نتایج جستجو برای: impacted
تعداد نتایج: 27848 فیلتر نتایج به سال:
Garden type I fractures include incomplete fractures and impacted fractures. With advances in scientific technology and medical treatment, certain deficiencies of the Garden classification have become apparent. The authors hypothesized that the incidence of incomplete femoral neck fractures was low and that impacted femoral neck fractures were not undisplaced and stable fractures. A new method ...
BACKGROUND The elemental composition of bones and teeth can allow exposure to heavy metals in the environment to be estimated. The aim of this study was to determine whether impacted mandibular teeth and the surrounding bones can be used as biomonitoring media to assess exposure to heavy metals. METHODS The research materials were 67 impacted lower third molars and samples of the cortical bon...
OBJECTIVE To investigate the effects of the closed-eruption technique on impacted immature maxillary incisors. METHODS The contour and position of the gingival margin, root development, and pulp status were evaluated in 50 impacted immature maxillary incisors immediately after treatment and 2 years later. RESULTS Chronic periapical periodontitis and trauma of the primary teeth were the main...
Background: The most commonly impacted teeth are the third molars, maxillary canines, maxillary central incisors and premolars. Impacted premolars may lead to aesthetic concerns, masticatory inefficiency and oral hygiene difficulties as well as follicle pathology and destruction of adjacent structures, including neighboring teeth, the purpose of this study to shade light on the prevalence of im...
Large private sector investments in low- and middle-income countries are often critically evaluated with regards to their environmental, social, human rights, and health impacts. A health impact assessment, including a baseline health survey, was commissioned by the Addax Bioenergy Sierra Leone project in 2010. As part of the monitoring, a follow-up survey was conducted three years later. A set...
surgical removal of impacted mandibular third molar is a common procedure among oral surgeries. While there is no agreement on the management of asymptomatic impacted third molars, the aim of the present study was to evaluate the rate of cystic changes in the follicle of impacted teeth with radiographically normal feature. 109 patients underwent surgical removal of impacted mandibular third mol...
Mandibular third molars are the most common impacted teeth. Mandibular first and second molars do not share the same frequency of occurrence. In rare cases the occlusal surfaces of impacted molars are united by the same follicular space and the roots pointing in opposite direction; these are called kissing molars. In some cases, a supernumerary fourth molar can be seen as unerupted and, in this...
OBJECTIVE The aim of the study was to evaluate patients treated for impacted mandibular canines through a combined surgical and orthodontic approach. STUDY DESIGN The cases which were made button operations of impacted mandibular canines were selected from 5100 panoramic radiographs taken from patients who made use of our oral and maxillofacial surgery services between January 1998 to April 2...
BACKGROUND The relationship between impacted mandibular third molar and mandibular canal is important for removal of this tooth. Panoramic radiography is one of the commonly used diagnostic tools for evaluating the relationship of these two structures. OBJECTIVES To evaluate the accuracy of panoramic radiographic findings in predicting direct contact between mandibular canal and impacted thir...
This case report highlights the treatment of a skeletal Class II malocclusion with pseudoanodontia that indicated clinical but not radiographic absence of teeth. A 21-year-old female patient presented with a skeletal Class II malocclusion with an orthognathic maxilla and a retrognathic mandible, with Angle’s Class I malocclusion with rotated maxillary and mandibular anteriors with fourteen impa...
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