92 research outputs found
CBCT Analysis of Root Resorption in Orthodontic Patients with Short Root Anomaly
The objective of this study was to evaluate the amount of root resorption after orthodontic treatment in patients with Short Root Anomaly (SRA) in comparison with control patients using Cone Beam Computed Tomography (CBCT). We hypothesized that patients with SRA present more susceptibility to root resorption during orthodontic treatment when compared to the normal population
Condylar degeneration in patients with dental open bite versus skeletal open bite utilizing CBCT
Idiopathic condylar resorption (ICR) is a condition in which either one or both condyles undergo degeneration. Bilateral TMJ involvement presents as a clockwise rotation of the mandible in the posterior-inferior direction, resulting in an anterior open bite. The purpose of the study was to assess TMJ condylar degeneration in dental open bites compared to skeletal open bites
Relationship between Cervical Vertebral Maturation and Chronological Age: A Mixed Longitudinal Study
The cervical vertebrae have been proposed as a method of determining skeletal maturation.This study aimed to evaluate the relationship between chronologic age and the individual skeletal maturity as assessed by means of the cervical vertebral maturation (CVM) method
Changes in cephalometric measurements in adult patients following orthodontic treatment with premolar extractions versus non-extraction
Extraction of premolars is indicated as part of orthodontic treatment for patients who have severe crowding or protrusion of incisors. CBCT can be used to locate cephalometric landmarks in 3D. The purpose of this study was to determine whether there are differences in sagittal, transverse, and vertical skeletal and dental dimensions for adult patients who were treated with premolar extractions in conjunction with orthodontic treatment compared to those who received orthodontic treatment without extractions
Education for Catholic Eco-pedagogy with Special Focus on Religious Education of Secondary School Students in the Republic of Croatia Education System
Konstantnim razvojem suvremenoga društva čovjek se sve više brine oko napretka i usavršavanja raznih tehničkih, tehnoloških i drugih disciplina, pritom ne mareći što iscrpljuje prirodne resurse, uništava prirodu i zagađuje okoliš. Katolička Crkva svojom ekopedagogijom već desetljećima, na razne načine, pokušava razvijati ekološku svijest svih svojih vjernika, posebno srednjoškolaca, kako bismo vjerskim odgojem i obrazovanjem postali svjesni opasnosti koja bi nas jednog dana mogla zadesiti zbog neodgovornog ponašanja prema prirodi, koja je osnovno i jedino stanište ljudskog roda. Autor u radu prikazuje mogućnosti ekološkog osvješćivanja srednjoškolaca preko teološkoga i pedagoškog vida vjeronaučne nastave. Referirajući se na društveno-humanistički pristup odgoja i obrazovanja, prema dokumentu Nacionalni okvirni kurikulum za predškolski odgoj i obrazovanje te opće obvezno i srednjoškolsko obrazovanje, autor proučava sadržaj katoličkog vjerskog odgoja u dokumentu Plan i program katoličkog vjeronauka za četverogodišnje srednje škole, te razmatra mogućnosti i utjecaj vjeronaučne nastave pri razvijanju senzibilnosti srednjoškolaca za ekološke teme i odgovoran odnos prema očuvanju prirode, njezinih resursa i čistoće okoliša. Autor predlaže nove pedagoške principe u tumačenju uloge katoličke ekopedagogije i izbora njezinih sadržaja, ciljeva i metoda odgoja u vjeronaučnoj nastavi.With the constant development of modern society man has been increasingly concerned about the progress and improvement of various technical, technological and other disciplines without taking into account the exhaustion of natural resources, destroying nature and polluting environment. Through her eco-pedagogy the Catholic Church has been trying for decades, in various ways, to develop ecological awareness of all her faithful, especially the secondary school students, to become aware through religious education of the dangers that might befall us because of irresponsible behaviour toward nature, which is the basic and only habitat of human race. In the paper the author presents the possibilities of ecological awareness of secondary school students through theological and pedagogical aspect of religious education teaching. Referring to the Religious Education Syllabus for the four-year secondary schools, the author, studying the content of religious education, considers the opportunities and impacts of religious education teaching in developing the sensitivity of secondary school students to ecological topics and their responsible attitude towards nature conservation, its resources and environmental cleanliness
Literature Review: Comparison of the Effects of Cigarette Smoke on Mesenchymal Stem Cells and Dental Stem Cells
Stem cells are distinguished from other cell types due to two important defining characteristics. First, stem cells must exhibit selfrenewal potential, which is the ability to produce identical copies of themselves through mitotic divisions over time. Second, stem cells must exhibit multilineage differentiation potential – pluripotency, which is the ability to give rise to various specialized cell types and serves as the driving concept behind stem cell regeneration. They also possess migration potential in order to reach sites of injury. These abilities allow stem cells to participate in the body’s natural processes of wound healing and tissue generation and raise the potential of using stem cells in various applications in regenerative medicine.
However, certain environmental predisposing conditions such as cigarette smoke can negatively impact these abilities and stem cell viability for transplantation and regeneration. Most of the research conducted on stem cells involves mesenchymal stem cells (MSCs), typically from the bone marrow. The substantial growth in this research has allowed further understanding of the deleterious effects of cigarette smoke on MSCs, as well as improved our knowledge on the therapeutic usage of MSCs for smoking patients. As of now, there is a considerable lack of research focused on dental stem cells. Given that the first exposure to smoke occurs in the oral cavity, and that the content of nicotine is estimated to be nearly 8 times higher in saliva than in blood plasma (8 hours following application of nicotine patch; saliva: 76.8 ng/ml, plasma: 10.0 ng/ml)1, the potentially more susceptible stem cell populations in the oral cavity deserve more attention. Dental stem cells share many properties with MSCs, and a disruption in their function by higher concentrations of a known inhibitor of stem cell function would create significant problems in the repair process
Literature Review: Comparison of the Effects of Cigarette Smoke on Mesenchymal Stem Cells and Dental Stem Cells
Stem cells are distinguished from other cell types due to two important defining characteristics. First, stem cells must exhibit selfrenewal potential, which is the ability to produce identical copies of themselves through mitotic divisions over time. Second, stem cells must exhibit multilineage differentiation potential – pluripotency, which is the ability to give rise to various specialized cell types and serves as the driving concept behind stem cell regeneration. They also possess migration potential in order to reach sites of injury. These abilities allow stem cells to participate in the body’s natural processes of wound healing and tissue generation and raise the potential of using stem cells in various applications in regenerative medicine.
However, certain environmental predisposing conditions such as cigarette smoke can negatively impact these abilities and stem cell viability for transplantation and regeneration. Most of the research conducted on stem cells involves mesenchymal stem cells (MSCs), typically from the bone marrow. The substantial growth in this research has allowed further understanding of the deleterious effects of cigarette smoke on MSCs, as well as improved our knowledge on the therapeutic usage of MSCs for smoking patients. As of now, there is a considerable lack of research focused on dental stem cells. Given that the first exposure to smoke occurs in the oral cavity, and that the content of nicotine is estimated to be nearly 8 times higher in saliva than in blood plasma (8 hours following application of nicotine patch; saliva: 76.8 ng/ml, plasma: 10.0 ng/ml)1, the potentially more susceptible stem cell populations in the oral cavity deserve more attention. Dental stem cells share many properties with MSCs, and a disruption in their function by higher concentrations of a known inhibitor of stem cell function would create significant problems in the repair process
Vertical Dimensions of Mandible in Class II Subdivision Malocclusion with Skeletal Asymmetry
• Advancements in 3-dimensional imaging analysis, utilizing cone-beam computed tomography (CBCT), have allowed for further investigation of skeletal asymmetry. • While past 2-dimensional studies attributed dentoalveolar deviation to unilateral Class II malocclusion, recent 3D studies have found a primarily skeletal contribution.1 • There is much debate on the impact of condylar morphology on malocclusion in patients with Class II subdivision and significant skeletal asymmetry.2 • Some authors concluded that condylar characteristics are not correlated with skeletal asymmetry, while others reported a correlation between a greater condyle angulation and skeletal asymmetry.2-
Airway dimension change after open bite treatment – 3D CBCT study
â—Ź Studies have shown that airway dimension can be correlated to skeletal/dental malocclusion, including anterior open bites.1 â—Ź Counter-clockwise rotation of mandible or extrusion of incisors can be used to correct anterior open bites; however, their subsequent effect on airway dimension has not been well studied. â—Ź Studies have shown that both the inferior oropharyngeal airway volume and cross-sectional area increased as the mandibular position is advanced forward (decreased mandibular plane angle).2 â—Ź Previous 3D MRI studies have shown that total airway volume, retropalatal and retroglossal airway volume increased following open bite closure.
Longitudinal cephalometric study of untreated subjects with different facial types
To examine the craniofacial morphological characteristics of different facial types based on vertical dysplasia in untreated subjects from the ages of 8 to 18
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