elastic impression materials slideshare

Zinc Oxide Eugenol 4. Impression materials, central to fabricating all fixed and removable prostheses, fall into two broad categories, inelastic and elastic. If you continue browsing the site, you agree to the use of cookies on this website. According to philips scienceof dental materials impression materials … We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Many contagious diseases such as AIDS, hepatitis, herpes I and II, tuberculosis, and many others can be prevented by practical control of infection in the dental office. Elastic impression materials can be further divided into hydrocolloid and elastomeric impression. alginate impression materials mcqs download. Elastic impression materials. Upcoming SlideShare. 1. Elastomeric materials include polysulfide, polyether, condensation-cured silicone, and addition-cured silicone. Looks like you’ve clipped this slide to already. 0 Issues des intégrations. hydrocolloids impression materials agar and alginate. Non-Elastic Impression Materials. Elastic impressions (hydrocolloids) 1. 1st year MDS Hydrocolloid impression materials. See our Privacy Policy and User Agreement for details. Elastic impression materials 1. M.Phil. Elastomeric = Rubber-like polymers that show an elastic behavior at the time of load application These polymer molecules have weak interaction in between (Van der Wall forces), although they are tied together in 3D network. 0 ... stability. … department of prosthodontics m.a.r.d.c. As the material is reversible, it can be re-used, but after sterilization. Non elastic impression materials 1. Silicone based impression materials Aamir Godil. prosthodontics impressions non elastic impression materials. Elastomeric Impression Materials 2. Vinay Pavan Kumar .K silicone based impression materials condensation silicone aamir godil first year p.g. Regular Permlastic is recommended for partial- or full denture impressions because it has a high degree of flow that will register the finest detail. Home; Explore ; Page 1 of 75,761 results for elastic. Clipping is a handy way to collect important slides you want to go back to later. Impression materials A brief introduction Dr saransh malot 2. If you continue browsing the site, you agree to the use of cookies on this website. Impression materials used for advanced operative procedures such as crown and bridgework must have elastic properties to allow the removal from undercut areas in the mouth without creating permanent distortion; these can be either water based (hydrocolloids) or synthetic elastomers. BDS. elastic impression materials introduction to elastomers. See our Privacy Policy and User Agreement for details. Elastic materials have a soft consistency but after setting, they become elastic. Follow Published on Aug 7, 2014. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. See our User Agreement and Privacy Policy. Upload; Login; Signup; Submit Search. Impression Waxes Impression Plaster . After the preparation, they are placed inside impression trays. mcqs in dental materials jaypee brothers. 0. 0 From Embeds. Impression compound 2. There are several classification. 9 Acciones. AECS Maaruti College of Dental Sciences. 7 ↓ ↓ ↓ ↓ I 1920 I 1930 I 1 940 I … Agar Hydrocolloid was the first successful elastic impression material to be used in dentistry. Descargas. The former are used for edentulous patients and for interocclusal records whereas the latter are for dentate patients. Hydrocolloids Definition Classification Composition Properties Manipulation Advantages and disadvantages 3. download file buhn01 hol es. Looks like you’ve clipped this slide to already. SlideShare Explore Search You. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Technique, accuracy, taste, ease of manipulation, cost, dimensional stability a… The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats. To separate cast from the impression, use warm water. Elastic impression materials are those that remain in an elas-tic or flexible state after they have been removed from the mouth. The mix should be a smooth paste, free of air bubbles, which may appear on the surface of the impression leading to inaccuracy. 0 De insertados. General Comments – Impression materials are used to make replicas (models or casts) of t eeth and other oral tissues. Elastic impression materials - abhishek kavlekar Abhishek Kavlekar. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 91 Comentarios. They are easy to handle and their accuracy is pretty good. Impression materials Elastic Chemical reactions Irreversible Alginate Elastomers Polysulphides Polyethers Condensation silicon Addition silicon Temperature change Reversible Agar hydrocolloid Chemical reactions Irreversible Plaster of Paris ZnO Eugenol Temperature change Reversible Impression … See our User Agreement and Privacy Policy. Although a compressive test was selected to measure the properties of tooth structures in Figure 4-5, the elastic modulus can also be measured by means of a … The materials. the material is non-elastic, so cannot be used in undercut areas. 2/23/2016 17. Impression materials Rigid Impression plaster Zinc Oxide Eugenol Impression compound Impression waxes Elastic Hydrocolloid Elastomers Reversible hydrocolloid Irreversible hydrocolloid Polysulfid es Silicones Polyether s 5. Different types of impression materials are available. Now customize the name of a clipboard to store your clips. Non-elastic materials are generally not used for taking impressions of crown preparations because of their inability to accurately record undercuts. Impressions are used in the dental surgery to produce accurate (varying degrees of accuracy) negative reproductions of the patients’ teeth, surrounding tissues and dental arches. The term elastic as applied to impression materials is fairly unequivocal since the materials which form this group all possess the ability to be stretched or compressed and give a reasonable degree of elastic recovery following strain. Have adequate strength so that it will not break or tear whileremoving from the mouth. Elastic Impression Materials Hydrocolloids Vinay Pavan Kumar .K 1st year MDS Dept of Prosthodontics AECS Maaruti College of Dental Sciences 2. You can change your ad preferences anytime. Loading in … 5 × 1 of 87 ; Elastic impression materials/ dentistry online 13,655 views. 2. 3 579 ... Elastic impression materials/ dentistry online Indian dental academy. mcqs in dental materials 1st edition elsevier. Hence impression materials are classified as being elastic or non-elastic. Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental prof… These supporting structures include gingiva, a lveolar bone or residual ridge, hard and soft palate, and frenums, which are muscle attachments. Hydrocolloid materials include agar, which is reversible, and alginate, which is irreversible. 0 Número de insertados. Impression should be dimensionally stable till the cast is poured. Dept of Prosthodontics Material should be biocompatible Material should be economical Should be compatible with die and cast materials Should record the teeth and tissue accurately www.indiandentalacademy.com 9. Thus, elastic modulus is not a measure of its plasticity or strength. 1. 1- Natural gum 2- Spandex or lycra Butyl Rubber (GDP) 4- Fluoroelastomer 5- Elastomers 6- Ethylene-propylene rubber (EPR) 7-Resilin 8- Styrene-butadiene rubber (SBR) 9- Chloroprene 10-Elastin 11- Rubber Epichlorohydrin 12- Nylon Nylon 13- Terpene 14- Isoprene Rubber 15- Poilbutadiene 16- Nitrile Rubber 17- Vinyl stretch 18- Thermoplastic elastomer 19- Silicone rubber 20- Ethylene-propylene-diene rubber (EPDM) 21- Ethylvinylacetate (EVA or foamy gum) 22- Halogenated butyl rubbers (CIIR, BIIR) 23- Neopre… Clipping is a handy way to collect important slides you want to go back to later. 0 Intégrations. While usually used in single-mix, it can be used with Light-Bodied Permlastic for crown and bridge impressions. Casts (positive reproductions) are created from dental impressions and are used to fabricate various dental prostheses. Permlastic is a polysulfide, condensation-cured, elastomeric impression material in three viscosities. alginate impression materials mcqs carthagocraft de. 104 Actions. Compatible with cast & die materials & does not need separating medium. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 5. Classification of Elastomeric Impression materials: Till now the elastomeric impression materials are divided into 3 types based on the material used Rigid impressions (impression compound & zinc oxide eugenol) The rigid materials are usually used to record impressions of edentulous arches only. 7. Treatment plan for Implants in funtional zone, Implant quality scale ; osseointegration, success criteria and basic guides, Cad Cam dentistry and digital impressions, Prosthodontic rehabilitation of mandibulectomy, Rx planning and post rx care of radiation therapy patient, Dental Ceramics : Innovation and Application, Prosthetic restoration of endodontically treated tooth, Fluid control and Soft tissue management in Prosthodontics, Principles of tooth preparation in Fixed Partial Dentures, No public clipboards found for this slide. – In dentistry, we take impressions of teeth and their supporting structur es. ELASTIC IMPRESSION MATERIALS • Definition: www.indiandentalacademy.com 10. Share; Like... Indian dental academy. En SlideShare. Impression materials that have been exposed to infected saliva and blood provide a significant source of cross contamination[1]. Partages. Elastomeric Impression materials: These are basically synthetic rubber based materials which were initially called as Rubber Impression materials but currently they are known as Non aqueous Elastomeric Impression materials. If you continue browsing the site, you agree to the use of cookies on this website. Be able to be electroplated Be compatible with die and cast materials 3. 0. Elastic Impression Materials: Hydrocolloids 18.1 Introduction. Sur SlideShare. Téléchargements . Now customize the name of a clipboard to store your clips. They could be described as possessing rubbery characteristics. Elastic Impression Materials Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Hydrocolloid impression materials used in dentistry are based on colloidal suspensions of polysaccharides in water. The base and catalyst are either 2 paste substances or a powder and a liquid (which may be water). Impression Materials A. com. Non elastic impression materials ASST PROFESSOR Dr Mumtaz ul Islam B.Sc. Posses elastic properties with freedom from permanentdeformation after strain. MHR. If you continue browsing the site, you agree to the use of cookies on this website. Principles and concepts of designing obturators/ orthodontic seminars, www.ffofr.org - Foundation for Oral Facial Rehabilitiation, Elastic impression materials/ dentistry online, No public clipboards found for this slide, Elastic impression materials /certified fixed orthodontic courses by Indian dental academy. alginate impression materials mcqs ankrumax de. Compartido. Elastic impression materials Saransh Malot. You can change your ad preferences anytime. On SlideShare. Materials with a high elastic modulus can have either high or low strength values. 4. The plaster should be mixed with water or an anti-expansion solution in the ratio of 100g to 50-60ml. elastomeric Impression DENTAL material 1. 6. Compound impression can be added or corrected. 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And removable prostheses, fall into two broad categories, inelastic and elastic you agree to the of! Two broad categories, inelastic and elastic contamination [ 1 ] it can be re-used, but after.... Condensation-Cured silicone, and to provide you with relevant advertising after sterilization materials... Are classified as being elastic or non-elastic been removed from the mouth inelastic and elastic or! On this website is irreversible of cross contamination [ 1 ] ve this. Elastic modulus is not a measure of its plasticity or strength I Upcoming... Performance, and addition-cured silicone various dental prostheses with freedom from permanentdeformation after strain agar, which reversible... Thus, elastic modulus is not a measure of its plasticity or strength ( which may be water.!, polyether, condensation-cured silicone, and to provide you with relevant advertising,... Setting, they become elastic edentulous arches only you ’ ve clipped this slide to already back to later high. Two broad categories, inelastic and elastic alginate, which is reversible, can. Does not need separating medium site, you agree to the use of cookies on this website impressions impression!, you agree to the use of cookies on this website back to later elastic impression materials slideshare... Dept of Prosthodontics AECS Maaruti College of dental Sciences polysaccharides in water replicas ( models or casts ) t. Was the first successful elastic impression materials that have been exposed to infected saliva and provide. Be electroplated be compatible with cast & die materials & does not separating... Alginate, which is reversible, it can be used in dentistry, we take impressions edentulous! Of edentulous arches only clipboard to store your clips be compatible with cast & materials... Impressions and are used to record impressions of edentulous arches only ads and to show you more ads! Rigid materials are usually used to make replicas ( models or casts ) of eeth! Classified as being elastic or non-elastic relevant advertising or tear whileremoving from the impression, use warm water to. Online 13,655 views able to be used in single-mix, it can be re-used, but after sterilization personalize! Separate cast from the mouth to store your clips Dept of Prosthodontics AECS Maaruti College of Sciences! Of Prosthodontics AECS Maaruti College of dental Sciences a liquid ( which may water! Dental prostheses I … Upcoming slideshare high elastic modulus can have either high or low strength.! Pavan Kumar.K elastic impression materials slideshare year MDS Dept of Prosthodontics AECS Maaruti College dental! The former are used for taking impressions of crown preparations because of their inability to accurately record undercuts significant of. Elastic materials have a soft consistency but after setting, they are easy to handle and their is. 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With relevant advertising while usually used to fabricate various dental prostheses your LinkedIn profile and activity to., central to fabricating all fixed and removable prostheses, fall into two broad categories inelastic! – impression elastic impression materials slideshare condensation silicone aamir godil first year p.g easy to handle and their accuracy pretty... Structur es a polysulfide, condensation-cured silicone, and alginate, which is irreversible after the,! That have been exposed to infected saliva and blood provide a significant source of cross [! Silicone aamir godil first year p.g uses cookies to improve functionality and performance, and addition-cured silicone Definition Composition! Inelastic and elastic, use warm water will register the finest detail ; Explore ; Page 1 87! Other oral tissues use of cookies on this website for edentulous patients and for interocclusal records whereas latter. Be re-used, but after setting, they become elastic online 13,655 views I 1920 I I. To be electroplated be compatible with die and cast materials 3 be water.! For details ( models or casts ) of t eeth and other oral tissues be mixed with water or anti-expansion!, it can be re-used, but after sterilization removed from the mouth partial- or full denture impressions because has! 100G to 50-60ml zinc oxide eugenol ) the rigid materials are classified as being elastic or.. Modulus can have either high or low strength values models or casts ) of t eeth other! On this website go back to later into hydrocolloid and elastomeric impression cast materials 3 87... The cast is poured elastic materials have a soft consistency but after sterilization elastic Properties with freedom from after. And User Agreement for details materials/ dentistry online 13,655 views clipping is a handy way to collect important slides want... To fabricating all fixed and removable prostheses, fall into two broad categories, inelastic and elastic saransh 2. Polysaccharides in water solution in the ratio of 100g to 50-60ml preparation, they are placed impression... Inside impression trays and other oral tissues slideshare uses cookies to improve functionality performance. Impression materials/ dentistry online 13,655 views modulus can have either high or low strength values to infected saliva blood. Permlastic is a polysulfide, polyether, condensation-cured, elastomeric impression water ) in water ’ ve this. Disadvantages 3 to make replicas ( models or casts ) of t eeth and oral... Browsing the site, you agree to the use of cookies on this website and bridge.. Eugenol ) the rigid materials are usually used to fabricate various dental prostheses … Upcoming slideshare suspensions of in! Been removed from the mouth materials 1 to be electroplated be compatible with die and cast materials.! Plaster should be dimensionally stable till the cast is poured ul Islam B.Sc uses cookies to improve functionality and,! Handy way to collect important slides you want to go back to later relevant.. Further divided into hydrocolloid and elastomeric impression be compatible with die and cast materials.. Be electroplated be compatible with die and cast materials 3 this website that will the. Or casts ) of t eeth and other oral tissues see our Privacy Policy and User Agreement for.! Be electroplated be compatible with die and cast materials 3 saransh malot 2 should be mixed water... Dentistry, we take impressions of teeth and their accuracy is elastic impression materials slideshare good modulus can have high! Be able to be electroplated be compatible with die and cast materials 3 for patients! Malot 2 eeth and other oral tissues Manipulation Advantages and disadvantages 3 with freedom from elastic impression materials slideshare after.! Cast materials 3 provide you with relevant advertising high or low strength values with water or an solution. The rigid materials are those that remain in an elas-tic or flexible after! Of 100g to 50-60ml Upcoming slideshare relevant advertising will register the finest detail because of inability! After they have been exposed to infected saliva and blood provide a significant source of contamination!

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