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Abstrak :
Latar belakang : Kehilangan gigi merupakan salah satu keadaan yang sering ditemukan pada kesehatan gigi dan mulut. Meskipun memiliki efek yang signifikan terhadap kesehatan secara menyeluruh, masih banyak masyarakat yang tidak mengatasi permasalahan kehilangan gigi dengan gigi tiruan. Contoh faktor yang menimbulkan kurangnya perawatan gigi tiruan, yaitu persepsi masyarakat terhadap perawatan gigi tiruan dan alasan finansial. Persepsi individu terhadap pemilihan rencana perawatan gigi merupakan keputusan yang sangat penting berdasarkan pengetahuan, kesadaran, dan motivasi. Persepsi dapat dipengaruhi oleh tingkat pendidikan, finansial, dan faktor sosiodemografis. Keadaan finansial merupakan salah satu faktor utama di negara berkembang untuk mencari perawatan. Hal ini dikarenakan biaya perawatan gigi tiruan yang cukup mahal sehingga banyak yang memilih perawatan gigi tiruan lepasan dikarenakan biayanya relative murah dibandingkan dengan perawatan gigi tiruan lainnya. Faktor finansial berhubungan erat dengan kesediaan untuk membayar perawatan (willingness to pay/WTP). Tujuan : Mengetahui hubungan persepsi masyarakat dengan kesediaan membayar perawatan gigi tiruan lepasan. Selain itu, dilakukan juga analisis deskriptif keadaan sosiodemografis dan keadaan ekonomi masyarakat. Metode : Penelitian ini dilakukan dengan desain potong lintang pada 274 orang yang berusia 18 tahun ke atas yang mengalami kehilangan gigi (bukan karena pencabutan molar 3 ataupun alasan perawatan ortodonti). Kuesioner yang digunakan adalah persepsi masyarakat terhadap perawatan gigi tiruan dan untuk menentukan kesediaan membayar, menggunakan pertanyaan hipotetika, discrete choice, dan open-ended question. Analisis statistik yang digunakan adalah Uji Chi-Square, Uji Kruskal Wallis, dan Uji Mann Whitney. Hasil Penelitan : Karakteristik demografis pada responden penelitian yang kehilangan gigi adalah perempuan (63,1%), berusia 35-54 tahun (42,7%), berpendidikan terakhir di perguruan tinggi (83,2%), dan memiliki jarak terdekat ke fasilitas kesehatan gigi terdekat dengan jarak 1-5 km (56,6%). Berdasarkan uji Chi-Square, tidak terdapat hubungan persepsi masyarakat dengan keputusan pemakaian gigi tiruan (domain tujuan (p=0,331), domain manfaat (p=0,579), dan domain prosedur (p=0,654), terdapat hubungan pendapatan dengan kesediaan membayar (p=0,014), terdapat hubungan pendidikan dengan kesediaan membayar (p=0,002), dan terdapat hubungan kesediaan membayar dengan keputusan pemakaian gigi tiruan (p=0,000). Kesimpulan : Terdapat hubungan kesediaan membayar dengan perawatan gigi tiruan namun tidak terdapat hubungan persepsi masyarakat dengan perawatan gigi tiruan. ......Background: Tooth loss is a condition that is often found in dental and oral health. Even though it has a significant effect on overall health, there are still many people who do not overcome the problem of tooth loss with dentures. Examples of factors that lead to a lack of use of dentures are people's perceptions of denture treatment and financial reasons. Individual perception of the choice of treatment plan is a very important decision based on knowledge, awareness, and motivation. Perceptions can be influenced by educational level, financial, and sociodemographic factors. Financial situation is one of the main factors in developing countries to seek treatment. This is because the cost of denture treatment is quite expensive. This is because the cost of denture care is quite expensive, so many choose removable denture treatment because the cost is relatively cheap compared to other denture treatments. The financial factor is closely related to the willingness to pay for treatment (willingness to pay/WTP). Objective: To study the relationship between public perception and willingness to pay (WTP) for removable denture treatment. In addition, an analysis of the sociodemographic and economic conditions of the community was also carried out. Methods : This study was conducted with a cross-sectional design on 274 people aged 18 years and over and had missing teeth (not due to third molar extraction or reasons for orthodontic treatment). The questionnaire used is public perception of denture treatment and to determine willingness to pay, using hypothetical questions, discrete choice, and open-ended questions. The statistical analysis used was the Chi-Square Test, the Kruskal Wallis Test, and the Mann Whitney Test. Result: Demographic characteristics of the research respondents who lost their teeth were women (63.1%), aged 35-54 years (42.7%), graduated from university (83.2%), and had the closest distance to the nearest dental health facility with a distance of 1-5 km (56.6%). Based on the Chi-Square test, there is no relationship between public perception and the decision to use dentures (objective domain (p=0.331), benefits domain (p=0.579), and procedure domain (p=0.654), there is a relationship between income and willingness to pay (p =0.014), there is a relationship between education and willingness to pay (p=0.002), and there is a relationship between willingness to pay and the decision to use dentures (p=0.000). Conclusion: There is a relationship between willingness to pay and removable denture treatment but there is no relationship between public perception and denture treatment.

Abstrak :
Latar Belakang: Kehilangan gigi merupakan masalah yang sering ditemukan pada lanjut usia (lansia) dan berdampak buruk pada sistem fungsional, struktur anatomi, estetika, emosional, dan sosial. Dokter gigi perlu merekomendasikan perawatan prostodontik untuk merehabilitasi kondisi tersebut, namun kebutuhan perawatan gigi tiruan dikalangan lansia masih sangat terbatas. Dalam kebutuhan perawatan, keadaan sosiodemografi (usia, jenis kelamin, tingkat pendidikan) dan jumlah kehilangan gigi dapat memengaruhi prosesnya. Tujuan: Mengetahui gambaran dan menganalisis hubungan kebutuhan perawatan prostodontik pada pasien lansia berdasarkan keadaan sosiodemografi (usia, jenis kelamin, tingkat pendidikan) dan jumlah kehilangan gigi. Metode: Studi analitik observasional dengan desain cross sectional dan menggunakan data sekunder dari rekam medik pasien baru yang datang pada bulan Januari – November 2022. Rekam medik yang digunakan adalah rekam medik konvensional dan digital dengan dengan teknik pengambilan consecutive sampling. Hasil Penelitian: Distribusi frekuensi kebutuhan perawatan prostodontik didominasi oleh kelompok usia 60-69 tahun (56.9%), perempuan (58.8%), tingkat pendidikan Perguruan Tinggi (PT) dan Sekolah Menengah Atas (SMA) (39.2%), jumlah kehilangan gigi sebanyak gigi (74.5%), dan jenis perawatan yang paling banyak dibutuhkan yaitu Gigi Tiruan Lengkap (GTL) (54.9%). Uji chi-square menunjukkan adanya hubungan antara jumlah kehilangan gigi dengan kebutuhan perawatan Gigi Tiruan Jembatan (GTJ), Gigi Tiruan Sebagian (GTS), dan GTL (p=0.000) serta terdapat hubungan antara tingkat pendidikan dengan kebutuhan perawatan GTL (p=0.017). Namun, tidak terdapat hubungan antara usia dan jenis kelamin dengan kebutuhan perawatan GTJ, GTS, dan GTL (p 0.05). Kesimpulan: Penelitian ini menunjukkan adanya hubungan kebutuhan perawatan prostodontik dengan tingkat pendidikan dan jumlah kehilangan gigi pada pasien lansia di RSKGM FKG UI. ......Background: Tooth loss is a problem that is often found in the elderly and has a negative impact on functional systems, anatomical structures, aesthetics, emotional and social. The dentists will recommend prosthodontic treatment to rehabilitate this condition, but the need for denture treatment among the elderly is still limited. In terms of treatment needs, sociodemographic (age, gender, level of education) and the number of missing teeth can influence the process. Objective: Knowing the description and analyzing the relationship between the need for prosthodontic treatment in elderly patients based on sociodemographic conditions (age, gender, level of education) and the number of missing teeth. Methods: Observational analytic study with cross-sectional design and using secondary data from the medical records of new patients who arrived in January – November 2022. The medical records used were conventional and digital medical records with consecutive sampling technique. Result: The frequency distribution of the need for prosthodontic treatment was dominated by the age group 60-69 years (56.9%), women (58.8%), higher education level and senior high school (39.2%), the number of missing teeth was >6 teeth (74.5%), and the type of treatment most needed is complete denture (54.9%). The chi-square test showed that there is a relationship between the number of missing teeth and the need for fixed partial denture, removable partial denture, and complete denture treatment (p=0.000) and there is a relationship between education level and complete denture treatment needs (p=0.017). However, there is no relationship between age and gender with the need for fixed partial denture, removable partial denture, and complete denture treatment (p 0.05). Conclusion: This study shows that there is a relationship between prosthodontic treatment need with education level and the number of missing teeth in elderly patients at RSKGM FKG UI.

Abstrak :
Kehilangan gigi merupakan masalah yang umum terjadi di masyarakat. Untuk itu diperlukan implant gigi dengan desain dan material yang dapat meningkatkan osseointegrasi dan juga kekuatan mekanik yang baik. Salah satu metode untuk membuat implant gigi ini yaitu dengan metode metal injection molding. Wrought material Ti6Al4V dengan dimensi 5 mm x 5 mm x 3 mm yang sudah dilakukan surface treatment dengan pengamplasan grit P80, P180, dan P600 dimasukkan ke dalam cetakan berbentuk kubus dengan dimensi 5 mm x 5 mm x 5 mm kemudian diinjeksikan Feedstock Ti6Al4V hingga cetakan terisi penuh dan menempel pada wrought material Ti6Al4V. selanjutnya dilakukan proses solvent debinding dengan larutan heksana selama 3 jam pada temperature 60 °C dan dilanjutkan thermal debinding dengan temperature 600 °C dengan heating rate 5 °C/menit dengan waktu tahan 60 menit menggunakan atmosfer argon. Proses sintering menggunakan temperature 1150 °C dengan waktu tahan 60 menit, 90 menit, dan 120 menit pada atmosfer argon dengan flow rate 1 liter/menit. Hasil penelitian menunjukkan bahwa waktu tahan sintering berpengaruh pada persentase porositas dan juga kekerasan material Ti6Al4V. Pada kekerasan material porous Ti6Al4V terdapat peningkatan kekerasan sedangkan pada wrought material Ti6Al4V terjadi penurunan kekerasan pada waktu tahan sintering 120 menit karena fenomena pertumbuhan butir. Kekasaran permukaan sangat berpengaruh pada shear bond strength pada permukaan dengan nilai kekasaran permukaan yang tinggi maka shear bond strength juga akan semakin tinggi. Pada penelitian ini hasil shear stress yang tertinggi sebesar 1,5406 Mpa pada kekasaran permukaan Ra sebesar 2,3677 μm ......Tooth loss is a common problem in society. For this reason, dental implants with designs and materials that can improve osseointegration and good mechanical strength are needed. One of the methods for making dental implants is the metal injection molding method. Wrought material Ti6Al4V with dimensions of 5 mm x 5 mm x 3 mm which has been surface treated with grinding paper P80, P180, and P600 is inserted into a cube-shaped mold with dimensions of 5 mm x 5 mm x 5 mm then injected with Feedstock Ti6Al4V until the mold is filled full and attached to the wrought Ti6Al4V material. The solvent debinding process with hexane was carried out for 3 hours at a temperature of 60 °C and continued by thermal debinding at a temperature of 600 °C with a heating rate of 5 °C/minute with a holding time of 60 minutes using an argon atmosphere. The sintering process uses a temperature of 1150 °C with holding times of 60 minutes, 90 minutes, and 120 minutes in an argon atmosphere with a flow rate of 1 liter/minute. The results showed that the sintering resistance time affects the percentage of porosity and also the hardness of the Ti6Al4V material. In the hardness of the porous Ti6Al4V material there is an increase in hardness, while in the wrought material Ti6Al4V there is a decrease in the hardness at a sintering time of 120 minutes due to the grain growth phenomenon. Surface roughness is very influential on the shear bond strength on a surface with a high surface roughness value, the shear bond strength will also be higher. In this study, the highest shear stress was 1.5406 Mpa at a surface roughness Ra of 2.3677 μm