Abstract:
:To better understand 'within subject' variability in masticatory performance of artificial food, this study evaluates the effects of bolus size and chewing rate. Twenty young adult male subjects each participated in two experiments evaluating their ability to process an artificial food (CutterSil). Based on the frequency distributions for the weights of the chewed particles, median particle size and broadness of the particle distribution were estimated. Controlling for the number of chews, the effect of (1) bolus size was evaluated by having each subject chew one whole tablet, four quarters, three quarters or two quarters; (2). chewing rate was evaluated by having the subjects chew first habitually, then at slow (40 cycles/min) and fast (100 cycles/min) rates. The results showed that median particle sizes decreased and the distribution of particles widened with decreasing bolus size. The slow chewing rate produced the smallest particles with the widest distributions, followed by the habitual and fast rates, respectively. The study has shown that bolus size and chewing rate are important source of variation which must be considered in studies of masticatory performance.
journal_name
J Oral Rehabiljournal_title
Journal of oral rehabilitationauthors
Buschang PH,Throckmorton GS,Travers KH,Johnson Gdoi
10.1046/j.1365-2842.1997.00524.xsubject
Has Abstractpub_date
1997-07-01 00:00:00pages
522-6issue
7eissn
0305-182Xissn
1365-2842journal_volume
24pub_type
杂志文章abstract::A description is given of the pathohistological structure of the calcified tissue in the apical opening of four extracted immature pulpless human teeth treated by various endodontic methods. It is concluded that in the tooth treated by mortal extirpation there was neither histological healing nor any tendency for furt...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
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abstract::Controversy remains over the rehabilitation of implant-supported restorations regarding the need to splint adjacent implant-supported crowns. This study compared the effects of simulated occlusal loading of three implants restored with cemented crowns, splinted versus unsplinted. Three adjacent screw-shaped implants w...
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journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
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更新日期:2003-05-01 00:00:00
abstract::The most common temporomandibular joint (TMJ) internal derangement is an abnormal relationship of the disc with respect to the mandibular condyle, articular eminence and glenoid fossa-disc displacement. The aim of our study was to analyse the correlation between partial/complete disc displacement in the intercuspal po...
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journal_title:Journal of oral rehabilitation
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更新日期:1985-03-01 00:00:00
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journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.1997.00528.x
更新日期:1997-08-01 00:00:00
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journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
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更新日期:1995-03-01 00:00:00
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journal_title:Journal of oral rehabilitation
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1998-03-01 00:00:00
abstract::The mechanical properties of Ti-6Al-4V-XCu (1, 4 and 10 wt% Cu) alloys were examined. The castings for each alloy were made in a centrifugal titanium casting machine. Two shapes of specimens were used: a dumbbell (20 mm gauge length x 2.8 mm diameter) for mechanical property studies, and a flat slab (2 mm x 10 mm x 10...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.2004.01347.x
更新日期:2004-11-01 00:00:00
abstract::Age, health status and disease treatments are thought to influence salivary flow. In this study, age effect on salivation was compared in non-feeding (at rest and during parafilm chewing) and feeding (during meat chewing) conditions for two groups of healthy subjects, 25 young subjects (mean age 27.4 years) and 20 old...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
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更新日期:2004-05-01 00:00:00
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journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.1999.00393.x
更新日期:1999-05-01 00:00:00
abstract::Bilateral coronoid hyperplasia requires surgery (coronoidectomy) to improve mouth opening. An intra-oral approach is preferred with direct fibre-optic anaesthetic intubation. Myotomy of the masseter muscle is recommended in cases where fibrotic and calcifying effects have occurred. Pre-operative physiotherapy counsell...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.1997.00561.x
更新日期:1997-10-01 00:00:00
abstract::The aim of this systematic review of the literature was to assess the scientific evidence for detectable correlations between the stomatognathic system and whole-body posture and to provide information on the relevance of posturography as a diagnostic aid in dentistry. A literature survey was performed using the Medli...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2842.2009.02019.x
更新日期:2009-12-01 00:00:00
abstract::The activity of anterior temporal muscle, the number of tooth contacts, and total duration of closure during maximal and habitual clenching were studied in varied chair positions. Fifteen subjects were evaluated. The means for the muscle activity of anterior temporal muscle during habitual clenching were 63.5-73.5% of...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:
更新日期:1997-03-01 00:00:00
abstract::Head flexion and extension movements near the natural head position (NHP) were analysed for the location of the mean instantaneous centre of rotation (ICR). Forty-six healthy young adults (30 women and 16 men) with sound dentitions, free from cranio-cervical disorders, performed habitual movements that were automatica...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.1997.d01-300.x
更新日期:1997-05-01 00:00:00
abstract::The purpose of this study was to evaluate temporomandibular disorders (TMD) Axis I and II among Israeli-Jewish patients using the Hebrew version of the Research Diagnostic Criteria (RDC) for TMD and to compare the results with Swedish, United States, Asian and Israeli-Arab populations. The study consisted of 298 Israe...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
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journal_title:Journal of oral rehabilitation
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Journal of oral rehabilitation
pub_type: 杂志文章,实务指引,评审
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journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1976.tb00955.x
更新日期:1976-07-01 00:00:00
abstract::Three human subjects performed tooth grinding for 25 min, and after 20 h biopsies of the right and left masseter muscles were examined for their contents of mast cells. In comparison with specimens from a control group of three subjects, there was an increase of degranulating mast cells in muscles that had performed b...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1978.tb00387.x
更新日期:1978-01-01 00:00:00
abstract::To gather knowledge related to establishing criteria for selecting soft denture liners for individual patients, the effects of certain properties of soft denture liners on stress distribution were evaluated by two-dimensional finite element analysis. A partial mandibular edentulous ridge crest was modelled. Six combin...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.2000.00566.x
更新日期:2000-08-01 00:00:00
abstract::Regarding declining resources epidemiological data on needs for oral rehabilitation are required. Within the framework of an oral health survey a non-stratified two-stage random sample was taken to represent the over 14-year-old population of Saxony/Germany. The participation rate was 55%. Normative need was determine...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.2001.00773.x
更新日期:2001-08-01 00:00:00
abstract::Masticatory muscle contraction causes both jaw movement and tissue deformation during function. Natural chewing data from 25 adult miniature pigs were studied by means of time series analysis. The data set included simultaneous recordings of electromyography (EMG) from bilateral masseter (MA), zygomaticomandibularis (...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.2004.01156.x
更新日期:2004-01-01 00:00:00
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journal_title:Journal of oral rehabilitation
pub_type: 杂志文章,评审
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更新日期:2001-01-01 00:00:00
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journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1994.tb01180.x
更新日期:1994-11-01 00:00:00
abstract::Oral food perception depends on somatosensory information that includes taste and can be modified by oral components and/or functions such as mastication. The purpose of this study was to describe the interplay between oral health, mastication and taste. A review according to the Preferred Reporting Items for Systemat...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章,评审
doi:10.1111/joor.12535
更新日期:2017-12-01 00:00:00
abstract::Acoustic evaluation is valuable for guiding the treatment of maxillofacial defects and determining the effectiveness of rehabilitation with an obturator prosthesis. Model simulations are important in terms of pre-surgical planning and pre- and post-operative speech function. This study aimed to evaluate the acoustic c...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/joor.12306
更新日期:2015-09-01 00:00:00
abstract::Experimental tooth clenching was performed by fourteen human subjects in order to determine the onset of the subjective sensations of jaw muscle fatigue and jaw muscle pains, the ability to endure jaw muscle pains, and other discomforts. During production of maximal voluntary isometric tension by the elevator jaw musc...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1979.tb01272.x
更新日期:1979-04-01 00:00:00