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"Indonesian Journal of Dentistry 2006; Edisi Khusus KPPIKG XIV: 421-426Temporomandibular joint disorder may be caused by variety of factors; one of which is the posture of head and neck. However, the remains controversial and a subject of debate by experts. The objective of this study was to know whether there was a relation between temporomandibular disorders and the head and neck posture seen radiographically. Subject were 40 dental students from University of Indonesia who met the inclusion criteria, selected through questionnaire, and subjective examinations based on Helkimo's dysfuction index. Then, lateral cephalometries radiographic were done to all subjects. In the radiogram, a horizontal line was made from the nasion point to the sella tursica, and a vertical line was drawn along the prominent bone of C1 - C5. The angle between the two lines was measured, and used to represent the head and neck posture. The design of the study was cross sectional. Based on statistical analysis, there was no significant relationship between the anamnestic dysfunction index as well as the clinical dysfunction index that represented the temporomandibular joint disorders and the posture of head and neck seen radiographically."

"Temporomandibular disorder (TMD) usually has non-specific signs and symptoms. The patient generally can only feel the pain, and thus complains about the stomatognatic problems without knowing the cause and the source. When the patient's chied compaint is pain, it is important to identify the source of the problem in order to provide appropriate treatment. Applied treatments for TMD can vary enormously. A female patient, age 35, came to the prosthodontic clinic with the chief complaints of pain in the right joint and limitation in mouth opening for past 7 years. In the last 2 weeks, the complaints worsened. With light pressure she could still open her mouth wider but showing deviations. She also complained about headache, tension in the forehead region, and muscle pain in the upper back body. The patient also reported that she has been chewing only on the right side for more than 20 years. Lateral transcranial x-ray showed that there were no visible structural or positional disorders. Thus, jaw exercise was decided as the initial therapy for the patient. WIthin one week, all complaints dissapeared. It was concluded that jaw exercise was a very useful form of treatment for TMD provided that the correct diagnosis is established."

"Indonesian Journal of Dentistry 2006; Edisi Khusus KPPIKG XIV: 155-158The causes of TMD are complex and multifactorial, therefore the management should be done by several disciplines. ln this report, a 27-year-old man came to the teaching hospital of the University of Indonesia Faculty of Dentistry's Prosthodontic Department complaining about clicking sound and pain around his right joint. He received orthodontic treatment 9 years ago with removable appliance at a private practice and had 4 premolar extraction. The patient's face looked asymmetric, with a low vertical dimension, a Class II occlusion, and an anterior deep bite. Besides that, he clenched his teeth during emotional stress. Lateral tanscranial photo showed that the position of the left condyle was relatively normal or slightly anterior, and the right condyle was in the superoposterior position in the fossa with an abnormal shape. To solve this problem, the patient was referred to the Orthodontic Deparment to get a correct vertical dimension and normal anterior overbite. After 6 years, the patient was again referred to the prosthodontic Department, but the result was not successful. In order to get the right vertical dimension, an occlusal splint was fabricated to achieve a comfort jaw relation. In this position, the overbite was 2 mm, but space between the upper and lower posterior teeth was 5 mm. In this situation, full veneer crowns were not impossible to fabricate. Finally, to maintain this comfort position, the patient was suggested to wear the occlusal splint and come regularly for control every 6 months."

"ABSTRAKPada saat menyanyi, setiap penyanyi memiliki kebiasaan atau ciri tertentu, misalnyaduduk, memiringkan kepala ke satu sisi, dll yang dapat disebabkan karena rasanyaman atau karena ada gangguan. Kebiasaan atau ciri menyanyi yang disebabkanadanya gangguan dapat mengakibatkan perubahan pada postur kranioservikalsehingga terjadi hiperaktifitas otot-otot mastikasi yang dapat merupakan salah satuetiologi terjadinya gangguan sendi temporomandibula. Gangguan senditemporomandibula atau temporomandibular disorder (TMD) merupakan hal yangsering dijumpai di masyarakat. Etiologi TMD bersifat multifaktorial antara lain posturkranioservikal yang kurang baik, gangguan otot, dll. Penelitian ini bertujuanmenganalisis hubungan antara postur kranioservikal dan durasi menyanyi padapenyanyi terhadap terjadinya TMD. Desain penelitian adalah analitik observasionalcase-control terhadap 40 penyanyi yang mengalami keluhan TMD. Diagnosis TMDditegakkan dengan Research Diagnostic Criteria for Temporomandibular Disorders(RDC), sedangkan analisis postur kranioservikal digunakan radiografi sefalometriuntuk memperoleh sudut NSL/OPT. Dengani RDC, 24 penyanyi termasuk dalamkategori TMD, dan 16 penyanyi non TMD. Hasil penelitian menunjukkan tidakterdapat perbedaan postur kranioservikal antara penyanyi dengan TMD dan nonTMD dengan nilai p = 0,084. Namun terdapat hubungan yang bermakna antaradurasi menyanyi dan TMD pada penyanyi dengan nilai p = 0,000. Semakin panjangdurasi menyanyi dalam satu hari, semakin besar kemungkinan penyanyi mengalamigangguan sendi temporomandibula.

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ABSTRACTWhile singing, every singer has a different style, like singing while sitting, singingwhile tilting head to one side, etc. These behaviors, whether caused by habit ordiscomfort, may change craniocervical posture, which then may trigger masticationmuscles hyperactivity. This is one possible etiology for temporomandibular disorder.Temporomandibular Disorder (TMD) is a common disorder caused by a variety offactors such as bad craniocervical posture, or muscle disorder, etc. The purpose ofthis study was to analyze the relationships among TMD, craniocervical posture, andduration of singing. This observational case-control study was done with 40 singerswith TMD symptoms. TMD was diagnosed based on Research Diagnostic Criteria forTemporomandibular Disorders (RDC). Radiographic cephalometry was taken forcraniocervical posture analysis of NSL/OPT angle. By RDC, the singers wereclassified to 24 singers with TMD and 16 singers without TMD. This study found nodifference for craniocervical posture in singers with TMD and without TMD (p =0,084). However, there was a significant relationship between duration of singingand TMD (p = 0,000). The longer the duration of singing in a day, the bigger thelikelihood to develop TMD."

"Latar Belakang: Adanya perubahan pada metode pembelajaran akibat Covid-19 meningkatkan waktu yang dihabiskan untuk menatap layar (screen-time) yang berpotensi mengganggu kualitas tidur mahasiswa kedokteran gigi yang sebelum pandemi ini telah dilaporkan memiliki persentase kualitas tidur buruk yang cukup tinggi. Bedasarkan penelitian sebelumnya, kualitas tidur yang buruk juga dikaitkan dengan insidens TMD. Tujuan: Menganalisis hubungan antara kualitas tidur dengan TMD pada mahasiswa kedokteran gigi selama pandemi Covid-19. Penelitian ini juga bertujuan untuk menganalisis pengaruh jenis kelamin dan screen-time terhadap kualitas tidur dan TMD. Metode: Penelitian ini menggunakan desain potong lintang pada 110 mahasiswa Program Pendidikan Kedokteran Gigi dan Program Profesi Dokter Gigi Fakultas Kedokteran Gigi Universitas Indonesia. Pengambilan data dilakukan dengan pengisian kuesioner Pittsburgh Sleep Quality Index (PSQI) dan Indeks Diagnostik – Temporomandibular Disorder (ID-TMD) secara daring melalui google form. Hasil Penelitian: Uji Chi-Square menujukkan kualitas tidur memiliki hubungan bermakna dengan TMD pada mahasiswa kedokteran gigi selama pandemi Covid-19 (p=0.035). Hubungan yang bermakna juga ditunjukkan antara screen-time dengan kualitas tidur (p=0.027), namun tidak dengan TMD (p=0.489). Jenis kelamin juga tidak memiliki hubungan bermakna, baik dengan kualitas tidur (p=0.974) maupun TMD (p=0.902). Kesimpulan: Terdapat hubungan antara kualitas tidur dengan TMD pada mahasiswa kedokteran gigi selama pandemi Covid-19.Terdapat pula hubungan antara screen-time dengan kualitas tidur. Namun tidak terdapat hubungan antara screen-time dengan TMD, serta jenis kelamin dengan kualitas tidur maupun TMD.

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Background: Changes in learning methods and increased screen-time due to Covid-19 pandemic may lead dental students to poor sleep quality. Based on previous studies, poor sleep quality also associated with the incidence of TMD. Objectives: The aim of this study is to analyze the relationship between sleep quality and TMD in dental students during Covid-19 pandemic. This study also aims to analyze the influence of gender and screen-time to sleep quality and TMD. Method: Cross-sectional study was conducted on 110 pre-clinical and clinical year students of Faculty of Dentistry, Universitas Indonesia. Sleep quality was evaluated using Pittsburgh Sleep Quality Index (PSQI) questionnaire and TMD was evaluated using Indeks Diagnostik – Temporomandibular Disorder (ID-TMD) questionnaire. Retrieval of data using questionnaires distributed and collected online. Result: The result of Chi-Square test showing there is relationship between sleep quality and TMD in dental students during Covid-19 pandemic (p=0.035). Significant relationship was also showed between screen-time and sleep quality (p=0.027), but not with TMD (p=0.489). There is no relationship between gender and sleep quality (p=0.974) as well as TMD (p=0.902). Conclusion: This study shows that there is relationship between sleep quality and TMD in dental students during Covid-19 Pandemic. Significant relationship was also found between screen-time and sleep quality. However, no relationship was found between screen-time and TMD along with gender and sleep quality as well as TMD."

"Since the temporomandibular joints are components of the stomatognathic system that dentist is most familiar with problems relating to this joints must be recognized, understood and treated by dentists. A comprehensive evaluation of this joint problems must include the radiographic examination. Transcranio lateral is the most commonly used of all conventional TMJ radiographic projection from the lateral aspect that shows the condyle, fossa and eminence as well as the condylar fossa relationship in selected functional movements, but which is not free from superimposed of the adjacent structures. A modified positioning device has been developed over this past years to overcome these superinposition problems. The use of "Condy ray" and "Accurad 200" apparatus that have some advantages over the standard transcraniolateral radiographic projection will be discussed in this paper."

"Indonesia Journal of Dentistry 2006; Edisi Khusus KPPIKG XIV: 308-311The temporomandibular join has a very important role in the stomatognathic system. It's main function is for the opening and closing movement, mastication, and speech. It is located anterior to the ear. The temporomandibular joint connects maxilla and mandible through the articular fossa, hence the slightest change that happens would cause serious matters such as pain, eating, speech disorder, difficulty in opening and closing movement, headache, and event trismus. In a child or an adolescent, the symptoms are often vague; everything is interpreted as "pain". This is probably why temporomandibular disorder are often undetect by dentists. Therefore, patience and accuracy is needed to determine the actual disorder through means of clinical and radiographic examination. The radiographic examination suitable for child is the transcranial projection. This projection is believed to be more accurate amongst other projections for child patients."

"Latar Belakang: Prevalensi kecemasan pada mahasiswa lebih tinggi dibandingkan pada populasi umum. Hal ini dipengaruhi oleh beberapa faktor, antara lain faktor akademis, status sosioekonomi, faktor budaya, moral, psikologis, dan biologis. Tingginya tingkat kecemasan juga meningkatkan risiko terjadinya gangguan sendi temporomandibula pada mahasiswa.Tujuan: Mengetahui hubungan antara kecemasan dan gangguan sendi temporomandibula pada mahasiswa, serta mengetahui hubungan antara jenis kelamin, status sosioekonomi (tingkat pendidikan orang tua dan jumlah pendapatan keluarga), dan faktor budaya (asal daerah) dengan kecemasan dan gangguan sendi temporomandibula pada mahasiswa.Metode: Studi dengan desain cross-sectional berupa kuesioner online, yang disebarkan pada bulan November 2021 kepada mahasiswa Universitas Indonesia dengan jumlah responden 527 mahasiswa. Kuesioner yang diberikan merupakan State-Trait Anxiety Inventory yang terdiri dari 2 bagian dengan total 40 pertanyaan dan berfungsi untuk mengukur kecemasan, serta Temporomandibular Disorder Diagnostic Index (TMD-DI) yang berjumlah 8 pertanyaan dan digunakan untuk mengukur gangguan sendi temporomandibula.Hasil Penelitian: Uji chi-square menunjukkan adanya perbedaan bermakna (p<0.05) kecemasan, baik A-State maupun A-Trait, terhadap gangguan sendi temporomandibula. Uji korelasi kendall menunjukkan kecemasan, baik A-State maupun A-Trait, memiliki korelasi bermakna yang bersifat positif dan lemah terhadap gangguan sendi temporomandibula. Uji chi-square menunjukkan adanya perbedaan bermakna (p<0.05) jenis kelamin terhadap kecemasan,baik A-State maupun A-Trait. Kemudian, uji korelasi kendall menunjukkan jenis kelamin memiliki korelasi bermakna secara statistik terhadap kecemasan. Namun, uji continuity correctionmenunjukkan tidak adanya perbedaan bermakna (p 0.05) jenis kelamin terhadap gangguan sendi temporomandibula. Uji chi-square juga menunjukkan tidak terdapat perbedaan bermakna (p 0.05) status sosioekonomi (tingkat pendidikan orang tua dan jumlah pendapatan keluarga) dan faktor budaya (asal daerah) terhadap kecemasan dan gangguan sendi temporomandibula. Kesimpulan: Terdapat hubungan antara kecemasan, baik A-State maupun A-Trait, dengan gangguan sendi temporomandibula pada mahasiswa. Terdapat pula hubungan antara jenis kelamin dengan kecemasan, baik A-State maupun A-Trait, pada mahasiswa. Namun, tidak terdapat hubungan antara jenis kelamin dengan gangguan sendi temporomandibula, serta status sosioekonomi (tingkat pendidikan orang tua dan jumlah pendapatan keluarga) dan faktor budaya (asal daerah) dengan kecemasan, baik A-State maupun A-Trait, dan gangguan sendi temporomandibula pada mahasiswa.

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Background: The prevalence of anxiety in college students are higher than in general population. This can be influenced by several factors, including academic, socioeconomic status, cultural, moral, and also biological factors. The high level of anxiety also increases the risk of temporomandibular disorder in college students.

Objective: This study aims to find out the association between anxiety and temporomandibular disorder, and also find out the association between gender, socioeconomic status (parental education and monthly family income), and cultural factor (origin) with anxiety and temporomandibular disorder in college students.

Methods: A cross-sectional study using online questionnaire of 527 students from University of Indonesia, that conducted on November 2021. There are two given questionnaires, State-Trait Anxiety Inventory that consisted of two part and 40 questions in total to assess anxiety, and Temporomandibular Disorder Diagnostic Index that consisted of 8 questions tao assess temporomandibular disorder.

Result: The chi-square test showed that there was a statistically significant difference (p<0.05) of temporomandibular disorder based on anxiety, either A-State or A-Trait. The kendall correlation test showed that temporomandibular disorder, have positive and weak statistically significant correlation to anxiety, either A-State or A-Trait. The chi-square test showed that there was a statistically significant difference (p<0.05) of anxiety, either A-State or A-Trait, based on gender. The kendall correlation test also showed that gender, have positive and weak statistically significant correlation to anxiety, either A-State or A-Trait. However, the continuity correction test showed that there was no statistically significant difference (p 0.05) of temporomandibular disorder based on gender. The chi-square test also showed that there was no statistically significant difference (p 0.05) of anxiety, either A-State and A-Trait, and temporomandibular disorder based on socioeconomic status (parental education and monthly family income) and cultural factor (origin).

Conclusion: There was an association between anxiety, either A-State or A-Trait, and temporomandibular disorder, as well as gender and anxiety, either A-State or A-Trait, in college students. However, no association was found between gender and temporomandibular disorder, as well as socioeconomic status (parental education and monthly family income) and cultural factor (origin) with anxiety,either A-State or A-Trait, and temporomandibular disorder in college students. "

"Latar Belakang: Gangguan sendi temporomandibula memiliki etiologi yang kompleks dan multifaktorial, salah satunya adalah stres. Pada masa pandemi COVID-19 stres mahasiswa meningkat karena adanya perubahan sistem pembelajaran dari tatap muka menjadi daring. Penelitian mengenai hubungan stres mahasiswa selama pembelajaran daring dengan gangguan sendi temporomandibula belum pernah dikaji sebelumnya.Tujuan: Mengetahui hubungan antara stres mahasiswa selama pembelajaran daring dengan gangguan sendi temporomandibula, mengetahui hubungan gangguan sendi temporomandibula dengan jenis kelamin selama pembelajaran daring, dan mengetahui hubungan antara gangguan sendi temporomandibula dengan durasi, dan frekuensi pembelajaran daring.Metode: Desain penelitian ini adalah penelitian potong lintang yang dilakukan pada 351 mahasiswa Universitas Indonesia. Partisipan penelitian diberikan dua buah kuesioner, yaitu Perceived Stress Scale (PSS) versi bahasa Indonesia untuk mengukur stres dan Temporomandibular Disorders Diagnostic Index (TMD-DI) untuk mengukur gangguan sendi temporomandibula.Hasil Penelitian: Uji Mann-Whitney menunjukkan terdapat hubungan antara stres mahasiswa selama pembelajaran daring dengan gangguan sendi temporomandibula (p<0.05). Uji Chi-square menunjukkan tidak terdapat hubungan antara gangguan sendi temporomandibula dengan jenis kelamin selama pembelajaran daring (p>0.05). Uji Chi-square menunjukkan bahwa tidak terdapat hubungan antara gangguan sendi temporomandibula dengan durasi dan frekuensi pembelajaran daring (p>0.05).Kesimpulan: Terdapat hubungan antara stres mahasiswa selama pembelajaran daring dengan gangguan sendi temporomandibula.

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Background: Temporomandibular disorders has complex and multifactorial etiology, particularly stress. During pandemic COVID-19 student stress has increased by changes in learning system from face-to-face into e-learning. The study to analyze the relationship between student stress during e-learning and temporomandibular disorders never been conducted.

Objectives: This study aimed to assess the relationship of student stress during e-learning and temporomandibular disorders, analyze the relationship between temporomandibular disorders and gender during e-learning, and analyze the relationship between temporomandibular disorders with duration and frequency of e-learning.

Methods: The number of 351 students of Universitas Indonesia participated in this cross- sectional study. Each participant is given two questionnaires. Perceived Stress Scale (PSS) Indonesian version to assess stress and TMD-DI to assess temporomandibular disorders.

Result: The Mann-Whitney test showed there was a relationship between student stress during e-learning learning and temporomandibular disorders (p<0.05). Chi- square test showed there was no relationship between temporomandibular disorders and gender during e-learning (p>0.05). Chi-square test showed there was no relationship between temporomandibular disorders with duration and frequency of e-learning (p> 0.05).

Conclusions: There was a relationship between student stress during e-learning and temporomandibular disorders."