نتایج جستجو برای: dentition
تعداد نتایج: 5461 فیلتر نتایج به سال:
Purpose. To compare errors in digital panoramic radiographs of permanent and mixed dentitions. Methods. 143 and 146 digital radiographs of mixed and permanent dentitions were examined. Results. Significantly fewer errors presented in the mixed dentition. Positioning too forward significantly prevalent in the mixed dentition; slumped position and nonpositioning of chin properly were significantl...
Supernumerary teeth are considered as one of the most significant dental anomalies during the primary and early mixed dentition stages. They are of great concern to the dentists and parents because of the eruption, occlusal, and esthetic problems they can cause. Supernumerary teeth occur more frequently in the permanent dentition but rarely in primary dentition and more often seen in males. A s...
Human teeth are diphyodont excepting the permanent molars. The deciduous teeth are, ontogenetically considered, the first generation of teeth. The permanent teeth (except molars) belong to the second dentition. The term " third dentition " (also called the postpermanent dentition) refers to the opinion that one more set of teeth can occur in addition to the permanent teeth. The processes by whi...
This retrospective study aimed to evaluate the difference in measurement between conventional orthodontic analysis and artificial intelligence pediatric adolescent patients aged 7 - 15 with mixed permanent dentition. A total of 60 (30 dentition, 30 dentition) who underwent lateral cephalometric radiograph for diagnosis were randomly selected. Seventeen landmarks identified, 22 measurements calc...
The aim of this study was to assess the individual and grouped influence of host-related factors on dental caries experience in permanent dentition of 7-9 year-old children. One hundred and twenty one children were recruited applying a stratified cluster sampling without replacement. Clinical examinations, Colorimetric Test and non-stimulated and stimulated saliva collection were performed; the...
Dental crowding is the most common form of malocclusion. It more pronounced in mandible than maxilla and tends to increase with age. Depending on degree space deficiency age children prevalence dental can be as high 50%. Schwartz appliance lip bumper have been widely used an early treatment for increasing lower arch dimensions. The aim this review evaluate scientific research about efficacy com...
An increased number of teeth in relation to normal dental formula is called hyperdontia, and the additional tooth are termed as supernumerary tooth. A supplemental a that closely resembles shape its adjacent with which they associated supplements for occlusion. Primary dentition presents lower prevalence compared permanent dentition. This report primary
Supernumerary teeth occur frequently in permanent dentition, but they are rarely found in primary dentition. Supernumerary teeth of orthodox shape and size that resemble normal dentition are called 'supplemental teeth'. Supplemental teeth are less common than supernumerary teeth and are often overlooked because of their normal shape and size.Supplemental teeth may cause esthetic problems, delay...
The objectives of the present study were to establish dental caries prevalence (percentage with caries) and experience in the primary and permanent dentition (dmft and DMFT) of 6 to 13-year-old schoolchildren in Campeche, Mexico, and to estimate the contributing roles of the likely risk indicators. A cross-sectional study was carried out in 1,644 children aged 6-13 years. Self-administered ques...
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