abstract：UNLABELLED:Three types of fiber-reinforced composite (FRC) molar crowns were tested on their fracture resistance and marginal adaptation under simulated oral stress conditions. Two glass fiber systems, one processed with a vacuum/pressure system, the other by manual fiber adaptation, and a polyethylene fiber system wer...

journal_title：Journal of dentistry

authors： Behr M,Rosentritt M,Latzel D,Kreisler T

更新日期：2001-03-01 00:00:00

abstract：PURPOSE:Develop a methodology to correlate microtensile bond strength (microTBS) and leakage within the same site of a specimen and evaluate the predominate debond and leakage pathways. MATERIALS AND METHODS:A Class II (MO) slot cavity was prepared in 37 extracted human molars and restored with indirect resin composit...

journal_title：Journal of dentistry

authors： Guzmán-Ruiz S,Armstrong SR,Cobb DS,Vargas MA

更新日期：2001-02-01 00:00:00

abstract：OBJECTIVE:To compare the mechanical behavior, and infer differences in fracture resistance, of mandibular molars with amalgam and composite MOD restorations to that of an unrestored molar. METHOD:Finite element models were developed for an unrestored molar and molars with MOD amalgam and composite restorations. The lo...

journal_title：Journal of dentistry

authors： Arola D,Galles LA,Sarubin MF

更新日期：2001-01-01 00:00:00

abstract：OBJECTIVE:To determine the influence of hard and soft splints with two thicknesses on the stress transmission to the tooth supporting the splint and the opposite tooth. METHODS:Continuous vertical forces up to 500N were applied to two opposite first molar phantom teeth using a universal loading machine. Deformation wa...

journal_title：Journal of dentistry

authors： Halachmi M,Gavish A,Gazit E,Winocur E,Brosh T

更新日期：2000-09-01 00:00:00

abstract：OBJECTIVES:To determine at 5 year follow-up the failure rate, wear rates and other aspects of clinical performance of direct composite inlays compared with conventional composite restorations placed incrementally. METHODS:100 matched pairs of restorations were originally entered into the trial. Each pair consisted of ...

journal_title：Journal of dentistry

authors： Wassell RW,Walls AW,McCabe JF

更新日期：2000-08-01 00:00:00

abstract：OBJECTIVE:The fracture of bonded ceramic to metal restorations remains a problem in clinical dental practice. The use of resin based composites to repair such fractures is generally unsatisfactory. Tribochemical technology creates a surface layer of small silica particles fused to the surface substrate. Such a layer po...

journal_title：Journal of dentistry

authors： Sun R,Suansuwan N,Kilpatrick N,Swain M

更新日期：2000-08-01 00:00:00

abstract：OBJECTIVES:The development of a micro plate assay for cytotoxicity testing of dental materials based on a bioassay using brine shrimp larvae (artemia salina) as sensitive organisms. METHODS:Brine shrimp larvae are commonly used for cytotoxicity assays in pharmacology. These larvae are sensitive to toxic substances. Th...

journal_title：Journal of dentistry

authors： Pelka M,Danzl C,Distler W,Petschelt A

更新日期：2000-07-01 00:00:00

abstract：OBJECTIVES:The objectives of this study were two-fold: (1) to determine (by surfometry) loss of deciduous and permanent enamel and dentine following 15days' exposure to a single low pH orange drink; and (2) to determine (by surfometry) loss of deciduous and permanent enamel and dentine following exposure to the product...

journal_title：Journal of dentistry

authors： Hunter ML,West NX,Hughes JA,Newcombe RG,Addy M

更新日期：2000-05-01 00:00:00

abstract：OBJECTIVES:Wear of dental hard tissues, e.g. dental erosion, is reported to be a growing problem. A non-destructive measurement of enamel layer thickness would provide the opportunity for both early diagnosis, and longitudinal measurement of progressive enamel loss. It was the aim of this study to investigate the poten...

journal_title：Journal of dentistry

authors： Huysmans MC,Thijssen JM

更新日期：2000-03-01 00:00:00

abstract：OBJECTIVES:The objective of this study was to assess the clinical performance of a direct placement gallium alloy sealed with an established dentine adhesive system. In addition, microanalysis of a few gallium restorations that failed in clinical service was performed. Clinical factors such as pulpal sensitivity, fract...

journal_title：Journal of dentistry

authors： Neo J,Chew CL,Osborne JW,Mahler DB

更新日期：2000-02-01 00:00:00

abstract：OBJECTIVES:Ultrasound may offer a possible alternative to rotary instruments for removing bone. This study was undertaken to analyse in vitro the various factors that influence the cutting of bone by an ultrasonic chisel. STUDY DESIGN:A block of bovine femur was moved in a longitudinal direction under a stationary ult...

journal_title：Journal of dentistry

authors： Khambay BS,Walmsley AD

更新日期：2000-01-01 00:00:00

abstract：OBJECTIVES:The aim of this research was to evaluate the effect of titanium tetrafluoride on dentine permeability in comparison with sodium fluoride and acidulated phosphate fluoride to determine their contribution to acid resistance of dentine. METHODS:Thirty-two dentine discs were prepared from extracted mandibular m...

journal_title：Journal of dentistry

authors： Kazemi RB,Sen BH,Spångberg LS

更新日期：1999-09-01 00:00:00

abstract：OBJECTIVE:To compare a silver-reinforced glass ionomer material (cermet) with a resin-modified glass ionomer in minimal Class II preparations in primary teeth. METHODS:Matched pairs of primary molars with approximal caries that required operative treatment were used. Each cavity was filled with either Vitremer or Keta...

journal_title：Journal of dentistry

authors： Espelid I,Tveit AB,Tornes KH,Alvheim H

更新日期：1999-08-01 00:00:00

abstract：OBJECTIVE:To investigate the flexural strength and fluoride release of four conventional glass-ionomer cements: Ketac-Molar (KM), HiFi (HF), Vivaglass Fil (VF), Ketac-Fil (KF) and a newly developed glass polyphosphonate cement, Diamond Carve (DC). METHOD:Disc specimens (10 mm diameter, 1 mm thick) were prepared and mo...

journal_title：Journal of dentistry

authors： Khouw-Liu VH,Anstice HM,Pearson GJ

更新日期：1999-07-01 00:00:00

abstract：:Enamel blocks bearing artificial caries are used in intra-oral appliances for cariogenicity tests. These blocks are often sterilised to prevent the possibility of cross-infection via this route. This study therefore aimed to determine the effect of sterilisation methods on the structural integrity of artificial enamel...

journal_title：Journal of dentistry

authors： Amaecha BT,Higham SM,Edgar WM

更新日期：1999-05-01 00:00:00

abstract：OBJECTIVES:The light intensity of curing lights used in private dental offices was measured using commercial curing and heat radiometers and related to uniformity of cure depth of standardized composite specimens. METHODS:The intensity of 130 curing light from 107 dental offices was measured with curing and heat radio...

journal_title：Journal of dentistry

authors： Pilo R,Oelgiesser D,Cardash HS

更新日期：1999-03-01 00:00:00

abstract：OBJECTIVES:The failure of the bond between acrylic resin denture base material and resin teeth remains a significant problem. This study evaluated the tensile bond strength of specimens produced by commonly employed tooth preparation and processing methods as used in dental laboratories. METHODS:Twenty-two experimenta...

journal_title：Journal of dentistry

authors： Cunningham JL,Benington IC

更新日期：1999-02-01 00:00:00

abstract：OBJECTIVES:Three luting cements based on zinc oxide phosphate, glass ionomer or composite resin were compared with respect to their influence on the anaerobic fermentation of sucrose by human oral bacteria. METHODS:Fifteen standardized samples of each of the three luting cements were prepared according to the manufact...

journal_title：Journal of dentistry

authors： Schmeiser R,Gülzow HJ

更新日期：1999-01-01 00:00:00

abstract：OBJECTIVES:The purpose of the study was to evaluate the intra- and inter-examiner variability of a panel of examiners using a 'glance and grade' marking system when assessing Class II preparations. METHODS:The examination panel consisted of five university staff with varying clinical and teaching experience. The panel...

journal_title：Journal of dentistry

authors： Jenkins SM,Dummer PM,Gilmour AS,Edmunds DH,Hicks R,Ash P

更新日期：1998-11-01 00:00:00

abstract：OBJECTIVES:The bonding of resin to dentine is dependent largely on surface modifications. The purpose of the present study was to test the hypothesis that a role of the metal chlorides used as primers is to initiate polymerization of resin at the resin-dentine interface, thereby affecting bond strength. METHODS:Nine p...

journal_title：Journal of dentistry

authors： Taira Y,Matsumura H,Yoshida K,Kamada K,Tanaka T,Atsuta M

更新日期：1998-09-01 00:00:00

abstract：OBJECTIVES:Reattachment of the avulsed enamel-dentine coronal fragment to the remaining tooth structure has become an accepted clinical alternative to a resin composite build-up for the restoration of crown fractured teeth. Since little knowledge exists as to the pulpal response to this procedure, this study was design...

journal_title：Journal of dentistry

authors： Robertson A,Andreasen FM,Bergenholtz G,Andreasen JO,Munksgaard C

更新日期：1998-07-01 00:00:00

abstract：OBJECTIVES:Dentine modifies pulpward diffusion of monomers leaching from restorative materials. Thus, remaining dentine thickness must be taken into account during in vitro cytotoxicity tests. This in vitro study was designed to determine the influence of dentine permeability on the outcome of a cytotoxicity test. MET...

journal_title：Journal of dentistry

authors： Abou Hashieh I,Franquin JC,Cosset A,Dejou J,Camps J

更新日期：1998-07-01 00:00:00

abstract：OBJECTIVES:To make an inventory of clinical studies on veneer restorations (VRs) using a meta-analysis review procedure and to aggregate an overall survival result for four types of VRs. METHODS:From the dental literature published from 1983 to November 1996, papers were selected using an in- and exclusion protocol in...

journal_title：Journal of dentistry

authors： Kreulen CM,Creugers NH,Meijering AC

更新日期：1998-05-01 00:00:00

abstract：OBJECTIVES:A monomer methacryloyloxydodecylpyridinium bromide (MDPB) has antibacterial activity before polymerization. Furthermore, the antibacterial agent is immobilized by the polymerization of MDPB and the resin-based material incorporating MDPB is able to show an antibacterial effect even after being cured. The pur...

journal_title：Journal of dentistry

authors： Imazato S,Ehara A,Torii M,Ebisu S

更新日期：1998-03-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to compare the in-vitro caries inhibition of two polyacid-modified composite resins (PMCRs). METHODS:Three standardized class V cavities were prepared in eight extracted human molar teeth. Two of these cavities in each tooth were restored with Compoglass and Dyract according to man...

journal_title：Journal of dentistry

authors： Millar BJ,Abiden F,Nicholson JW

更新日期：1998-03-01 00:00:00

abstract：OBJECTIVES:Traditional mechanical methods of retaining restorative materials have been replaced to a large extent by tooth conserving adhesive restorative techniques. Because adhesives have been evolving so rapidly for the last few years, the timing is right for evaluating the clinical status of present day adhesives. ...

journal_title：Journal of dentistry

authors： Van Meerbeek B,Perdigão J,Lambrechts P,Vanherle G

更新日期：1998-01-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to measure the satisfaction of patients with respect to the aesthetics of veneer restorations (VRs) and to identify potential factors influencing their satisfaction. MATERIALS AND METHODS:One hundred and eighty VRs of three different types (direct composite, indirect composite and ...

journal_title：Journal of dentistry

authors： Meijering AC,Roeters FJ,Mulder J,Creugers NH

更新日期：1997-11-01 00:00:00

abstract：OBJECTIVES:The bonding of acrylic resin to dental prostheses constructed from metal has been the subject of extensive research in recent years, much of it between base-metal alloys such as Ni-Cr alloys and dental composite. The development of techniques for the manufacture of dental appliances from titanium and titaniu...

journal_title：Journal of dentistry

authors： Mudford L,Curtis RV,Walter JD

更新日期：1997-09-01 00:00:00

abstract：OBJECTIVES:The purpose of this study was to determine the longevity and quality of Class I and Class II resin composite (Herculite XR) restorations placed in private practice. METHODS:One thousand two hundred and nine Class I and Class II composite restorations with margins in enamel were evaluated clinically after pe...

journal_title：Journal of dentistry

authors： Geurtsen W,Schoeler U

更新日期：1997-05-01 00:00:00

abstract：OBJECTIVES:The purpose of this study was to determine the dentine fluoride uptake from three fluoride-containing composites (FluorEver, FluoroCore and Pertac-Hybrid) and to investigate their ability to affect the resistance of dentine to an artificial caries challenge. METHODS:Three dentine slabs were prepared from ea...

journal_title：Journal of dentistry

authors： Kawai K,Heaven TJ,Retief DH

更新日期：1997-05-01 00:00:00

abstract：OBJECTIVES:The purpose of the study was to investigate denture satisfaction related to treatment modality, age, gender, denture quality, chewing ability, denture experience and patients' attitude towards denture wearing. METHODS:In a randomized controlled clinical trial 74 patients who required immediate denture thera...

journal_title：Journal of dentistry

authors： Jonkman RE,van Waas MA,van 't Hof MA,Kalk W

更新日期：1997-03-01 00:00:00

abstract：OBJECTIVES:One of the reasons for using composite inlays is that restorations can be tempered. Composites tempered with heat and light have, at least initially, an enhanced degree of cure which, it is claimed, improves their physical properties, including wear resistance. The aim of this study was to compare the wear r...

journal_title：Journal of dentistry

authors： Wassell RW,McCabe JF,Walls AW

更新日期：1997-01-01 00:00:00

abstract：OBJECTIVES:Astra Tech implants have been used to provide implant supported overdentures for 25 people, 13 with paired stud retention, 10 with paired magnetic retention and two with magnetic retention on three fixtures. RESULTS:The first case was completed in June 1990 and the last in May 1992. Of the 52 fixtures which...

journal_title：Journal of dentistry

authors： Davis DM

更新日期：1997-01-01 00:00:00

abstract：OBJECTIVE:Bitewing radiographs are the main tool for approximal caries detection. However, interpretation of findings is affected by numerous factors, such as beam angulation, exposure conditions, morphologic variations, etc. The objective of the present study was to compare the ability to detect virtually identical, a...

journal_title：Journal of dentistry

authors： Eli I,Weiss EI,Tzohar A,Littner MM,Gelernter I,Kaffe I

更新日期：1996-11-01 00:00:00

abstract：OBJECTIVES:The demand for restoration of root dentine defects such as cervical erosion and root caries has significantly increased recently, but there is limited information on the performance of the adhesive resins to radicular dentine. The purpose of this study was to measure the regional tensile bond strength (TBS) ...

journal_title：Journal of dentistry

authors： Yoshiyama M,Carvalho RM,Sano H,Horner JA,Brewer PD,Pashley DH

更新日期：1996-11-01 00:00:00

abstract：OBJECTIVES:This paper reports the findings of a study on the roles of dental nurses in cross-infection control in general dental practices and who were undergoing training for their initial certificate. The research aimed to find out what factors in their vocation gave them satisfaction, what caused stress and the bear...

journal_title：Journal of dentistry

authors： Sarll DW,Jones JH,Ashton MA

更新日期：1996-09-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to identify factors influencing the selection of restorative materials. METHODS:In 1992, a random sample of Finnish dentists working in the public and private health care sectors were asked to provide information on restorative treatments during a given period. The study material co...

journal_title：Journal of dentistry

authors： Forss H,Widström E

更新日期：1996-07-01 00:00:00

abstract：OBJECTIVES:Approximately 1.5 million panoramic radiographs are taken annually in the general dental service in England and Wales. The aim of this review was to assess the clinical role of panoramic radiology in the diagnosis of diseases associated with the teeth and to consider its value in routine screening of patient...

journal_title：Journal of dentistry

authors： Rushton VE,Horner K

更新日期：1996-05-01 00:00:00

abstract：OBJECTIVES:The reason for high water absorption by room temperature vulcanizing (RTV) silicone denture soft lining materials has not been demonstrated previously. An experimental room-temperature vulcanizing (RTV) silicone soft lining material which had been shown to have good mechanical properties had high water absor...

journal_title：Journal of dentistry

authors： Waters MG,Jagger RG,Winter RW

更新日期：1996-01-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate restorations, previously placed in clinical trials, for the rate of wear of the proximal surfaces, by tooth position. MATERIALS AND METHODS:Seventy resin composite restorations were evaluated in bicuspids and molars. Fifty restorations were direct placement restorati...

journal_title：Journal of dentistry

authors： Wendt SL Jr,Ziemiecki TL,Leinfelder KF

更新日期：1996-01-01 00:00:00