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Abstrak :
ABSTRAK
Latar Belakang: Impaksi Molar 3 rahang bawah telah diketahui akan meningkatkan resiko fraktur tulang mandibula terutama di daerah angulus mandibula. Fraktur angulus mandibula sering terjadi akibat kecelakaan lalu lintas di Indonesia. Masyarakat belum mengetahui pentingnya odontektomi sebagai langkah awal pencegahan fraktur angulus mandibula.Tujuan: Untuk mengetahui apakah terdapat hubungan dari adanya fraktur angulus mandibula dengan adanya impaksi molar 3 rahang bawah.Material dan Metode: Rekam medis pasien poli Bedah Mulut dan Maksilofasial Rumah Sakit Umum kabupaten Tangerang selama periode Januari 2013-Desember 2017 dikumpulkan dan didapatkan 41 orang dengan fraktur angulus mandibula. Setiap sampel diidentifikasi adanya fraktur angulus mandibula, adanya impaksi molar 3 rahang bawah, posisi erupsi impaksi molar 3 dan kelas impaksi menurut Pell dan Gregory. Data diolah dengan uji Chi Square dan Kolmogorov Smirnov, serta ditentukan Odd Ratio. Uji hipotesis korelatif dilakukan dengan Uji Contingency Coeficient, Phi ? ? ?, Cramer rsquo;s V, dan Kendall rsquo;s Tau-b.Kesimpulan: Ditemukan hubungan antara terjadinya fraktur angulus mandibula dengan adanya impaksi molar 3 bawah mandibula dengan p = 0,01 p < 0,05 dengan Odd Ratio = 4,615; memiliki hubungan korelatif dengan p = 0,010 p < 0,05 dengan kekuatan r = 0,272 lemah . Tidak ditemukan hubungan bermakna antara fraktur angulus mandibula dengan posisi erupsi Suprabony,Infrabony p=0,375 p>0,05 . Tidak ditemukan hubungan bermakna antara fraktur angulus mandibula dengan kelas impaksi menurut Pell dan Gregory p=0,087, p>0,05 .Tidak ditemukan hubungan bermakna antara fraktur angulus mandibula dengan Jenis Kelamin p=0,763 p>0,05 . Tidak ditemukan hubungan bermakna antara fraktur angulus mandibula dengan Usia p=1,000 p>0,05. ABSTRACT
Background: Impacted third molar of mandibula have been studied to have a role in increasing mandible fracture especially in the mandibular angle region. Mandibular angle fractures are often the result of traffic accidents in Indonesia. People do not yet know the importance of odontectomy as a first step to prevent fracture of the mandibular angle.Objective: To determine whether there is association or correlation of the presence of angular fracture in the presence of lower third molar impaction.Materials and Methods: Medical records of patients with Oral and Maxillofacial Surgery of Tangerang District General Hospital during the period of January 2013-December 2017 were collected and obtained 41 people with mandibular angle fractures. Each sample identified an mandibular angle fracture, a lower third molar impaction, third molar impaction eruption position and an impaction class according to Pell and Gregory. The data were processed by Chi Square and Kolmogorov Smirnov, and Odd Ratio was determined. Test the correlative hypothesis with Contingency Coefficient, Phy ? ? ?, Cramer rsquo;s V, and Kendall Tau B test.Conclusion: There was found a association between the presence of mandibular angle fracture in the presence of mandibula lower 3 molar impaction with p = 0,01 p 0,05 . There was no significant association between mandibular angle fracture and Gender p = 0,763 p> 0,05 . There was no significant association between mandibular angle fracture and Age p = 1,000 p> 0,05

Abstrak :
Tujuan: Mengetahui perbedaan hasil interpretasi superimposisi maksila dan mandibula antara tiga metode superimposisi pada kelompok usia non-growing ≥ 20 tahun. Metode superimposisi maksila yang diteliti adalah pada area best fit, Björk dan Skieller, serta Springate. Sementara metode superimposisi mandibula yang diteliti adalah pada tepi bawah mandibula, Björk dan Skieller, serta Springate. Metode: Tracing dilakukan pada foto sebelum perawatan (T0) dengan membuat garis panduan sella-nasion (SN) dan garis N yang tegak lurus terhadap SN serta struktur anatomis pada regio maksila atau mandibula. Sedangkan pada foto setelah perawatan (T1), tracing dilakukan hanya pada struktur anatomis pada regio maksila dan mandibula saja. Kemudian hasil tracing setelah perawatan (T1) disuperimposisikan di atas hasiltracing sebelum perawatan (T0) berdasarkan berbagai metode superimposisi maksila atau mandibula. Setelah itu garis SN dan N pada tracing sebelum perawatan dipindahkan ke atas hasil tracing setelah perawatan. Terakhir, posisi titik referensi pada maksila (titik ANS, A, dan U1) atau mandibula (titik Pog, B, dan L1) diukur jarak koordinatnya secara vertikal dan horizontal ke garis SN dan N yang berperan sebagai sumbu x dan y. Hasil: Tidak terdapat perbedaan, baik dalam dimensi vertikal maupun horizontal, mengenai hasil interpretasi superimposisi maksila dan mandibula dengan tiga metode superimposisi yang diujikan pada kelompok usia non-growing ≥ 20 tahun. Kesimpulan: Evaluasi perawatan ortodontik pada pasien usia non-growing ≥ 20 tahun menggunakan berbagai metode superimposisi maksila dan mandibula menghasilkan hasil interpretasi yang sama, baik diukur dalam dimensi vertikal maupun horizontal. Sehingga pemilihan metode superimposisi maksila dan mandibula apapun pada pasiennon-growing tidak akan mempengaruhi hasil interpretasi evaluasi perawatan, selama metode superimposisi yang digunakan tetap memperhatikan struktur anatomis yang ada.

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Objectives: To compare the interpretation of maxillary and mandibular superimposition between three methods on ≥ 20-year-old non-growing patients. Three maxillary superimposition methods used during the study were best fit, Björk-Skieller, and Springate. Meanwhile for mandibular superimposition, the methods used during the study were inferior border of mandible, Björk-Skieller, and Springate. Method: Tracing was executed on pre-treatment cephalogram (T0) to construct sella-nasion (SN) line and N line which was perpendicular to SN, and also to construct anatomical structures on maxilla or mandible. Tracing at post-treatment cephalogram (T1) was executed on maxillary or mandibular anatomical structures only. Then cephalogram tracing at T1 was superimposed on T0 based on three different superimposition methods on maxilla or mandible. SN line and N line at T0 were then transferred into T1 tracing as a reference line of x and y axis. Hence, the position of maxillary reference points (ANS, A, and U1) or mandibular reference points (Pog, B, and L1) could be accounted vertically and horizontally to the x and y axis. Results: No statistical difference in vertical or horizontal dimention, regarding the interpretation of maxillary and mandibular superimposition between three methods on ≥20-year-old non-growing patients. Conclusion: Post orthodontic treatment evaluation on ≥ 20-year-old non-growing patients using varied maxillary and mandibular superimposition methods may result the same interpretation in vertical or horizontal dimention. Any maxillary or mandibular superimposition methods could be used on non-growing patients and may not affect interpretation on post treatment evaluation, as long as the used methods account any existing anatomical structures.

Abstrak :
Indonesian Journal of Dentistry 2006; Edisi Khusus KPPIKG XIV: 210-214 One of the impacts of traffic accident that is often seen by a dentist is mandible fracture. To prevent deformation of mandible because of a slow management, it is better to treat the fracture as soon as possible. The treatment can be done with an open/close reduction, depending on case. An immediate management of mandible fracture is very important to prevent malunion, malocclusion, and stomatoganathic dysfunction.

Abstrak :
Tujuan: Penelitian ini menganalisis hubungan faktor determinan terhadap densitas mandibula dan pengaruhnya terhadap penyembuhan luka ekstraksi. Metode: Penelitian pertama potong-lintang dengan wawancara, pemeriksaan klinis, radiologis dan laboratoris. Penelitian kedua kohort prospektif dengan pemeriksaan klinis dan radiologis. Hasil: Faktor determinan pada densitas mandibula adalah: lama menopause, kadar estradiol, kadar osteoprotegerin, dan polimorfisme gen OPG G1181C. Terdapat perbedaan bermakna penurunan tinggi soket antar densitas mandibula saat awal sampai delapan minggu pasca ekstraksi. Kesimpulan: Model dapat menjelaskan densitas mandibula sebesar 46,90%. Densitas mandibula berpengaruh terhadap penurunan tinggi soket pada penyembuhan luka ekstraksi saat awal sampai delapan minggu pasca ekstraksi.

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Objective: To analyze the correlation of mandible density determinant factors and its effect in extraction wound healing. Methods: First study was cross-sectional study by interview, clinical, radiology, and laboratory assessment. Second study was prospective cohort by clinical and radiology assessment. Results: Deteminant factors in mandible density are menopause length, estradiol, osteoprotegerin, and OPG (G1181C) gene polymorphism. There is significant difference between socket height levels in mandible density from the beginning until eight weeks after extraction. Conclusion: Model described mandible density 46.90%. Mandible density has effect on socket height levels in extraction wound healing from the beginning until eight weeks after extraction.

Abstrak :
ABSTRAK Jenis kelamin merupakan data penting dalam identifikasi individu. Salah satu metode penentuannya adalah analisis radiografis. Tujuan: Mengetahui nilai rerata pengukuran mandibula pada radiograf panoramik dalam menentukan jenis kelamin individu pada usia 14-35 tahun. Metode: Parameter yang diukur yaitu tinggi ramus, sudut gonial, lebar bigonial, tinggi ramus-kondil, tinggi ramus-koronoid, jarak maksimum ramus, jarak minimum ramus, dan indeks mentalis. Hasil: Terdapat perbedaan bermakna antara laki-laki dan perempuan pada tinggi ramus, lebar bigonial, tinggi ramus-kondil, tinggi ramus-koronoid, jarak maksimum ramus, dan jarak minimum ramus. Tidak terdapat perbedaan bermakna pada sudut gonial dan indeks mentalis. Kesimpulan: Enam parameter dapat menentukan jenis kelamin.

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ABSTRAK Background Sex is one important information for identification. One of the method is radiographic analysis. Objective To obtain mean value of mandible on panoramic radiograph to determine sex aged 14 35 years. Methods Mandible measurements available are ramus height, gonial angle, bigonial width, condylar ramus height, coronoid ramus height, maximum ramus breadth, minimum ramus breadth, and mental index. Result There are difference between both sex on ramus height, bigonial width, condylar ramus height, coronoid ramus height, maximum ramus height, minimum ramus height measurement and no difference from gonial angle and mental index. Conclusion Six parameters can be used to identify sex.

Abstrak :
Latar Belakang: Tulang mandibula merupakan tulang terkuat pada tengkorak yang mengalami perubahan sesuai usia. Pengukuran mandibula banyak dijadikan parameter terkait tumbuh kembang yang bermanfaat untuk berbagai bidang ilmu kedokteran gigi termasuk ortodonsi dan forensik. Tujuan: Mengetahui nilai pengukuran parameter mandibula pada radiograf panoramik sebagai data dasar untuk estimasi usia rentang 14-35 tahun dan 50-70 tahun. Metode: Pengukuran parameter mandibula pada 200 sampel radiograf panoramik digital usia 14-35 tahun dan 50-70 tahun. Hasil: Pengukuran parameter mandibula terhadap usia tidak berbeda bermakna secara statistik, namun cenderung mengalami peningkatan atau penurunan sesuai perubahan usia. Kesimpulan: Pengukuran parameter mandibula pada radiograf panoramik usia 14-35 tahun dan 50-70 belum dapat digunakan sebagai data dasar untuk estimasi usia.

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Background: Mandible is the strongest bone in skull and experience change with age. Mandibular parameters measurements are often used in relation with growth and development that are useful in dentistry including in orthodontics and forensic dentistry. Objective: To obtain the mandibular parameters value through panoramic radiograph as basic data in age estimation of 14 35 and 50 70 years old subjects. Method: Measurement of mandibular parameters on digital panoramic radiograph of 200 subjects at age 14 35 years and 50 70 years old. Results: The measurement of mandibular parameters are not statistically significant but tend to change according to age. Conclusion: Measurement of mandibular parameters in panoramic radiograph cannot be used as basic data for age estimation in 14 35 years old and 50 70 years old.

Abstrak :
ABSTRAK
Pertumbuhan tulang maksila dan mandibula merupakan suatu hal penting untuk diketahui dokter gigi karena dapat dijadikan sebagai panduan dalam menegakkan diagnosis dan menentukan rencana perawatan yang tepat. Tujuan: Mengetahui gambaran dan perbedaan panjang maksila dan mandibula pasien pria dan wanita pada maloklusi skeletal kelas I, kelas II, dan kelas III. Metode: Penelitian ini menggunakan 42 rekam medik dan sefalogram pasien berusia ge; 18 tahun. Pengukuran dilakukan dengan analisis McNamara. Hasil: Rerata panjang maksila dan mandibula untuk semua kelas maloklusi skeletal menunjukan pria lebih besar daripada wanita. Hasil uji T tidak berpasangan.

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ABSTRAK
Background The growth of maxillary and mandibular bone is an important thing to know the dentist because it can serve as a guide in establishing the diagnosis and determine the proper treatment plan. Objective to know description and differences between maxillary and mandibular length of male and female patients at skeletal malocclusion class I, class II and class III Methods This study used medical records and sefalogram 42 patients aged ge 18. Measurement performed with McNamara rsquo s Analysis. Results The mean length of the maxillary and mandibular for all classes of skeletal malocclusion showed greater men than women. Results unpaired t test.

Abstrak :
ABSTRAK
Latar Belakang: Kehilangan gigi dan trauma oklusi merupakan salah satu faktor pendukung penyebab penyakit periodontal. Belum ada penelitian mengenai analisis kehilangan gigi molar pertama mandibula terhadap trauma oklusi dan status periodontal di Indonesia. Tujuan: Memperoleh analisis kehilangan gigi molar pertama mandibula terhadap trauma oklusi dan status periodontal. Metode: Studi retrospektif menggunakan data sekunder dengan pendekatan potong lintang dari rekam medik Departemen Periodonsia RSKGM FKG UI periode 2012-2017. Hasil: Didapatkan 184 subjek yang mengalami kehilangan gigi molar pertama (M1) mandibula dengan jumlah kasus trauma oklusi terjadi pada 42 gigi premolar kedua (P2) mandibula dan 63 gigi molar kedua (M2) mandibula. Trauma oklusi yang terjadi pada P2 dan M2 mandibula memiliki nilai resesi gingiva, kedalaman poket, dan kehilangan perlekatan klinis yang lebih besar dibandingkan dengan keadaan tidak trauma oklusi. Terdapat perbedaan bermakna (p<0,05) nilai resesi gingiva, kedalaman poket, dan kehilangan perlekatan klinis antara gigi P2 mandibula trauma oklusi dengan tidak trauma oklusi. Terdapat perbedaan bermakna (p<0,05) nilai resesi gingiva dan kehilangan perlekatan klinis antara gigi M2 mandibula trauma oklusi dengan tidak trauma oklusi. Kesimpulan: Kehilangan gigi M1 mandibula dengan trauma oklusi berpengaruh terhadap resesi gingiva, kedalaman poket, dan kehilangan perlekatan klinis pada gigi P2 dan M2 mandibula.

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ABSTRACT
Background: Tooth loss and trauma from occlusion are kind of factors that contributing in periodontal disease. There has been no research on the analysis of mandibular first molar loss to trauma from occlusion and periodontal status in Indonesia. Objective: Get the analysis of mandibular first molar loss to trauma from occlusion and periodontal status. Method: A cross-sectional study using medical records in Department of Periodontics RSKGM FKG UI 2012-2017. Result: There were 184 subjects that had mandibular first molar (M1) loss with total 42 mandibular second premolar (P2) and 63 mandibular second molar (M2) cases related to trauma from occlusion (TFO). Gingival recession, pocket depth, and loss of attachment of P2 and M2 mandibular teeth with TFO were worse than non-TFO. There were statically significant differences (p<0,05) of gingival recession, pocket depth, and loss of attachment between P2 mandibular teeth with TFO and non-TFO groups. There were statically significant differences (p<0,05) of gingival recession and loss of attachment between M2 mandibular teeth with TFO and non-TFO groups. Conclusion:  Mandibular first molar loss with trauma from occlusion is related to gingival recession, pocket depth, and lost of attachment on mandibular second premolar and mandibular second molar.

Abstrak :
Impacted third mandibular molar seems as a common and easy case but actually a difficult one when the odontectomy proceeds. besides, another unpredicted problems ofte appear such as fractured lip, traumatized and damaged of the mandibular canal. To decide the odontectomy procedure, a dentist has to do the examination systematically. In this case, radiographic examination is very important to perceive the location as well as shape of the third molar, especially its position to the adjacent anatomic structure that has to be considered during operation. This whole view will help dentist to decide appropriate approach. A special radiographic examination enables dentist to predict the treatment result more accurately, since the location and shape of the tooth correctly perceived. With this more complete diagnostic information, an appropriate treatment plan could be arranged and unfavorable risk could be limited, therefore complication and failure could be avoided.