abstract：:To reveal the acoustic characteristics associated with hypernasality and to ascertain their correlation to the severity of hypernasality, 30 speech samples produced by 15 maxillectomy patients were acoustically analysed with and without an obturator prosthesis in place. The isolated, sustained Japanese vowel /i/ was u...

journal_title：Journal of oral rehabilitation

authors： Yoshida H,Furuya Y,Shimodaira K,Kanazawa T,Kataoka R,Takahashi K

更新日期：2000-08-01 00:00:00

abstract：:The aims of this study were to observe the release of fluoride ions (F-) from GC-Fuji Lining-LC(R) glass-ionomer cement, to assess the diffusion process, and to measure fluoride diffusivity (D) in the set cement. Specimens of various dimensions and shapes, ranging from discs to cylindrical rods, were fabricated for bo...

journal_title：Journal of oral rehabilitation

authors： Lee SY,Dong DR,Huang HM,Shih YH

更新日期：2000-07-01 00:00:00

abstract：:The viscoelastic properties of denture base polymers, such as poly(methylmethacrylate) (PMMA), polycarbonate (PC), polysulfone (PSF) and polyethersulfone (PES) which have been used in current clinical dentistry were investigated. In addition, water absorption, diffusion coefficient of water into material, cubical expa...

journal_title：Journal of oral rehabilitation

authors： Hiromori K,Fujii K,Inoue K

更新日期：2000-06-01 00:00:00

abstract：:The purpose of the present study was to examine the effect of custom tray designs on local pressures against teeth during the impression procedure. In a previous study, a partially edentulous simulation model with a mobile tooth was used, and the effect of custom tray designs on the displacement of the mobile tooth wa...

journal_title：Journal of oral rehabilitation

authors： Nishi Y,Tsuru K,Kishita C,Hamano T,Kawahata N,Nagaoka E

更新日期：2000-05-01 00:00:00

abstract：:The influence of head posture on movement paths of the incisal point (IP) and of the mandibular condyles during free open-close movements was studied. Ten persons, without craniomandibular or cervical spine disorders, participated in the study. Open close mandibular movements were recorded with the head in five postur...

journal_title：Journal of oral rehabilitation

authors： Visscher CM,Huddleston Slater JJ,Lobbezoo F,Naeije M

更新日期：2000-04-01 00:00:00

abstract：:This in vitro study evaluates the degradation of repaired denture bases upon immersion in a simulated oral fluid. Denture base materials (Luciton 199), after being repaired by Repair Material and Triad, using three different joint surface designs (butt, round and 45 degrees bevel), were immersed onto 99.5 vol.% ethano...

journal_title：Journal of oral rehabilitation

authors： Lin CT,Lee SY,Tsai TY,Dong DR,Shih YH

更新日期：2000-03-01 00:00:00

abstract：:The purpose of this study was to evaluate the efficacy of a number of additives to acid conditioners at reducing the denaturation of dentine collagen. Dentine collagen is normally not very susceptible to trypsin attack. After denaturation, however, it becomes more susceptible to the action of trypsin. Slabs of human d...

journal_title：Journal of oral rehabilitation

authors： Agee K,Zhang Y,Pashley DH

更新日期：2000-02-01 00:00:00

abstract：:A group of 248 randomly selected high school girls, aged 15-16 years, completed a questionnaire and were examined clinically with regard to various oral habits and signs and symptoms of temporomandibular disorders (TMD). Common habits reported in the literature, such as gum chewing, nail biting, biting foreign objects...

journal_title：Journal of oral rehabilitation

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

更新日期：2000-01-01 00:00:00

abstract：:Combined electrophysiological and psychophysical experiments were performed on 15 human subjects to investigate the possible effects of perceived stress or mental occupation on jaw reflexes. Electromyographic recordings were made from the masseter and anterior temporalis muscles, of the series of excitatory and inhibi...

journal_title：Journal of oral rehabilitation

authors： Cadden SW,Van Der Glas HW,Van Der Bilt A

更新日期：1999-12-01 00:00:00

abstract：:The aim of this study was to evaluate the effect of oscillating forces upon the flow of five dental cements. A laboratory investigation was carried out using a crown and die. It showed that the application of oscillating forces improved the flow of the tested dental cements when combined with low static loads and wide...

journal_title：Journal of oral rehabilitation

authors： Judge RB,Wilson PR

更新日期：1999-11-01 00:00:00

abstract：:The aim of the present study was to evaluate two different methods for the assessment of the positional stability of occlusion. The time taken from first contact on closure to full intercuspation was measured by the T-scan(R), and the length of the slide between centric relation (CR) and maximum intercuspation was cli...

journal_title：Journal of oral rehabilitation

authors： Kirveskari P

更新日期：1999-10-01 00:00:00

abstract：:The aim of this study was to measure the colour stability and viscoelastic properties of three commercially available soft lining materials in vitro, by exposing them to 3% erythrosine, tartrazine and sunset yellow solutions. The colour changes were determined using a computer controlled spectrophotometer. The colour ...

journal_title：Journal of oral rehabilitation

authors： Canay S,Hersek N,Tulunoğlu I,Uzun G

更新日期：1999-10-01 00:00:00

abstract：:The purpose of this study was to determine the effect of simulated ageing on the physical properties of some soft denture liners. The hardness, tensile strength and percentage elongation values were determined before and after ageing treatment. At the end of the experimental ageing process softening was observed only ...

journal_title：Journal of oral rehabilitation

authors： Hekimoğlu C,Anil N

更新日期：1999-09-01 00:00:00

abstract：:The study aimed to compare the locations of the hinge axis and the kinematic centre in both clicking and non-clicking TMJs. The six degrees of freedom optoelectronic jaw movement recording system OKAS-3D was used to record open/close movements in 10 asymptomatic subjects and 30 subjects with a clicking joint. Movement...

journal_title：Journal of oral rehabilitation

authors： Catić A,Naeije M

更新日期：1999-08-01 00:00:00

abstract：:The localization of lymph capillaries and blood capillaries in the human temporomandibular joint (TMJ) discs was examined immunohistologically with anti-human collagen IV antibody and anti-human von Willebrand factor in 26 human TMJ samples. The 16 internal derangement cases were then compared with the 10 normal contr...

journal_title：Journal of oral rehabilitation

authors： Yoshida H,Fujita S,Nishida M,Iizuka T

更新日期：1999-07-01 00:00:00

abstract：:The aim of this study was to investigate whether reported differences in the patterns of jaw reflexes which can be evoked by electrical stimulation of the lip might be related to the intensity or polarity of the stimuli. Constant-current stimuli were applied through bipolar electrodes clipped across the lower lip of 1...

journal_title：Journal of oral rehabilitation

authors： Okdeh AM,Lyons MF,Cadden SW

更新日期：1999-06-01 00:00:00

abstract：:This study examined the stress reducing capacity of varying thicknesses of unfilled resin in a Class V cavity. A two dimensional plane strain mesh of a Class V cavity, 3 mm in diameter and 2 mm deep, was produced and the thickness of the unfilled resin layer was varied from 0 to 80 microm. A polymerization shrinkage o...

journal_title：Journal of oral rehabilitation

authors： Rees JS,O'Dougherty D,Pullin R

更新日期：1999-05-01 00:00:00

abstract：:Two commercial visible-light (VL)-cured composite resins were examined for their optical properties by diffuse reflectance measurements in VL spectrum and Kubelka-Munk's theory. Cured Silux Plus displayed diffuse reflectance similar to that of cured Z100, although uncured Silux Plus showed diffuse reflectance less tha...

journal_title：Journal of oral rehabilitation

authors： Taira M,Okazaki M,Takahashi J

更新日期：1999-04-01 00:00:00

abstract：:The aim of this study was to make clear the age-hardening mechanism in a dental high carat gold alloy. For this purpose, age-hardening behaviour of a commercial dental high carat gold alloy, 65.5 wt% Au-14.0 wt% Ag-10.0 wt% Cu-8.9 wt% Pt, was investigated by means of hardness testing, X-ray diffraction study and scann...

journal_title：Journal of oral rehabilitation

authors： Kim HI,Jang MI,Kim MS

更新日期：1999-03-01 00:00:00

abstract：:Fracture of porcelain fused to metal veneering may cause premature failure of fixed partial prosthodontics. Through the use of intra-oral composite bonded porcelain repair systems, the replacement of the prosthetic reconstruction can be avoided. The aim of this study was to evaluate the shear bond strength of porcelai...

journal_title：Journal of oral rehabilitation

authors： Leibrock A,Degenhart M,Behr M,Rosentritt M,Handel G

更新日期：1999-02-01 00:00:00

abstract：:This study investigated the experience of endossoseus implants in the U.K. - how success rates compare with other countries; the common causes of failure; early detection, definition and treatment of the failing implant. Information was gathered by means of a questionnaire sent to 120 centres in the U.K. Thirty-nine c...

journal_title：Journal of oral rehabilitation

authors： Tinsley D,Watson CJ,Ogden AR

更新日期：1999-01-01 00:00:00

abstract：:The symptoms of temporomandibular dysfunction (TMD), reported by 705 female university students of Riyadh, Saudi Arabia, are analysed. The population is representative of the educated class of Saudi Arabia. The most frequently reported symptoms were jaw feeling tired (34.5%), awareness of uncomfortable bite (31.3%), p...

journal_title：Journal of oral rehabilitation

authors： Zulqarnain BJ,Khan N,Khattab S

更新日期：1998-12-01 00:00:00

abstract：:This study evaluated the shear strength resistance of endodontically treated roots that were restored by two different techniques. Twenty-seven recently extracted single-rooted teeth with similar anatomic characteristics were sectioned to obtain the same length for all specimens. Group I (GI) consisted of 14 roots res...

journal_title：Journal of oral rehabilitation

authors： Fraga RC,Chaves BT,Mello GS,Siqueira JF Jr

更新日期：1998-11-01 00:00:00

abstract：:Referring to the temporomandibular joint (TMJ) of the human mandibular locomotor system, it has been asserted that displacement of the TMJ disc and inflammation of TMJ tissues are the results of acute and indirect trauma to the TMJ; on occasion this is allegedly experienced in motor vehicle accidents and commonly know...

journal_title：Journal of oral rehabilitation

authors： McKay DC,Christensen LV

更新日期：1998-10-01 00:00:00

abstract：:The corrosion tendencies of metals are related with their position in the electromotive series. These electrode potential degrees may change due to the compositions of the alloys, the surrounding media, or due to alterations in the composition because of recurrent casting. Therefore in this research, the electrode pot...

journal_title：Journal of oral rehabilitation

authors： Kedici SP,Aksüt AA,Kílíçarslan MA,Bayramoğlu G,Gökdemir K

更新日期：1998-10-01 00:00:00

abstract：:The tensile strengths of laboratory versus clinical photocured composite resins have been investigated. Metal surfaces were bonded to photocured composite resin by either retentive beads, Sebond or Silicoating. The bond strengths were measured by an Instron machine and the fracture sites observed. Following repair wit...

journal_title：Journal of oral rehabilitation

authors： Zalkind M,Slavik J,Raviv E,Stern N

更新日期：1998-09-01 00:00:00

abstract：:The aim of this study was to analyse the leached moieties of dental composites after storage in ethanol and organic acids of plaque and further evaluate the resultant effect on the diametral tensile strength (DTS) of the composites. Three commercial composites were used: Bis-GMA-based Z100, Bis-GMA/UDMA-based Heliomol...

journal_title：Journal of oral rehabilitation

authors： Lee SY,Huang HM,Lin CY,Shih YH

更新日期：1998-08-01 00:00:00

abstract：:A study was conducted to evaluate the accuracy of casts made from stock tray and custom tray impressions using polysiloxane impression material. The results indicate that all casts distort but that impressions made from custom trays were more accurate and consistent in reproduction than were stock tray impressions. ...

journal_title：Journal of oral rehabilitation

authors： Millstein P,Maya A,Segura C

更新日期：1998-08-01 00:00:00

abstract：:The strength of a modern, low metal:glass ratio, metal-reinforced glass-ionomer cement was measured evaluating a number of protective barriers: one light-cured resin, two solvent-based dental varnishes and petroleum jelly. The cement was exposed to water at 10 and 60 min from start of mix. The results obtained with th...

journal_title：Journal of oral rehabilitation

authors： Williams JA,Billington RW,Pearson GJ

更新日期：1998-07-01 00:00:00

abstract：:Masticatory efficiency, oral function and degree of satisfaction with the treatment received were analysed in a group of fully edentulous patients with severe atrophy of the mandibular bone, rehabilitated with complete removable dentures, before and after anchoring the dentures to osseointegrated implants. Masticatory...

journal_title：Journal of oral rehabilitation

authors： Pera P,Bassi F,Schierano G,Appendino P,Preti G

更新日期：1998-06-01 00:00:00

abstract：:This study examined properties of four composite veneering materials polymerized with two different photo-curing units for the purpose of evaluating curing performance of the combination of composite material and curing unit. Two microfilled (Dentacolor and Thermoresin LC II) and two hybrid (Cesead II and Solidex) com...

journal_title：Journal of oral rehabilitation

authors： Tanoue N,Matsumura H,Atsuta M

更新日期：1998-05-01 00:00:00

abstract：:There is a methodological problem in analysis of data belonging to different hierarchical levels, e.g. patient, arch, and tooth. A method for multilevel modelling (MLM) that resolves this problem is available. This method which is presented in this article, was used to reanalyse previously published long-term treatmen...

journal_title：Journal of oral rehabilitation

authors： Söderfeldt B,Palmqvist S

更新日期：1998-04-01 00:00:00

abstract：:This study characterizes the mandibular protrusive and lateral excursions of children with primary dentition. With use of a Selspot system, the protrusive and lateral excursions of nine children with the primary dentition and nine adults with the permanent dentition were measured and compared. This system was able to ...

journal_title：Journal of oral rehabilitation

authors： Hayasaki H,Yamasaki Y,Nishijima N,Naruse K,Nakata M

更新日期：1998-04-01 00:00:00

abstract：:Four cushion adhesives (Fittydent I; Fittydent II, introduced as an advanced formula; Protefix; and Seabond) were compared clinically through patients subjective evaluations. Maxillary dentures of 32 patients were relined and the mandibular dentures were scored by Kapur index before the application of different treatm...

journal_title：Journal of oral rehabilitation

authors： Uysal H,Altay OT,Alparslan N,Bilge A

更新日期：1998-03-01 00:00:00

abstract：:Glass-ionomer cements have established an important role in clinical dentistry since their introduction over 20 years ago. More recently, in an attempt to enhance the strength of the material, resin additions have been made to conventional glass-ionomer cements. This study established the long term flexural strength o...

journal_title：Journal of oral rehabilitation

authors： Frankel N,Pearson GJ,Labella R

更新日期：1998-02-01 00:00:00

abstract：:The lengths of the condylar pathways during protrusive and opening movements were investigated with computerized axiography in 100 individuals. Forty-two patients suffering from anterior disk displacement with reduction (ADD) in one or both temporomandibular joints (TMJ) and 28 patients with anterior overrotation clic...

journal_title：Journal of oral rehabilitation

authors： Gsellmann B,Schmid-Schwap M,Piehslinger E,Slavicek R

更新日期：1998-02-01 00:00:00

abstract：:The use of nickel-containing alloys in dentistry has been questioned because of the biological liabilities of nickel and the release of nickel ions from dental appliances into the oral cavity. The uptake of nickel by cells in the oral tissues is a critical factor in assessing the biological liabilities of nickel. Nick...

journal_title：Journal of oral rehabilitation

authors： Edwards DL,Wataha JC,Hanks CT

更新日期：1998-01-01 00:00:00

abstract：:Lone standing splinted implant segments are accepted as optimal. However, in the treatment of partial edentulism, clinical reality often predicates the consideration of splinting teeth and implants due to variables of tooth/implant location and available bone support. This article presents a review on biomechanical as...

journal_title：Journal of oral rehabilitation

authors： Laufer BZ,Gross M

更新日期：1998-01-01 00:00:00

abstract：:Although tooth loss with age has been extensively investigated, there appears to be no literature on the relationship of age to remaining mandibular third molars. The study showed that as age increases so does the frequency of absent vertically erupted mandibular third molars. However, no correlation was found between...

journal_title：Journal of oral rehabilitation

authors： Yamaoka M,Furusawa K,Tambo A,Imai S

更新日期：1997-12-01 00:00:00

abstract：:The effect on healthy dental pulp of thermal increases ranging from 8.9 to 14.7 degrees C was evaluated. These temperature increases correspond approximately to those caused by certain restorative procedures, such as tooth preparation with high-speed instruments and the fabrication of direct provisional crowns. Two cr...

journal_title：Journal of oral rehabilitation

authors： Baldissara P,Catapano S,Scotti R

更新日期：1997-11-01 00:00:00