the results of correlation analysis between the ALP level decreasing and the relapse distance on both right and left of mesial and distal sides, it is known that there was no relation between those two variables (p>0.05). Conclusion: It can be concluded that relapse after orthodontic tooth movement occurs rapidly as the teeth are free from orthodontic force. ALP level can be detected through gingival crevicular fluid during relapse by using a spectrophotometer.Latar belakang: Peningkatan aktivitas osteoblas selama pembentukan tulang akan disertai peningkatan ekspresi enzim alkalin fosfatase (Alkaline Phosphatase/ALP). Sumber ALP dapat diperoleh dari cairan bening yang diekskresi celah gingiva gigi yang dikenal sebagai cairan krevikuler gingiva (gingival crevicular fluid/GCF). Bone turnover terutama proses pembentukan tulang dapat dimonitor melalui ekspresi ALP cairan krevikuler gingiva selama perawatan ortodonti. Periode retensi merupakan periode yang penting. Kesulitan memecahkan masalah retensi akan dapat ditangani dengan memonitor tingkat metabolisme tulang disekitar gigi. Tujuan: Penelitian ini bertujuan untuk meneliti perubahan jarak relapse gigi dan aktivitas ALP pada cairan krevikuler gingiva setelah digerakkan secara ortodonti dan potensi ALP sebagai biomarker pembentukan tulang pada periode retensi. Metode: Gigi insisivus bawah 25 ekor marmot digerakkan ke distal menggunakan opencoil spring sampai mencapai jarak ± 3 mm, diukur gerakan relapse gigi dan pengambilan cairan krevikuler gingiva menggunakan paper point untuk dievaluasi kadar ALP pada hari ke 0, 3, 7, 14 dan 21 menggunakan spektrofotometer (405 nm). Analisis t-test dan anova untuk mengetahui perbedaan aktivitas ALP antar interval waktu dan analisis regresi korelasi untuk mengetahui hubungan besarnya jarak relapse dengan aktivitas ALP. Hasil: Pergerakan relapse yang paling besar terjadi pada hari ke 3 setelah opencoil spring dilepas. Terdapat perbedaan rata-rata penurunan jarak antar kelompok A1-A5 yang signifikan (p<0,05). Kadar ALP mengalami peningkatan pada hari ke 3, namun tidak terdapat perbedaan rata-rata yang signifikan kadar ALP antar kelompok A1-A5 (p>0,05). Hasil uji korelasi antara penurunan jarak dengan kadar ALP pada mesial distal gigi baik kanan maupun kiri tidak menunjukkan adanya hubungan kedua variabel (p>0,05). Simpulan: Relapse pada perawatan ortodonti terjadi secara cepat ketika gigi terbebas dari gaya ortodonti. Kadar ALP dapat terdeteksi dari cairan krevikuler gingiva pada pergerakan relapse gigi menggunakan spektrofotometer.

Posterior transverse interarch discrepancy on HbE β thalassemia patients Yuniar Zen; Loes D. Sjahruddin
Dental Journal (Majalah Kedokteran Gigi) Vol. 44 No. 1 (2011): March 2011
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: One of the symptoms that often arises on thalassemia patients is disharmony dentofacial, class II skeletal malocclusion, as a result of the malrelation of maxilla and mandible. This malrelation can be affected by either maxillary bone position, dentoalveolar maxillary position, mandibular bone position, dentoalveolar mandibular position, or combinations of those components. Purpose: The study was aimed to examine whether there is posterior transverse interarch discrepancy on the HbE β thalassemia patients or not. Methods: This study is an observational research with cross-sectional design. The sample consisted of 33 HbE β thalassemia patients and 33 non-thalassemia patients as a control group aged 12–14 years. Lateral cephalogram was carried out and dental casts of maxillary and mandibular dental arches were also taken in all of those patients. Results: There was no difference between the maxillary intermolar width of the HbE β thalassemia patients and that of the normal ones, but the mandibular intermolar width of the HbE β thalassemia patients was significantly smaller than that of the normal ones. Beside that, posterior transverse interarch discrepancy of of the HbE β thalassemia patients was significantly greater than that of the normal ones, which showed great difference between maxillary and mandibular intermolar widths. Conclusion: Posterior transverse interarch discrepancy of the HbE β thalassemia patients was different from that of the normal ones. The dentofacial abnormalities on the HbE β thalassemia patients aged 12–14 years primarily was due to disporposional dentofacial growth in the vertical, sagittal, and transversal directions, especially in the posterior region.Latar belakang: Salah satu akibat yang sering timbul pada penderita talasemia adalah disharmoni dentofasial berupa maloklusi skeletal kelas II yang merupakan kelainan hubungan maksila dan mandibula. Malrelasi ini dapat dipengaruhi oleh posisi maksila, posisi dentoalveolar maksila, posisi mandibula, dan posisi dentoalveolar mandibula atau kombinasi komponen ini dalam banyak variasi. Tujuan: Penelitian ini adalah untuk melihat apakah ada diskrepansi antar rahang arah tranversal di regio posterior pada penderita talasemia beta HbE. Metode: Penelitian ini adalah penelitian observasional dengan disain potong lintang. Sampel terdiri atas 33 penderita talasemia beta HbE dan 33 subjek normal (non talasemia) usia 12–14 tahun. Dilakukan pengambilan foto sefalogram lateral dan pembuatan model studi gigi RA dan RB pada semua subjek penelitian. Hasil: Jarak intermolar maksila tidak berbeda dengan subjek normal, namun jarak intermolar mandibula lebih kecil secara bermakna dibandingkan dengan subjek normal. Selain itu, diskrepansi antar rahang dalam arah transversal di regio posterior lebih besar secara bermakna dibanding subjek normal, yang menunjukkan besarnya selisih jarak antara jarak intermolar maksila dan jarak intermolar mandibula. Kesimpulan: Diskrepansi antar rahang arah transversal di regio posterior antara penderita talasemia beta HbE dengan subjek normal usia 12–14 tahun. Kelainan dentofasial pada penderita talasemia beta HbE usia 12–14 tahun disebabkan oleh pertumbuhan disporposional dentofasial berbeda arah vertikal, sagital dan transversal terutama di regio posterior.

Korelasi indeks morfologi wajah dengan sudut interinsisal dan tinggi wajah secara sefalometri (Cephalometric correlation of facial morphology index with interincisal angle and facial height) Pricillia Priska Sianita K; Verenna Verenna
Dental Journal (Majalah Kedokteran Gigi) Vol. 46 No. 4 (2013): December 2013
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: In a disaster or criminal case, comprehensive information is needed for identification process of each victim. Especially for some cases that only leave skull without any information that could help the identification process, including face reconstruction that will be needed. One way of identifications is specific face characteristic, race, some head-neck measurements, such as facial morphology index, interincisal angle and facial height. Purpose: The aim of study was to determine the correlation of facial morphology index with interincisal angle and facial height through cephalometric measurement. Methods: The samples were cephalogram of 31 subjects (Deutro-Malayid race) who met the inclusive criteria. Cephalometric analysis were done to all samples and followed by Pearson Correlation statistical test. Results: The correlation was found between facial morphology index and facial height, but no correlation between facial morphology index and interincisal angle. Conclusion: The study showed that the cephalometric measurement of facial morphology index and facial height could be used as the additional information for identification process.Latar belakang: Dalam bencana alam atau kasus kriminal informasi yang komprehensif diperlukan untuk proses identifikasi masing korban. Khususnya pada beberapa kasus yang hanya meninggalkan tengkorak tanpa informasi yang dapat membantu proses identifikasi, termasuk rekonstruksi wajah yang akan dibutuhkan. Salah satu cara identifikasi karakteristik wajah tertentu, ras, beberapa pengukuran kepala leher, seperti indeks morfologi wajah, sudut interincisal dan tinggi wajah. Tujuan: Penelitian ini bertujuan meneliti korelasi indeks morfologi wajah dengan sudut interincisal dan tinggi wajah melalui pengukuran sefalometrik. Metode: Sampel penelitian adalah cephalogram dari 31 subyek ras Deutro - Malayid ras yang memenuhi kriteria inklusif. Analisis cephalometri dilakukan pada semua sampel dan dilanjutkan dengan uji statistik korelasi Pearson. Hasil: Korelasi ditemukan antara indeks morfologi wajah dan tinggi wajah, tapi tidak ada korelasi antara indeks morfologi wajah dan sudut interincisal. Simpulan: Hasil penelitian menunjukkan bahwa pengukuran sefalometrik indeks morfologi wajah dan tinggi wajah, dapat digunakan sebagai informasi tambahan untuk proses identifikasi.

Pulp nerve fibers distribution of human carious teeth: An immunohistochemical study Tetiana Haniastuti
Dental Journal (Majalah Kedokteran Gigi) Vol. 43 No. 4 (2010): December 2010
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Human dental pulp is richly innervated by trigeminal afferent axons that subserve nociceptive function. Accordingly, they respond to stimuli that induce injury to the pulp tissue. An injury to the nerve terminals and other tissue components in the pulp stimulate metabolic activation of the neurons in the trigeminal ganglion which result in morphological changes in the peripheral nerve terminals. Purpose: The aim of the study was to observe caries-related changes in the distribution of human pulpal nerve. Methods: Under informed consents, 15 third molars with caries at various stages of decay and 5 intact third molars were extracted because of orthodontic or therapeutic reasons. All samples were observed by micro-computed tomography to confirm the lesion condition 3-dimensionally, before decalcifying with 10% EDTA solution (pH 7.4). The specimens were then processed for immunohistochemistry using anti-protein gene products (PGP) 9.5, a specific marker for the nerve fiber. Results: In normal intact teeth, PGP 9.5 immunoreactive nerve fibers were seen concentrated beneath the odontoblast cell layer. Nerve fibers exhibited an increased density along the pulp-dentin border corresponding to the carious lesions. Conclusion: Neural density increases throughout the pulp chamber with the progression of caries. The activity and pathogenicity of the lesion as well as caries depth, might influence the degree of neural sprouting.Latar belakang: Pulpa gigi manusia diinervasi oleh serabut saraf trigeminal yang berespon terhadap stimuli penyebab perlukaan dengan menimbulkan rasa sakit. Perlukaan pada akhiran saraf dan komponen lain dari pulpa akan menstimulasi aktivasi metabolik dari neuron pada ganglion trigeminal sehingga mengakibatkan perubahan morfologi pada akhiran saraf perifer. Tujuan: Penelitian ini bertujuan untuk mengamati perubahan distribusi saraf pada pulpa gigi manusia yang disebabkan oleh proses karies. Metode: Penelitian ini menggunakan 15 buah gigi molar tiga yang mengalami karies dengan berbagai tingkat kedalaman karies dan 5 buah gigi molar tiga normal (tidak mengalami karies). Gigi-geligi tersebut dicabut untuk keperluan perawatan ortodontik atau alasan perawatan lainnya. Sebelum didekalsifikasi dengan menggunakan EDTA 10% (pH 7,4), seluruh sampel diamati dengan micro-computed tomography untuk mengetahui kondisi lesi secara tiga dimensi. Spesimen kemudian diproses secara immunohistokimia menggunakan anti-protein gene products (PGP) 9,5 yang merupakan penanda spesifik untuk serabut saraf. Hasil: Pada pulpa gigi normal, serabut saraf yang menunjukkan ekspresi PGP 9,5 positif tampak terkonsentrasi di bawah lapisan odontoblast. Distribusi serabut saraf tampak meningkat pada perbatasan dentin-pulpa di bawah lesi karies. Kesimpulan: Densitas serabut saraf pada kamar pulpa meningkat dengan bertambahnya kedalaman karies. Aktivitas dan patogenisitas dari lesi serta kedalaman karies dapat berpengaruh terhadap penyebaran serabut saraf.

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Home Page

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Contact Name
Saka Winias

Contact Email
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Location
Kota surabaya,

Jawa timur

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