Hasil Pencarian  ::  Simpan CSV :: Kembali

"In orthodontic practice, orthodontist frequently face the patients with congenitally missing maxillary lateral incisors and mandibular second premolar. There are some treatment options for patients with congenitally missing second premolar such as keeping the deciduous second molar, extracting the molars and allowing space to close spontaneously, prosthetic replacement, autotransplantation and orthodontic space closure. Instead of treatment option for congenitally maxillary lateral incisor are orthodontic space opening for future restoration or orthodontic space closure using canines to replace missing maxillary lateral incisors. There are some factors must be consider before making a decision, such as the facial profile, dentoalveolar protrusion, the tooth size-arch length discrepancy, inclination and position of canine, dental esthetic of canines, occlusion, the dental relationship, patient’s age, the stage of development of the adjacent teeth and the condition of the deciduous predecessors with regard to root resorption and infracclusion. In this paper it will be discussed about the indications, advantages and disadvantages of both treatment modalities to help clinicians to cope with the malocclusion cases with congenital missing teeth. In this regard it needed teamwork among the orthodontist, prosthodontist, dental surgeon and restorative dentist to analyzing some factors related to individual patients and establishing overall treatment plans."

"It has been shown that more than 40 percent of the apical radiolucencies are radicular cyst, numerous endodontist claims that from 85 to 90 percent of apical lesions disappear or become reduced in size following conservative endodontic treatment and do not required surgical intervention. Maxillary anterior teeth are more frequently susceptible to trauma and there are numerous morphologic anomalies associated with maxillary incisors especially lateral incisors its call palato-radiocular groove (PRG), its caused non vital have been implicated in formation of periapical lesions. Periapical lesions can be cured by conventional endodontic treatment used Ca(OH)2 as an intracanal medication. One case with radicular cyst on the maxillary lateral incisors because of trauma 2 years ago will be presented. Fifteenth months during treatment showed that the cyst reduced in size and symptomless."

"A factor to pay attention to in orthodontic treatment is the inclination of upper and lower incisives. The inclination could be evaluated from interincisal angle and angle of upper incisive (UI) with cranium base (SN). This research is to evaluate those angles after the retraction of upper and lower incisives on malocclusion class I with bimaxillary prostrusion. In total, 34 samples were treated using edgewise system. The results show that mean for UI ? LI is 138.06°±1.47°, and for UI ? SN 95.97°±1.27°."

"Latar Belakang: Beberapa penelitian menyatakan bahwa perawatan ortodonti non ekstraksi pada kasus borderline menyebabkan perubahan inklinasi insisif atas dan bawah yang dapat mempengaruhi profil jaringan lunak pasien. Tujuan: Mengetahui korelasi perubahan inklinasi insisif atas dan bawah terhadap perubahan besar sudut Nasolabial dan sudut Mentolabial sebelum dan sesudah perawatan ortodonti non ekstraksi pada maloklusi kelas I. Metode: 26 sampel penelitian sefalometri lateral sebelum dan sesudah perawatan ortodonti non ekstraksi dilakukan penapakan dan pengukuran sudut I-SN, IMPA, sudut Nasolabial, dan sudut Mentolabial. Uji statistik menggunakan uji non parametrik Wilcoxon dan uji korelasi Spearman. Hasil: Tidak ada perbedaan yang bermakna pada sudut I-SN dan sudut Nasolabial sebelum dan sesudah perawatan namun, terdapat perbedaan yang bermakna pada IMPA dan sudut Mentolabial sebelum dan sesudah perawatan ortodonti. Uji korelasi menunjukkan terdapat korelasi negatif yang sangat lemah antara perubahan sudut I-SN terhadap perubahan sudut Nasolabial serta antara perubahan IMPA terhadap perubahan sudut Mentolabial. Kesimpulan: Penurunan sudut I-SN disertai peningkatan sudut Nasolabial, meskipun korelasinya sangat lemah. Peningkatan sudut IMPA disertai peningkatan sudut Mentolabial, juga mempunyai korelasi yang sangat lemah.

---

Background: Some studies showed that non-extraction orthodontic treatment in borderline cases led to upper and lower incisor inclination changes that affected patient’s soft tissue profile.

Objective: To find out the correlation between upper and lower incisor inclination changes towards Nasolabial angle and Mentolabial angle value changes before and after non-extraction orthodontic treatment in class I malocclusion.

Method: There were 26 samples before and after lateral cephalometric of orthodontic non extraction treatment with measurement of I-SN, IMP, Nasolabial, and Mentolabial angles. Statistical test was done using non parametric Wilcoxon test and Spearman correlation test.

Result: No significant difference in I-SN angle and Nasolabial angle before and after orthodontic treatment. However, there was a significant difference in IMP and Mentolabial angles before and after orthodontic treatment. Correlation test showed a very weak negative correlation between I-SN and IMP angle changes towards Nasolabial and Mentolabial angle changes.

Conclusion: The decrease of I-SN angle is followed by the increase of Nasolabial angle, although the correlation is very weak. The increase of IMP angle is followed by the increase of Mentolabial angle, which also has a very weak correlation."

"Penelitian in vitro ini bertujuan untuk mengetahui variasi morfologi gigi insisif, caninus, premolar dan molar pada penampang melintang 1/3 servikal, 1/3 tengah dan 1/3 apikal akar.Metode: Penelitian dengan desain observasi deskriptif ini menggunakan 128 gigi yang telah dicabut. Sampel ditandai dengan spidol permanen pada 1/3 servikal (garis batas CEJ), 1/3 tengah dan 1/3 apikal akar. Selanjutnya dilakukan pemotongan secara melintang menggunakan diamond disc dengan low speed straight hand piece pada 1/3 servikal. Saluran akar dipreparasi dengan file kemudian diirigasi dengan larutan NaOCl 2,5%. Setelah saluran akar bersih, dilanjutkan dengan pemotongan secara melintang pada 1/3 tengah dan 1/3 apikal akar. Penampang melintang yang mempunyai 2 saluran akar dipisahkan untuk kemudian dideteksi adanya isthmus dengan pengaplikasian methylene blue. Pengamatan dilakukan dengan stereomicroscope perbesaran 10x dengan digital camera.Hasil: 100% gigi anterior hanya memiliki 1 saluran akar dengan variasi bentuk oval, long oval dan bulat pada penampang melintangnya. 80% P1 atas memilki 2 saluran akar dan 100% gigi premolar bawah memiliki 1 saluran akar dengan dominasi bentuk oval, long oval dan bulat pada penampang melintangnya. Gigi molar mayoritas memiliki 3 saluran akar dan bentuk saluran akar bervariasi mulai dari oval, long oval, bulat dan flat/pipih. Isthmus ditemukan pada gigi P1 atas, P bawah, akar mesiobukal M1 atas, dan akar mesial molar bawah dengan berbagai tipe. Pada gigi molar 2 bawah ditemukan saluran akar berbentuk C (c-shaped) walaupun sangat sulit membedakan c-shaped dengan menyatunya 2 atau 3 saluran akar akibat berfusinya akar.Kesimpulan: Berbagai variasi morfologi saluran akar yang ditemukan pada potongan melintang 1/3 servikal, 1/3 tengah dan 1/3 apikal akar harus menjadi pertimbangan dalam melakukan perawatan saluran akar.

---

The purpose of this study was to assess the root canal morphological variations of insisive, caninus, premolar and molar using the cross section method.Methods: 128 extracted teeth were collected and stored in NaCl solution. The teeth were equally divided into a coronal, middle, and apical third. To divide it, the exact lengths of the root canals were determined. The root were resected using diamond disc with low speed straight hand piece. The resected root surface were polished, rinse and dried. The cross-sectional root surfaces that have two canals stained with methylene blue to investigate root canal isthmus classification. All the cross-sectional root surface examine using a stereomicroscope with digital camera.Results: 100% of the anterior teeth demonstrated a single canal, 80% of maxillary first premolar demonstrated two canals and 100% of mandibular molar had single canal. The shaped of canal was varied from oval, long oval or round in the coronal, middle and apical third. The molar teeth showed a high incidence of three root canals and the shaped more varied from oval, long oval, round or flat in the coronal, middle, and apical third. Isthmus frequently presence between two root canals within one root. It can observed in the maxillary first premolar, mandibular premolar, mesiobuccal roots of maxillary first molar and mesial roots of mandibular molar with different type. C-shaped mostly found in mandibular second molar. It may be difficult to distinguish between a C-shaped canal and a mandibular second molar with single or three canals joining apically.Conclussion: These root canal morphological variations should be considered during root canal treatment."

"Traumatic usually in children because falls and the treatment is moderate. Frequency of traumatic is 7-13% from all traumatic case in primary dentition. Avultion is one of its and the treatment is replantation. This treatment needs an accurate examination. The function of primary dentition is for bite, talk and estetics expecially for the children in the growth and development stage. In this case the patient is a girl 3 1/2 years old, with incisive central upper jaw avultion because of falls replantation is the choise treatment, replantation be done 4 hours after falls. The clinical result after 5 month is no luxation, and the radiographic interpretation is good bone healing in incisive central."

"The anterior teeth have the essential esthetics function , so when the trauma occur, the immediately treatment must be done to avoid its dysfunction. Andreas Jo reported in 1984 that 18 percent to 20 percent of traumatic injury in young permanent teeth caused the crown fractures with exposed pulps. This traumatic injury must be managed correctly to keep the pulp normal. Accurate examination and anamnesis must be done before treatment. The prompt treatment to relieve pain, to cover pulps from irritating material and maintain pulp vitality is neededOne alternative treatment for crown fracture with exposed pulp in young permanent is by using pulpotomy with calcium hydroxide. The function of calcium hydroxide is to maintain pulp vitality and stimulate reparative dentin and close the apex. Then, glass ionomer cement is used to support the pulp cap and then resin composite as temporary restoration to recover the function of mastication and esthetics, until the permanent restoration is made. In this case, ,the radiographic showed reparative dentin after four weeks of pulpotomy calcium hydroxide applied. So there was the fact that it took six month to make the apex is close from the beginning of treatment."

"ABSTRAKLatar Belakang: Gigi dengan saluran akar c-shape memiliki kompleksitas anatomi yang menjadikan perawatan saluran akar memiliki prognosis yang masih diperdebatkan akibat kesulitan untuk melakukan debridement dan obturasi yang adekuat. Kompleksitas ini mengakibatkan pengetahuan mengenai anatomi saluran akar c-shape penting untuk menunjang keberhasilan perawatan saluran akar. Tujuan: Mengetahui prevalensi dan variasi saluran akar c-shape pada gigi premolar pertama dan molar kedua rahang bawah. Metode: Penelitian menggunakan sampel 60 gigi premolar pertama dan 32 gigi molar kedua rahang bawah. Sampel dipindai menggunakan micro-CT Bruker SkyScan 1173 dengan resolusi 50 m. Pemotongan melintang untuk melihat bentuk saluran akar dilakukan menggunakan perangkat lunak DataViewer. Pengukuran sudut untuk menentukan klasifikasi c-shape dilakukan menggunakan perangkat lunak Fiji ImageJ. Hasil: Prevalensi c-shape pada gigi premolar pertama rahang bawah adalah 17 dengan prevalensi tipe C1 ditemukan paling besar pada tingkat pemotongan M, tipe C2 memiliki prevalensi terbesar pada AM, dan tipe C3 memiliki prevalensi terbesar pada tingkat pemotongan A 2. Tipe C4 mendominasi tingkat pemotongan CEJ-2 dan CM sedangkan tipe C5 hanya ditemukan pada tingkat pemotongan A 2. Prevalensi c-shape pada gigi molar kedua rahang bawah adalah 16,67 dengan klasifikasi yang paling banyak ditemukan pada kelima tingkat pemotongan adalah C1. Prevalensi konfigurasi tipe C2 terbesar ditemukan pada CM. Tipe C3 pada penelitian ini ditemukan pada tingkat O. Prevalensi tipe C4 paling besar ditemukan pada tingkat pemotongan A 2. Perubahan konfigurasi didapati terjadi sepanjang saluran akar. Kesimpulan: Prevalensi c-shape pada gigi premolar pertama rahang bawah adalah 17 sedangkan pada gigi molar kedua rahang bawah 16,67 . Terdapat variasi konfigurasi di sepanjang saluran akar.Kata kunci : c-shape, molar kedua rahang bawah, micro-CT, prevalensi, premolar pertama rahang bawah

---

ABSTRACTBackground A tooth with c shaped root canal has a complex anatomy, making root canal treatment prognosis questionable because of the difficulties in doing adequate debridement and obturation. This complexity also makes the knowledge about root canal anatomy important to improve endodontic treatment result. Objective The aim of this study is to know the prevalence and variation of c shaped canal in mandibular first premolars and second molars. Methods 60 mandibular first premolars and 32 mandibular second molars was scanned using micro CT Bruker SkyScan 1173 in 50 m resolution. Transverse sectioning of each tooth was performed using software DataViewer. Angle measurement for determining c shape classification was performed using software Fiji ImageJ. Result The Prevalence of c shaped canal in mandibular first premolars was 17 with type C1 most prevalence in M, type C2 in AM, and type C3 in A 2. Type C4 was the most common classification found in sectioning level CEJ 2 and CM while type C5 was only found in A 2. The Prevalence of c shaped canal in mandibular second molars was 16,67 with the most common classification found in five level of sectioning was C1. C2 was most prevalence in level CM, C3 was most prevalence in O and C4 was most prevalence in A 2. The alteration of configuration happened along the root canal. Conclusion The prevalence of c shape canal in mandibular first premolars was is 17 and in mandibular second molars was 16,67 with variation of root canal configuration happened along the root canal itself.Keywords c shape, mandibular second molar, mandibular first premolar, micro CT, prevalence"

"ABSTRAKBentuk oval pada sepertiga apikal saluran akar gigi premolar dua dan molar satu rahang atas serta molar satu rahang bawah seringkali tidak dapat terpreparasi dan dapat menyebabkan kegagalan. Tujuan: Mengetahui prevalensi variasi penampang melintang sepertiga apikal saluran akar gigi premolar dua dan molar satu rahang atas serta molar satu rahang bawah. Metode: Penelitian ini menggunakan 80 sampel gigi, di-scan menggunakan micro-CT Bruker SkyScan 1173. Masing-masing sepertiga apikal saluran akar dipotong dengan perangkat lunak DataViewer. Rasio diameter maksimum dan minimum dihitung dengan perangkat lunak Fiji ImageJ dan dikategorikan: bulat, oval, long oval, flat. Hasil: Prevalensi penampang melintang saluran akar premolar dua rahang atas, oval 66,7 , long oval 24,6 , flat 7 , bulat 1,7 . Molar satu rahang atas akar mesiobukal, oval 68,2 , long oval 22,7 , flat 9,1 ; distobukal, oval 94,1 , long oval 5,9 ; palatal oval 100 . Molar satu rahang bawah akar mesiobukal, long oval 47,4 , oval 36,8 , dan flat 15,8 ; mesiolingual oval 100 ; dan distal, oval 68,4 , long oval 21,1 , flat 10,5 . Kesimpulan: Penampang melintang oval pada sepertiga apikal saluran akar gigi premolar dua dan molar satu rahang atas serta molar satu rahang bawah ditemukan paling banyak, kecuali pada akar mesiobukal gigi molar satu rahang bawah ditemukan long oval 47,4 .

---

ABSTRACTOval shaped in apical one third maxillary second premolars, maxillary first molars, and mandibular first molars often can rsquo t be cleaned and shaped, and could cause failure in the process. Objective To know the prevalence variation of apical one third cross section in root canals of maxillary second premolars, maxillary first molars, and mandibular first molars. Methods This research used 80 tooth samples, were scanned using micro CT Bruker SkyScan 1173. Each of apical one third root canal were sectioned using DataViewer software. Maximum and minimum diameter ratio was calculated using the Fiji ImageJ software and categorized round, oval, long oval, and flat. Results Prevalence of apical one third root canal cross section shape in maxillary second premolar, oval 66,7 , long oval 24,6 , flat 7 , round 1,7 . Maxillary first molar mesiobuccal root, oval 68,2 , long oval 22,7 , flat 9,1 distobuccal, oval 94,1 , long oval 5,9 and palatal oval 100 . Mandibular first molar mesiobuccal root, long oval 47,4 , oval 36,8 , flat 15,8 mesiolingual oval 100 and distal, oval 68,4 , long oval 21,1 , flat 10,5 . Conclusion Oval shape in cross section of apical one third in root canals of maxillary second premolars, maxillary first molars, and mandibular first molars were most found, except in mesiobuccal root in mandibular first molar was found long oval 47,4 . "

"Kehilangan gigi Molar pertama bawah memiliki prevalensi yang cukup tinggi. Hal ini dikarenakan gigi Molar pertama bawah merupakan gigi tetap yang pertama kali erupsi sekitar umur 6 - 7 tahun sehingga jika dilihat dari jangka waktu penggunaan, gigi ini adalah gigi yang paling sering rusak karena karies ( 70% ) dan paling sering direstorasi. Salah satu dampak dari pencabutan gigi Molar pertama bawah yang akan diteliti adalah migrasi dari gigi tetangga yaitu terjadinya pergerakan gigi Premolar kedua bawah. Pergerakan ini terdiri dari kemiringan ke arah distal dan rotasi gigi Premolar kedua bawah. Kemiringan gigi ke arah distal dan rotasi adalah suatu istilah yang digunakan baik untuk fenomena fisiologis migrasi gigi-geligi maupun untuk kejadian dimana terdapat kehilangan gigi dan terjadi pergerakan ke arah diastema tersebut.Tujuan penelitian ini adalah untuk mengetahui hubungan antara lama kehilangan gigi Molar pertama bawah terhadap pergerakan gigi Premolar kedua bawah. Penelitian ini menggunakan enam belas model studi dan kuesioner dari mahasiswa FKG UI angkatan 2003 - 2007 dengan sembilan belas kasus pergerakan gigi Premolar kedua bawah yang memenuhi kriteria penelitian. Analisis statistik secara univariat berupa distribusi frekuensi dari variabel usia, lama kehilangan gigi Molar pertama bawah, nilai rotasi dan kemiringan gigi Premolar kedua bawah; serta uji bivariat Pearson. Hasil menunjukkan bahwa tidak terdapat hubungan antara lama kehilangan gigi Molar pertama bawah dengan pergerakan gigi Premolar kedua bawah. Nilai p yang didapat pada hasil penelitian menunjukkan korelasi tidak bermakna dengan kekuatan korelasi sedang (p > 0,05).Kesimpulan: Pada penelitian ini belum dapat dibuktikan adanya hubungan antara lama kehilangan gigi Molar pertama bawah dengan nilai pergerakan gigi Premolar kedua bawah pada mahasiswa FKG UI angkatan 2003-2007.

---

The loss of lower first Molar has a quite high prevalence. It is because the lower first molar is the first permanent teeth that erupt in age 6-7. Therefore from the duration, this tooth is the most often damaged teeth because of caries (70%) and most often restored. One of the impacts from the lower first Molar extraction that is going to be researched is adjacent tooth migration that is movement of lower second Premolar. This movement consists of distal tipping and rotation of lower second Premolar. Distal tipping and rotation is a term that is used for physiologic migration phenomenon of teeth and also for a condition where there is loss of tooth and a movement to the diastema occurred.

The purpose of this research is to identify the relationship between missing period of lower first Molar with the movement of lower second Premolar. Sixteen study models with nineteen cases of lower second Premolar movement and questioners which fulfill the criteria were taken from Dental Student of Faculty of Dentistry - University of Indonesia Class 2003-2007 as the sample. Univariate statistical analysis includes age, missing period of lower first Molar, the degree of distal tipping and rotation of lower second Premolar was done in the form of distribution of frequency. The bivariate statistical analysis was done using the Pearson?s correlation method. The result showed that there was no relationship between missing period of lower first Molar and the movement of lower second Premolar ( p > 0.05 ).

It was concluded that the relationship between missing period of lower first molar and movement of lower second Premolar on college student of faculty of Dentistry University of Indonesia couldn?t have been proven yet."