نتایج جستجو برای: primary molars
تعداد نتایج: 648759 فیلتر نتایج به سال:
The adhesive monomer, Clearfil New Bond, was used to enhance the bond strength between orthodontic brackets and primary molars, premolars, and NiCr crowns. Twenty specimens of each had this dental adhesive applied according to the manufacturer's instructions in addition to a chemically cured composite material. The remaining specimens (20 each) were bonded without the adhesive monomer. Shear bo...
PURPOSE The aim of this study was to compare the effect of mineral trioxide aggregate (MTA) to that of formocresol (FC) as pulp dressing agents in pulpotomized primary molars with carious pulp exposure. METHODS Forty-five primary molars of 26 children were treated by a conventional pulpotomy technique. The teeth were randomly assigned to the MTA (experimental) or FC (control) group by a toss ...
BACKGROUND Inferior alveolar nerve block is a common technique for anesthesia of the primary mandibular molars. A number of disadvantages have been shown to be associated with this technique. Periodontal ligament (PDL) injection could be considered as an alternative to inferior alveolar nerve block. The aim of this study was to evaluate the effectiveness of PDL injection in the anesthesia of pr...
BACKGROUND The most common technique to anesthetize mandibular primary teeth is inferior alveolar (I.A) nerve block injection which induces a relatively sustained anesthesia and in turn may potentially traumatize soft-tissues. Therefore, the need of having an alternative technique of anesthesia with a shorter term but the same efficacy is reasonable. The aim of this study was a comparison of th...
Abstract Objective The goal of primary and secondary endodontic treatment is to eliminate the cause inflammation inside tooth in surrounding tissues. When from root canal system spreads beyond apex root, periapical changes bone tissue and, case upper premolars molars, inflammatory Schneider membrane may occur. Materials Methods In a retrospective documentation analysis treatments, three-dimensi...
Tooth impaction rarely occurs in primary dentition. Most of the primary teeth impactions are seen in second molars. The purpose of this article is to present a 4-year-old girl with bilateral impaction of inverted primary maxillary central incisors which trauma had displaced their tooth germ before erupting.
Bitewing radiographs have been one of the dentist’s chief diagnostic tools in the dental clinic. They increase detection of interproximal caries approximately two-fold when compared to clinical examination alone. To a much lesser extent, the bitewing may be used to diagnose occlusal caries. The dentist examining a bitewing radiograph will pay attention to the alveolar crests thus assessing peri...
UNLABELLED Need for the study: The most important procedure for a successful endodontic treatment is the cleaning and shaping of the canal system. Understanding the internal anatomy of teeth provides valuable information to the clinician that would help him achieve higher clinical success during endodontic therapy. AIMS To evaluate by computed tomography-the internal anatomy of mandibular sec...
,An eight-year-old with extensive decay in both mandibular first permanent molars was examined in October, 1970. Both molars were found to have immature roots. ,4 nonvital molar was treated to achieve apical closure followed later by conventional endodontic therapy. A vital molar was treated with a formocresol pulpotomy followed by conventional endodontic therapy. After 10 years, both molars sh...
OBJECTIVES The purpose of the present study was to retrospectively analyze 170 case series of patients with 200 impacted first and second permanent molars. STUDY DESIGN Records of 104.408 patients were retrospectively screened in this multicenter study. The chosen study population consists of 170 patients who presented with impacted or retained first and second permanent molar. All patients w...
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