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Periodontal Mesenchymal Stem Cells For Periodontal Regeneration
Funder
National Health and Medical Research Council
Funding Amount
$358,000.00
Summary
Dental diseases affecting the gums (periodontal disease) are extremely prevalent in our society. The effects of periodontal disease can be particularly severe as loss of support for the teeth leads to loose teeth and severely compromised masticatory function. If left untreated, the associated pain and loss of function may necessitate extraction of the teeth. We have recently identified cells residing in the periodontal ligament which may be adult stem cells. This project will further characteriz ....Dental diseases affecting the gums (periodontal disease) are extremely prevalent in our society. The effects of periodontal disease can be particularly severe as loss of support for the teeth leads to loose teeth and severely compromised masticatory function. If left untreated, the associated pain and loss of function may necessitate extraction of the teeth. We have recently identified cells residing in the periodontal ligament which may be adult stem cells. This project will further characterize these cells and explore whether they can be used to restore periodontal tissues damaged by periodontal disease.Read moreRead less
Enhanced Enamel Remineralisation With CPP-ACP And Fluoride
Funder
National Health and Medical Research Council
Funding Amount
$668,074.00
Summary
Tooth decay remains a major public health problem. The project will involve the testing of the system to remineralize (repair) early stages of decay in the laboratory. The project also involves the detailed characterization of the molecular interactions of the components of a system. It is anticipated that this project will result in the development of a system with substantialy superior properties for the non-invasive treatment (repair) of early tooth decay.
Microbial Indicators For The Conservative Therapy Of Dentinal Caries.
Funder
National Health and Medical Research Council
Funding Amount
$429,129.00
Summary
Recent developments in dental restorative materials create potential for conservative therapy of advanced tooth decay by sealing in the complex infecting microbial populations. Our studies have disclosed these microbial populations and indicated patterns. Planned analysis will follow the fate of bacterial populations that are sealed in this manner to determine the relationship to either resolution or progression of the lesion, leading to diagnostic indicators for clinical management.
Regulation Of Bone Resorption In Periodontal Disease
Funder
National Health and Medical Research Council
Funding Amount
$258,500.00
Summary
Periodontal disease is the most common disease involving bone loss in the world. We know little about the causes and how the disease develops. Some of the bacteria that live in the mouth are associated with the disease but the presence of these bacteria does not mean a person will have it. We do not know why some people suffer from the disease and others do not. Unfortunately when a person has periodontal disease the dentist has few choices in the way in which the patient is treated. There are n ....Periodontal disease is the most common disease involving bone loss in the world. We know little about the causes and how the disease develops. Some of the bacteria that live in the mouth are associated with the disease but the presence of these bacteria does not mean a person will have it. We do not know why some people suffer from the disease and others do not. Unfortunately when a person has periodontal disease the dentist has few choices in the way in which the patient is treated. There are no drugs presently available to treat this disease and surgical removal of the diseased tissue is the only option for treatment. Often after this treatment the disease continues to get worse and more bone is lost sometimes resulting in the loss of teeth. This study aims to understand how the disease causes the bone loss. We believe that some newly identified factors that regulate the cells which destroy bone are responsible. Our recently works show that these factors are present in abnormal levels in the diseased tissues of patients. We also wish to go further and try and find ways of treating the disease. We aim to find new treatments based on controlling the factors that regulate the cells that destroy bone .Read moreRead less
Identification Of Porphyromonas Gingivalis Genes Required For Iron/haem Acquisition And Biofilm Formation
Funder
National Health and Medical Research Council
Funding Amount
$476,836.00
Summary
Periodontal diseases are some of the most common bacterial diseases of humans and along with dental caries, account for approximately 90% of all tooth loss in the Australian population. A recent survey of oral health in Australia found that in the 30-34 age group over 20% of people had moderate to severe periodontal disease, indicating that periodontitis is a major public health problem. Specific bacteria, especially Porphyromonas gingivalis, that grow as bacterial biofilms (dental plaque) cause ....Periodontal diseases are some of the most common bacterial diseases of humans and along with dental caries, account for approximately 90% of all tooth loss in the Australian population. A recent survey of oral health in Australia found that in the 30-34 age group over 20% of people had moderate to severe periodontal disease, indicating that periodontitis is a major public health problem. Specific bacteria, especially Porphyromonas gingivalis, that grow as bacterial biofilms (dental plaque) cause periodontal disease. In this study we will utilise the latest technology available to determine which genes of the bacterium are important for biofilm growth, iron acquisition and virulence in an animal model. We will investigate how the bacterium acquires iron, as there is usually little available iron for bacterial growth on human tissues and the ability of the bacterium to free itself from this iron limitation is associated with pathogenicity. The determination of the role of iron availability in biofilm formation and virulence of the bacterium will help us to understand the changes that occur in the initiation of disease and may allow the development of early intervention strategies. The significance of this work is that we will gain an understanding of how this bacterium functions as an opportunistic human pathogen. We will determine which genes are essential for growth as a biofilm and to produce disease in an animal model. This will enable the development of therapeutic and prophylactic interventions targeted to specific bacterial gene products required to produce disease.Read moreRead less