نتایج جستجو برای: Quantity of maxillary bone
تعداد نتایج: 21201773 فیلتر نتایج به سال:
Background & Aims: The accuracy of dental implants has increased in recent years. An accurate radiography from the region is needed for precise treatment planning in implants and for determining prognosis of treatment. Because this technique can demonstrate the buccolingual aspect, and due to its lower radiation dose, lower cost, and availability, in comparison with computed tomography, lineart...
Introduction: The aim of this study was to evaluate the effect of platelet-rich fibrin (PRF) on the quality and quantity of bone formation in unilateral maxillary alveolar cleft reconstruction using cone beam computed tomography. Materials and Methods: This study was conducted on 10 non-syndromic patients with unilateral cleft lip and palate within the age group of 9-12 years. The study popul...
Background and Aim: Accurate measurement of bone height and width is essential prior to dental implant placement. The method of surgery as well as, the type and size of implants are determined according to dimensions of the residual bone. The purpose of this study was to evaluate the accuracy of linear tomography in localization of the floor of nasal fossa and maxillary sinus, and to determine ...
Successful replacement of the lost teeth by means of tissueintegrated implants represents a major advance in dentistry. The bone quality and quantity available in the anterior maxilla is often variable, and commonly, there is a deficiency of bone volume. Dentoalveolar defects resulting in the loss of the maxillary anterior alveolar ridge is generally a challenge for clinicians. The aim of this ...
abstract: proverbs are of the language materials which of the food of any language depends on the quality and quantity of these same materials. in the present research, the researcher tried to present the ramsarian proverbs according to four variables of color, fruit, plantsand animals that selected from the book of the members of each of these four variables, put them into the spss system fo...
Insufficient bone quality and quantity in posterior maxilla is a common clinical state, which leads to further prosthetic surgery difficulties. It occurs on account of several causes, most frequently due to the pneumatization of sinus subsequent to the tooth loss and the concomitant excessive alveolar resorption [1]. Depleted alveolar bone is insufficient to host implants of 10 mm in length and...
Introduction: Dental abscesses and periodontal disease can be regarded as the common causes of odontogenic sinusitis. Apical periodontitis, periodontal disease, implant treatment and teeth extraction lead to the increase risk of maxillary sinus mucositis. The maxillary sinuses are usually well visualized on panoramic images. Therefore, this study aimed to explore the association between mucosal...
The maxillary posterior teeth are most often the first to be lost in chronic periodontal disease. Not only does periodontal disease reduce the maxillary bone height but, as we age, the maxillary sinus expands into the alveolar ridge. This reduces the alveolar ridge height beyond that which may occur during the repair of an extraction socket and the subsequent alveolar ridge resorption. This is ...
cml in breif cml is characterized by the proliferation of large numbers of immature wbc in the blood and bone marrow. in most of the patients , it is a clonal disorder in which all cell lines, express the philadelphia chromosome)q/22 translocation(it accounts for 20 of all leukemias and most cases occur over 25 yrs of age. the disease usually begins insidiously,but symptoms referable to anemia ...
Introduction: Maxillary sinuses are among the largest paranasal sinuses with various shapes and volumes. The dimensions and volumes of maxillary sinuses play an important role in the surgical treatment plan. The higher levels of pneumatization of alveolar bone lead to the increase of odontogenic sinusitis which cause problems in dental implantation. Therefore, this study aimed to evaluate...
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