نتایج جستجو برای: dentition system
تعداد نتایج: 2236063 فیلتر نتایج به سال:
Partially edentulous patients are frequently restored with implant-supported restorations between and opposing natural teeth. Differences in horizontal and vertical mobility of teeth and dental implants necessitate occlusal contact modification to create prostheses that harmonize with the opposing dentition. This article describes a functionally generated path technique to achieve optimal artic...
AIM This study aimed to test the accuracy and precision of measurements of three-dimensional (3D) digital models from the pre-dentition period using a noncontact 3D measurement system (3D scanner) versus the gold standard method of direct measurements using a digital caliper on plaster models. MATERIALS AND METHODS Ten pairs of plaster models were obtained from children during the predentitio...
BACKGROUND Tooth wear has a multifactorial etiology, thus it should be assessed within a multiple-variable framework. The objective of this investigation was to assess the association of dietary habits and parental-reported sleep tooth grinding (STG) with tooth wear in children with mixed dentition. METHODS One hundred twenty-one (N = 121) subjects (mean age 9.6 years) participated in a cross...
The purpose of this study was to investigate crown morphologic abnormalities in the permanent dentition of subjects with clefts and unaffected controls. This is a prospective study of 100 patients and 60 control subjects. The study was carried out at the Cleft Lip and Palate Center at the King Abdullah University Hospital and at the Maxillofacial Unit at Jordan University of Science and Technol...
OBJECTIVES To evaluate the changes in the prevalence of dental caries in Lagos State over a 3 years period and the role of age, sex, and playing in the changes observed. MATERIALS AND METHODS Three primary schools in Lagos State, Nigeria were randomly selected for the study. Six hundred and thirty-three children age 2-12 years, were examined for caries in 2000 while 513 children were examined...
BACKGROUND In vertebrates, the left-and-right pairs of homologous organs are generally present in equal numbers. A remarkable exception is snail-eating snakes in the family Pareidae: almost all the pareid snakes have much more teeth on the right mandible than on the left for functional specialization in feeding on the dextral majority of land snails. Because the only exceptional species with sy...
The aim of this study was to evaluate the characteristics (shape of dental arches, overjet and overbite) of the primary dentition of 6- to 39-month-old children from four nurseries of Rio de Janeiro, Brazil, and to associate them to gender and dentition phase. It was observed that 68.6% of the children presented round upper arch, while 31.4% had triangular upper arch; 92% of the children presen...
PURPOSE The objective of this pilot study was to determine the prevalence of coronal dental caries among children with different genetic sensitivity levels of taste, as determined by 6-n-propylthiouracil (PROP). METHODS Coronal caries and restorations in permanent and primary dentition were evaluated in 150 healthy school-aged children aged 6 to 12 years. A filter paper containing 6-n-propylt...
Introduction . The variability of the dentition terms is caused by numerous factors: age and health parents, parity, etc. Children may experience discomfort, which be relieved various pharmacological non-pharmacological methods. Aim. To study effect factors on temporary teeth eruption in children, severity discomfort symptoms therapeutic efficacy a homeopathic medicine during period dentition. ...
Dilaceration is one of the most common complications of trauma to deciduous dentition. The possible causes of dilaceration are trauma and developmental disturbances, while some authors suggest an association with some developmental syndromes. Dilaceration can be seen in both the permanent and deciduous dentition. The present case report describes surgical repositioning of a dilacerated impacted...
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