{"id":4200,"date":"2025-03-13T06:48:15","date_gmt":"2025-03-13T06:48:15","guid":{"rendered":"https:\/\/en.codental.uobaghdad.edu.iq\/?p=4200"},"modified":"2025-03-13T06:48:15","modified_gmt":"2025-03-13T06:48:15","slug":"a-thesis-in-the-college-of-dentistry","status":"publish","type":"post","link":"https:\/\/en.codental.uobaghdad.edu.iq\/?p=4200","title":{"rendered":"A thesis in the College of Dentistry"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-size: 20px;\">The College of Dentistry at the University of Baghdad discussed the master&#8217;s thesis entitled &#8220;Studying the effect of incorporating grapefruit seed particles in 3D printed acrylic on the adhesion of bleaches and mechanical properties&#8221;. By the student Mira Muhyiddin Suleiman.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px;\">The aim of the thesis: Studying the effect of adding grapefruit seeds at weight ratios of 5% and 7% to 3D printed acrylic on the adhesion of white bleaches and mechanical properties.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px;\">The thesis also included: Using different concentrations for the experimental study at weight ratios of 5% and 7% of grapefruit seed particles to 3D printed dental resins. 120 samples of 3D printed acrylic were divided into five groups, each group containing 30 samples, which were in turn divided into three subgroups according to each test. A device was used to evaluate the amount of bleaches attached to the samples, and a three-point bending test and tensile strength were performed.<span class=\"Apple-converted-space\">\u00a0 <\/span>The surface properties were evaluated using Shore D hardness tester (hardness) and contact height meter (roughness). Fourier transform infrared (FTIR) spectroscopy was used to analyze the effective aggregates. Scanning electron microscope was used to evaluate the distribution of microparticles. Statistical analysis was performed based on the experimental data, descriptive statistics, analysis of variance (ANOVA), and multiple comparison tests were performed according to the significance of the results for each test.<span class=\"Apple-converted-space\">\u00a0<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px;\">The most important recommendations reached by the study: The results of the study confirm the possibility of developing a new 3D printed dental filling base with improved material performance. As well as the need for further research on denture materials that combine desirable aesthetics, ease of processing, and improved properties.<span class=\"Apple-converted-space\">\u00a0<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px;\">The thesis was accepted by the discussion committee.<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-large wp-image-4201 aligncenter\" src=\"http:\/\/en.codental.uobaghdad.edu.iq\/wp-content\/uploads\/sites\/62\/2025\/03\/A2D9122B-F176-4B5F-8F5C-A0BD8AA721CE-1024x768.jpeg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/en.codental.uobaghdad.edu.iq\/wp-content\/uploads\/sites\/62\/2025\/03\/A2D9122B-F176-4B5F-8F5C-A0BD8AA721CE-1024x768.jpeg 1024w, https:\/\/en.codental.uobaghdad.edu.iq\/wp-content\/uploads\/sites\/62\/2025\/03\/A2D9122B-F176-4B5F-8F5C-A0BD8AA721CE-300x225.jpeg 300w, https:\/\/en.codental.uobaghdad.edu.iq\/wp-content\/uploads\/sites\/62\/2025\/03\/A2D9122B-F176-4B5F-8F5C-A0BD8AA721CE-768x576.jpeg 768w, https:\/\/en.codental.uobaghdad.edu.iq\/wp-content\/uploads\/sites\/62\/2025\/03\/A2D9122B-F176-4B5F-8F5C-A0BD8AA721CE-600x450.jpeg 600w, https:\/\/en.codental.uobaghdad.edu.iq\/wp-content\/uploads\/sites\/62\/2025\/03\/A2D9122B-F176-4B5F-8F5C-A0BD8AA721CE.jpeg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The College of Dentistry at the University of Baghdad discussed the master&#8217;s thesis entitled &#8220;Studying the effect of incorporating grapefruit <a class=\"cz_readmore\" href=\"https:\/\/en.codental.uobaghdad.edu.iq\/?p=4200\"><i class=\"fa fa-angle-left\" aria-hidden=\"true\"><\/i><span>More<\/span><\/a><\/p>\n","protected":false},"author":11,"featured_media":4202,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[19],"tags":[],"class_list":["post-4200","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-postgraduate-dissertations"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - 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