Tooth type as indicator of exposure to lead of adults and children.

abstract：:External apical root resorption (EARR) induced by orthodontic treatment and chronic periodontitis (CP) are complex phenotypes dependent on the interaction of multiple genetic and non-genetic risk factors. Apart from different environmental triggers, these phenotypes are caused by antagonistic biological mechanisms inv...

journal_title：Archives of oral biology

authors： Pereira SA,Melo A,Resende E,Regateiro F,Coimbra Silva H

更新日期：2018-11-01 00:00:00

abstract：:In the majority of studies on masticatory performance, the degree of food breakdown has been determined by sieving the food with one or more sieves. The aim of the present study was to compare the results obtained with a single and a multiple sieve method, as these methods have never been compared. We analysed the che...

journal_title：Archives of oral biology

authors： van der Bilt A,Fontijn-Tekamp FA

更新日期：2004-03-01 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

authors： Shellis RP

更新日期：1983-01-01 00:00:00

abstract：OBJECTIVE:The present study was designed to analyze the immunolocalization of proteins involved in cytoskeleton remodeling, such as moesin and Rho-A, in benign odontogenic lesions that present with expansive growth and invasive clinical behavior. MATERIALS AND METHODS:Expressions of moesin and Rho-A in odontogenic epi...

journal_title：Archives of oral biology

authors： Antonio PN,Garcia NG,Assao A,Lauris JRP,Soares FA,Oliveira DT

更新日期：2018-03-01 00:00:00

abstract：:The effect of muscle temperature on the speed of contraction and on the strength of contraction of the cat jaw muscles was studied. Muscles contracted faster when their temperatures were increased. The tetanic and twitch tension decreased significantly as the animal was heated from 30 to 40 degrees C. ...

journal_title：Archives of oral biology

authors： Türker KS,Mackenna BR

更新日期：1984-01-01 00:00:00

abstract：OBJECTIVE:To investigate the functional mechanism of microRNA-182 (miR-182) in head and neck squamous cell carcinoma (HNSCC). DESIGN:HNSCC and normal samples were used to check both p53 and miR-182 expression. Two cancer cell lines with overexpression of miR-182 were used to check cell proliferation and migration. In ...

journal_title：Archives of oral biology

authors： Wang L,Jiang H,Li W,Jia C,Zhang H,Sun Y,Chen X,Song X

更新日期：2017-01-01 00:00:00

abstract：:Differences in the shapes of the Hunter-Schreger bands in different teeth and in different areas of a tooth have never been explained. They are almost certainly related directly to differences in the courses and organization of prisms. A computerized model was used to construct vertical sheets of enamel prisms whose c...

journal_title：Archives of oral biology

authors： Osborn JW

更新日期：1990-01-01 00:00:00

abstract：:After mechanically stimulating the surface of palatine mucosa of adult human subjects, 10-25 microliter of saliva secreted from the openings of the palatine glands were directly collected into graduated glass capillaries. The saliva samples contained large amounts of carbohydrates, sialic acids and hexosamines as a re...

journal_title：Archives of oral biology

authors： Mäkinen KK,Virtanen KK,Söderling E,Kotiranta J

更新日期：1983-01-01 00:00:00

abstract：OBJECTIVE:To evaluate the effect of toothpaste treatments on levels of oral volatile sulphur compounds (VSCs) measured by gas chromatography in two clinical studies. METHODS:These were blinded, randomised, controlled, crossover studies with 16 (study A) or 20 (study B) healthy volunteers between the ages of 19-54. Stu...

journal_title：Archives of oral biology

authors： Newby EE,Hickling JM,Hughes FJ,Proskin HM,Bosma MP

更新日期：2008-04-01 00:00:00

abstract：:Enamel and cementum pellicles form by different adsorption of salivary and serum components to the tooth surface. The authors compared the constituents of surface pellicle formed on human enamel and cementum under three conditions: (1) natural pellicle, present on extracted teeth, which was formed by prolonged exposur...

journal_title：Archives of oral biology

authors： Fisher SJ,Prakobphol A,Kajisa L,Murray PA

更新日期：1987-01-01 00:00:00

abstract：:Although it is well known that somatostatin (SRIF) modulates several digestive functions, there are only a few reports about its effect on the salivary glands. Here, the action of SRIF parotid secretion was studied, in vivo and in vitro, in male Wistar rats. In vivo SRIF infusion (35 microg/kg per hr) inhibited the pa...

journal_title：Archives of oral biology

authors： Ostuni MA,Raimondi AR,Tumilasci OR

更新日期：1999-07-01 00:00:00

abstract：:The localization of cathepsin L and rat salivary cystatin-3 (RSC-3) in rat osteoclasts (rat femoral and alveolar bones) treated with or without E-64 (control) was examined immunocytochemically. In osteoclasts pretreated with E-64, immunoreactivity for cathepsin L was very weak extracellularly compared to that in the c...

journal_title：Archives of oral biology

authors： Moroi R,Yamaza T,Nishiura T,Nishimura Y,Terada Y,Abe K,Himeno M,Tanaka T

更新日期：1997-04-01 00:00:00

abstract：OBJECTIVES:This study evaluated the erosive tooth wear promoted by commercial whitening toothpastes on eroded dentin in vitro. DESIGN:Ninety bovine roots were embedded, polished and subjected to the baseline profile analysis. The samples were protected in 2/3 of the dentin surface and were randomly assigned to 6 group...

journal_title：Archives of oral biology

authors： Vertuan M,de Souza BM,Machado PF,Mosquim V,Magalhães AC

更新日期：2020-01-01 00:00:00

abstract：OBJECTIVE:To assess the effect of chitosan, at concentrations of 2.5% and 5.0%, on the wettability of the eroded dentin, followed by analysis of surface morphology by SEM. METHODS:104 bovine dentin slabs were ground, polished and then immersed in 20mL of citric acid (pH=3.2) under continuous stirring for 2h. Specimens...

journal_title：Archives of oral biology

authors： Ururahy MS,Curylofo-Zotti FA,Galo R,Nogueira LF,Ramos AP,Corona SA

更新日期：2017-03-01 00:00:00

abstract：OBJECTIVE:To investigate the effects of sitagliptin, a dipeptidyl peptidase 4 inhibitor used to treat type II diabetes, on bone tissue and on implant osseointegration in diabetic rats. DESIGN:Thirty-two male rats were divided into four groups: 1) Diabetic animals (GD); 2) Diabetic animals that received sitagliptin (GD...

journal_title：Archives of oral biology

authors： Bautista CRG,Santos IVD,Moraes RM,Chiba FY,Sumida DH,Moraes MB,Vasconcellos LMR,Anbinder AL

更新日期：2019-06-01 00:00:00

abstract：OBJECTIVE:To evaluate the association between polymorphisms in DLX1, DLX2, MMP13, TIMP1 and TIMP2 genes with dental fluorosis (DF) phenotype. DESIGN:Four hundred and eighty one subjects (108 with DF and 373 DF free) from 6 to 18 years of age were recruited. This population lived in Rio de Janeiro, a city with fluorida...

journal_title：Archives of oral biology

authors： Küchler EC,Tannure PN,Oliveira DS,Charone S,Nelson-Filho P,Silva RA,Costa MC,Antunes LS,Calasans Maia MD,Antunes LA

更新日期：2017-04-01 00:00:00

abstract：OBJECTIVES:The holy grail of biomarker research in periodontology is to develop a high impact diagnostics which have a significant impact on clinical decision-making, patient outcomes and healthcare providers. In the field of periodontal diagnostics, oral fluid-based biomarkers have been studied mainly in the gingival ...

journal_title：Archives of oral biology

authors： Ghallab NA

更新日期：2018-03-01 00:00:00

abstract：:There was a statistically significant shift towards increased proportions of type I Langerhans cells (containing many Langerhans-cell granules) and reduced proportions of both type II Langerhans cells (containing few granules) and indeterminate cells in diseased oral epithelium when compared to healthy oral epithelium...

journal_title：Archives of oral biology

authors： Newcomb GM,Powell RN

更新日期：1986-01-01 00:00:00

abstract：OBJECTIVE:To determine if dentine at the enamel-dentine junction (EDJ) in man is more sensitive to hydrostatic pressure stimuli then deeper dentine. DESIGN:Cavities (1mm diam.) were cut at the tips of the buccal and lingual cusps of 8 premolars in 3 subjects (ages: 22-25 years). Both cavities were initially deepened t...

journal_title：Archives of oral biology

authors： Wanachantararak S,Ajcharanukul O,Vongsavan N,Matthews B

更新日期：2016-06-01 00:00:00

abstract：OBJECTIVES:Dental evolution affects the geometry of the tooth, but the adaptive relevance of these changes is related to tooth sharpness, complexity, and relief (topography). On a set of laboratory mice, we assessed how wear related to age and food consistency affected molar geometry and topography. DESIGN:Three group...

journal_title：Archives of oral biology

authors： Renaud S,Ledevin R

更新日期：2017-09-01 00:00:00

abstract：OBJECTIVE:To compare the effectiveness and acceptability of a newly developed pediatric sialometer as an alternative to the conventional spitting method. METHODS:A clinical study was carried out with healthy children (G1; n = 30) and oncological children (G2; n = 30). A newly developed pediatric sialometer was compare...

journal_title：Archives of oral biology

authors： Costa RC,Ribeiro ILA,Bonan PRF,Valença AMG

更新日期：2020-10-01 00:00:00

abstract：:The number of Strep. mutans in saliva samples was examined in 101 13-14-year-old children, 53 in a control and 48 in the test group. All in the test group with 2.5 X 10(5) Strep. mutans per ml saliva were treated with 1 per cent chlorhexidine gel, once a day, for 14 days when the number of Strep. mutans was greatly re...

journal_title：Archives of oral biology

authors： Zickert I,Emilson CG,Krasse B

更新日期：1982-01-01 00:00:00

abstract：:In the majority of studies on masticatory performance, the degree of food breakdown has been determined by sieving the food with one or more sieves. The aim of the present study was to compare the results obtained with a single and a multiple sieve method, as these methods have never been compared. We analysed the che...

journal_title：Archives of oral biology

authors： van der Bilt A,Fontijn-Tekamp FA

更新日期：2004-02-01 00:00:00

abstract：:The present study was designed to investigate the mechanical properties and load-relaxation of these discs in compression. Eight discs were used for the experiments. Compression was applied to specimens up to the specified strain, and a series of load-relaxation tests was conducted on each specimen from 0.25% strain t...

journal_title：Archives of oral biology

authors： Tanaka E,Tanaka M,Miyawaki Y,Tanne K

更新日期：1999-12-01 00:00:00

abstract：OBJECTIVE:Calbindin D9k (CB9k) and D28k (CB28k) are intracellular soluble calcium-binding proteins, whose expressions are considered to be regulated by vitamin D. However, the amount of CB28k expression in the kidneys of vitamin D receptor-null mice was reported to be similar to that in wild type mice, suggesting no de...

journal_title：Archives of oral biology

authors： Onishi T,Shintani S,Wakisaka S,Ooshima T

更新日期：2008-02-01 00:00:00

abstract：:The morphology and distribution of various types of intercellular junctions were investigated in young odontoblasts. Gap junctions were found between odontoblasts as well as between odontoblasts and fibroblasts in the dental pulp. The junctions between odontoblasts were larger and more numerous than those between odon...

journal_title：Archives of oral biology

authors： Iguchi Y,Yamamura T,Ichikawa T,Hashimoto S,Horiuchi T,Shimono M

更新日期：1984-01-01 00:00:00

abstract：:A task-force to resolve 26 pending forensic caseworks was carried out. We tested four different protocols to extract DNA from molar and pre-molar teeth from 26 cadavers with post-mortem intervals from 2 months to 12 years. We compared the amount of DNA and DNA profiles with the time elapsed between death and laborator...

journal_title：Archives of oral biology

authors： Raimann PE,Picanço JB,Silva DS,Albuquerque TC,Paludo FJ,Alho CS

更新日期：2012-11-01 00:00:00

abstract：OBJECTIVE:Gingival fibroblasts (GFs) can participate in the immune response and play an immune-regulatory role. This study was to evaluate whether GFs can be differently activated and polarized into distinct functional subtypes in response to T helper type 1 (Th1), or Th2 stimuli. DESIGN:Human GFs were stimulated by t...

journal_title：Archives of oral biology

authors： Jang JY,Baek KJ,Choi Y,Ji S

更新日期：2019-06-01 00:00:00

abstract：:Neurophysiological exploration of the trigeminal sensory complex was done on 42 cats under ketamine anaesthesia, paying special attention to units receiving a periodontal input. Among 492 cells recorded in the trigeminal sensory complex, 73 responded to mechanical stimulation of the periodontium and were precisely loc...

journal_title：Archives of oral biology

authors： Woda A,Azerad J,Albe-Fessard D

更新日期：1983-01-01 00:00:00

abstract：OBJECTIVES:to investigate p16(INK4a) and p14(ARF) tumor suppressor gene methylation status, determine telomere length and assess the importance of these epigenetic and genetic parameters in the development of pleomorphic adenoma and carcinoma ex pleomorphic adenoma of the parotid salivary glands. MATERIALS AND METHODS...

journal_title：Archives of oral biology

authors： Nikolic N,Anicic B,Carkic J,Simonovic J,Toljic B,Tanic N,Tepavcevic Z,Vukadinovic M,Konstantinovic VS,Milasin J

更新日期：2015-11-01 00:00:00