نتایج جستجو برای: dentition system
تعداد نتایج: 2236063 فیلتر نتایج به سال:
PURPOSE This study compares the accuracy of space prediction for the unerupted permanent canines and premolars by a recognized method of mixed dentition space analysis (Moyers technique) vs estimation by simple visual observation (SVO). METHODS Twenty clinicians with varying levels of dental experience and training blindly assessed study models of 4 intact arches (2 maxillary and 2 mandibular...
In the mixed dentition, arch length preservation, maintaining the leeway space, can often provide adequate space to resolve lower incisor crowding. Yet the frequency of this occurrence is not known. To obtain this information, lingual arches were placed in the mandibular arches of 107 consecutive mixed dentition patients with incisor crowding to preserve arch length and make the leeway space av...
Basic studies and researches on craniofacial growth show that occlusal plane changes its position in space and time during the whole period of development and growth of the skull until the attainment of the mature dentition stage. The purpose of this retrospective study is to evaluate the inclination of the gnatological occlusal plane related to the axio-orbital plane and their relations with s...
Prevalence of double teeth in primary dentition of 0.5% was established in the sample of 2.987 preschool children of Zagreb. Between children with double teeth 60% were female and 40% males. Fusion ocurred in 66.7 percent and germination in 33.3 percent in the sample of children having double teeth. In all children with double teeth orthopantomograms were taken. Analysis of radiographs revealed...
The purpose of the study was to investigate the relationship between incisor and condyle movement during protrusion in children with primary dentition. Subjects were categorized into two age groups. A primary dentition group consisted of 20 children and a permanent dentition group consisted of 25 women. The occlusions and TMJs in both groups were normal, with no history of orthodontic treatment...
The mouth is a mirror of health or disease, a sentinel or early warning system. As the gateway to the body, a constant barrage of invaders like bacteria, viruses, parasites, and fungi, challenges the mouth. Many systemic diseases have oral manifestations. These lesions develop on the oral mucosa, tongue, gingiva, dentition, periodontium, salivary glands, facial skeleton, extraoral skin and othe...
To analyse and compare a bite mark left on human skin with a suspect's dentition is a difficult procedure. The assumption that the human dentition is unique plays an important role in this process. However it is near impossible to prove that a particular bite mark was produced by a specific dentition. Key elements to analyse a bite mark are the amount of detail available in the information abou...
The term anterior open bite, which means no contact between anterior teeth, stands out in current orthodontic by the complexity of the treatment, associated with high levels of instability and recurrence. The purpose of this study is to emphasize that early etiological diagnosis is essential to the successful outcome of the technical intervention. The bibliographical study shows that, once the ...
Clouston syndrome (hidrotic ectodermal dysplasia) is characterized by the clinical triad of nail dystrophy, alopecia and palmoplantar hyperkeratosis. Clouston syndrome is transmitted as an autosomal dominant trait and caused by mutations in the GJB6 gene (13q12), encoding the gap junction protein connexin 30 (C × 30). At present, there is no treatment for the disease and management is purely su...
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