Realistic kinetic loading of the jaw system during single chewing cycles: a finite element study.

abstract：:The aim of this study was to analyse mastication and the sense of taste in 39 patients submitted to cancer treatment in different areas of the body and to compare these variables with those of 44 control individuals within the same age range. The following aspects were assessed: dental status (DMFT); stimulated and no...

journal_title：Journal of oral rehabilitation

authors： Caputo JB,Campos SS,Pereira SM,Castelo PM,Gavião MB,Marques LS,Pereira LJ

更新日期：2012-12-01 00:00:00

abstract：:The in vivo corrosion of Dispersalloy amalgam restorations was characterized by scanning electron microscopy and energy dispersive X-ray analysis. It was observed that the corrosion of CuSn resulted in pitting on the restoration surface. Corrosion of Sn-rich grain boundaries led to intergranular separation of gamma 1 ...

journal_title：Journal of oral rehabilitation

authors： McTigue D,Brice C,Nanda CR,Sarkar NK

更新日期：1984-07-01 00:00:00

abstract：:The aim of this study was to determine flexural properties, water sorption, solubility and release of residual compounds of a new paste type denture base polymer Alldent Sinomer. In addition, an effort was made to reinforce the denture base polymer with a polymer-pre-impregnated glass fibre reinforcement (Stick). Six ...

journal_title：Journal of oral rehabilitation

authors： Lassila LV,Vallittu PK

更新日期：2001-07-01 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：:An electron microprobe was used to investigate the composition and microstructure of regions in the reaction zones around particles of approximately Ag-Cu eutectic composition in commercially available and experimental dispersion modified amalgams. Two distinct regions were identified. Techniques of phase composition ...

journal_title：Journal of oral rehabilitation

authors： Bryant RW

更新日期：1985-01-01 00:00:00

abstract：BACKGROUND:Denture use for recovery of major tooth loss can reduce the need for care, and thus, it is important for dentists to identify the types of patients who use removable dentures. OBJECTIVE:To identify factors associated with removable denture use in independent older Japanese people. METHODS:This cross-sectio...

journal_title：Journal of oral rehabilitation

authors： Hama Y,Kubota C,Moriya S,Onda R,Watanabe Y,Minakuchi S

更新日期：2020-08-01 00:00:00

abstract：:Two chemically different glass ionomer cements (Ketac Fil and ChemFil II Caps) and three different methods of conditioning the surface for repair were evaluated. Specimens of each material were prepared, aged and sectioned. The cut surfaces were treated with either phosphoric acid, polyacrylic acid or a combination of...

journal_title：Journal of oral rehabilitation

authors： Jamaluddin A,Pearson GJ

更新日期：1994-11-01 00:00:00

abstract：:In this study, the influence of oxygen pressure, as well as oxidation time and temperature, on the oxide formation of a gold-palladium-indium-gallium alloy was investigated. After oxidation (vacuum/air, 1-10 min, 940-1020 degrees C) the oxides were removed selectively by means of leaching in 37% hydrochloric acid. Con...

journal_title：Journal of oral rehabilitation

authors： Vrijhoef MM,Van der Zel JM

更新日期：1988-05-01 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 determine the prevalence of signs and symptoms of temporomandibular disorders in patients with post-traumatic stress disorder (PTSD) occurring as a consequence of exposure to war stress. The examined group consisted of 100 male subjects, aged from 25 to 50 years, who had taken part in the ...

journal_title：Journal of oral rehabilitation

authors： Uhac I,Kovac Z,Valentić-Peruzović M,Juretić M,Moro LJ,Grzić R

更新日期：2003-02-01 00:00:00

abstract：:A dysfunctional occlusal relationship was produced in six macaca irus monkeys by insertion of occlusal splints which raised the vertical dimension of occlusion by 3--4 mm and incorporated interferences into the occlusion. Cortisol levels of plasma and 24 h urine samples were measured by competitive protein-binding ana...

journal_title：Journal of oral rehabilitation

authors： Budtz-Jørgensen E

更新日期：1981-01-01 00:00:00

abstract：:The placement of dental implants in the molar region of the maxilla is often difficult because of insufficient bone volume and the inferior bone quality. In order to avoid these limitations, the pillar of bone, which is composed of the maxillary tuberosity, the pyramidal process of the palatine bone and the pterygoid ...

journal_title：Journal of oral rehabilitation

authors： Lee SP,Paik KS,Kim MK

更新日期：2001-02-01 00:00:00

abstract：:Earlier work revealed that creep of a particular dental amalgam can be described by the model F(t) = F0 exp (t/t0)m. Here F(t) is the creep compliance at time t, whereas F0, t0 and m are constants of the model. In the previous study only three alloys were used. It was the aim of this study to investigate the factor al...

journal_title：Journal of oral rehabilitation

authors： Vrijhoef MM,Lourens FL,Leijdekkersgovers AF

更新日期：1983-07-01 00:00:00

abstract：:Glass ionomer restorative cements have been used in anterior restorations for a number of years but have not been considered strong enough for use in posterior restorations. The compressive strengths of a number of materials currently available were measured at 30 min, 1 hour and 24 hours. It was concluded that some o...

journal_title：Journal of oral rehabilitation

authors： Williams JA,Billington RW

更新日期：1989-09-01 00:00:00

abstract：:Oral function was evaluated in 30 patients (25 women and five men) after TMJ surgery by means of bite force measurements. Twenty-seven discectomies and three condylectomies had been performed. The follow-up period was, on average, 2.5 years. The mean bite force values on the function level 'biting as when chewing' was...

journal_title：Journal of oral rehabilitation

authors： Widmark G,Haraldson T,Kahnberg KE

更新日期：1995-08-01 00:00:00

abstract：:The purpose of this study was to investigate the changes in masticatory muscle activity according to food size in human mastication. Sixteen subjects performed deliberate unilateral chewing of similarly cone shaped hard gummy jellies weighing 5 and 10 g. The masseter and anterior temporal muscle activity on both sides...

journal_title：Journal of oral rehabilitation

authors： Miyawaki S,Ohkochi N,Kawakami T,Sugimura M

更新日期：2001-08-01 00:00:00

abstract：:The aim of this study was to evaluate the association between self-reported sleep bruxism and the age, gender, clinical subtypes of temporomandibular disorders (TMD), pain intensity and grade of chronic pain in patients previously diagnosed with TMD. Thousand two-hundred and twenty patients of the Andalusian Health Se...

journal_title：Journal of oral rehabilitation

authors： Blanco Aguilera A,Gonzalez Lopez L,Blanco Aguilera E,De la Hoz Aizpurua JL,Rodriguez Torronteras A,Segura Saint-Gerons R,Blanco Hungría A

更新日期：2014-08-01 00:00:00

abstract：:A biochemical test for muscle damage (serum creatine kinase estimation) was used to investigate twenty-six normal subjects, nine normal subjects following experimental bruxism and twenty-seven patients suffering from mandibular pain dysfunction. No significant differences in serum creatine kinase levels were detected ...

journal_title：Journal of oral rehabilitation

authors： Cox PJ,Rothwell PS

更新日期：1984-01-01 00:00:00

abstract：:A series of investigations have been performed to study some factors influencing the tensile bond strength of glass polyalkenoate cements to dentine. The measured bond strength was affected by the method of storage of the teeth prior to testing, the nature of the dentine and the type of cement used for the tests. The ...

journal_title：Journal of oral rehabilitation

authors： Walls AW,McCabe JF,Murray JJ

更新日期：1988-11-01 00:00:00

abstract：:This study was conducted to investigate the expression and distribution of c-Fos-like immunoreactive neurones (Fos-neurones), in the rat trigeminal sensory nuclear complex, produced by mechanical forces with various magnitudes and durations applied to the left upper first molar. The magnitudes of forces applied to the...

journal_title：Journal of oral rehabilitation

authors： Watanabe M,Tanaka E,Suemune S,Satoda T,Maeda N,Uchida T,Tanne K

更新日期：2003-11-01 00:00:00

abstract：:In addition to palpation tests, dynamic/static tests have been proposed to complement temporomandibular disorders (TMD) patients' evaluation in the clinical setting. The aim of this study was to assess the intra- and inter-observer reliability of the palpation tests and of the dynamic/static tests, and to determine wh...

journal_title：Journal of oral rehabilitation

authors： Osiewicz MA,Manfredini D,Loster BW,van Selms MKA,Lobbezoo F

更新日期：2018-03-01 00:00:00

abstract：:A particulate BGC (bioactive glass ceramics), has been developed as a new bone graft biomaterial for alveolar ridge augmentation and has been evaluated by simulated animal models. Five beagle dogs were used in this investigation. Prior to augmentation the mandibular posterior teeth of the animals were extracted. Three...

journal_title：Journal of oral rehabilitation

authors： Wang SA,Chen AY,Yu ZE,Huang ZJ,Wao YM

更新日期：1989-05-01 00:00:00

abstract：:The activity of jaw elevator muscles (masseter and anterior temporal muscle) was studied by surface electromyography in 17 patients wearing complete dentures with anterior-canine guidance. Baseline electromyography was recorded with the dentures and compared to recordings obtained with two different splints adapted to...

journal_title：Journal of oral rehabilitation

authors： Grunert I,Kofler M,Gausch K,Kronenberg M

更新日期：1994-05-01 00:00:00

abstract：:Changes in the retention force of six prefabricated spherical and cylindrical attachments were examined in vitro under continuous loading. The testing machine permitted insertion-separation cycles to be tested under reproducible conditions while a calibrated measuring device determined the insertion and retention forc...

journal_title：Journal of oral rehabilitation

authors： Besimo CE,Guarneri A

更新日期：2003-07-01 00:00:00

abstract：:This article provides a review of somatosensory and motor pathways and processes involved in oral sensorimotor function and dysfunction. It reviews somatosensory processes in peripheral tissues, brainstem and higher brain centres such as thalamus and cerebral cortex, with a particular emphasis on nociceptive mechanism...

journal_title：Journal of oral rehabilitation

authors： Sessle BJ

更新日期：2006-04-01 00:00:00

abstract：BACKGROUND:There is increasing evidence of benefits for the rehabilitation of Brown II defects with prosthesis in surgery. However, the current literature is sparse for maxillary tumour resection using osteotomy templates. OBJECTIVES:To assess the accuracy of maxillectomy using a custom fabricated osteotomy template a...

journal_title：Journal of oral rehabilitation

authors： Wang Y,Yang X,Gan R,Liu H,Wu G,Yu Q,Wang Z,Lu X,Jing J,Ma W,Quan Y,Sun Z,Fan L,Wang Y

更新日期：2019-12-01 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：:Four hundred and thirty dentulous casts in normal alignment and Angle's Class I Relationship were examined. The results indicated a relationship between arch shape and the incisive papilla. The suggestion is made that in the preliminary location of the anterior teeth during construction of full dentures, the average d...

journal_title：Journal of oral rehabilitation

authors： Ehrlich J,Gazit E

更新日期：1975-07-01 00:00:00

abstract：:It is considered that the information of chewed food, such as size and texture, is important for smooth mastication. In this study, we analysed aspects of the control of occlusal force, by experimentally reproducing situations in which the hardness of food changed unpredictably during mastication, using a device that ...

journal_title：Journal of oral rehabilitation

authors： Shimada A,Tanaka M,Yamashita R,Noguchi K,Torisu T,Yamabe Y,Fujii H,Murata H

更新日期：2008-01-01 00:00:00

abstract：:There are various methods of measuring tooth wear, including that which could be considered to be associated with acid erosion. However, the present systems are limited in that they require an extended period of study to detect wear and also they do not give any insight as to the underlying mechanism of the tooth tiss...

journal_title：Journal of oral rehabilitation

authors： Whitehead SA,Lo LY,Watts DC,Wilson NH

更新日期：1997-06-01 00:00:00