elastic impression materials slideshare

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

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