نتایج جستجو برای: apical resorption
تعداد نتایج: 41769 فیلتر نتایج به سال:
a s p i bstract he purpose of this study was to evaluate, radiographcally, whether there is similarity in the apical root esorption found in endodontically treated teeth and ntreated teeth when they are submitted to orthodontic reatment. From 2,500 treatment records examined, 16 atients were selected who had a maxillary central ncisor treated endodontically before initiation of the rthodontic m...
OBJECTIVE To quantify the amount of tooth movement and orthodontically induced root resorption (OIRR) in ovariectomized rats. MATERIALS AND METHODS Five 10-week-old female Wistar rats undergoing ovariectomy (OVX) were investigated as the experimental group, and the other five without ovariectomy served as the control group. Four weeks after ovariectomy, 25-g nickel-titanium closed-coil spring...
OBJECTIVE To evaluate, radiographically, the root forms of maxillary incisors in a sample of patients seeking orthodontic treatment in Nairobi, Kenya. DESIGN A retrospective study of maxillary incisor root forms based on periapical radiographs. SETTING A private dental clinic in Nairobi, Kenya. MATERIALS AND METHODS The study comprised 393 maxillary incisors in 100 consecutive subjects (5...
Like any other medical intervention, the orthodontic treatment may have, besides the positive effects, also unwanted secondary consequences. The aim of this study was to evaluate the changes present in dental hard tissue associated with orthodontic treatment. The stereo-microscopic ex vivo analysis was performed on two sets of maxillary first premolars undergoing orthodontic treatment for a lon...
The consequences of traumatic injuries are pulp necrosis, periapical inflammation, and possible external cervical resorption (ECR). concomitant cessation root maturation dentinogenesis in premature teeth result a fragile tooth. Revascularization the might be an alternative treatment option. A 12-year-old patient was referred for retreatment chronic apical periodontitis with acute exacerbation a...
Periodontal diseases are multifactorial, caused by polymicrobial subgingival pathogens, including Porphyromonas gingivalis, Treponema denticola, and Tannerella forsythia. Chronic periodontal infection results in inflammation, destruction of connective tissues, periodontal ligament, and alveolar bone resorption, and ultimately tooth loss. Enoxacin and a bisphosphonate derivative of enoxacin (bis...
External inflammatory root resorption (EIR) represents a challenge in endodontic practice. EIR commonly occurs after dental trauma that results in periodontal ligament injury, pulp necrosis and subsequent infection. Treatment of EIR is based on disinfecting the root canal system through chemomechanical procedures and then filling it with calcium hydroxide or triple antibiotic paste. Dental tra...
Background and purpose: This study was conducted to investigate the relationship between the position of impacted canine and associated follicular width. Materials and methods: This cross-sectional descriptive study, included CBCT archival images (n=70) in a maxillofacial imaging center in Sari, Iran. The images were studied by Planmeca Romexis Viewer ver. 3.8.2. Variables were determined and...
INTRODUCTION: External apical root resorption is a common iatrogenic side effect of orthodontic treatment and has been reported particularly in anterior teeth. The etiology multifactorial, complex individual susceptibility to depends on various factors.MATERIALS AND METHOD: degree during was evaluated the post-treatment RVGs maxillary mandibular central lateral incisors 28 skeletal Class II pat...
Introduction. ALBO-HA (Vinca, Serbia) is new nanostructured calcium aluminate cement, synthesized as a potential alternative to mineral trioxide aggregate (MTA). The purpose of this study was compare the periapical tissue response cement with white MTA (MTA Angelus, Londrina, Brasil) root-filling material into root canal sheep?s teeth. Material and methods. Sixteen mandibular incisors from two ...
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