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"[ABSTRAKPenyembuhan defek tulang akibat trauma, antara lain dapat berupa trauma fisik; mekanik; kimia maupun biologik dapat dilakukan melalui terapi transplantasi tulang autogenik; allogenik; alloplastik dan xenogenik. Penggunaan material xenogenik yang paling sering digunakan dalam mempercepat penyembuhan adalah material dari bovine yang mempunyai potensi osteokonduktif sangat baik. Penelitian ini bertujuan untuk mengetahui perbedaan perilaku sel osteoblas manusia terhadap paparan bovine periosteal membrane dibandingkan dengan kontrol. Hasil penelitian ini menunjukkan bahwa Bovine periosteal menbrane produksi BATAN yang diujikan tidak menstimulasi proliferasi sel osteoblas setelah 24 jam pemaparan. Disamping itu, tidak terdapat perbedaan bermakna terhadap ekspresi fosfatase alkali dan konsentrasi osteokalsin pada sel osteoblas yang dipapar dengan bovine periosteal membrane dibandingkan dengan kontrol

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ABSTRACTHealing of bone defects due to trauma, including physical; mechanical; chemical and biological trauma can be done through autogenic; allogenic; alloplastic and xenogenic bone transplantation therapy. The most common xenogenic material that is used for bone healing acceleration is bovine material which has excellent osteoconductive potention. The aim of this study is to determine the differences in the behavior of human osteoblast cells on exposure to bovine periosteal membrane compared with controls. The results of this study indicate that bovine periosteal membrane from BATAN is not stimulate the proliferation of osteoblast after 24 hours of exposure. In addition, there is no significant difference on the expression of alkaline phosphatase and osteocalcin concentration in osteoblast cells exposed to bovine periosteal membrane compared with controls. , Healing of bone defects due to trauma, including physical; mechanical; chemical and biological trauma can be done through autogenic; allogenic; alloplastic and xenogenic bone transplantation therapy. The most common xenogenic material that is used for bone healing acceleration is bovine material which has excellent osteoconductive potention. The aim of this study is to determine the differences in the behavior of human osteoblast cells on exposure to bovine periosteal membrane compared with controls. The results of this study indicate that bovine periosteal membrane from BATAN is not stimulate the proliferation of osteoblast after 24 hours of exposure. In addition, there is no significant difference on the expression of alkaline phosphatase and osteocalcin concentration in osteoblast cells exposed to bovine periosteal membrane compared with controls. ]"

"LatarBelakang: Struktur dentokraniofasial pada anak dengan celah bibir dan langit-langit yang ditangani dengan prosedur bedah, akan mempengaruhi pertumbuhan maksila, namun tidak mempengaruhi struktur dan posisi mandibula. Disproporsional atau kelainan dentofasial dapat terjadi apabila pertumbuhan maksila tidak sejalan dengan pertumbuhan mandibula sehingga untuk mencapai keberhasilan perawatan perlu memperhatikan keadaan pertumbuhan dan perkembangan anak terutama pada kasus yang diindikasikan perawatan orthodonti disertai bedah orthognatik, dimana waktu dilakukan bedah pada saat pertumbuhan telah selesai. Dalam mengidentifikasi tahap pertumbuhan dapat digunakan beberapa indikator seperti usia kronologis, tinggi dan berat badan, perkembangan gigi geligi dan karakteristik maturasi seksual yaitu menstruasi pada wanita dan perubahan suara pada pria. Indikator lainnya adalah perkembangan skeletal yang umumnya dilakukan melalui pemeriksaan foto radiografik. Penentuan maturasi skeletal dengan mengevaluasi marurasi tulang karpal, sangat membantu untuk menetapkan diagnosis dan merencanakan perawatan yang tepat.Tujuan: Untuk menilai tahap maturasi tulang karpal penderita celah bibir dan/atau langitlangit usia 15 - 20 tahun.Bahan dan Cara : Dilakukan pengambilan rontgen foto karpal tangan kiri pada 25 sampel, hasil radiografi dilakukan analisa dengan maturasi skeletal indeks. Dari data yang didapat dilakukan uji statistik chi-squere.Hasil: Hasil penelitian menunjukkan tahap maturasi tulang karpal pada penderita celah bibir dan langit-langit pada kelompok umur 15-17 tahun, sangat bervariasi. Pada kelompok umur 18-20 tahun, baik lakilaki dan perempuan tahap maturasi skeletal telah selesai. Hasil uji statistik memperlihatkan perbedaan maturasi skeletal yang bermakna antara laki-laki dan perempuan.Kesimpulan :.Dari penelitian ini dapat disimpulkan bahwa terdapat perbedaan yang bermakna antara maturasi skeletal kelompok laki-laki dibandingkan kelompok perempuan pada penderita celah bibir dan/atau langit-langit.

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Background : Dentocraniofacial structure in children with cleft lip and palate treated with surgical procedures, will affect the growth of the maxilla, but does not affect the structure and position of the mandible. Disproportionate or dentofacial abnormalities can occur when the growth of the maxilla is not in line with the growth of the mandible so as to achieve treatment success should pay attention to the state of growth and development of children, especially in the case of the indicated treatment with surgical orthodontic orthognatic, where surgery is the time when growth has been completed. In the growth stage can be used to identify some indicators such as chronological age, height and weight, the development of teeth and characteristics of sexual maturation that menstruation in women and in men the sound changes. Another indicator is the skeletal development which is generally done through radiographic examination. Determination of skeletal maturation by evaluating marurasi carpal bones, is helpful to establish the diagnosis and appropriate treatment plan.

Objectives : To assess patients with carpal bone maturation stage cleft lip and/or palate aged 15-20 years.

Material and Method : Hand wrist x-ray image of the left hand on 25 sample, result of radiograph performed analysis with Skeletal Maturation Index (SMI). The data was performed statistical analysis chi-squere test.

Results : The results showed carpal bone maturation stage in patients with cleft lip and palate in the age group 15-17 years, are very varied. In the age group 18-20 years, both male and female skeletal maturation stage has been completed. The test result showed statistically differences in skeletal maturation between male and female with cleft lip and palate on Skeletal Maturation Index (SMI).

Conclusion: From this study it can be conclude that there significant differences male skeletal maturation compared to female of children with cleft lip and palate."

"Tumor odontogenik merupakan jenis tumor yang sering terjadi di regio kepala leher terutama di rongga mulut. Badan Kesehatan Dunia WHO telah membuat klasifikasi yang baru terhadap jenis tumor odontogenik. Kejadian tumor odontogenik di Indonesia dipengaruhi oleh banyak hal di antaranya kondisi demografi, sosioekonomi dan keadaan klinis masing-masing individu. Penelitian mengenai tumor odontogenik masih sangat sedikit dilakukan di Indonesia sehingga penelitian ini bertujuan untuk mengetahui frekuensi dan distribusi tumor odontogenik di Indonesia periode 2012-2015. Analisis dilakukan pada 118 rekam medik pasin tumor odontogenik. Frekuensi dan distribusi dilihat berdasarkan umur, jenis kelamin, lokasi, pekerjaan, pendidikan, diagnosis tumor, jenis perawatan, spesialisi, gambaran histopatologis, lama rawat inap dan tingkat rekurensi. Mayoritas pasien berusia 31-40 tahun 26,27. Tumor odontogenik ditemukan lebih banyak pada laki-laki dengan rasio 1.03:1. Tingkat pendidikan paling banyak adalah tamat SMA, 35 pasien 29,67. Mayoritas pasien tidak bekerja sebanyak 26 pasien 22,03. Ameloblastoma merupakan jenis tumor paling banyak yaitu 101 kasus 85,60. Tumor odontogenik paling banyak ditemukan di rahang bawah sebanyak 102 kasus 86,44. Penanganan tumor paling banyak dilakukan oleh spesialis bedah mulut sebanyak 91 kasus 77,12. Rata-rata lama rawat inap pasien adalah 9,87 7,60 hari. Terjadi 15 kasus rekurensi pada jenis tumor ameloblastoma.

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Odontogenic tumor is a common tumor in the head and neck regio especially oral cavity. World Health Organization WHO in 2005 currently reclassify the classification of tumor odontogenic. The incidence of the odontogenic tumor in Indonesia were depends on demographic conditions, socio economic and clinical condition of the patients. The research about odontogenic in Indonesia are currently limited so this research are conducted to see the frequency and distribution of odontogenic tumor in Dr. Cipto Mangunkusumo General Hospital from 2012 2015. 118 medical records was analyzed. Frequency and distribution analyzed concerning age, gender, location of tumor, educational level, occupation, diagnosis, treatment, specialization, histopatologic type, length of stay, and reccurent rate. Most of the patients were 31 40 years old in age 26,27. Odontogenic tumor mostly happen in man with ratio 1.03 1. The educational level of the patients mostly are graduated high school student 29,67 and mostly are not work 22,03. Ameloblastoma is the most common odontogenic tumor 85,60. Mandible is the common site of the odontogenic tumor 86,44. The treatment of the odontogenic tumor mostly done by the oral and maxillofacial surgeon 77,12. Mean of patient length of stay were 9,87 7,60 days. "

"ABSTRAK

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Latar belakang : Rekonstruksi defek jaringan tulang merupakan tantangan utama yang dihadapi ahli bedah mulut dan maksilofasial. Elemen dasar yang dibutuhkan dalam suatu rekayasa jaringan adalah sel, scaffold matriks serta molekul stimulan growth factors . Bagaimana sifat mekanik dari scaffold kitosan/hidroksiapatit/kolagen produksi BATAN, Jakarta, belum pernah diteliti. Tujuan : Menganalisa sifat mekanik scaffold kitosan/hidroksiapatit/kolagen produksi BATAN, Jakarta, sebelum dan setelah direndam dalam simulated body fluid selama 8 hari. Metode : Menyediakan scaffold komposit kitosan/hidroksiapatit/kolagen, kemudian merendam scaffold didalam simulated body fluid pada suhu 37 0C, selama 8 hari. Kemudian masing ndash; masing scaffold diangkat dan dikeringkan pada suhu ruang pada hari 0, 2, 4, 6, 8. Untuk diuji kekuatan tekan dan kekuatan tarik. Data yang diperoleh diolah dan dianalisa. Hasil : Variasi nilai kekuatan tekan dan kekuatan tarik dapat dihubungkan dengan beberapa hal , ukuran spesimen yang tidak seragam, komposisi scaffold, ukuran pori scaffold yang tidak sama dan adanya degradasi dari kandungan polimer. Kesimpulan : Scaffold kitosan/hidroksiapatit/kolagen tidak memiliki kekuatan tarik dan kekuatan tekan sebelum dan setelah perendaman masing ndash;masing hari dengan simulated body fluid.

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ABSTRACTBackground The reconstruction of bone tissue defect is a major challenge for the oral and maxillofacial surgeon. The basic elements needed in a tissue engineering is a cell, scaffold matrix and stimulant molecules growth factors . How mechanical properties the scaffold of chitosan hydroxyapatite collagen production BATAN, Jakarta, has never been in research. Purpose Analyze the mechanical properties the scaffold of chitosan hydroxyapatite collagen from BATAN, Jakarta, before and after immersion in simulated body fluid for 8 days. Method Provides a composite scaffold of chitosan hydroxyapatite collagen, then soaking the scaffold in SBF at 37 0 C, for 8 days. Then each scaffold is removed and dried at room temperature on the day of 0, 2, 4, 6, 8. To test the compressive strength and tensile strength. The data obtained were processed and analyzed. Results Variations in the value of the compressive strength and tensile strength can be attributed to several things, the size of the specimen which is not the same, the composition of the scaffold, scaffold pore size is not the same and the degradation of the content polimer. Summary Scaffold chitosan hydroxyapatite collagen does not have differences the tensile strength and compressive strength before and after immersion with simulated body fluid."

"Latar Belakang: Whistle deformity merupakan deformitas yang paling sering terjadi pasca labioplasti.Tujuan: untuk membandingkan ukuran tinggi cupid bow sisi non celah, midline dan cupid bow sisi celah pasca Labioplasti dengan teknik Cronin pada pasien UCLP bibir istirahat dan berfungsi dan mengevaluasi apakah terjadi whistle deformity atau tidak.Metode: Penilaian whistle deformity berdasarkan skala antropometri dari data fotograf wajah, yaitu ukuran tinggi cupid bow sisi non celah, midline dan sisi celah pada 24 pasien UCLP pasca labioplasti dengan teknik Cronin, dan pada pasien whistle deformity dilakukan saat bibir istirahat dan berfungsi.Hasil: Dari hasil statistik didapatkan P0,05.Kesimpulan: Tidak terdapat perbedaan bermakna pada tinggi cupid bow sisi non celah dan sisi celah, tinggi cupid bow sisi non celah, sisi celah dan midline pasien whistle deformity bibir berfungsi dan istirahat, tinggi cupid bow sisi kanan dan kiri pada anak nomal bibir berfungsi dan istirahat, tinggi cupid bow anak normal dengan whistle deformity saat berfungsi. Sedangkan tinggi midline anak normal dan tinggi cupid rsquo;s bow anak normal dan whistle deformity saat bibir istirahat terdapat perbedaan bermakna.

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Background: Whistle deformity is one of the lip deformities post labioplasty usually occurs.

Objectives: To compare the height of cupid bow in the normal side, midline and the cleft side post Cronin method labioplasty in the UCLP patient while the lips in function and rest and evaluate is there whistle deformity or not.

Method: Evaluation whistle deformity according to anthropometry scale from profile photograph, which are the height cupid bow normal side, midline and cleft side in 24 UCLP patients post Cronin method labioplasty, in the whistle deformity patients while lips function and rest.

Result: Base on statistic, the result showed P0,05.

Conclusion: There is no significant difference between height cupid bow in the normal side and cleft side, height cupid bow in the normal side, cleft side and midline in the whistle deformity while lips function and rest, height cupid bow of the right and left side in the normal children while lips function and rest, height cupid bow in the normal children and whistle deformity while lips function. On the other side, there is significant difference between height midline in the normal children and height cupid bow in the normal children and whistle deformity while lips rest."

"Latar Belakang: Gigi impaksi adalah gigi yang gagal erupsi atau berkembang di lokasi fungsional yang tepat. Molar ketiga yang impaksi diklasifikasikan menurut: Klasifikasi Winter dan Pell & Gregory. Klasifikasi musim dingin menjelaskan hubungan angulasi, sedangkan klasifikasi Pell & Gregory menjelaskan hubungan ramus dan kedalaman impaksi. Molar ketiga rahang bawah impaksi yang tumbuh tidak normal sehingga mengakibatkan kondisi patologis, salah satunya yang lainnya adalah karies distal pada gigi tetangga, molar kedua. Tujuan: Untuk mengetahui distribusi dan frekuensi karies distal pada gigi molar dua rahang bawah akibat gigi geraham ketiga yang impaksi di Rumah Sakit Khusus Gigi dan Mulut, Fakultas Kedokteran Gigi Universitas Indonesia periode 2015-2018. Metode: Penelitian ini merupakan penelitian deskriptif retrospektif. Subjek Penelitian ini menggunakan data sekunder yang diperoleh dari rekam medis Pasien RS Khusus Gigi dan Mulut, Fakultas Kedokteran Gigi Universitas Indonesia periode 2015-2018. Kesimpulan: Distribusi dan frekuensi pasien pasien bedah mulut dan odontektomi di Fakultas Kedokteran Gigi dan Mulut Kedokteran Gigi di Universitas Indonesia mengalami peningkatan setiap tahunnya, pada kunjungan pasien bedah mulut tertinggi yaitu pada tahun 2018 sebanyak 3290 pasien (31%), dan kunjungan pasien odontektomi tertinggi terjadi pada tahun 2018sebanyak 859 pasien (36%), kasus yang ditemukan dalam penelitian ini, lebih menemukan pasien tanpa karies distal molar kedua mandibulaUniversitas Indonesia iv sebanyak 181 kasus (66%) dibandingkan dengan yang karies, elemen gigi yang Paling sering ditemukan pada karies distal molar ketiga mandibula, yaitu pada gigi 37 sebanyak 60 kasus (57%), prevalensi tertinggi pada kedalaman karies distal molar kedua bawah terletak di dentin pada 63 kasus (59%), dan karies distal geraham bawah adalah umum

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Background: Impacted teeth are teeth that fail to erupt or develop in the proper functional location. Impacted third molars are classified according to: Winter and Pell & Gregory classification. The winter classification describes the angulation relationship, while the Pell & Gregory classification describes the ramus relationship and impaction depth. The impacted mandibular third molar that grew abnormally resulted in pathological conditions, one of which was distal caries on the neighboring tooth, the second molar. Objective: To determine the distribution and frequency of distal caries in mandibular second molars due to impacted third molars at the Dental and Oral Special Hospital, Faculty of Dentistry, University of Indonesia for the period 2015-2018. Methods: This study is a retrospective descriptive study. The subject of this study used secondary data obtained from the medical records of patients at the Special Dental and Oral Hospital, Faculty of Dentistry, University of Indonesia for the period 2015-2018. Conclusion: The distribution and frequency of oral surgery and odontectomy patients at the Faculty of Dentistry and Oral Dentistry at the University of Indonesia has increased every year, the highest oral surgery patient visits were in 2018 as many as 3290 patients (31%), and the highest odontectomy patient visits happened in 2018

as many as 859 patients (36%), the cases found in this study, found more patients without caries distal to the mandibular second molar

University of Indonesia iv as many as 181 cases (66%) compared to those with caries, the most common dental element found in caries distal to the mandibular third molar, namely in tooth 37 as many as 60 cases (57%), the highest prevalence in the distal caries depth of the lower second molar is located in dentin in 63 cases (59%), and distal mandibular caries was common"

"Latar Belakang Implan gigi adalah salah satu pilihan perawataan yang umum dalam perawatan pasien yang mengalami kehilangan gigi. Kestabilan dari implan gigi menjadi tolok ukur keberhasilan perawatan. Tujuan dari systematic review ini adalah untuk membandingkan dua bentuk implan gigi yang banyak digunakan yaitu tapered dan cylindrical. Material Dan Metode Berdasarkan metode Preferred Reporting Items for Systematic Review and Meta Analisys (PRISMA), artikel-artikel Randomized Control Trial (RCT) dicari menggunakan database electronik meliputi PubMed, Scopus, dan Cochrane. Hasil Sebanyak 8868 artikel ditemukan berdasarkan pencarian dari database elektronik, dan sebanyak 14 artikel penelitian dilibatkan dalam systematic review ini. Secara umum, implan gigi dengan bentuk tapered memiliki nilai insertion torque yang lebih tinggi. Namun bentuk cylindrical tercatat lebih tidak terpengaruh terhadap defek pada tulang. Kesimpulan Terdapat beberapa bukti bahwa implan gigi dengan bentuk tapered memiliki primary stability yang lebih baik dibanding bentuk cylindrical. Namun dibutuhkan penelitian lebih lanjut mengenai kestabilan implan gigi pada beberapa skenario klinis seperti penempatan pada tulang pasca augmentasi.

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Background Dental implants are one of the most common treatment options in the treatment of missing tooth. The stability of dental implants is a benchmark for successful treatment. The purpose of this systematic review is to compare two shapes of dental implants that are widely used, namely tapered and cylindrical. Materials And Methods Based on the Preferred Reporting Items for Systematic Review and Meta Analysys (PRISMA) method, Randomized Control Trial (RCT) articles were searched using electronic databases including PubMed, Scopus, and Cochrane. Results A total of 8868 articles were found based on searches from electronic databases, and 14 research articles were included in this systematic review. In general, tapered dental implants have a higher insertion torque value. However cylindrical dental implants were noted to be less affected by bone defects. Conclusion There is some evidence that tapered form implants have better primary stability than cylindrical forms. However, more research is needed on the stability of dental implants in several clinical scenarios such as placement in bone after augmentation."

"Studi mengenai pengukuran dental cast telah beberapa kali dilakukan namun sedikit sekali yang terkait dengan Celah Bibir dan Langit-langit Bilateral karena jumlah kasus yang sangat jarang. Tujuan dari studi ini untuk mengevaluasi pertumbuhan maksila pasien Celah Bibir dan Langit-langit Bilateral menggunakan beberapa perlengkapan alat dan software menggunakan landmark yang sama dengan studi pengukuran lengkung maksila dan sudut palatal shelves. Penelitian Retrospektif ini diselenggarakan di RS Harapan Kita Cleft Center Jakarta, Indonesia. 35 dental cast sebelum labioplasti dan 35 dental cast setelah labioplasti dari pasienyang sama didigitisasi menggunakan scanner desktop 3D E4 dari 3shape. Lebar lengkung maksila dengan pengukuran linear dan palatal shelve dilakukan pada penelitian ini. Pengukuran dilakukan sebanyak dua kali oleh orang yang sama (intra observer) dan measurement error dihitung menggunakan dahlberg test. Laju pertumbuhan linear pada pasien ini baik, 45,1% pasien mengalami laju pertumbuhan positif setelah pembedahan, 34,3% laju pertumbuhan positif antar kaninus, dan 14,3% pasien mengalami laju pertumbuhan negatif pada interkaninus maksila dan intertuberositas. Laju pertumbuhan angular 22,9% mengalami hasil negatif dan 5,7% mengalami laju pertumbuhan positif. Laju pertumbuhan relatif normal pada penelitian ini. Palatal shelve mengalami pendangkalan pada penelitian ini namun pada tuber maksila kiri ada peninggian.

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There were several studies regarding to measure the growth from dental cast, but it is severely limited study which is related to Bilateral Cleft Lip and Palate (BCLP) since the case is quite rare. The aim of this study is to evaluate the maxillary growth of BCLP patients using different tools and software with the same landmark to the previous methods for dental arch width and palatal shelves angle. This retrospective study was held in Children and Maternal Cleft Center Harapan Kita Hospital, Jakarta, Indonesia. 35 dental casts before labioplasty and 35 dental casts before palatoplasty from the same patients were digitized using 3D desktop scanner E4 from 3shape. Dental arch width of BCLP maxillary growth rate with linear measurement and palatal shelf angle were conducted in this study. The measurements were performing twice by same person (intra observer) and the measurement error was calculated by Dahlberg test. The growth rate linear in this patients results are good, 45.1% of patients experiencing positive growth rate post surgery, 34.3% positive growth surgery intercanine, but negative growth rate on intertuberosity, 14.3% patients have negative maxillary intercanine results and positive intertuberosity growth rate, and finally 14,3% patients experiencing negative growth rate in both maxillary intercanine and intertuberosity . Angular growth rate 22.9% have negative results and 5.7% have positive growth rate results. The dental arch linear growth rate relatively normal in this research. The palatal shelves were elevated in this research but in left tuber maxillary the degree is increasing."

"Latar Belakang: Ameloblastoma merupakan tumor yang berasal dari jaringan epitel odontogenik pembentuk gigi. Umumnya ameloblastoma jinak, tapi bersifat agresif secara lokal dengan tingkat rekurensi yang tinggi. MMP-2 merupakan salah satu yang paling berkaitan dengan invasi ameloblastoma. Matrix metalloproteinase-2 (MMP-2) merupakan enzim proteolitik yang diproduksi dalam sel-sel di seluruh tubuh dan menjadi bagian dari matriks ekstraselular, yang merupakan rangkaian rumit protein dan molekul lain yang terbentuk diruang antara sel-sel. Tujuan: Mengetahui sifat invasi lokal ameloblastoma dari sisi molekular. Metode Penelitian: 30 sampel ameloblastoma terdiri dari 8 sampel tipe pleksiform, 5 sampel tipe folikuler, dan 17 sampel tipe campuran. Sampel dipulas secara immunohistokimia dengan antibodi MMP-2. Hasil: Terdapat perbedaan ekpresi MMP-2 dari sel epitel pada berbagai tipe ameloblastoma. Terdapat perbedaan ekspresi MMP-2 dari sel fibroblast pada berbagai macam tipe ameloblastoma. Tipe campuran memiliki tingkat invasif yang paling tinggi dari ketiga tipe ameloblastoma dan memiliki sifat yang lebih infiltratif. Kesimpulan :Terdapat perbedaan ekspresi immunohistokimia matriks metalloproteinase (MMP-2) terhadap sel epitel dan fibroblast ameloblastoma tipe folikular, pleksiform, dan campuran.

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Background: Ameloblastoma is a tumor which originate from odontogenic epithelial tissue. Mostly ameloblastoma is benign, but can be locally aggressive with high recurrence level. MMP-2 is one that connected with ameloblastoma invasion. Matrix metalloproteinase-2 (MMP-2) is proteolitic enzim that produce in body cells and become part of extracellular matrix. Objective: Understanding ameloblastoma local invasion from molecular side. Methods: 30 samples plexiform type ameloblastoma (n = 8), 5 samples folicullar type, and 17 samples mixed type. Samples are smeared by antibody MMP-2 immunochemistry. Results: There are differences in MMP-2 expression from any kind ameloblastoma epithelial cells. There are differences in MMP-2 expression from any kind ameloblastoma fibroblast cells. Mixed type has highest invasion level from another three types of ameloblastoma and more infiltrative. Conclusion: There are immunochemistry Matriks Metalloproteinase (MMP-2) differences at epitel cell and fibroblast of folicullar, plexiform, and mixed type of ameloblastomas."

"Latar belakang: Ekstraksi gigi merupakan tindakan yang sangat kompleks sehingga dibutuhkan banyak keterampilan dan pengetahuan khusus. Dan hal tersebut dipelajari dalam pendidikan kedokteran gigi. Indonesia memiliki 32 universitas baik negeri maupun swasta yang menyediakan program sarjana dan profesi kedokteran gigi, termasuk Fakultas Kedokteran Gigi Universitas Indonesia. Salah satu modul utama dalam kurikulum pendidikan Fakultas Kedokteran Gigi Universitas Indonesia adalah pembelajaran teknik ekstraksi gigi. Dan saat ini belum diketahui gambaran persepsi mahasiswa terhadap pembelajaran teknik ekstraksi gigi di Fakultas Kedokteran Gigi Universitas Indonesia. Metode: Penelitian ini menggunakan deskriptif potong lintang pada 404 mahasiswa menggunakan kuesioner tentang persepsi mahasiswa terhadap pembelajaran teknik ekstraksi yang pernah dipakai sebelumnya. Hasil: Setiap angkatan menunjukkan variasi penilaian yang berbeda terhadap pembelajaran teknik ekstraksi gigi. Mayoritas mahasiswa yang menggunakan model pelatihan praklinik menganggapnya sebagai persiapan yang berguna untuk tindakan ekstraksi gigi pada pasien. Sebagian besar mahasiswa merasa bahwa pengetahuan mereka tentang anatomi dan kesiapan mereka untuk menghadapi komplikasi saat ekstraksi terhitung kurang. Selain itu, mayoritas mahasiswa merasa telah dilatih dengan baik dan merasa puas dengan pelayanan pendidikan yang diberikan dalam pembelajaran teknik ekstraksi gigi. Kesimpulan: terdapat beberapa perbedaan persepsi antar angkatan 2014 – 2017 terhadap pembelajaran teknik ekstraksi gigi di Fakultas Kedokteran Gigi Universitas Indonesia

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Background: Tooth extraction is a very complex procedure that requires a lot of special skills and knowledge. This is taught in dentistry education. Indonesia has 32 public and private universities that provide undergraduate and professional dental programs, including the Faculty of Dentistry, University of Indonesia. One of the main modules in the education curriculum of the Faculty of Dentistry, University of Indonesia is learning tooth extraction techniques. And currently, there is no known description of student perceptions of learning tooth extraction techniques at the Faculty of Dentistry, University of Indonesia. Methods: This study used a cross-sectional descriptive study on 404 students using a questionnaire about student’s perceptions of learning extraction techniques that had been previously used. Results: Each batch students showed a different variation in the assessment of learning tooth extraction techniques. The majority of students who use the preclinical training model consider it a useful preparation for dental extraction in patients. Most of the students felt that their knowledge of anatomy and their readiness to deal with complications during extraction was lacking. In addition, the majority of students felt that they had been properly trained and were satisfied with the educational services provided in learning tooth extraction techniques. Conclusion: There are several differences in perceptions between 2014 - 2017 students batches of learning tooth extraction techniques at the Faculty of Dentistry, University of Indonesia"