نتایج جستجو برای: stainless steel crown
تعداد نتایج: 101781 فیلتر نتایج به سال:
background and aims. due to anatomic variation in tooth anatomy between populations, this study compared the buccolingual (bl) and mesiodistal (md) dimensions of primary molars with those of stainless steel crowns (sscs) in an iranian population. materials and methods. impressions were taken from both dental arches of children, and casts were poured. teeth with caries, restoration, hypoplasia o...
Background and Aim: The need for recrimping precrimped stainless steel crowns by the dentist in clinic is controversial. This study aimed to evaluate the rate of marginal circumference and marginal thickness change of precrimped stainless steel crowns after recrimping. Materials and Methods: In this experimental study, 30 primary photos were taken from margins of 30 S.S.Cs (3M, Ni-Cr) related t...
incomplete adaptation of stainless steel crown margins leads to microleakage. the aim of this study was to evaluate the effect of tooth preparation on microleakage of stainless steel crowns (sscs) placed on mesiodistally reduced primary mandibular first molars.in this in vitro study, 60 primary mandibular first molars with reduced mesiodistal dimension were selected. pulp cavities were filled w...
The chief goal of full coronal restoration using preformed stainless steel crowns (SSC) is replication of normal crown form and function. Marginal adaptation of SSCs involves appropriate crown size selection, trimming the crown form to achieve proper length, crimping crown edges to proximate the prepared tooth, and finishing and polishing the crown form. This report about SSC restoration focuse...
The “reverse” stainless steel crown is a well-known method of correcting single tooth anterior crossbite (Fig 1). When an elongated preformed incisor stainless steel crown is luted with the lingual surface facing labially, the resulting slope contacts the opposing mandibular incisors and normal occlusal forces move the incisors out of crossbite relationship. The reverse crown method corrects “d...
Retentive properties of three dental cements were tested using stainless steel crowns Fitted to extracted third molar teeth. No significant difference was Found between the overall mean retentive Forces of the polycarboxylate cement and the two glass ionomer cements. Mechanical retention of the crowns was not a Factor in the overall retentive value. Few studies have investigated the retention o...
PURPOSE The purpose of this in vitro study was to determine the effect of crimping and cementation on retention of veneered stainless steel crowns. METHODS One hundred twenty crowns, 90 from 3 commercially available brands of veneered stainless steel crowns (Dura Crown, Kinder Krown, and NuSmile Primary Crown) and 30 (plain) Unitek stainless steel crowns were assessed for retention. An orthod...
Patients with tooth grinding habits may tend to wear through the occlusal surfaces of stainless steel crowns. A technique is described which prevents this problem by increasing metal occlusal surface thickness of the crown.
Several alloys described as stainless steel which resist tarnish and corrosion in the mouth are being used for a variety of dental appliances and instruments. Probably the greatest application of stainless steel is for orthodontic arch wires and bands, while a more limited use is for temporary space maintainers and crown forms. Root-canal files and reamers designed for endodontic operations als...
The purpose of tins study was to evaluate the surface produced when stainless steel crowns were polished by several technics and to compare the ability of the various polished surfaces to resist bacterial plaque accumulation. Twenty-one Unitek and twenty-one Ion primary molar stainless steel crowns were divided into several groups containing three crowns each. Each group was polished with a dif...
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