Active clinical trials for "Aggressive Periodontitis"

Apoptosis is an evolutionary form of physiological cell death. Studies suggest that apoptosis is involved in the pathogenesis of periodontal diseases. Human gingival fibroblasts (HGF) have an important role in the periodontal immune response. It is believed that HGF can be diminished and/or eliminated by means of apoptosis. Smoking is one of the most common risk factor of periodontal disease. Studies indicated that smoking can increase the risk of periodontitis by enhancing the apoptosis of gingival fibroblast. The purpose of this study is to determine and to investigate apoptosis of HGF in gingival biopsies collected from smokers and non smokers who are diagnosed with chronic periodontitis or aggressive periodontitis. Eighty subjects will be invited to participate in this study. Patients will be allocated into four groups (20 patients each). Gingival biopsies will be obtained from the base of papillae during surgical treatment (open flap curettage) and will be examined by Immuno-histochemical analysis. Immune-staining will be done using p53 monoclonal mouse anti-human antibody.

The aim of this study is to estimate GCF MCP-1 levels of healthy and Aggressive periodontitis (AgP) subjects and to compare MCP-1 levels between Localized AgP (LAgP) and Generalized AgP (GAgP) to establish its predictive value/role for distinguishing LAgP and GAgP development.

The aim of this study is to estimate genetic impact of MCP-1 -2518 and its receptor CCR2 -190 polymorphisms on AgP patients among Turkish individuals and whether MCP-1 genotype effects mRNA levels of Peripheral Blood Mononuclear Cell Leukocyte (PBML)

Periodontitis is a chronic inflammatory disease whose etio-pathogencity is not fully understood yet. Reactive oxygen species (ROS) and reactive nitrogen species (RNS) are involved in physiological and pathological processes. Nitro-oxidative stress has been implicated in Periodontitis. The aim of this study is to assess the levels of ROS and RNS in serum and gingival crevicular fluid (GCF) samples taken from periodontitis (chronic and aggressive) patients and healthy controls. Subsequently, correlating these levels with the severity of periodontal disease. Eighty subjects will be invited to participate in this study. Patients will be allocated into four groups (20 patients each). The biochemical parameters that will be investigated are Malondialdehyde (MDA) (using TBRSA assay) as a marker of oxidative stress and (NO- level using Griess reagent) as a marker of nitrosative stress.

In the present clinical study including chronic, aggressive periodontitis and healthy individuals, the investigators aimed to determine the RANKL, osteoprotegrin (OPG), Interleukin-1 (IL-1β), IL-10, IL-1β levels in gingival crevicular fluid(GCF) before and after surgical periodontal treatment and search out the relationship of clinical parameters with these cytokine levels.

Present study intended to compare diseased and healthy sites in chronic and aggressive periodontitis with healthy individuals. The investigators suggest that even unaffected healthy sites of both chronic and aggressive periodontitis patients exhibit subclinical inflammation and tissue destruction with decreased fibroblast cell counts and increased inflammatory cell counts. Investigators also suggest that a possible mechanism which might play a role in the disease progression might occur via a disbalance between matrix metalloproteinases and their inhibitors, and increased hypoxia in diseased sites.

Subjects were selected from the outpatient clinic, Department of Oral Medicine and Periodontology, Faculty of Oral and Dental Medicine, Cairo University. Ten healthy control subjects presented with clinically healthy periodontium. Ten patients who had plaque induced gingivitis. Ten patients who had generalized chronic periodontitis. Ten patients who had generalised aggressive periodontitis. Pentraxin-3 levels were evaluated in GCF and saliva of all subjects included in this study with ELISA technique.

The aim of the present study is to evaluate the health of immediately placed dental implants in aggressive periodontitis patients versus those placed in periodontally healthy individuals in the maxillary esthetic zone.

This study evaluates the interaction between host immune cells and bacteria associated with periodontitis. It comprises biological material from donors with and without periodontal disease. Specifically, we collect a spit and blood sample to conduct in vitro stimulations and measurements of selected parameters related to periodontitis to clarify obscure areas in the immunologic pathogenesis of this disease.

The investigators planed to observe the microbiome of an aggressive periodontitis patient, during mechanical treatment, surgery(if indicated) and implant placement. The investigators designed to observe the changes after mechanical treatment.Then, the investigators will compare the sub-mucosa microbiome of implant and the subgingival community. The investigators expected a different community after treatment, and there could be similarity between implant and nature teeth.