نتایج جستجو برای: amorphous calcium phosphate nanocomplex

تعداد نتایج: 283074  

Journal: :journal of dentistry, tehran university of medical sciences 0
ghazaleh ahmadi zenouz fariba ezoji seyede anese enderami soraya khafri

objectives: this study aimed to assess the effect of applying casein phosphopeptide–amorphous calcium phosphate (cpp-acp) paste, casein phosphopeptide–amorphous calcium phosphate fluoride (cpp-acpf) paste and sodium fluoride gel on surface microhardness of enamel after microabrasion. materials and methods: thirty freshly extracted human premolars were selected. all samples were subjected to har...

Journal: :journal of dentistry, tehran university of medical sciences 0
farzin heravi dental materials research center, professor of orthodontics, school of dentistry, mashhad university of medical sciences, mashhad, iran. maryam omidkhoda oral & maxillofacial diseases research center, associate professor of orthodontics, school of dentistry, mashhad university of medical sciences, mashhad, iran. niloufar koohestanian general dentist and research scholar, division of biomedical engineering, brigham and woman's hospital, harvard medical school, boston, usa. tabassom hooshmand associate professor, department of dental biomaterials, school of dentistry, tehran university of medical sciences, tehran, iran. hossein bagheri assistant professor of dental biomaterials, dental materials research center, department of operative dentistry, faculty of dentistry, mashhad university of medical sciences, mashhad, iran. negin ghaffari dental student, university of toronto, faculty of dentistry. toronto, canada.

objectives: the aim of this study was to evaluate and compare the retentive strength of orthodontic bands cemented with amorphous calcium phosphate (acp)-containing and conventional glass ionomer cements (gics). materials and methods: one-hundred-and-twenty mandibular third molars were embedded in acrylic resin blocks with the buccal surface of crowns perpendicular to the base of the mold. the ...

Journal: :dental research journal 0
udaya kumar palaniswamy neha prashar mamta kaushik surender ram lakkam shikha arya swetha pebbeti

background: this study was done to evaluate remineralizing potential of bioactive glasses (bags)and amorphous calcium phosphate‑casein phosphopeptide (acp‑cpp) on early enamel lesion.materials and methods: twenty freshly extracted mandibular premolars were sectioned sagittally.the buccal half was impregnated in acrylic resin blocks and treated with 37% phosphoric acid inliquid form, to deminera...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
اعظم ولیان azam valian dental school, shahid beheshti university of medical sciences, tehran-iran.دانشکده دندانپزشکی، دانشگاه علوم پزشکی شهید بهشتی. مریم معزی زاده maryam moezzizadeh dental school, shahid beheshti university of medical sciences, tehran-iran.دانشکده دندانپزشکی، دانشگاه علوم پزشکی شهید بهشتی. الهام مروج صالحی elham moravej salehi dental school, shahid beheshti university of medical sciences, tehran-iran.دانشکده دندانپزشکی، دانشگاه علوم پزشکی شهید بهشتی.

objective: amorphous calcium phosphate (acp) is a reactive solution capable of releasing calcium and phosphate ions, conversion to apatite and remineralization of mineral tooth structure. this study reviews acp structure, its properties and its applications in dentistry.   methods: in this review study, keywords including “amorphous calcium phosphate”, “mineralization”, “hydroxyapatite”, “casei...

Journal: :Dental Materials Journal 2021

This study evaluated the effect of incorporating phosphorylated chitosan/amorphous calcium phosphate nanocomplex (Pchi/ACP) into an experimental light-cure composite resin on mechanical-chemical properties and human dentin remineralization. The results showed that mechanical strength contact angles resins decreased with increase incorporation Pchi/ACP. Release concentrations in saline solution ...

Azam Valian, Elham Moravej Salehi, Maryam Moezzizadeh,

  Objective: Amorphous calcium phosphate (ACP) is a reactive solution capable of releasing calcium and phosphate ions, conversion to apatite and remineralization of mineral tooth structure. This study reviews ACP structure, its properties and its applications in dentistry.   Methods: In this review study, keywords including “amorphous calcium phosphate”, “mineralization”, “hydroxyapatite”, “cas...

Journal: :dental research journal 0
haleh heshmat maryam hoorizad ganjkar yasaman miri mohamad javad kharrazi fard

background: in order to compensate the adverse consequences of bleaching agents, the use of fl uoride-containing remineralizing agents has been suggested by many researchers. the aim of this study was to compare the effect of applying two remineralizing materials on bleached enamel hardness and in comparison to natural saliva. materials and methods: in this experimental study, 30 enamel samples...

Journal: :The Journal of clinical investigation 1991
S M Qiu G Wen N Hirakawa R D Soloway N K Hong R S Crowther

Calcium hydroxyapatite can be a significant component of black pigment gallstones. Diverse molecules that bind calcium phosphate inhibit hydroxyapatite precipitation. Because glycine-conjugated bile acids, but not their taurine counterparts, bind calcium phosphate, we studied whether glycochenodeoxycholic acid inhibits calcium hydroxyapatite formation. Glycochenodeoxycholic acid (2 mM) totally ...

Journal: :journal of dental research, dental clinics, dental prospects 0
mahmoud bahari faculty of dentistry, tabriz university of medical sciences siavash savadi oskoee soodabeh kimyai firoz pouralibaba marouf norouzi farrokh farhadi

background and aims. the aim was to evaluate the effect of casein phosphopeptide–amorphous calcium phosphate (cpp-acp) on microtensile bond strength (µtbs) to carious affected dentin (cad) using etch-and-rinse and self-etch adhesive systems. materials and methods. the occlusal surface of 32 human molars with moderate occlusal caries was removed. infected dentin was removed until reaching cad an...

Journal: :novelty in biomedicine 0
shila emamieh department of operative dentistry, school of dentistry, shahid beheshti university of medical sciences, tehran, iran hossein goudarzi department of microbiology, school of medicine, shahid beheshti university of medical sciences, tehran, iran alireza akbarzadeh baghban department of basic sciences, school of rehabilitation, shahid beheshti university of medical sciences, tehran, iran yosra khaterizadeh department of operative dentistry, school of dentistry, shahid beheshti university of medical sciences, tehran, iran

background:dental caries is associated with oral pathogenes and streptococcus mutans (s. mutans)is one of the primary cariogenic organisms. the aim of this clinical study was to evaluate the effect of sugar free chewing gum containing casein phosphopeptide-amorphous calcium phosphate(cpp-acp) and xylitol on salivary streptococcus mutan.   m aterials and methods: 60 dental students, who voluntee...

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