Distribution of fluoride in human dental calculus.

abstract：:The quality of radiographic diagnosis of occlusal carries was examined with special attention to the diagnosis of lesions in dentin. Eighty-four extracted teeth, most of them with occlusal caries of different severity and some apparently sound, were radiographed. For validation purposes, the lesion depths were recorde...

journal_title：Caries research

authors： Espelid I,Tveit AB,Fjelltveit A

更新日期：1994-01-01 00:00:00

abstract：:Dental caries is generally given the highest priority in national oral health services for school-aged populations. Yet, there is no study exploring the impacts on quality of life specifically related to dental caries in national samples of school-aged children. This study assessed prevalence and characteristics of or...

journal_title：Caries research

authors： Krisdapong S,Prasertsom P,Rattanarangsima K,Sheiham A

更新日期：2013-01-01 00:00:00

abstract：:The aim of this study was to develop an in vivo model in which onset, progression, and prevention of xerostomia-related dental caries can be studied. The progress of the caries process was investigated on ground and polished human enamel blocks placed in the lower denture of 7 edentulous subjects suffering from xerost...

journal_title：Caries research

authors： Jansma J,Vissink A,Gravenmade EJ,de Josselin de Jong E,Jongebloed WL,Retief DH

更新日期：1988-01-01 00:00:00

abstract：:The purpose of this study was to evaluate the influence of enamel defects in the development of dental caries and their association with feeding practices and oral health behaviors in a cohort study of low-socioeconomic children from birth to 36 months of age in northeastern Brazil. Subjects were registered at birth a...

journal_title：Caries research

authors： Oliveira AF,Chaves AM,Rosenblatt A

更新日期：2006-01-01 00:00:00

abstract：:The effects of 14-day use of either a chlorhexidine/xylitol or a xylitol chewing gum on salivary levels of mutans streptococci, lactobacilli, and yeasts were determined for 53 subjects (mean age 79.49 +/- 7.7 years) participating in this randomised, double-blind, placebo-controlled trial. Salivary flow rates and ename...

journal_title：Caries research

authors： Simons D,Kidd EA,Beighton D,Jones B

更新日期：1997-01-01 00:00:00

abstract：:This in vivo study aimed to compare the performance of different methods of approximal caries detection in primary molars. Fifty children (aged 5-12 years) were selected, and 2 examiners evaluated 621 approximal surfaces of primary molars using: (a) visual inspection, (b) the radiographic method and (c) a pen-type las...

journal_title：Caries research

authors： Novaes TF,Matos R,Braga MM,Imparato JC,Raggio DP,Mendes FM

更新日期：2009-01-01 00:00:00

abstract：:The tap water of Kuopio, Finland, was fluoridated from 1959 to 1992. In the first decade of fluoridation, children in Kuopio had lower DMF values than children in Jyväskylä, a nearby low-fluoride town, but later differences between the towns have been small and inconsistent. The present study aimed to gain further ins...

journal_title：Caries research

authors： Seppä L,Hausen H,Kärkkäinen S,Larmas M

更新日期：2002-09-01 00:00:00

abstract：:Early childhood caries (ECC) is closely related to high numbers of mutans streptococci, lactobacilli and Candida albicans. Oral colonization of these microorganisms was monitored in a prospective clinical study in order to investigate the effect of comprehensive treatment under general anesthesia and the sustainabilit...

journal_title：Caries research

authors： Klinke T,Urban M,Lück C,Hannig C,Kuhn M,Krämer N

更新日期：2014-01-01 00:00:00

abstract：:A selected group of oral bacteria commonly associated with dental health is capable of producing alkali via the arginine deiminase system (ADS), which has a profound impact on the pH of human oral biofilms. An increased risk for dental caries has been associated with reduced ADS activity of the bacteria in oral biofil...

journal_title：Caries research

authors： Huang X,Schulte RM,Burne RA,Nascimento MM

更新日期：2015-01-01 00:00:00

abstract：:Arginine metabolism via the arginine deiminase system (ADS) of oral bacteria generates ammonia, which can increase the pH of oral biofilms and decrease the risk for dental caries. Antagonistic interactions between ADS-positive and cariogenic bacteria in oral biofilms may be an important ecological determinant of carie...

journal_title：Caries research

authors： Huang X,Browngardt CM,Jiang M,Ahn SJ,Burne RA,Nascimento MM

更新日期：2018-01-01 00:00:00

abstract：:To estimate permeability properties of bovine dental enamel, complex impedance measurements and radioisotope diffusion experiments were carried out before and after X-ray irradiation (single dose, 72 Gy) of enamel specimens. Neither impedance measurements nor diffusion experiments showed significant changes in permeab...

journal_title：Caries research

authors： Jansma J,Borggreven JM,Driessens FC,'s-Gravenmade EJ

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND:Over the last years, conventional restorations for the treatment of active carious lesions (CL) in primary teeth have been challenged and a more biological approach has been suggested. This approach involves less invasive techniques that alter the environment of the CL isolating it from the cariogenic biofil...

journal_title：Caries research

authors： BaniHani A,Deery C,Toumba J,Duggal M

更新日期：2019-01-01 00:00:00

abstract：:The crowns of 60 permanent human molars were sectioned transversally. The exposed dentin surface was divided into different parts: a first part was kept as control, a second part was immediately varnished, and a third part was irradiated with a CO2 laser using the same irradiation conditions as those applied for carie...

journal_title：Caries research

authors： Nammour S,Renneboog-Squilbin C,Nyssen-Behets C

更新日期：1992-01-01 00:00:00

abstract：:The aim of the present study was to develop transverse microradiography (TMR) in order to quantitatively assess the influence of artificial saliva and orange juice on the erosion of bovine enamel. Bovine incisors were sectioned sagittally into two equal halves. Each half was coated with acid-resistant nail varnish exc...

journal_title：Caries research

authors： Amaechi BT,Higham SM,Edgar WM

更新日期：1998-01-01 00:00:00

abstract：:Erythritol is a sugar alcohol produced by Aureobasidium sp. from glucose. It is 75-80% as sweet as sucrose and is also nonhygroscopic. The aim of this study was to evaluate this sugar substitute from a cariological point of view. Erythritol was neither utilized as a substrate for the lactic acid production nor for pla...

journal_title：Caries research

authors： Kawanabe J,Hirasawa M,Takeuchi T,Oda T,Ikeda T

更新日期：1992-01-01 00:00:00

abstract：:In the past, caries has usually increased after cessation of water fluoridation. More recently an opposite trend could be observed: DMFT remaining stable or even decreasing further. The aim of the present study conducted in La Salud (Province of Habana) in March 1997 was to analyse the current caries trend under the s...

journal_title：Caries research

authors： Künzel W,Fischer T

更新日期：2000-01-01 00:00:00

abstract：:Ion-sensitive field-effect transistor (ISFET) pH electrodes were used to monitor changes in plaque pH at the base of artificial occlusal surface fissures and at interproximal sites. Bovine enamel was used to construct fissures (1.5 x 0.1 x 1.0 mm) containing a small ISFET electrode. The fissures were fixed to carrier ...

journal_title：Caries research

authors： Igarashi K,Lee IK,Schachtele CF

更新日期：1989-01-01 00:00:00

abstract：:Pooled plaque samples were obtained from (1) coronal surfaces of two groups of caries-free (CF) subjects, (2) coronal 'white-spot' surface areas of a group of caries-positive (CP) subjects, and (3) exposed, sound root surfaces of root caries-free (RCF) and root caries-positive (RCP) subjects. The plaque samples were o...

journal_title：Caries research

authors： Margolis HC,Zhang YP,van Houte J,Moreno EC

更新日期：1993-01-01 00:00:00

abstract：:The aim was to study the short-term effect of a varying sucrose exposure on plaque acidogenicity and cariogenic microflora in two groups of subjects with different levels of mutans streptococci (MS). Eight subjects with low (<10(4)) and 8 with high (>10(6)) numbers of MS per millilitre saliva participated. Three 7-day...

journal_title：Caries research

authors： Aranibar Quiroz EM,Lingström P,Birkhed D

更新日期：2003-01-01 00:00:00

abstract：:The objective of this research was to verify the association between verbal bullying and untreated dental caries. The present cross-sectional study had a representative sample of 1,589 children, aged 8-10 years, from public schools. Information on verbal bullying related to the oral condition was obtained through a qu...

journal_title：Caries research

authors： Barasuol JC,Soares JP,Castro RG,Giacomin A,Gonçalves BM,Klein D,Torres FM,Borgatto AF,Ramos-Jorge ML,Bolan M,Cardoso M

更新日期：2017-01-01 00:00:00

abstract：:This in situ/ex vivo study evaluated whether saliva stimulated by chewing gum could prevent or reduce the wear and the percent change in microhardness (%SMH) of bovine and human enamel submitted to erosion followed by brushing abrasion immediately or after 1 h. During 2 experimental 7-day crossover phases, 9 previousl...

journal_title：Caries research

authors： Rios D,Honório HM,Magalhães AC,Delbem AC,Machado MA,Silva SM,Buzalaf MA

更新日期：2006-01-01 00:00:00

abstract：:Based on the current concept of the caries-preventive mechanism of fluoride, the fluoride concentration of some professionally applied fluoride preparations appears unnecessarily high. The aim of this trial was to study whether reducing the fluoride concentration of the sodium fluoride varnish Duraphat from the presen...

journal_title：Caries research

authors： Seppä L,Pöllänen L,Hausen H

更新日期：1994-01-01 00:00:00

abstract：:Oral exposed, natural root surfaces of extracted human teeth were subjected to artificial lesion formation in gels of dialyzed gelatin that contained 75 mM lactic and 25 mM acetic acid and 1, 3, 10, 32, 100, 320, 550, or 1,000 mg F/l at pH 4.3-4.4 and at 36 degrees C. Ca and PO4 demineralization per square millimeter ...

journal_title：Caries research

authors： Feagin FF,Graves CN

更新日期：1988-01-01 00:00:00

abstract：:The purpose of this in vitro study was to assess the validity and reproducibility of the diagnosis of fissure caries prior to and following the placement of a clear sealant. One hundred and twelve extracted molar teeth were examined by 7 experienced clinicians. Each examiner conducted four visual examinations, 2 prior...

journal_title：Caries research

authors： Deery C,Fyffe HE,Nugent Z,Nuttall NM,Pitts NB

更新日期：1995-01-01 00:00:00

abstract：:The aim of this study was to evaluate the anti-erosive effect of solutions containing sodium fluoride (F: 225 ppm F-), stannous chloride (Sn: 800 ppm Sn2+), and some film-forming polymers (Gantrez: Poly [methylvinylether-alt-maleic anhydride]; PGA: propylene glycol alginate; Plasdone: poly[vinylpyrrolidone]; and CMC: ...

journal_title：Caries research

authors： Bezerra SJC,João-Souza SH,Aoki IV,Borges AB,Hara AT,Scaramucci T

更新日期：2019-01-01 00:00:00

abstract：:The effect of supplementing the diet or drinking water with lactate dehydrogenase (LDH) on the formation of caries lesions in rats was investigated. Addition of LDH [20 and 5 mg/kg in the high-sucrose (65%) diet, 2 and 1 U/ml in the drinking water (LDH-specific activity 735 U/mg solid)] resulted in significant reducti...

journal_title：Caries research

authors： Higham SM,Edgar WM

更新日期：1990-01-01 00:00:00

abstract：:The purpose of this study was to compare the enamel remineralization effectiveness of a fluoride rinse, fluoridated dentifrice, and fluoride-releasing restorative material. Forty extracted molars had 1 x 5 mm artificial carious lesions formed at the interproximal contact point. One-hundred-micrometer sections were obt...

journal_title：Caries research

authors： Marinelli CB,Donly KJ,Wefel JS,Jakobsen JR,Denehy GE

更新日期：1997-01-01 00:00:00

abstract：:This study evaluated, by cross-sectional hardness (CSH), enamel maturation at different depths in sound human teeth at different posteruptive ages (12 per age group): unerupted (molars; control), 2-3 years (premolars), 4-10 years (premolars) and >10 years (molars). Cross-sectional Knoop hardness was measured at 10, 30...

journal_title：Caries research

authors： Cardoso CA,Magalhães AC,Rios D,Lima JE

更新日期：2009-01-01 00:00:00

abstract：:Erosion of the buccal incisor enamel, most frequent in the upper jaw, has been associated with excessive oral exposure to citric acid-containing foodstuffs. The aim of the study was to determine the retention of citric acid at different sites in the mouth after a standardized exposure. Thirty-four normal subjects rins...

journal_title：Caries research

authors： Bashir E,Gustavsson A,Lagerlöf F

更新日期：1995-01-01 00:00:00

abstract：:One aim of the present laboratory study was to determine whether a visual scoring system (ERK) developed for occlusal caries could be applied to approximal lesions. A new histological technique (autofluorescence, AF) recognises dentine that is soft and would be removed with an excavator during operative treatment. A s...

journal_title：Caries research

authors： Kidd EA,Banerjee A,Ferrier S,Longbottom C,Nugent Z

更新日期：2003-03-01 00:00:00