نتایج جستجو برای: primary teeth
تعداد نتایج: 674419 فیلتر نتایج به سال:
introduction: the aim of this trial was to compare clinical and radiographic success rates of direct pulp capping (dpc) using a novel biomaterial called calcium enriched mixture (cem) cement versus mineral trioxide aggregate (mta) in primary molar teeth. materials and methods: in this randomized clinical trial 42 deciduous molars in 21 patients who had at least two teeth requiring dpc, were tre...
Background: Traumatic injuries to the primary dentition are a frequent occurrence in children during the preschool ages of 1 to 4 years and are primarily due to falls. Developmental disturbances to the permanent teeth can occur from trauma to the primary dentition, resulting in hypoplastic defects and disruptions in eruption. The aim of this clinical case report was to demonstrate that developm...
Teeth are good indicators of environmental exposure to heavy metals and of nutritional status. Inductively coupled plasma-mass spectrometry (ICP-MS) was used to compare the content of trace elements in primary and permanent teeth. For this purpose, primary teeth were collected from 64 children and 112 permanent teeth were collected from 40to 60-year-old adults. The data were assessed statistica...
Caries in very young children known as early childhood caries may be defined according to the American Academy of Pediatric Dentistry as “the presence of one or more decayed, missing (due to caries), or filled tooth surfaces in any primary tooth in a child 71 months of age or younger” (1,2). Early Childhood Caries (ECC) is a complex disease, which involves maxillary primary incisors within a mo...
Compared with the abundant literature on the replantation of avulsed permanent teeth, the literature on replantation of avulsed primary teeth is significantly more limited. A search of PubMed, using the terms: primary teeth, primary incisors, avulsion, exarticulation, replantation and reposition, and search in the reference list of the relevant articles, revealed 16 case reports of replantation...
Dentinal bridge formation and pulpal responses of four calcium hydroxide materials, pulp capping medicaments, MPC, Experimental MPC-12, Dycal and Pulpdent, were evaluated in primary and permanent monkey teeth. A total of 60 primary and 60 permanent teeth were used with each material placed in a Class V cavity exposure in Rhesus monkey teeth. The materials were placed on the exposed pulp tissue ...
The diagnostic value of dark-gray discoloration of the crown of primary incisors following traumatic injury as a predictor of pulp vitality is controversial. This retrospective study attempted to examine the condition of the pulp of primary incisors with dark-gray discoloration following traumatic injuries. Forty-eight gray caries-free, traumatized primary incisors were examined clinically and ...
OBJECTIVE The aim of this study was to examine if there are qualitative differences in the appearance of external root resorption patterns of primary teeth undergoing physiologic resorption and permanent teeth undergoing pathological root resorption in different conditions. MATERIAL AND METHODS A total of 40 teeth undergoing external root resorption in different conditions were divided into 4...
introduction: dental trauma is a very significant problem in primary dentition. it has a physical, esthetic and psychological impact on the child and his/her parents. the purpose of this study was to assess the prevalence of traumatic inju ries to the anterior primary teeth and deter mining factors in 2-5-year-old children in rasht, 2012. materials and methods: this research was a cross-section...
Introduction: Understanding parental perceptions about early childhood oral health is important in order to develop effective preventive measures since parents’ health behaviours and practices usually have a direct influence on their children’s dental health. The aim of this pilot study was to evaluate parental views about the primary teeth, first dental visit, and use of behaviour modification...
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