نتایج جستجو برای: canine teeth
تعداد نتایج: 70392 فیلتر نتایج به سال:
Abstract Background and Aim Impacted teeth are those with a delayed eruption time or that are not expected to erupt completely based on the clinical and radiographic assessment. It is a challenge for orthodontists. The treatment plan for each patient depends on his or her facial and dentoskeletal characteristics, cost and risks of treatment, patient's preference, and the orthodontist's experien...
Ankylosis is the abnormal adhesion of alveolar bone to dentin or cementum and commonly seen after traumatic dental injuries. Treatment of impacted and ankylosed teeth solely by orthodontics alignment may be challenging. Consequently, several treatment alternatives have been proposed for the management of ankylosed teeth involving extraction, surgical luxation, and osteotomy followed by dentoalv...
Background: This study aimed to evaluate the cone-beam computed tomography (CBCT) technique considering its reliability diagnose resorption due maxillary impacted canine. Methods: In this cross-sectional study, 68 CBCT images were observed by two oral and maxillofacial radiologists. The position of canine was assessed, severity root in adjacent teeth determined rounds viewing. Finally, statisti...
Mandibular canine impaction and transmigration have serious consequences for the patient, as removal of the tooth or teeth in question is often the only solution. The loss of one or both mandibular canines complicates orthodontic treatment. Early warning signs of mandibular canine ectopia are explored in this paper as well as how to assess the potential for displacement, impaction and/or transm...
One of the salient aims of orthodontic treatment is to acquire a well-established functional bite. This could be reached through having what is called a “canine guided occlusion”. In this type of occlusion the upper and lower canines guide the bite of the rest of the teeth especially during lateral movements. This aids to attain robust masticatory functions and to secure a convenient environmen...
ABSTRACT The purpose of this study was to analyze the overjet and overbite behavior during eruption of the upper permanent incisors. Fourth-eight plaster casts of 16 patients from ages 6-13 years were appraised longitudinally. It was found that the overjet remains constant, starting at the eruption of the upper permanent central incisors until eruption of the upper permanent canine teeth, while...
This project, conducted by the Removable Prosthodontic faculty, compared the mesiodistal widths of the six maxillary anterior teeth with the widths of denture teeth from six different denture tooth manufacturers. Four hundred eighty-eight casts of dental students were measured from the distal aspect of each canine across the facial surfaces of the six anterior teeth with a flexible plastic mill...
Two very small late Eocene anthropoid primates, Catopithecus browni and Proteopithecus sylviae, from Fayum, Egypt show evidence of substantial sexual dimorphism in canine teeth. The degree of dimorphism suggests that these early anthropoids lived in social groups with a polygynous mating system and intense male-male competition. Catopithecus and Proteopithecus are smaller in estimated body size...
A As dentists, we are often faced with the question: to close or not to close? Since maxillary lateral incisors are often congenitally missing, replacement of these teeth raises several important treatment planning concerns. Therefore, it is beneficial to use an interdisciplinary treatment approach to obtain the most predictable outcome. There are multiple treatment options for the replacement ...
Introduction: Maxillary canines have important roles in facial appearance, development of arch, and functional occlusion. Radiographs are important in evaluating the location and nature of these anomalies. The purpose of this study was to evaluate two types of 2D and 3D imaging technique in diagnosis and treatment of maxillary impacted canines. Methods: Thirty eight patients (50 impacted canine...
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