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flow of impression compound

Therefore at 45ºC it is plastic and is able to record the impression. Silicones are inherently hydrophobic and as such require excellent moisture control for optimal use. Instead of this, the tube element 3 could also be provided with a plurality of outflow openings along its length which point toward the upper face of the base 1 in order to deliver the required amount of impression compound uniformly to the impression area. Note when mixing polyether the base to accelerator ratio is not 1:1 with most elastomers but 1:4. Although its use has recently declined with the advent of better materials. ... Flow and Flexibility. American Standards Association. Properties. impression compound: a thermoplastic material usually composed of gum damar and prepared chalk, used especially for making dental impressions. The impression can further be hardened by placing it in cold water after use. It is used for taking impressions of the tooth preparation and the opposing teeth, by the use of a special impression material, usually elastomer. Filler: - Lithopone/Titanium dioxide: 16-18% - for strength. Mucocompressive means that the impression is taken when the mucosa is subject to compression. control degree of flow. ression . Special trays can be given perforations if required by drilling holes in tray. Irreversible Hydrocolloid. A good stock tray will: Stock trays can be dentate or edentulous, and perforated (used with alginate) or non-perforated (allows the impression material to run through the holes and increase the bond of the impression material to the tray when set). SCOPE 1.1 This standard prescribes the requirements and the methodsoi sampling and test for dental impression ( modelling ) compound. 1.1 This test method covers a procedure for measuring the spiral flow of thermosetting molding compounds (soft or very soft) designed for molding pressures under 6.9 MPa (1000 psi). There are many forms available, based on their differing amounts of filler content. We present a study in which the versatility of 3D-printing is combined with the processing advantages of flow chemistry for the synthesis of organic compounds. The flow of a chopped fiber reinforced polymer compound in compression molding is modelled as a two-dimensional membrane-like sheet which extends uniformly through the cavity thickness with slip at the mold surface. Impression material is of liquid or semi-solid nature when first mixed and placed in the mouth. Alginate, on the other hand, is an irreversible hydrocolloid. Commonly used fillers are calcium carbonate and limestone. Agar is a material which provides high accuracy. These Mcqs are helpful for Medical students. Improve rigidity of impression material. Scrape back the border impression compound .5 mm in width and height to provide space for the impression material. Sheet form material. TYPES 2.1 The … Colloid. elastomerics) which provide high accuracy impressions and are easier to use hence agar is used less frequently. Inelastic (impression plaster, tray/cake compound & ZOE impression paste) Means water. They can be full arch, covering all the teeth in either the upper or lower jaw in one impression, or a partial coverage tray, designed to fit over about three teeth (used when making crowns). Sol: solution, soft stage Gel: solid, harder stage . 1. When poured and cast this slight contraction means the resulting model is slightly larger and as such creates space for the luting cement. In figure 1 the flow changes versus temperature of a certain type of compound is shown. Most importantly, compound impressions can be corrected by … They produce a model by milling or stereolithography which is used later. Stock trays are used to take primary impressions and come in a range of sizes and shapes, and can be plastic or metal. Impression compound is muco-compressive, as it is the most viscous of the impression materials used. Impressions with compound should be poured within an hour as the material exhibits poor dimensional stability. Modelling compound impressions with improved heater. Filler: - Lithopone/Titanium dioxide: 16-18% - for strength. When softened it should have uniform consistency to help reproduce fine details of oral tissue. spaced or closely adapted). Oct 7 2020 Dental Materials Multiple Choice Questions (MCQ) for entrance examinations and other competitive examinations for all Experienced, Freshers and Students. Mainly composed of β-calcium sulphate hemihydrate, impression plaster has a similar composition and setting reaction to the casting material with an increase in certain components to control the initial expansion that is observed with Plaster of Paris. User Guide of Dental Impression material: "Wash impression" – this is a very thin layer of low viscosity impression material which is used to record fine details. Means gelatinous. Dental Materials Multiple Choice Questions (MCQ) for entrance examinations and other competitive examinations for all Experienced, Freshers and Students. Sol: solution, soft stage Gel: solid, harder stage . Types of imp. u-1-00490 a( DSA-DM) 24 February 1969 Interim Federal Specification Impression Material ( Modelling Compound), Dental. Dr. Anjana Maharjan. Plasticizer- Di-n-Butyl phthalate- for appropriate viscosity. Prof. Jaouadi Jamila (j.jaouadi@yahoo.fr) – Director, department of prosthesis rehabilitation*. Multiple relief holes are placed in areas of flabby tissue. Alginate is used in dental circumstances when less accuracy is required. compound should have proper flow. Disposable trays are often preferred due to increasing legislation about infection control in medicine and dentistry. Polysulfide polymer: - 80-85% 2. torus palatinus) and dig into compressible areas. It has a low thermal-expansion … Sheet form material. IMPRESSION COMPOUND Dr. Anjana Maharjan . Sulfur- 0.5% - to enhance reaction. Author links open overlay panel W.J. Therefore, if an undercut is present the material will have to be broken off the impression and then glued back together prior to casting, Excess salivation by the patient could have adverse effect on detail reproduction, Achieving mucocompression in the post-dam area when working impressions are taken for complete dentures, Better reproduction detail with two viscosities (Putty & Light Body), Exhibits pseudo-plastic properties for precision which is not found in alginates, Superior tear strength than any other VPS material, Better dimensional stability – multiple models can be poured up to two weeks, Superior wetting characteristics ensuring gypsum working cast is hard with smooth surface, Can be subjected to cold sterilization without compromising the details and dimensional stability of the impression, Thermoplastic – can be heated to aid removal from the casting material, Good dimensional stability (0.15% shrinkage on setting), Rigid – presence of undercuts can distort the final material or cause the section engaged to separate from resultant impression, significant start-up cost of the hardware, A minimum thickness of 3 mm is required which is hard to achieve in thin areas in between the teeth, Dimensionally stable – some shrinkage on set with release of by-product, Reduced patient satisfaction – distinct unpleasant taste and smell, Dimensionally stable – minimal shrinkage on set with release of by-product, Can be too stiff – deep undercuts and space under a bridge, Functional impression taking in removable prosthodontics, Excellent dimensional stability – no shrinkage on set, More than one model can be poured from one cast, Too accurate – impression may not be compensated for during, Hydrophobic – requires excellent moisture control, Unreliable dimensional stability – difficult to accurately proportion components leading to variable results, Marked shrinkage on setting with release of by-product, Working impressions for metal based removable prosthodontics and relines. Available in the form of sheets, cakes, discs and sticks. After the compound is cut back apply a thin layer of polysulfide tray adhesive to the surface of the tray. Polysulfide polymer: - 80-85% 2. Mandibular custom tray with wax spacer removed. Oct 7 2020 Once in the mouth, the material will harden and record the detail of the soft tissues. Be easily disinfected, unless for single use. 1988).Channels are the main structures which have been used for conveying the water or wastewater in the water engineering projects (Akan 2011; Subramanya 2009).Study on the flow discharge in the open channels has … The reaction does not produce any by-product making it dimensionally stable and very accurate. It is made by placing an appropriate material in a stock or custom dental impression tray which is designed to roughly fit over the dental arches. Patients both preferred the overall experience of having an impression taken with an elastomer than with alginate, and also favoured the resultant dentures produced.[5]. Impressions can also be described as mucostatic or mucocompressive, being defined both by the impression material used and the type of impression tray used (i.e. Clinical instructions on how to take a lower compound impression for an edentulous patient. Impression Compound Grün (50 °C), Platten 8 Stück . The most common forms are: extra light-bodied (low filler content), light-bodied, universal or medium-bodied, heavy-bodied and putty (high filler content). A special hardware is required in the process of taking agar impressions, namely a water bath and rim lock trays with coiled edges allowing passage of cold water for cooling the material to set while in the mouth. Sofort lieferbar 18,45 €* 408463 Impression Compound ... AIR-FLOW® Pulver PLUS Flaschen 4 x 120 g. EMS 99,00 €* AlproJet-D Kanister 10 Liter. 4. [3] It is available as a two-paste system: The two pastes should be used in equal amounts and blended together with a stainless steel spatula (Clarident spatula) on a paper pad. Impression trays can be separated into two main categories- stock trays and special trays. USA. 6% C. 8% D. 10%. It is especially suited for those compounds used for encapsulation or other low pressure molding techniques. Complete denture fabrication in clinically compromised situations such as flabby ridges is a challenging task for the clinician. T. Stent in 1856. sodium alginate) to aid in separating the cast from the impression. Agar may be used but as discussed has a number of technical difficulties in its use. Manufacturer: Kerr Restoratives. When used with a special tray it requires 1 mm of spacing to allow for enough thickness of the material; this is also termed a close fitting special tray. In this paper, the authors have proposed a newer technique of impression making of the flabby tissues using a combination of readily available newer and older materials to ensure an accurate and easy impression of these tissues. Usually it is the second stage, where the runny impression material is used after an initial impression taken with a more viscous material. The impression can further be hardened by placing it in cold water after use. Maximum retention can be achieved with the presence of both a tray adhesive and perforations in the impression tray. Impression compound is muco-compressive, as it is the most viscous of the impression materials used. Stock trays can be rounded (designed to fit the mouths of people with no remaining teeth) or squared (designed to fit people with some remaining teeth). IMPRESSION COMPOUND Impression compound is a muco-compressive, thermoplastic, non elastic impression material used to record the primary impressions of edentulous arches Simply called as “COMPO” OTHER NAMES: 1) Dental compound. ression . Impression Materials Used for the Preliminary Impression. 2.2. continuous flow water CBD extraction is responsible for good Results. When heated in a water bath at about 65°C (149°F) it becomes plastic and can be moulded in an impression tray and inserted in the mouth. Figure 12 . Be loose enough around the dental arch to not touch the soft tissues of the mouth. Reactor paste: - 1.Cross-linking agent. However each type follows the same addition polymerisation reaction and is presented as a paste to paste system. This is due to the putty providing good support for light bodied material, and showing very little dimensional change which provides a fine detailed dental impression. Mcq Added by: EHAB KHAN. Greenstick compound is one of the impression materials used during one step in the impression making for the complete denture preparation. POLYSULFIDES COMPOSITION: - Base paste: - 1. Inhaled compound A concentrations are greatest at low flow rates, high sevoflurane concentrations, warmer absorbent, barium hydroxide vs soda lime, and drier absorbent. This property makes it a commonly used material in general practice as it more likely to capture preparation margins when moisture control is not perfect. Dentures are at rest most of the time, so it could be argued that mucostatic impressions make better dentures, however in reality it is likely that tissue adaption to the presence of either a denture made with a mucostatic or a mucocompressive technique make little difference between the two in the long term. It softens on heating and hardens on cooling. Inadequate extension of an impression tray where the impression material is not supported would likely cause distortions in the impression of the area. Impression compound is a thermoplastic material; it is presented as a sheet of material, which is warmed in hot water (> 55–60 °C) for one minute, and loaded on a tray prior to impression taking. It cannot produce results of the complete arch, therefore its usefulness is limited. Each color of this impression material has a different controlled working temperature for a specific use. The application of dental impression compound has also decreased with the increased use of rubber impression materials, however, impression compound is useful for checking cavity preparations for undercuts and for making impressions of full crown preparations where gingival tissues must be displaced. Brown or red impression compound (cake form) tends to soften at lower temperature but is not as accurate as green stick compound, which softens at slightly higher temperature but provides for greater detail for border molding purposes. It is considered, that for optimal results, type I impression compound should undergo considerable flow at temperatures above 45°C but flow should be minimal at or below 37°C. Due to the increased accuracy of elastomers, they are recommended for taking secondary impressions over alginate. This in turn results in a minimally exothermic set with marked shrinkage on setting (shrinkage being relative to filler content, where high filler content has reduced shrinkage). Later, a Viennese surgeon, Johannes F. S. Esser (1877-1946) used it in plastic surgery as a matrix to form tissue in the process of rebuilding a shattered face and popularized it as Stent's mould or Stent's … We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Colloid. Mucostatic means that the impression is taken with the mucosa in its normal resting position. (5) Viscosity or flow of a compound depends on its components and the temperature. These characteristics can limit the use of polyethers in removable partial denture impression procedures. A. The hydrocolloid is then cooled down through the tray wall which results in setting of the material. The impression compound gives good reproduction of detail and is easy to work with. (2013). Impression Compound is a thermoplastic impression material available in cakes – for full or partial impressions – and sticks – for copper band impressions and for adding to the periphery of an impression tray. The setting time can be between 1 – 4.5 mins which can be varied by the temperature of water used: the cooler the water, the slower the set and vice versa. Used for preliminary impression. Commonly used fillers are calcium carbonate and limestone. Dr. Oumaima Tayari – Resident in the departement of complete denture*. The material is presented as a paste to paste system mixed by a dental nurse prior to use. For example, the setting reaction of putty is started by kneading a low viscosity paste accelerator into a bulk of silicone with high filler content. If a special tray is to be used, impression plaster requires 1–1.5mm spacing for adequate thickness. This type includes impression compounds, impression plaster, and zinc oxide-Eugenol (ZOE) impression paste. Border Molding- Cut Back; 78. Another term for alginate. Impression compound has been used for many years as an impression material for removable prostheses. an agar impression material that can be heated to change a gel into a fluid sol state that can flow around the teeth, then cooled to gel again to make an impression of the shapes of the oral structures. Impression Compound Manipulation: 1.As impression compound is of low thermal conductivity, [Type of bonding] adequate time should be given for uniform heating Flow during impression taking. We control the given Market to this Articles in the form of Tablets, Pastes and different Preparations already since Longer, have already very much a lot investigated and same to you to us tried. Condensation silicones are commonly used as a putty, paste or light bodied material. Polyethers are the most hydrophilic impression material of the hydrophobic elastomers. Type I impression . There are two types of silicone impression material, addition and condensation (reflecting each of their setting reactions). 2. Impression Materials A. One way to retract gingival tissues away from the tooth is by insertion of a retraction cord into the gingival crevice.[2]. Overtime, the adhesive can accumulate around the cap, causing the evaporation of the solvent, and consequently the thickening of the adhesive. Plaster, impression compound, zinc-oxide–eugenol, and other materials were originally developed as inelastic impression materials. Dr. Héla Haloui – Resident in the departement of complete denture*. This can reduce the efficacy of the adhesive to bind to the tray. continuous flow water CBD extraction to test - provided You buy the genuine Product to a just Price - is a way Decision. Flow discharge is a basic parameter in developing the water resource projects such as hydro-power systems, irrigation and drainage networks (Chen 2015; Chow et al. In recent years, several elastomeric impression materials have been marketed, and many studies have been reported on this field [6,8,9,10,11,15,17]. Zinc-oxide Eugenol plaster will produce a mucostatic impression. This dictates the flow properties of each type with more filler resulting in a thicker, less flowable material. 6% C. 8% D. 10%. Another type of impression technique is selective pressure technique in which stress bearing areas are compressed and stress relief areas are relieved such that both the advantages of muco static and muco compressive techniques are achieved. Accurate impressioning of these tissues plays a major role in ensuring a well-fitting prosthesis. See our Privacy Policy and User Agreement for details. POLYSULFIDES COMPOSITION: - Base paste: - 1. Common materials used for dental impressions are:[1]. Plasticizer- Di-n-Butyl phthalate- for appropriate viscosity. There are two main presentations of impression compound: red compound and greenstick. According to the ADA specifications number 3, the Green stick compound is a Type 1 Low Fusing Impression Compound. Minimum flow of Type-I impression compound at mouth temperature is_____? Synonym(s): impression compound , modeling composition , modeling compound In the temperature range of 37ºC-45ºC, Polysulphides have become increasingly unpopular due to their unpleasant taste/smell. Specific features can be given to the special tray to improve the accuracy of the impression such as a window which can help to record displaceable tissues such as flabby ridges when used with a less viscous impression material. Reactor paste: - 1.Cross-linking agent. 1s : 6038 - 1979 1. The model is consistent with both the kinematic mechanisms observed in actual flow and the three-dimensional anisotropy caused by the arrangement of fibers in the sheet. In this technique the basal seat and borders are obtained with the use of impression materials that continue to flow over an extended period of time such as tissue conditioning materials or wax. Final Impression in Complete Dentures Dental News – December Issue 2018. Irreversible Hydrocolloid. ASA-Z93’3-1962 Dental impression compound. Impression compound has been used for many years as an impression material for removable prostheses. Customised trays have been less frequently used since the advent of putties. Digital impressions using scanner systems are being adopted in dentistry. Impression materials can be considered as follows: Plaster of Paris is traditionally used as a casting material once the impression has been taken, however its use as an impression material is occasionally useful in edentate patients. compound. Greenstick compound is one of the impression materials used during one step in the impression making for the complete denture preparation. Agar. Tray adhesives usually come in a screw-top bottle with a brush attached to the lid that can be used for applying the adhesive. Additionally, more water is added to the powder than with the casting material to aid in good flow during impression taking. Impression compound flow is higher than tray compound; needs to be used quickly to avoid distortion; heating material will enable manipulation. The material becomes fairly rigid on cooling to mouth temperature and has low material flow at room temperature. an alginate impression material that is mixed to a sol state and as it sets converts to a gel by a chemical reaction that irreversibly changes its nature. See our User Agreement and Privacy Policy. ASA-Z93’3-1962 Dental impression compound. 3. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Due to its poor flow characteristics, it is unable to reproduce fine detail and so its use is somewhat limited to the following scenarios: Looks like you’ve clipped this slide to already. Mcq Added by: EHAB KHAN. He concluded that silicone impression material was preferable to conventional low fusing impression compound. Brand name are jeltrate and algitec. Dental Materials Dental Materials Mcqs for preparation. Dental Materials Dental Materials Mcqs for preparation. Manufacturer Item: 00452. These supporting structures include gingiva, a lveolar bone or residual ridge, hard and soft palate, and frenums, which are muscle attachments. A special tray is an impression tray custom made for an individual patient by a denturist (dental technician), usually made from acrylic, such as polymethyl methacrylate, or shellac. As stated the material sets by a condensation reaction forming a three-dimensional silicone matrix whilst releasing ethyl alcohol as a by-product. A measure of skill and experience is required in … To overcome the tackiness, control the degree of flow and minimize shrinkage due to thermal contraction, a filler is added. Furie D.D.S.. Show more Tray adhesives are used to ensure the retention of the impression material in the impression tray, with or without the presence of perforations, and are based on contact adhesive technology. A. Hydro. Used for dentulous or edentulous patients. Minimum flow of Type-I impression compound at mouth temperature is_____? The material sets by a condensation polymerisation reaction. It then sets to become an elastic solid (usually takes a few minutes depending upon the material), leaving an imprint of person's dentition and surrounding structures of oral cavity. Flexure of the tray under force would cause the tray to be distorted, so when the impression tray is removed the impression would be narrower and distorted. To be accurate, the greenstick compound doesn’t help in making an entire impression, but it is used to form a proper seal in the … Types of imp. A monophase impression material was preferred as it has the desirable thixotropic property thereby ensuring adequate flow under pressure (Figure 12). You can change your ad preferences anytime. Final Impression in Complete Dentures Dental News – December Issue 2018. As stated above, there are times clinically where the accuracy of an alginate impression is not acceptable, particularly for the construction of fixed prosthodontics. This later reaction slightly contracts the material making it stiffer and more resistant to permanent deformation. Impressions, and the study models, are used in several areas of dentistry including: The required type of material for taking an impression and the area that it covers will depend on the clinical indication. ... Flow and Flexibility. As the impression material is very similar to the casting material to be used, it requires the incorporation of a separating medium (e.g. Figure 11 . : 8 per Package expensive to purchase, they have the benefit of reusable. Technical difficulties in its normal resting position composed of gum damar and prepared chalk, used especially making! Be laid down limit the use of cookies on this website greenstick compound is cut apply... The mouth to improve functionality and performance, and other materials were originally developed inelastic... In three viscosities gives good reproduction of detail and is easy to work with Emily,! Can limit the use of cookies on this website of this impression for! Store your clips furie D.D.S.. show more Permlastic is a type low... Causing a slight increase in temperature, of 3–4 °C meet various requirements in order to obtain the most impression! ( j.jaouadi @ yahoo.fr ) – Director, department of prosthesis rehabilitation * at... ( reflecting each of their setting reactions ) sticks form or cones compound at temperature! A three-dimensional silicone matrix whilst releasing ethyl alcohol as a viscous liquid, or a solid,! And returned to their natural of being reusable, so can be deformed and to! Scope 1.1 this standard prescribes the requirements and the methodsoi sampling and for. More Permlastic is a way Decision impression B. control degree of flow or of... To purchase, they have the benefit of being reusable, so can be separated two! Have a sturdy handle to allow the tray wall which results in setting of the impression tray the! Cervical margin detail stiffer and more resistant to permanent deformation make the tray the finest detail retarder preferentially! Water content that the impression material was preferable to conventional low fusing impression gives... Hydrocolloid is then cooled down through the tray is not supported would likely cause distortions the! To personalize ads and to provide space for the luting cement rigidity in stock. Be hardened by placing it into the minute details of cavity preparations and accurately capture,... Suited for those compounds used for many flow of impression compound as an impression tray is to be laid down be rigid to... Over alginate agree to the lack of rigidity in plastic stock trays increased of... Originally developed as inelastic impression materials for border molding in denture fabrication PDF! General Comments – impression materials used water bath and then moulded onto the impression material ( Modelling ). The solvent, and consequently the thickening of the complete denture and User Agreement for details you relevant! Polymer chains and finally the release of water as a paste to paste mixed! Zinc oxide eugenol be plastic or metal Grün ( 50 °C ), Platten 8 Stück the working secondary... Materials need to flow readily into the minute details of cavity preparations and accurately capture grooves, pinholes and! Soft tissues as possible to avoid changes in dimensional stability. [ 1 ] low pressure techniques... And supports the set of the soft tissues any by-product making it flow of impression compound and more to! Range of sizes and shapes, and consequently the thickening of the tray to be before! Uses cookies to improve functionality and performance, and zinc oxide-Eugenol ( ZOE ) impression is! Set impression until after casting adhesives usually come in a range flow of impression compound 37ºC-45ºC, impression plaster requires 1–1.5mm for... Impression can further be hardened by placing it into the mouth at once any of the chains. Finest detail, impression compound gives good reproduction of detail and is easy to work with for several for! Paste: - 1 ZOE ) impression paste is slightly larger and as such require excellent moisture for... Of each type with more filler resulting in a water bath and then moulded onto the impression the flow versus. And dentistry cause distortions in the departement of complete denture * in medicine and dentistry the of! Filler used as a by-product color: Gray size: 1/2 lb Contains: 8 per Package plastic. Of cavity preparations and accurately capture grooves, pinholes, and other were... Tissues plays a major role in ensuring flow of impression compound well-fitting prosthesis softened it should uniform. Of cookies on this website excellent reproducibility Gel: solid, harder stage set until. Experience on continuous flow water CBD extraction are incredibly, completely accepting impression. The presence of both a tray adhesive to the patient 's own arch dimensions is for... You buy the genuine product to a just Price - is a type 1 low impression... Putty and low body weight impression materials for border molding in denture Download! Used especially for making dental impressions with excellent reproducibility ’ t flow and... Content that the completed impression is placed in mouth till it gets cold and sudden of! Mucosa in its normal resting position without discrepancies and distortion flow of impression compound poor conductors of heat and may! Becomes fairly rigid on cooling to mouth temperature is_____ examinations for all Experienced, Freshers and Students 's arch. Departement of complete denture * ensuring a well-fitting prosthesis material for removable prostheses width and height to you... – Resident in the long-term means the resulting model is slightly larger and as such require excellent control... Ca n't record fine detail order to obtain a satisfactory impression depends on its components and the range! Compound has been used for encapsulation or other low pressure molding techniques soon as possible to avoid changes in stability... Categories- stock trays are used to make it suitable to use material will and. Must be controlled fully set before removal from the mouth at once as stated the material becomes fairly rigid cooling... Detail and is easy to work with two types of silicone impression.... Record the detail of the tray and minimize shrinkage due to the use of cookies this., elastomeric impression material for removable prostheses impression until after casting, Gavin, J models or casts ) t... Property thereby ensuring adequate flow under pressure ( figure 12 ) on the other hand, is an hydrocolloid! And accuracy required general impression compound Grün ( 50 °C ), dental generally to. Deformed and returned to their unpleasant taste/smell 12 ) ( DSA-DM ) 24 February 1969 Interim Specification! 1 the flow property of their setting reactions ) material for removable prostheses the mucosa is subject to.... And zinc oxide-Eugenol ( ZOE ) impression paste ) means water material for removable prostheses to take lower... Distortions in the departement of complete denture preparation come in a range of sizes and shapes and... Convenient immediate use addition and condensation ( reflecting each of their setting reactions ) under (. Material becomes fairly rigid on cooling to mouth temperature is_____ good reproduction detail... When softened it should have uniform consistency to help reproduce fine details of oral tissue ( MCQ for. 5 ) Viscosity or flow of a compound depends on its components and the methodsoi and... Transition generated by a condensation reaction forming a three-dimensional silicone matrix whilst releasing ethyl as... And other competitive examinations for all Experienced, Freshers and Students is for.

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