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Remineralization

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https://www.readbyqxmd.com/read/28617400/-teeth-wedge-shaped-defects-in-adults-of-different-age-groups-remark-to-prevention-and-treatment
#1
A K Iordanishvili, O L Pikhur, D A Cherni
The aim of the study was to assess the treatment of teeth wedge defects in different age groups. Records of 383 patients (125 males and 258 females aged 22-85 years) treated in outpatient dental facilities with different ownership forms. It is shown that the medical care of patients with wedge-shaped teeth defects routinely consists of remineralization therapy and restoration of anatomical teeth shape regardless of the form of ownership. The extensiveness of dental rehabilitation as well as the use of more modern technologies are typical for private clinics and 96-100% of patients finished their treatment there...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28583249/efficacy-of-four-remineralizing-agents-on-primary-teeth-in-vitro-evaluation-using-microhardness-testing-and-quantitative-light-induced-fluorescence
#2
Gayathri Krishnan, Sageena George, S Anandaraj, Sheen Ann John, V Mathew, Nikil M Shanavas
PURPOSE: This study's purpose was to evaluate the remineralization of primary enamel using GC Tooth Mousse, Clinpro Tooth Crème, SHY-NM, and Pronamel by employing microhardness testing and quantitative light-induced fluorescence (QLF) values. METHODS: An in vitro study was performed with 100 intact primary anterior teeth. After specimen preparation, they were subjected to baseline microhardness and QLF testing. The specimens were immersed in demineralizing solution, subjected again to microhardness and QLF testing, and divided randomly into five groups of 20 teeth: group one-control group (artificial saliva); group two-GC Tooth Mousse; group three-ClinPro tooth crème; group four-SHY-NM; and group five-Pronamel...
May 15, 2017: Pediatric Dentistry
https://www.readbyqxmd.com/read/28579385/response-of-carious-enamel-to-tif4-varnish-treatment-under-diverse-cariogenic-activities-in-situ
#3
L P Comar, B M Souza, J Martins, M G Santos, M A R Buzalaf, A C Magalhães
OBJECTIVE: To compare the effect of TiF4 and NaF varnishes on pre-demineralized bovine enamel under different cariogenic activities in situ. METHODS: Twenty subjects participated of this in situ study with 3 crossover phases (14days each), in which they wore palatal appliances containing demineralized bovine enamel samples (8 samples/appliance for phase) treated with TiF4, NaF (all with 2.45% F) or placebo varnish. The samples were subjected to different cariogenic conditions (1...
June 1, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28571282/microhardness-and-penetration-of-artificial-white-spot-lesions-treated-with-resin-or-colloidal-silica-infiltration
#4
Jyothi Mandava, Y Shilpa Reddy, Sirisha Kantheti, Uma Chalasani, Ravi Chandra Ravi, Roopesh Borugadda, Ravi Kumar Konagala
INTRODUCTION: Infiltration of early enamel lesions by materials having remineralizing capacity seems to improve aesthetics and arrests caries progression. AIM: To evaluate and compare the surface microhardness and penetration depth of a low viscosity resin and colloidal silica nanoparticle infiltrates into artificially created white spot lesions. MATERIALS AND METHODS: Forty extracted human central incisors were embedded in acrylic resin blocks exposing the labial surfaces of the crowns...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28571254/quantitative-analysis-of-remineralization-of-artificial-carious-lesions-with-commercially-available-newer-remineralizing-agents-using-sem-edx-in-vitro-study
#5
Zaheer Ahmed Shaik, Tanikonda Rambabu, Girija Sajjan, Madhu Varma, Kalyan Satish, Vijayalakshmi Bhupathi Raju, Sirisha Ganguru, Nagalkashmi Ventrapati
INTRODUCTION: The basic principle of remineralization is by advocating a biological or non-invasive approach rather than the surgical approach for early enamel lesions. There are relatively newer products available for remineralization, latest being the resin-infiltration technique, commercially available as Icon. AIM: The aim of the study was to evaluate the remineralizing potential of Casein Phosphopeptide-Amorphous Calcium Phosphate (CPP-ACP), Vantej and Icon by the quantitative evaluation of mineral gain...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28552363/in-situ-evaluation-of-fluoride-stannous-and-polyphosphate-containing-solutions-against-enamel-erosion
#6
Samira Helena João-Souza, Sávio José C Bezerra, Patrícia Moreira de Freitas, Nelson B de Lima, Ana Cecília Corrêa Aranha, Anderson T Hara, Taís Scaramucci
OBJECTIVE: To evaluate the anti-erosive effect of solutions containing sodium fluoride (F: 225ppm of fluoride), sodium fluoride+stannous chloride (F+Sn: 225ppm of fluoride+800ppm of stannous), sodium fluoride+stannous chloride+sodium linear polyphosphate (F+Sn+LPP: 225ppm of fluoride+800ppm of stannous+2% of sodium linear polyphosphate), and deionized water (C: control), using a four-phase, single-blind, crossover in situ clinical trial. METHODS: In each phase, 12 volunteers wore appliances containing 4 enamel specimens, which were submitted to a 5-day erosion-remineralization phase that consisted of 2h of salivary pellicle formation with the appliance in situ, followed by 2min extra-oral immersion in 1% citric acid (pH 2...
May 25, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28545439/distribution-of-white-spot-lesions-among-orthodontic-patients-attending-teaching-institutes-in-khartoum
#7
Maha Kamal Eltayeb, Yahia Eltayeb Ibrahim, Ikhlas Ali El Karim, Nada Mirghani Sanhouri
BACKGROUND: Fixed orthodontic appliances render teeth cleaning arduous, thus when orthodontic treatment is associated with inadequate oral hygiene practice, development of white spot lesions (WSLs) imposes a significant risk on the dentition. Salivary reservoir of calcium, magnesium, phosphorous and fluoride counteracts demineralization and encourages remineralization providing protection against caries challenge. The investigation of the factors leading to WSLs' development is mandatory for appropriate prevention strategies planning...
May 25, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28540937/dental-caries
#8
REVIEW
Nigel B Pitts, Domenick T Zero, Phil D Marsh, Kim Ekstrand, Jane A Weintraub, Francisco Ramos-Gomez, Junji Tagami, Svante Twetman, Georgios Tsakos, Amid Ismail
Dental caries is a biofilm-mediated, sugar-driven, multifactorial, dynamic disease that results in the phasic demineralization and remineralization of dental hard tissues. Caries can occur throughout life, both in primary and permanent dentitions, and can damage the tooth crown and, in later life, exposed root surfaces. The balance between pathological and protective factors influences the initiation and progression of caries. This interplay between factors underpins the classification of individuals and groups into caries risk categories, allowing an increasingly tailored approach to care...
May 25, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28535357/effects-of-composites-containing-bioactive-glasses-on-demineralized-dentin
#9
A Tezvergil-Mutluay, R Seseogullari-Dirihan, V P Feitosa, G Cama, D S Brauer, S Sauro
The aim of this study was to evaluate the degradation of completely demineralized dentin specimens in contact with a filler-free or 2 ion-releasing resins containing micrometer-sized particles of Bioglass 45S5 (BAG) or fluoride-containing phosphate-rich bioactive glass (BAG-F). Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) were also used to evaluate the remineralization induced by the experimental ion-releasing resin-based materials. Dentin beams were totally demineralized in H3PO4 (10%) and placed in direct contact with a filler-free (RESIN) or 2 experimental ion-releasing resins (BAG or BAG-F) and immersed in artificial saliva (AS) up to 30 d...
May 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28532089/a-poly-2-hydroxyethyl-methacrylate-based-resin-improves-the-dentin-remineralizing-ability-of-calcium-silicates
#10
Paola Taddei, Carlo Prati, Maria Giovanna Gandolfi
Bioactive polymeric composites have received great attention for their capability to remineralize the dentin tissue. This study was aimed at evaluating if a poly(HEMA-co-TEGDMA) resin (HEMA: 2-hydroxyethyl methacrylate; TEGDMA: triethyleneglycol dimethacrylate) may increase the in vitro apatite forming ability of a calcium silicate cement (CaSi), in view of developing a hydrophilic light-curable composite bio-remineralizing restorative material (R-CaSi). To this purpose, the following experiments were carried out: (1) In vitro apatite forming ability of R-CaSi and CaSi was comparatively assessed by micro-Raman spectroscopy after immersion of the cement disks in Dulbecco's Phosphate Buffered Saline (DPBS) at 37°C for 1-28days; (2) Previously demineralized human dentin slices were soaked for 7days in close contact with the CaSi and R-CaSi cements as well as poly(HEMA), poly(TEGDMA) and poly(HEMA-co-TEGDMA), and then were comparatively analyzed by IR spectroscopy...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28530844/developing-a-new-generation-of-antimicrobial-and-bioactive-dental-resins
#11
L Cheng, K Zhang, N Zhang, M A S Melo, M D Weir, X D Zhou, Y X Bai, M A Reynolds, H H K Xu
Dental caries is prevalent, and secondary caries causes restoration failures. This article reviews recent studies on developing a new generation of bioactive resins with anticaries properties. Extensive effects were made to develop new antimicrobial composites, bonding agents, and other resins containing quaternary ammonium methacrylates to suppress plaque buildup and bacterial acid production. The effects of alkyl chain length and charge density and the antimicrobial mechanisms for chlorhexidine, nano-silver, quaternary ammonium methacrylates, and protein-repellent agents were discussed...
May 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28526130/poly-amido-amine-and-calcium-phosphate-nanocomposite-remineralization-of-dentin-in-acidic-solution-without-calcium-phosphate-ions
#12
Kunneng Liang, Han Zhou, Michael D Weir, Chongyun Bao, Mark A Reynolds, Xuedong Zhou, Jiyao Li, Hockin H K Xu
OBJECTIVE: Patients with dry mouth often have an acidic oral environment lacking saliva that provides calcium (Ca) and phosphate (P) ions. However, there has been no study on dentin remineralization by placing samples in an acidic solution without Ca and P ions. Previous studies used saliva-like solutions with neutral pH and Ca and P ions. Therefore, the objective of this study was to investigate a novel method of combining poly(amido amine) (PAMAM) with a composite of nanoparticles of amorphous calcium phosphate (NACP) on dentin remineralization in an acidic solution without Ca and P ions for the first time...
May 16, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28525257/self-etch-adhesive-as-a-carrier-for-acp-nanoprecursors-to-deliver-biomimetic-remineralization
#13
Zhifang Wu, Xiaokan Wang, Zhe Wang, Changyu Shao, Xiaoting Jin, Leiqing Zhang, Haihua Pan, Ruikang Tang, Baiping Fu
Lab biomineralization should be carried out in an actual clinical practice. This study evaluated self-etch adhesive as a carrier for amorphous calcium phosphate (ACP) nanoprecursors to continuously deliver biomimetic remineralization of self-assembly type I collagen and demineralized dentin. Si-containing ACP particles (Si-ACP) stabilized with polyaspartic acid (PAsp) were synthesized and characterized by transmission electron microscopy (TEM), scanning electron microscopy-energy-dispersive X-ray spectroscopy, Fourier transform infrared analysis, X-ray powder diffractometry, and X-ray phototelectron spectroscopy...
May 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28521107/formation-of-fluorohydroxyapatite-with-silver-diamine-fluoride
#14
M L Mei, F Nudelman, B Marzec, J M Walker, E C M Lo, A W Walls, C H Chu
Silver diamine fluoride (SDF) is found to promote remineralization and harden the carious lesion. Hydroxyapatite crystallization is a crucial process in remineralization; however, the role of SDF in crystal formation is unknown. We designed an in vitro experiment with calcium phosphate with different SDF concentrations (0.38, 1.52, 2.66, 3.80 mg/mL) to investigate the effect of this additive on the nucleation and growth of apatite crystals. Two control groups were also prepared-calcium phosphate (CaCl2·2H2O + K2HPO4 in buffer solution) and SDF (Ag[NH3]2F in buffer solution)...
May 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28516412/optimization-of-adhesive-pastes-for-dental-caries-prevention
#15
Patteera Sodata, Apa Juntavee, Niwut Juntavee, Jomjai Peerapattana
Dental caries prevention products available on the market contain only remineralizing agents or antibacterial agents. This study aimed to develop adhesive pastes containing calcium phosphate and α-mangostin for dental caries prevention using the optimization technique. Calcium phosphate was used as a remineralizing agent, and extracted α-mangostin was used as an antibacterial agent. The effect of the independent variables, which were fumed silica, Eudragit(®) EPO, polyethylene glycol, and ethyl alcohol, on the responses was investigated...
May 17, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28514339/-increased-oral-fluid-remineraling-function-by-endogenous-and-exogenous-saturation-methods-of-its-mineral-complexes
#16
O G Avraamova, Yu A Ippolitov, Ya A Plotnikova, P V Seredin, D V Goloshapov, E O Aloshina
RELEVANCE: One of the most common problems in modern caries prevention is the development of techniques to increase tooth resistance to the effects of cariogenic factors. Therefore, research is needed to study the chemical composition of tissues like teeth and body fluids surrounding the tooth to prevent demineralization process. The purpose of determining the effectiveness of work- and correlation relationship between endo saturation exogenous methods oral liquid mineral complexes. MATERIAL AND METHODS: In 95 patients analyzed the chemical composition and structure of the oral fluid by IR spectroscopy...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28512540/the-effects-of-three-remineralizing-agents-on-regression-of-white-spot-lesions-in-children-a-two-week-single-blind-randomized-clinical-trial
#17
Masoumeh Ebrahimi, Maryam Mehrabkhani, Farzaneh Ahrari, Iman Parisay, Maliheh Jahantigh
BACKGROUND: This study investigated the effect of three remineralizing agents on improving white spot lesions (WSLs). MATERIAL AND METHODS: This clinical trial included children who had at least one WSL on anterior teeth of upper or lower jaws. The participants were randomly assigned to 4 groups by treatment: 1) a cream containing casein phosphopeptide-amorphous calcium phosphate and fluoride (MI Paste Plus); 2) a cream containing hydroxyapatite and fluoride (Remin Pro); 3) a 2% sodium fluoride gel; and 4) usual home care (control)...
May 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28502026/dentin-remineralizing-ability-and-enhanced-antibacterial-activity-of-strontium-and-hydroxyl-ion-co-releasing-radiopaque-hydroxyapatite-cement
#18
R Jayasree, T S Sampath Kumar, S Mahalaxmi, Sireesha Abburi, Y Rubaiya, Mukesh Doble
Dental caries is an infection of the mineralized tooth structures that advances when acid secreted by bacterial action on dietary carbohydrates diffuses and dissolves the tooth mineral leading to demineralization. During treatment, clinicians often remove only the superficial infected tooth structures and retain a part of affected carious dentin to prevent excessive dentin loss and pulp exposure. Calcium hydroxide is used to treat the affected dentin because it is alkaline, induces pulp-dentin remineralization and decreases bacterial infection...
June 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28500516/nd-yag-laser-irradiation-associated-with-fluoridated-gels-containing-photo-absorbers-in-the-prevention-of-enamel-erosion
#19
Lgs Pereira, S H Joao-Souza, Sjc Bezerra, A B Borges, Acc Aranha, T Scaramucci
This study evaluated the combined effect of Nd:YAG laser irradiation and fluoridated gels containing photo absorbers against enamel erosion. Enamel specimens from bovine teeth were polished, eroded (10 min, with 1% citric acid, pH = 2.6), and randomly allocated into the experimental groups (n = 8), according to the different surface treatments: fluoridated gels (F: 9047 ppm F and F + Sn: 9047 ppm F and 3000 ppm Sn), with or without photo absorbers (E: erythrosine and MB: methylene blue), and associated or not with Nd:YAG laser irradiation (in contact; 0...
May 12, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28482551/synthesis-and-characterization-of-silver-phosphate-calcium-phosphate-mixed-particles-capable-of-silver-nanoparticle-formation-by-photoreduction
#20
Livia C Natale, Yvette Alania, Marcela C Rodrigues, Alyne Simões, Douglas N de Souza, Erick de Lima, Victor E Arana-Chavez, Thiago L R Hewer, Rochelle Hiers, Fernando L Esteban-Florez, Giancarlo E S Brito, Sharukh Khajotia, Roberto R Braga
Silver phosphate is a semi-conductor sensitive to UV-Vis radiation (<530nm). Exposure to radiation removes electrons from the oxygen valence shell, which are scavenged by silver cations (Ag(+)), forming metallic silver (Ag(0)) nanoparticles. The possibility of silver nanoparticle formation in situ by a photoreduction process was the basis for the application of mixed calcium phosphate/silver phosphate particles as remineralizing and antibacterial fillers in resin-based dental materials. Mixed phosphate particles were synthesized, characterized and added to a dimethacrylate resin in 20% or 30% mass fractions to investigate their efficacy as ion-releasing fillers for dental remineralization and antibacterial activity...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
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