Abstract:
:Tongue movements in three female Macaca fascicularis, with radio-opaque markers in the tongue, teeth and hyoid, feeding on apple, banana and monkey chow, were recorded using lateral projection cineradiography (+/- 100 f.p.s.) with synchronized frontal view cinephotography (50 f.p.s.). Marker positions were digitized and the resultant Cartesian coordinates manipulated: (a) to establish the gape time profile; (b) anteroposterior and dorsoventral movements of tongue and hyoid markers relative to an upper occlusal/palatal reference plane; and (c) expansion and contraction of tongue segments in selected sections of complete sequences. The relative timing of tongue and jaw movement events was established using interval analysis. In simple transport cycles (semisolid food), all parts of the tongue moved in synchrony, travelling forwards and expanding during early opening, and backwards and contracting during late opening and closing. In contrast, in simple chewing cycles with a power stroke (SC phase): (a) the tongue markers reached their most backward position before or at the beginning of the SC phase, travelling forwards until the teeth approached intercuspation, then paused until after the teeth had reached centric occlusion; (b) the markers moved asynchronously, so that the relation between each marker and jaw movement changed; (c) expansion and contraction was largely confined to the middle tongue segment. In complex chewing cycles, jaw movement in opening was linked to the behaviour of the anterior tongue segment: reversal from forward to backward movement of the anterior tongue marker occurred within 30 ms of the rate change at the SO (slow open)-FO (fast open) transition: the greater the amplitude of forward movement, the longer the SO phase/Hyoid (tongue base) movement occurred throughout masticatory sequences. A backward drift of the hyoid and posterior part of the tongue occurred in cycles preceding swallows. Linkages between tongue and jaw movements in feeding in macaques are more complex than those reported for non-primate mammals, as they change between successive jaw cycles. The changes observed during sequences, and between different foods, suggest that the effector systems involved are continuously modulated, and the jaw-movement profile during opening may be dependent on the pattern of tongue movement.
journal_name
Arch Oral Bioljournal_title
Archives of oral biologyauthors
Hiiemae KM,Hayenga SM,Reese Adoi
10.1016/0003-9969(95)98812-dsubject
Has Abstractpub_date
1995-03-01 00:00:00pages
229-46issue
3eissn
0003-9969issn
1879-1506pii
0003-9969(95)98812-Djournal_volume
40pub_type
杂志文章abstract::A recent preliminary (unpublished) study showed that phosphodiesterase (PDE) 3A and 3B are expressed in rat submandibular glands. Here, PDE3 activity was detected in homogenates of rat submandibular gland acinar epithelial (SMIE) cells, but not rat A5 (epithelial duct) cells. Most of the PDE3 activity in SMIE cells wa...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/s0003-9969(00)00119-9
更新日期:2001-05-01 00:00:00
abstract::The study examined the glucose clearance (retention) in saliva at different surfaces of these teeth in 23 subjects. The mouth was thoroughly rinsed for 15 s with 20 ml of a 0.5 M glucose solution. The concentrations of glucose absorbed by small pieces of paper, placed on the mesial, distal, labial (buccal), lingual an...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(93)90183-m
更新日期:1993-06-01 00:00:00
abstract:OBJECTIVE:Orofacial clefts result from failures of developing embryonic facial and palatal processes to either completely merge or fuse. Normal development of the facial primordia requires remodelling of the extracellular matrix, which is mediated in part by the matrix metalloproteinases (MMPs). MMPs can be considered ...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2007.04.005
更新日期:2007-10-01 00:00:00
abstract::Chronic graft-versus-host disease (cGVHD) is a complex clinical entity with various target organs, including the salivary glands. Oral pilocarpine (Salagen(R)), 30 mg/day, can ameliorate cGVHD-induced xerostomia and improve the flow rate from the major salivary glands. The purpose here was to evaluate the effect of th...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/s0003-9969(01)00035-8
更新日期:2001-08-01 00:00:00
abstract:OBJECTIVE:A loss of functional salivary glands often occurs after radiotherapy for head and neck tumour, and causes many problems in oral health. Recently, the use of salispheres, which consist of salivary gland stem cells (SGSCs), has been suggested as therapy for these problems. However, an insufficient number of cel...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2015.03.003
更新日期:2015-06-01 00:00:00
abstract:OBJECTIVE:The anti-cariogenic properties of tea have been suggested for decades. Tea polyphenols, especially epigallocatechin gallate (EGCG), have been shown to inhibit dental plaque accumulation, but the exact mechanisms are not clear at present. We hypothesise that EGCG suppresses gtf genes in Streptococcus mutans at...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2011.10.021
更新日期:2012-06-01 00:00:00
abstract:OBJECTIVE:Previous evaluations of Psidium cattleianum leaf extract were not done in conditions similar to the oral environment. The aim of this study was to evaluate the effect of P. cattleianum leaf extract on enamel demineralisation, extracellular polysaccharide formation, and the microbial composition of dental biof...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2012.02.009
更新日期:2012-08-01 00:00:00
abstract:OBJECTIVES:RhoE and regulator of G-proteins signalling (RGS) 2 were identified as the up-regulated genes in human periodontal ligament (PDL) cells under compression. RhoE belongs to the Rho GTPase family, and RGS2, a novel family of GTPase-activating proteins, turns off the G-protein signalling. Rho family proteins hav...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2013.11.010
更新日期:2014-02-01 00:00:00
abstract:OBJECTIVES:The aim of this study is to clarify the functional significance of heat-shock protein (HSP)-25 during tooth development. DESIGN:We compared the expression of HSP-25 in the dental epithelial and mesenchymal cells with their proliferative activity during odontogenesis in rat molars on postnatal days 1-100 by ...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2005.09.007
更新日期:2006-05-01 00:00:00
abstract::Counts of cultivable Porphyromonas gingivalis, assays of microbial proteases and the concentration in gingival crevicular fluid of proteoglycan metabolites were investigated at periodontitis and gingivitis sites in 16 patients with chronic adult periodontitis before and after treatment. Two periodontitis sites and two...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/s0003-9969(96)00103-3
更新日期:1997-01-01 00:00:00
abstract::The purpose of this study is to investigate the radioprotective effect of vitamin E as a natural product. Vitamin E protects the salivary glands dysfunction that is induced by ionizing radiation. It was analysed with radioisotope scintigraphy and then salivary gland to background counts ratio was calculated. Histopath...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2015.06.003
更新日期:2015-09-01 00:00:00
abstract:OBJECTIVE:This case-control study aimed to investigate associations between craniofacial pain complaints, somatoform symptoms and chronic diseases. DESIGN:306 subjects were included in this study (174 patients and 132 healthy subjects). The evaluation consisted of demographic data, number of functional and nonfunction...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2020.104892
更新日期:2021-02-01 00:00:00
abstract::The activity of 6-phosphofructo-1-kinase (PFK-1), an important regulatory enzyme of glycolysis, was determined after injection of the sialagogue pilocarpine. The fructose-2,6-bisphosphate content of the glands and 6-phosphofructo-2-kinase (PFK-2) activity were also measured. The increase in PFK-1 activity after piloca...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(92)90104-g
更新日期:1992-01-01 00:00:00
abstract::Designing a temporomandibular joint (TMJ) total prosthesis requires the assessment of joint displacements for open/close movements. Current knowledge presents disc-condyle motions as involving both translation and rotation but there may be substantial variations from human to human. The aim of this study is to discrim...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2007.11.010
更新日期:2008-05-01 00:00:00
abstract:OBJECTIVES:The present study aimed firstly, to investigate whether pulpal circulatory changes elicited by innocuous tooth cooling and foot heating can be monitored with transmitted-light plethysmography (TLP), which detects pulpal blood volume changes, and secondly, to assess the effect of autonomic nervous control on ...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2020.104881
更新日期:2020-11-01 00:00:00
abstract::Genetic studies have recently identified a mutation of one allele of runt-related gene 2 (RUNX2/CBFA1) as the cause for an autosomal-dominant skeletal disorder, cleidocranial dysplasia (CCD), which is characterised by hypoplasia of the clavicles and calvariae and widened sutures and fontanelles. In addition, CCD is fr...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2004.01.010
更新日期:2004-06-01 00:00:00
abstract::Platelet-activating factor (1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholine; PAF) is a biologically active lipid, like the prostaglandins, which mediates allergic and inflammatory reactions. Aggregation of washed rabbit platelets was induced by a lipid prepared from inflamed gingiva. The mobility of the active lipid wa...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(89)90044-7
更新日期:1989-01-01 00:00:00
abstract::Small, quasi-rhythmical tremor of the jaw occurs at rest and during voluntary movements. In peripheral limbs, tremor consists of a component due to mechanical resonance properties of the system, and a neurogenic component mediated by a central pacemaker or neural loops. The present study attempted to determine if thes...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/s0003-9969(97)00091-5
更新日期:1998-01-01 00:00:00
abstract:OBJECTIVE:To compare the densities of CD1a + immature and CD83+ mature dendritic cells, and inflammatory infiltrate cells between smokers and non-smokers with oral leukoplakia. Parameters associated with malignant transformation were also evaluated. DESIGN:21 smokers and 23 non-smokers diagnosed with oral leukoplakia ...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2018.07.008
更新日期:2018-11-01 00:00:00
abstract::Previous studies of the sympathetic nerve supply of the rat mandibular incisor pulp have shown conflicting results. Here, the neurovascular control of the rat lower incisor pulp was investigated by stimulating the tooth crown and the cervical sympathetic trunk electrically and monitoring blood-flow changes in the pulp...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(92)90033-5
更新日期:1992-12-01 00:00:00
abstract::Unitary discharges of periodontal mechanosensitive (PM) fibres were recorded from cat inferior alveolar nerve. More than half (66%) of the PM units were single-tooth ones sensitive to only one tooth. The majority (78%) responded sustainedly to stimulation of the mandibular canine tooth. The multitooth units responded ...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(94)90036-1
更新日期:1994-01-01 00:00:00
abstract::Experiments showed that the human capacity to maintain a particular isometric force in the presence of visual feedback during a force-level, pursuit-tracking experiment is less developed for the jaw-closing muscles than for the limb muscles. This finding may indicate that the projection on the trigeminal motoneurone p...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(91)90150-s
更新日期:1991-01-01 00:00:00
abstract::Dental follicle has been implicated as the origin of alveolar bone, cementum and periodontal ligament, but there is no direct evidence of their cellular lineage. The present pilot study was designed to characterize the phenotype of cultured cells obtained from the dental follicle of neonatal mouse molars. Developing m...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/s0003-9969(99)00033-3
更新日期:1999-09-01 00:00:00
abstract::Atrial natriuretic peptide (ANP), sodium nitroprusside and hydroxylamine increased cGMP accumulation in rat parotid acinar cells both in the presence and absence of forskolin but in a different manner. On the other hand, ANP decreased forskolin-stimulated cAMP accumulation, although sodium nitroprusside and hydroxylam...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(94)90139-2
更新日期:1994-07-01 00:00:00
abstract::Masseter and digastric muscle activities and jaw movement trajectories were recorded in freely moving rabbits during eating. The patterns in these trajectories and activities were similar to those described in previous studies on restrained animals. Although the duration of masticatory sequences, which started with fo...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(92)90099-t
更新日期:1992-01-01 00:00:00
abstract:OBJECTIVE:Tooth eruption is a multifactorial process in which bone tissue plays a prevailing role. In this study we evaluated the bone overlying the developing tooth germ and the degree of tooth eruption of the first mandibular molar in pups born to mothers subjected to constant light during pregnancy. DESIGN:Pregnant...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2013.08.003
更新日期:2013-11-01 00:00:00
abstract::The structure of human dentine affected by familial hypophosphataemic rickets was investigated by polarized light and electron microscopy. Within the calcospherites both radially-orientated and collagen-orientated crystals were present, in approximately equal numbers. This was so, but less distinctly, in the calcosphe...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(83)90030-4
更新日期:1983-01-01 00:00:00
abstract::A mandibular kinesiograph was used to monitor the movement of the lower incisors of young dentate adults reading a standard text. An interface to a microcomputer which recorded and analysed these movements. As the tracings accumulated on the computer monitor, a characteristic pattern was produced. The dimensions of th...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(87)90068-9
更新日期:1987-01-01 00:00:00
abstract:OBJECTIVE:Some saliva substitutes have been shown to demineralize dentine in vitro. This effect is counteracted by the application of various fluorides. In contrast, remineralizing saliva substitutes might be supported by these treatments, depending on the dynamics during remineralization. The aim of this in vitro stud...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2011.01.002
更新日期:2011-08-01 00:00:00
abstract::Human whole saliva was collected at 4 degrees C into a protein inhibitor cocktail to prevent proteolytic degradation. Saliva was clarified by centrifugation and fractionated by immobilized metal affinity chromatography (IMAC) after charging the column with zinc ions. Proteins with an affinity for zinc were eluted from...
journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/s0003-9969(97)00035-6
更新日期:1997-12-01 00:00:00