View clinical trials related to Dental Implant Failed.
Filter by:To compare virtual planning accuracy of computer-assisted template-based implant placement using CAD/CAM stereolithographic surgical templates with or without metallic sleeves.Furthermore to compare open versus closed holes in case of sleeveless templates. Any partially edentulous patients requiring at least one implant to be planed according to a computer-assisted template-based protocol were enrolled. Patients were randomised according to a parallel group design into two arms: surgical template with or without metallic sleeves. Three deviation parameters (angular, horizontal, vertical) were defined to evaluate the discrepancy between the planned and placed implant positions.
The primary purpose of this study is to determine what effect, if any, do different dental materials used to seal the prosthetic screw channels of implant supported restorations have on dental implant health parameters and microbiology.
The aim of this study is to compare the stability of dental implant surface treated by sandblasting abrasive particles and acid subtraction (Control) with hydrophilic surfaces dental implants (chemical) and with a higher surface energy (Test) for a period of 16 weeks after installation. The evaluation will be made by analyzing the resonance frequency (Ostell). The hypothesis to be tested will be that implants with hydrophilic surface show increased secondary stability prior to the implants treated by acid etching.
Gum disease and type 2 diabetes are common chronic diseases that affect each other. Diabetes is increasing, especially in Pakistan. People with diabetes have a greater risk for gum disease. Also, it is thought that that gum disease, a chronic infection, can be a source of systemic inflammation and may contribute to poorer diabetes control. The aims of this project are to study: 1. Changes in sugar control in people with type 2 diabetes and severe gum disease after having all teeth removed and replaced with Straumann dental implants and full dentures 2. Changes in certain inflammation markers seen with insulin resistance and other diseases and conditions more common in people with diabetes 3. Retention of dental implants in people with type 2 diabetes. Part I (up to 12 months after implant placement): The study will recruit 30 patients with type 2 diabetes and severe gum disease from Dr. Amin Rahman's private practices in Pakistan. Their long-term sugar (HbA1c) must be 7.5% or more and the inflammatory marker, C-reactive protein (hsCRP) 1mg/dL or more. Consenting participants will first have an oral examination. Eligible patients will have impressions of the jaws and the color of their teeth and gums recorded. At the next visit, all teeth will be extracted and dentures provided. One week later, there will be a check-up visit. Three months after the teeth were removed, Straumann dental implants will be placed in the jaws. After one week, the patient will be checked again. After three months, the dentures will be adjusted to fit the implants. Follow-up visits will occur every three months until one year after the implants were placed to check the health of the patients as well as their implants, the gums around them, and the dentures. Blood samples will be taken at each follow-up visit. Part II (from 12 months to 11 years after implant placement): Follow-up visits will occur every six months for the next ten years, to check the health of the patients as well as their implants, the gums around them, and the dentures. The follow-up visit will be identical to those done in Part I, including blood samples.