Introduction: Temporomandibular joint disorders is a pathologic conditions as a caused of musculoskeletal pain and dysfunction syndrome in stomatognathic system. This disorder was suffered in the population and affected the quality of life. This study was done to know how was the condition of temporomandibular joint disorders in the student of Faculty of Dentistry Universitas Padjadjaran population. Another objective of this study was the diagnosis classification of revised RDC-TMD Axis I could be applicated in Indonesian population, and to calibrate the diagnostic. Methods: The research sample was 65, with 43 female and 22 male. Result: The result showed that 50% of the student of Faculty of Dentistry Universitas Padjadjaran minimally suffered one diagnosis of temporomandibular joint disorders; with the most disorder was disc displacement with reduction, in left or right joint, followed by myofacial pain with limited opening. Conclusion: The conclusion of this research there was a high percentage of temporomandibular joint disorders in student population based on Revised Research Diagnosis Criteria for Temporomandibular Joint Disorders 2010, with the most disorder were disc displacement with reduction. So, it was important to socialize this sign and symptom of these disorders to community.
Dental magnetic attachments used as a retainer for overdentures are encapsulated with a corrosion resistant casing to prevent corrosion of magnets. However, some studies reported that the casing still has a risk of corrosion. This study aims to determine the effect of acid solutions on magnetic attractive force, dissolving metal ions and corrosion of magnetic attachment surfaces. The dental magnetic attachment material used is Magfit DX 600 (Aichi, Japan). It consists of assembly and keeper. The assembly and keeper immersed in acid solutions with a pH of 3.8 and 5.8 for 7 and 14 days. After immersion, the assembly and keeper were analyzed using SEM, universal testing machine, and the atomic absorption spectrophotometry to determine the surface corrosion, the magnetic attractive force, and dissolved metal ions, respectively. It is found that all assemblies showed signs of corrosion and reduction of magnetic attractive force after immersed in acid solutions with a pH of 3.8 and 5.8 for 7 and 14 days. A greater decrease in magnetic attraction was obtained at 14 days immersion in an acid solution with a pH of 3.8. Fe ion dissolution in the assembly and keeper was found to increase at 14 days of immersion. The lower the pH of the acid solution and the longer the immersion time, the signs of corrosion on the surface of dental magnetic attachment are clearly observed. The magnetic attraction force also decreased with decreasing the value of pH as well as the increase of the content of Fe ion in immersed solution.
Aim. The aim of this review is to get a comprehensive description of the factors that may influence the attractive force of the dental magnetic attachment. Background. Dental magnetic attachment is a term for a magnet used as an overdenture retainer. Magnets that are widely used are permanent magnets such as neodymium iron boron (NdFeB) and samarium cobalt (SmCo). Theoretically, the magnetic attractive force in a permanent magnet has a constant retentive force, and the magnitude of the force will not decrease over time. However, several studies revealed that the magnetic attractive force can be decreased, resulting in the failure of overdenture retention. Some of the factors of reduced magnetic attraction that have been studied are corrosion and temperature. There are no articles that specifically review the factors that can influence magnetic attraction. Review Results. A total of 25,880 articles were obtained during a search on 3 journal databases: PubMed (2,647), ScienceDirect (23,184), and Scopus (229). From those publications, 15 articles reported relevant outcome data that were then extracted. Magnetic attractive force can be influenced by temperature, corrosion, keeper surface morphology, type of magnet, keeper-assembly size combination, inclination, insertion-removal cycle, gliding/loading cycle, number of magnets, crosshead speed, and force direction. Conclusion. Many factors can affect the magnetic attraction force of the dental magnetic attachment. Corrosion is the most likely factor to occur because the dental magnetic attachment is always in the oral environment which contains corrosive saliva and is susceptible to damage due to mastication forces.
Background: Polyvinyl siloxane has been used by prosthodontists as the impression material for its acceptable dimension stability. Polyvinyl siloxane impression with blood and saliva on it contains bacteria colonization. It has to be disinfected by a disinfectant solution to avoid cross-transmission from patients to the dentist, assistant, and laboratory technician. Nowadays, herbal plant like red fruit (Pandanus conoideus Lam) is utilized as natural disinfection material. Aim: This study examines the effectiveness of length of disinfection on Pandanus conoideus Lam in polyvinyl siloxane impression. Method: Thisstudyinvolved four groups (twenty-four teeth impressions) of participants from the Faculty of Dentistry, Universitas Padjadjaran. The first group was disinfected by Pandanus conoideus Lam’s extract 6% for five minutes, ten minutes for the second group, twelve minutes for the third group, and fifteen minutes for the fourth group. Each impression was swabbed before and after being disinfected, planted in Brain Heart Infusion (BHI)agar as the media, incubated for twenty-four hours, and the results of bacteria colonization were counted. Data analysis was evaluated applying paired-t-test in each impression.Result: There were significant decreases in bacteria colonization numbers between the data before and after the disinfection. The most significant one was found in ten minutes provocation. Conclusion: Disinfection by Pandanus conoideus Lam’s extract 6% is effective within the range of five to ten minutes and also effective to be used as natural disinfection material for polyvinyl siloxane. The most effective length of disinfection is ten minutes.
ABSTRAKPendahuluan: Kehilangan gigi sebagian dapat terjadi pada semua kelompok usia termasuk diantaranya usia dewasa muda. Ruang yang ditinggalkan oleh hilangnya gigi membentuk suatu pola dan dapat diklasifikasikan berdasarkan klasifikasi Kennedy. Berbagai penyebab kehilangan gigi dapat terjadi pada kelompok usia dewasa muda. Penelitian ini bertujuan untuk mengetahui pola kehilangan gigi berdasarkan klasifikasi Kennedy serta penyebab utama kehilangan gigi pada rahang atas atau rahang bawah usia dewasa muda. Metode: Penelitian ini adalah penelitian survei deskriptif dengan desain cross-sectional pada mahasiswa Program Studi Sarjana angkatan 2017 sampai 2020 dan Program Studi Profesi angkatan 2019 sampai 2020 Fakultas Kedokteran Gigi Universitas Padjadjaran, yang berusia antara 18 sampai 24 tahun dan berjenis kelamin perempuan atau laki-laki. Teknik pengambilan sampel menggunakan purposive non-random sampling. Sampel dihitung untuk setiap rahang atas atau bawah sehingga didapatkan 87 rahang. Data yang diperoleh melalui pengisian kuesioner berupa google form dan foto intraoral kemudian dianalisis menggunakan program komputer Microsoft Excel 2016. Hasil: Pola kehilangan gigi tertinggi adalah kelas III Kennedy sebesar 65,52%. Kelas III Kennedy menjadi mayoritas pada perempuan sebesar 55,17% dan pada laki-laki sebesar 10,35%. Kelas III Kennedy menjadi mayoritas pada kelompok usia 18 hingga 20 tahun sebesar 25,29% dan kelompok usia 21 hingga 24 tahun sebesar 40,23%. Simpulan: Pola kehilangan gigi berdasarkan klasifikasi Kennedy pada rahang atas atau rahang bawah usia dewasa muda, mayoritas adalah kelas III Kennedy dengan penyebab utama kehilangan gigi adalah karies.Kata kunci: kehilangan gigi sebagian; klasifikasi Kennedy; dewasa muda ABSTRACTIntroduction: Partial edentulous can occur in all age groups, including young adults. The space left by tooth loss forms a pattern and can be classified according to Kennedy’s classification. Various causes of tooth loss can occur in young adults. This study aims to find the patterns of edentulous based on Kennedy’s classification and the leading cause of tooth loss in young adulthood’s upper or lower jaw. Methods: This study was a descriptive survey with a cross-sectional design on undergraduate students from 2017 to 2020 and clinical students from 2019 to 2020 at the Faculty of Dentistry, Padjadjaran University, who were between 18 to 24 years old and were either female or male. The sampling technique used purposive non-random sampling. The sample was calculated for each upper or lower jaw so that 87 jaws were obtained. The data was obtained from the questionnaire in the google form and intraoral photos. The computer program Microsoft Excel 2016 was used for data analysis. Results: The highest pattern of tooth loss was Kennedy’s class III at 65,52%. Kennedy’s class III became the majority in women at 55,17 and 10,35% in men. Kennedy’s class III became the majority in the 18 to 20 age group at 25,29 and 40,23% in the 21 to 24 age group. Conclusion: The majority of tooth loss patterns in young adulthood’s upper lower jaw was Kennedy’s class III, with the leading cause of partial tooth loss being caries.Keywords: partial edentulous; kennedy’s classification; young adult
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.