Undergraduate Theses
Undergraduate Theses
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Pengaruh Perendaman Kawat Ortodonti Thermal Nikel Titanium dalam Ekstrak Etanol Daun Afrika (Vernonia Amygdalina Del.) terhadap Kekuatan Tarik Kawat
(Universitas Sumatera Utara, 2025)Corrosion of orthodontic wires can increase the roughness of the surface and weaken the orthodontic wire which will greatly affect the tensile strength of the material. The purpose of this study was to determine the ... -
Pengaruh Ekstrak Etanol Daun Afrika (Vernonia amygdalina Del.) terhadap Aktivitas Antibakteri serta Kebocoran DNA dan Protein Streptococcus mutans ATCC® 25175™
(Universitas Sumatera Utara, 2025)The limitation in maintaining oral hygiene during fixed orthodontic treatment leads to plaque accumulation and increases the risk of caries, with Streptococcus mutans being one of the main bacteria involved in the formation ... -
Gambaran Jenis Lesi Lidah pada Lansia Usia 60-80 Tahun di Puskesmas Gurilla Pematangsiantar
(Universitas Sumatera Utara, 2025)Introduction Elderly undergo a physiological process, starting with a gradual decline in cell function, which increases the risk of weakening the body, morbidity and mortality. The oral cavity structure of elderly gets ... -
Efektivitas Larutan Baking soda (Sodium Bikarbonat) Terhadap Bakteri Streptococcus mutans pada Bidang Ortodonti
(Universitas Sumatera Utara, 2025)Orthodontic appliances impact the oral cavity's ecology, leading to an increase in Streptococcus mutans levels in saliva. Fixed orthodontic appliance components, such as brackets, bands, and archwires, serve as ideal ... -
Pengaruh Penambahan Bubuk Nanokitosan Pada Bahan Profilaksis Terhadap Kekuatan Geser Perlekatan Braket Ortodonti
(Universitas Sumatera Utara, 2025)Failure of bracket attachment to enamel surface is a common problem in fixed orthodontic treatment. Previous research has stated that the incidence of this failure is multifactorial, but it is largely associated with ... -
Pengujian Alat Tekanan Plantar Kaki terhadap Kebiasaan Sisi Pengunyahan pada Pasien Maloklusi Klas I Skeletal
(Universitas Sumatera Utara, 2025)Occlusion imbalance, cervical spine, leg length, and asymmetric leg length related to muscle compensation still show a lack of clear causal relationship due to limited diagnostic tools. Chewing habits on one side are one ... -
Perubahan Dimensi Hasil Cetakan Alginat yang Dicampur dengan Obat Kumur Antiseptik Klorheksidin 0,2%, Minyak Esensial, dan Propolis
(Universitas Sumatera Utara, 2020)In the field of dentistry, the use of impression materials is carried out to obtain a negative impression of the oral cavity tissues. Dental impressions are easily contaminated by saliva and blood from the patient, which ... -
Karakteristik Saliva dan OHIS pada Anak Sindroma Down di SLB-C Taman Pendidikan Islam Medan
(Universitas Sumatera Utara, 2020)Children with Down syndrome are children who have below-average intellectual abilities and tend to have limitati ons in terms of intelligence, physical, emotional and social. Children with Down syndrome often experience ... -
Pelepasan Ion Nikel pada Kawat Ortodonti Stainless Steel yang Direndam dalam Sodium Bikarbonat
(Universitas Sumatera Utara, 2025)Stainless steel wires are a common type of orthodontic wire known for their rigidity and resistance to deformation, making them ideal for use as archwires. The warm and humid conditions of the oral cavity, along with ... -
Pengaruh Pemberian Magnesium Klorida Terhadap Nyeri pada Perawatan Ortodonti dengan Metode Writhing Test
(Universitas Sumatera Utara, 2025)Pain in orthodontic treatment is related to inflammation and stimulation of the free nerve endings in the periodontal ligament due to the application of mechanical forces to the teeth. This pain typically appears within ... -
Pengaruh Penambahan Nanoselulosa Serat Bambu Betung pada Bahan Basis Gigi Tiruan Resin Akrilik Polimerisasi Panas terhadap Kekuatan Transversal
(Universitas Sumatera Utara, 2025)Heat cured acrylic resin is the most commonly used material for denture base fabrication. However, this material has the potential to crack or break due to wear and tear. To overcome this, bamboo betung fiber nanocellulose ... -
Efek Nano-Kitosan Hidroksiapatit, CPP-ACP dan Silver Diamine Fluoride Terhadap Remineralisasi Email Secara Kualitatif dan Kuantitaif: Penelitian In Vitro
(Universitas Sumatera Utara, 2025)Dental caries is one of the most common oral health problems globally, including in Indonesia. The initial indication of dental caries is the presence of non-cavitated lesions or white spot lesions (WSL). Demineralization ... -
Optimasi Pembanding Carboxymethyl Cellulose Terhadap Hydroxyethyl Cellulose Dalam meningkatkan Kapasitas Penahan Air Sebagai Pembuatan Chip Periodontal
(Universitas Sumatera Utara, 2025)Periodontal chip is one of the supporting therapies for periodontal disease that has been proven to reduce periodontal pockets. Periodontal chip have disadvantages, so natural materials are used as an alternative replacement, ... -
Pengaruh Penambahan Nanoselulosa Serat Bambu Betung pada Bahan Basis Gigi Tiruan Resin Akrilik Polimerisasi Panas terhadap Kekuatan Impak
(Universitas Sumatera Utara, 2025)The denture base is a part of the removable denture that is supported by a good adaptation to the underlying oral tissues to improve the tissue contour where the denture components attach, as well as receiving support from ... -
Perbedaan Kekuatan Transversal Resin Akrilik Polimerisasi Panas High Impact dan Konvensional dengan Penambahan Bahan Penguat Cangkang Telur Bebek dan Kerang Darah
(Universitas Sumatera Utara, 2025)Conventional heat cured acrylic resin is a commonly used denture base material, but it has the disadvantage of being prone to fracture. This can be overcome by improving the transverse strength of the mechanical properties ... -
Efektivitas Pemberian Ekstrak Etanol Daun Pegagan (Centella asiatica (L.)) Terhadap Kejadian Karsinoma Sel Skuamosa Rongga Mulut (KSSRM) yang diinjeksi 200 μg Dimethylbenz(α)anthracene (DMBA) pada Mukosa Bukal Tikus Galur Wistar.
(Universitas Sumatera Utara, 2025)Oral Squamous Cell Carcinoma (OSCC) is an invasive neoplasm that attacks the epithelial tissue of the oral cavity with varying degrees of differentiation and can occur in all parts of the oral cavity such as the floor ... -
Perbedaan Pengaruh Pengolesan Pasta Nanohidroksiapatit 3% dari Cangkang Telur Bebek (Anas Platyrhyncos) dengan Casein Phosphopeptide-Amorphouscalcium Phosphate terhadap Kekerasan Permukaan Email Gigi (In Vitro)
(Universitas Sumatera Utara, 2025)Caries is a chronic disease that occurs due to the demineralization process, which can reduce the surface hardness of tooth enamel. To overcome this, remineralizing materials are needed, one of which is CPP-ACP. The use ... -
Perbedaan pH, Laju Aliran, Kadar Ion Kalsium, dan Ion Fosfat dalam Saliva pada Lansia di Panti Jompo Yayasan Taman Bodhi Asri
(Universitas Sumatera Utara, 2025)Aging causes physiological changes and a decline in salivary gland function, which can affect the pH, flow rate, and levels of calcium and phosphate ions in saliva. Aim: to analyze the differences in pH, flow rate, calcium ... -
Efektivitas Ekstrak Etanol Pegagan (Centella asiatica (Linn.) Urban) sebagai Agen Kemoprevensi terhadap Kejadian Karsinoma Sel Skuamosa yang Diinduksi dengan Injeksi 100 µg Dimetilbenzan (α) Antrasena (DMBA) pada Mukosa Mulut Tikus Wistar Jantan (Rattus norvegicus)
(Universitas Sumatera utara, 2025)Oral squamous cell carcinoma (OSCC) is the most common type of oral cancer. The primary risk factors include tobacco smoking, betel quid chewing, alcohol consumption, and sun exposure. Cancer prevention strategies involve ... -
Perbedaan Pengaruh Pengolesan Pasta Nanohidroksiapatit 6% dari Cangkang Telur Bebek (Anas Platyrhynchos) dengan Casein Phosphopeptide-Amorphous Calcium Phosphate terhadap Kekerasan Permukaan Email (In Vitro)
(Universitas Sumatera Utara, 2025)Caries in teeth occur due to the demineralization process which dominates over the remineralization process. This can reduce the surface hardness of the so that a remineralizing agent is needed, one of which is CPP ACP. ...
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