نتایج جستجو برای: anterior teeth
تعداد نتایج: 157288 فیلتر نتایج به سال:
Introduction: The flexible spiral wire (FSW) retainer is the most frequently used type of fixed retainer bonded on all 6 anterior teeth. Our aim in this article was to demonstrate unexpected posttreatment changes in the labiolingual position of the mandibular anterior teeth associated with the use of FSW retainers. Methods: During a 3-year period, patients attending the postgraduate orthodontic...
AIM The present case report described the use of contact lens of thin porcelain veneers as a restorative therapy to solve anterior teeth disharmony. BACKGROUND Fragments of thin veneers are minimally invasive restorations with little or no dental preparation and present thickness ranging from 0.2 to 0.5 mm. They are used in case of diastema closure, small changes of teeth, color and restorati...
BACKGROUND The CBCT imaging technique exhibits proper accuracy to determine the internal anatomy of teeth. Therefore, this technique can use to estimate age by measuring the amount of decrease in the volume of the pulpal cavity of teeth. The aim of the present study was to evaluate the correlation between chronological age and pulp-to-tooth volume ratios in anterior teeth with the use of the CB...
BACKGROUND In daily clinical practice, esthetics of anterior teeth is a common presenting complaint of patients. OBJECTIVE This case report discusses the management of asymmetric smile associated with unsatisfactory extensive composite restorations and describes a clinical protocol using the direct composite resin for smile enhancement to restore the dental harmony of anterior teeth. METHOD...
Tooth pulp atrophy occurs with increasing age. An age estimation procedure using dental cone beam computed tomography (CBCT) imaging was developed. Clinical dental CBCT images of 60 patients (aged from 20 to 80 years) were evaluated. The ratio of the cross-sectional area of the pulp cavity to the cross-sectional area of the tooth (pulp cavity ratio) was calculated. The pulp cavity ratio in the ...
Trauma to anterior teeth is common and requires accurate diagnosis and thorough treatment planning. The maxillary incisors are often affected during injury to the face because of their normal labial projection inflicting damage to the crowns. Multidisciplinary treatment approach is important for aesthetic and functional rehabilitation of anterior teeth with crown fracture. The purpose of this a...
The objective of the study was to determine the current prevalence of supernumerary teeth (PST) in the population of a Swiss community. 3,004 orthopantomograms (OPTs) routinely produced during the annual school dental examinations in the Winterthur municipality from 1990 to 2005 served as the study basis (average age 9.45 years, 1391 girls, 1613 boys, age range 6-15 years). The study found 44 s...
BACKGROUND Avulsed frontal teeth often cannot be saved because of improper or lack of initial treatment. The result is a need for multiple interventions over the patient's lifetime, which also carry a high financial cost. METHODS We explored the subject of lost anterior teeth in young patients with a PubMed search based on the term "prevalence of traumatic dental injuries" over the time perio...
Loss of anterior teeth is a psychological trauma both for parent as well as children. Children presenting with lost anterior teeth along with thumb sucking habit require not only attention for aesthetics, function and space maintenance but also an appliance for habit breaking. Depending on many clinical and economic factors, a course of treatment is decided by the dentist in consultation with p...
Introduction: Regarding the anatomic variety in the anterior mandible it is necessary to obtain adequate information about the vital structures in this area to protect them in dental surgeries and preventing injuries that might occur afterwards. The aim of this study is to describe anatomic characteristics of mental foramen and anterior loop on CBCT images. Materials and Methods: On CBCT imag...
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