Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Hence impression materials are classified as being elastic or non-elastic. 0 From Embeds. ELASTIC IMPRESSION MATERIALS • Definition: www.indiandentalacademy.com 10. As the material is reversible, it can be re-used, but after sterilization. If you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy. Impression should be dimensionally stable till the cast is poured. Compound impression can be added or corrected. alginate impression materials mcqs carthagocraft de. 2. 7. … Home; Explore ; Page 1 of 75,761 results for elastic. Technique, accuracy, taste, ease of manipulation, cost, dimensional stability a… Elastic impressions (hydrocolloids) 1. 0 ... stability. Agar Hydrocolloid was the first successful elastic impression material to be used in dentistry. 4. According to philips scienceof dental materials impression materials … Elastic impression materials - abhishek kavlekar Abhishek Kavlekar. 5. Have adequate strength so that it will not break or tear whileremoving from the mouth. If you continue browsing the site, you agree to the use of cookies on this website. 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. Descargas. hydrocolloids impression materials agar and alginate. Posses elastic properties with freedom from permanentdeformation after strain. 0. See our Privacy Policy and User Agreement for details. Permlastic is a polysulfide, condensation-cured, elastomeric impression material in three viscosities. Vinay Pavan Kumar .K M.Phil. Impression Waxes Impression Plaster . elastic impression materials introduction to elastomers. 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 … Now customize the name of a clipboard to store your clips. Partages. 0 Número de insertados. Silicone based impression materials Aamir Godil. See our Privacy Policy and User Agreement for details. The base and catalyst are either 2 paste substances or a powder and a liquid (which may be water). Non elastic impression materials 1. 7 ↓ ↓ ↓ ↓ I 1920 I 1930 I 1 940 I … 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. 6. 0 De insertados. 1. 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. alginate impression materials mcqs download. Compatible with cast & die materials & does not need separating medium. Dept of Prosthodontics mcqs in dental materials 1st edition elsevier. 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. com. the material is non-elastic, so cannot be used in undercut areas. Compartido. Elastic Impression Materials Hydrocolloids Vinay Pavan Kumar .K 1st year MDS Dept of Prosthodontics AECS Maaruti College of Dental Sciences 2. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Be able to be electroplated Be compatible with die and cast materials 3. See our User Agreement and Privacy Policy. AECS Maaruti College of Dental Sciences. Impression Materials A. On SlideShare. MHR. prosthodontics impressions non elastic impression materials. Hydrocolloid materials include agar, which is reversible, and alginate, which is irreversible. Zinc Oxide Eugenol 4. 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. 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… Sur SlideShare. Now customize the name of a clipboard to store your clips. Different types of impression materials are available. Loading in … 5 × 1 of 87 ; Elastic impression materials/ dentistry online 13,655 views. Impression compound 2. Hydrocolloid impression materials. You can change your ad preferences anytime. The former are used for edentulous patients and for interocclusal records whereas the latter are for dentate patients. 91 Comentarios. 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. 0 Intégrations. General Comments – Impression materials are used to make replicas (models or casts) of t eeth and other oral tissues. 9 Acciones. Clipping is a handy way to collect important slides you want to go back to later. These supporting structures include gingiva, a lveolar bone or residual ridge, hard and soft palate, and frenums, which are muscle attachments. Hydrocolloid impression materials used in dentistry are based on colloidal suspensions of polysaccharides in water. Casts (positive reproductions) are created from dental impressions and are used to fabricate various dental prostheses. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 1st year MDS Upcoming SlideShare. Elastomeric materials include polysulfide, polyether, condensation-cured silicone, and addition-cured silicone. SlideShare Explore Search You. 2/23/2016 17. Elastomeric Impression Materials 2. 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. alginate impression materials mcqs ankrumax de. Looks like you’ve clipped this slide to already. download file buhn01 hol es. Looks like you’ve clipped this slide to already. Elastic impression materials Saransh Malot. 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. BDS. They are easy to handle and their accuracy is pretty good. Hydrocolloids Definition Classification Composition Properties Manipulation Advantages and disadvantages 3. Upload; Login; Signup; Submit Search. Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental prof… Elastic impression materials. They could be described as possessing rubbery characteristics. 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. Impression materials, central to fabricating all fixed and removable prostheses, fall into two broad categories, inelastic and elastic. – In dentistry, we take impressions of teeth and their supporting structur es. 3 579 ... Elastic impression materials/ dentistry online Indian dental academy. Follow Published on Aug 7, 2014. Elastic Impression Materials Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Regular Permlastic is recommended for partial- or full denture impressions because it has a high degree of flow that will register the finest detail. Téléchargements . Impression Plaster 3. 104 Actions. Elastic materials have a soft consistency but after setting, they become elastic. There are several classification. 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. Elastic impression materials are those that remain in an elas-tic or flexible state after they have been removed from the mouth. Non-elastic materials are generally not used for taking impressions of crown preparations because of their inability to accurately record undercuts. Clipping is a handy way to collect important slides you want to go back to later. 0. 1. Hydrocolloids The mix should be a smooth paste, free of air bubbles, which may appear on the surface of the impression leading to inaccuracy. If you continue browsing the site, you agree to the use of cookies on this website. Rigid impressions (impression compound & zinc oxide eugenol) The rigid materials are usually used to record impressions of edentulous arches only. To separate cast from the impression, use warm water. While usually used in single-mix, it can be used with Light-Bodied Permlastic for crown and bridge impressions. You can change your ad preferences anytime. The materials. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Impression materials that have been exposed to infected saliva and blood provide a significant source of cross contamination[1]. mcqs in dental materials jaypee brothers. The plaster should be mixed with water or an anti-expansion solution in the ratio of 100g to 50-60ml. Elastic impression materials 1. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 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. department of prosthodontics m.a.r.d.c. Non-Elastic Impression Materials. Non elastic impression materials ASST PROFESSOR Dr Mumtaz ul Islam B.Sc. 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 … Thus, elastic modulus is not a measure of its plasticity or strength. Elastic Impression Materials: Hydrocolloids 18.1 Introduction. Materials with a high elastic modulus can have either high or low strength values. Share; Like... Indian dental academy. 0 Issues des intégrations. silicone based impression materials condensation silicone aamir godil first year p.g. If you continue browsing the site, you agree to the use of cookies on this website. Impression materials A brief introduction Dr saransh malot 2. Classification of Elastomeric Impression materials: Till now the elastomeric impression materials are divided into 3 types based on the material used After the preparation, they are placed inside impression trays. 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Water ) clipboard to store your clips compound & zinc oxide eugenol ) rigid! Impression materials/ dentistry online Indian dental academy successful elastic impression material in three viscosities silicone impression. Or non-elastic to the use of cookies on this website the plaster should be dimensionally stable till the cast poured! Impression materials condensation silicone aamir godil first year p.g rigid materials are those that remain in elas-tic.