نتایج جستجو برای: anterior primary teeth
تعداد نتایج: 786521 فیلتر نتایج به سال:
This study investigated the epidemiology, sequelae, and prognosis of subluxation injuries to the maxillary primary anterior dentition. Data were collected from dental records at the Montreal Children's Hospital, Montreal, Canada, of patients sustaining trauma between 1982 and 1993. The study group consisted of 207 teeth in 134 patients, 81 males and 53 females. The age of the patients ranged fr...
OBJECTIVES Correct determination of working length is an important step for success of endodontic therapy. Conventional radiography has limitations in providing the accurate location of apical foramen. For this reason, electronic apex locators (EALs) were developed to shorten the treatment time and decrease the radiation dose. The aim of this study was to evaluate the accuracy of Root ZX EAL fo...
OBJECTIVES This in-vitro study aimed to compare the push-out bond strength of composite to prepared and unprepared intracanal dentin using a 5th generation bonding agent in primary anterior teeth after etching for seven and 15 seconds. MATERIALS AND METHODS Sixty primary anterior teeth were randomly divided into four groups. In groups one and two, intracanal dentin remained intact while in gr...
Objective: Oral iron drops are recommended for children aged 6-24 months to prevent iron-deficiency anemia. However, their use is associated with the potential risk of erosion and microhardness reduction of primary teeth enamel due to their high acidity. It seems that the combination of silicone oil, nano-hydroxyapatite and chitosan powder may be able to improve the microhardness and surface ...
Compound odontomas are the commonest benign odontogenic tumours of jaws affecting mostly children and adolescents. These developmental malformations display many tooth-like structures or denticles that consist well-defined dental tissues with diverse morphologies. Majority these lesions occur as intraosseous masses in maxillary anterior region incidental radiographic findings. primarily associa...
The Anterior Dental Loading Hypothesis states that the unique Neanderthal facial and dental anatomy was an adaptive response to the regular application of heavy forces resulting from both the masticatory and cultural use of the anterior teeth. Heavy anterior tooth wear frequently observed in Neanderthal specimens is cited as a main source of evidence for heavy forces being applied to these teet...
Primary teeth play an important role in mastication, speech and occlusion of permanent dentition. Due to high prevalence of dental caries in primary teeth, it is essential to educate parents about prevention and management of dental caries of children. The objective of this study was to determine the pattern and prevalence of caries in primary teeth among children reporting to Khyber College of...
Background and Aim. Esthetic concerns in primary teeth have been studied mainly from the point of view of parents. The aim of this study was to study compare the opinions of children aged 5-8 years to have an opinion regarding the changes in appearance of their teeth due to dental caries and the materials used to restore those teeth. Methodology. A total of 107 children and both of their parent...
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