Sequential Easy First Hard First. 15 Introduction to four-handed dentistry. Tensile Strength: Water Sorption. Dental materials are used in different treatments, such as plaque removal, caries treatment, aesthetic interventions, teeth reconstruction, and implants. What is commonly used for tray whitening? Dental/ Surgical Procedures: appropriate gloves. of MCQs 45 One mark for each MCQ Note: THE FINAL PAPER WILL BE SIMILAR TO THE MODEL PAPER BUT WILL FOLLOW “TOS” EXACTLY. b. How gypsum expands externally on setting. e. … A Recall exam is usually a quick exam to assess any previous areas of concern and give a visual inspection to evaluate any changes (good or bad) in the teeth, gums and mouth. Today in this post we will share the list of Books that you will need for ADC Exams. 18. (0/0) 0. tension. Quickly memorize the terms, phrases and much more. Gravity. She loves disney moves but … Healthy Eating. The force is more evenly distributed across the area with greater number of irregularities for "locking". Occasionally, a new amalgam filling will hurt when it is touched with a metal fork. Gypsum is __-__ times harder after 24 hours. Jurisprudence & Scope of Practice Acts for the dental hygienist. Biocompatibility of Dental Materials 73. How long do you wait before completing a restoration involving the bleached teeth or teeth next to bleached teeth? Dental Materials! When pouring gypsum: Study Model Fabrication. Dental materials exam 2 at wvu SOD +-Related Flashcards. Start. Questions. Dental Amalgam 248. Dental Materials is a course that provides an introduction to dental materials in the oral environment. Shade Guidelines: The human eye senses light through cone cells. High-strength stone is often referred to as Type IV stone, die stone, densite, and modified alpha-hemihydrate. Dental Cements Mcqs: 2. What are the different kinds of athletic mouthguards? Dental materials used in the dental profession are indeed many, varied, and complex. This material is used because high strength and surface hardness are required during the fabrication process. 10. X Rays are not always taken; if there are any areas of concern it may be prudent to take an X Ray. Front: Back: Which teeth do you place sealants on . 01. If you do not have an MSDS for a particular product, call the manufacturer or check on-line. soft pliable wax with smooth shiny appearance . A licensed dental hygienist practicing under the direct supervision of a licensed dentist may: Chemical Name of Gypsum Product:Steam Pressure, Products: Increased setting time ( a slower setting product). The cement holds the crown onto the prepared tooth and fills the microscopic gaps between the tooth and crown. Gain FDA approval after being shown to be equivalent to products currently in use (amalgam, composites) Class III. When a material has reached its limit of elasticity, below proportional limit no permanent deformation occurs & the structure returns to original shape. 12. Does micro or macro filled composite have more filler? Most regulated, require premarket approval & clinical data (bone graft materials) Tensile Strength: Density . How does hydrogen peroxide work in whitening? Play as. (hemi-meaning half / part water), Spatulation Time: when mixing gypsum products. Which is a stronger oxidizing agent? (ie. Match. Gypsum w/p ratios & Gypsum products w/p ratios: The proportion of water to powder used to make a workable mix of a particular gypsum product is called the water/powder ratio. 9. PLAY. Gypsum Products Mcqs: 3. Start studying Dental Materials Exam #2. Susceptibility to being dissolved, amount of material that dissolves in a liquid. to wear away, especially by a chemical reaction, the material corrodes inside & out and the surface gets pitted & rough (dental amalagams), expansion & contraction of matter when heated. The amount of dimensional change a material can withstand without breaking when its under tension (GOLD! The exam includes evaluating your risk of developing other oral problems and checking your face, neck and mouth for abnormalities. Hydrogen peroxide or carbamide peroxide? What is more stable? What thermoplastic material do we use to make our fluoride trays? Modified Regulations III : For Candidates admitted from 2003-04 to 2007-08: PAPER: SUBJECT. Physical Properties Mcqs: 9. Basic Guide to Dental Materials PDF Free Download Section. To decrease the working time of a gypsum product without changing any physical properties, it is best to: The main difference between model plaster and dental stone is: overly-fluoridated water...must be swallowed BEFORE ERUPTION OF teeth (developing). To prevent caries by providing a protective coat over the occlusal surfaces of posterior teeth . 11. Purpose of sealants . Healthy Diet. Recommended : 2 revolutions per second for 1 minute. The Munsell Color System: Reflection of Light. Describes how light or dark the color is: teeth have value ranges in the light scale. 111 Cards – 2 Decks – 5 Learners Sample Decks: Exam 1, Exam 2 Show Class Dental Materials! Adhesion is the joining together of two objects (chemically), using a glue or cement, chemical bonding between SIMILAR/SAME materials, •To bond is to connect or fasten; to bind. The MSDS lists the hazards of the material, precautions that should be employed when the material is used, and procedures to be followed during emergencies. Dental Materials Final Exam. Created by. YEAR. Review MSDS to have broadened knowledge of the products that you are manipulating. a. Tooth enamel. A bond that is stronger than the tooth structure is _____ ______. Question 1 of 1 Time Left Skip Question Reveal Answers Play Next Question. Regular dental exams are a critical part of preventive health care.During a dental exam, the dentist or hygienist will clean your teeth and check for cavities and gum disease. Generally we recommend wearing trays twice a day for 30 min - 1 hour for on average, for about 2 weeks. 7. Human Anatomy, Histology and Embryology 1990-2000 2001-2014 Paper II. Jouer Dental Materials - Exam 1 - Part 3 (Chapter 4, some 8) Question 1 of 1 Temps Restant Passer La Question Révéler Des Réponses Lire La Question Suivante ), The ability for a material to be compressed without breaking (GOLD! Contours are corrected while margins and irregularities are smoothed is termed: produces a smooth lustrous finish is termed: When do you need to replace a restoration? A dental exam is a checkup of your teeth and gums. The proper water/powder ratio for each product depends on the physical characteristics of the powder particles. Do you need to etch children or adults longer? What is a preventative resin restoration? These exams are important for protecting oral health. Impression Materials Mcqs : 8. - Nov Edition. 1) 1970's utilization of health practitioners. What does boxing wax look like. What are the two types of mechanical bonding? Dental Materials Test 4 . Nursing. How is boxing wax supplied. Some use vibrator to help mixing + get air bubbles to surface --> looking for sour cream consistency. Tooth colors are predominantly seen in the yellow and brown range. After mixing, cements must flow like a thin liquid so that a precisely made crown will fit properly. The ability to absorb moisture, there is a stauration point for the tooth (staining of resins and acrylics from repeated exposure to tea, coffee, dyed beverages - due to water sorption), Biomechanics or human factor engeneering, best way for a person to perform a task, Ability of Liquid Flow: Strength & Hardness, Ability of Liquid Flow: Dimensional Accuracy, Setting expansion occurs during hte hardening of all gypsum products (PLASTER EXPANDS MOST), Ability of Liquid Flow: Reproduction of Detail, The compatibility of the impression material will influence the quality of the surface of reproduction (hi-strength has most detail --> less bubbles), The weight of the material dissolved into the water is the solubility of that material. Oral health problems can become serious and painful if not treated promptly. Color of teeth is determined by the way they reflect light. Select the correct answer(s). High-strength stone, because of its very dense and cuboidal type of particle as well as modifications made by the manufacturer, requires even less gauging water than stone. When filling the impression, the gypsum mixture needs to flow slowly "ahead of itself" to prevent the entrapment of air. Addition polymerization is exo or endothermic? Plaster (weakest)--> Stone --> Hi-Strength Stone --> Hi-Strength Hi-Expansion Stone (strongest), Variations In Setting Times: Retarders/ Accelerators, Increases Setting Time (slower setting product) - Retarders-borax, blood, saliva. Addition polymerization is also called.... What are the 3 steps to addition polymerization? Gypsum is ideally mixed with room temperature water (70-72 degrees Fahrenheit) An increase in temperature will accelerate the setting time up to 100 degrees Fahrenheit (decreases setting time). 14 Material safety data sheets. Passez à un compte professionnel pour écouter vos questions et profiter de nombreux autres avantages. d. Silicate cement. 8. Original Manuscripts on clinical and laboratory research of basic and applied character which focus on the properties or performance of dental materials or the reaction of host tissues to materials are given priority publication. STUDY. STUDY. used to form a wall or box around a preliminary impression when pouring it up. Cards In This Set. Does a compomer behave more like a composite or ionomer? Documentation of all veterinary cases be-gins with recording the owner information, patient’s signalment, and primary com-plaint for the visit. Material that has the ability to absorb energy without becoming deformed, Energy absorbed up to the failure point on the stress-strain plot, measure of the energy required to fracture a material when a crack is present, Material/Object failure due to repetitively being stressed for a long time, small change in shape when an object is under continuous compression (SLOW, GRADUAL CHANGE). This galvanic shock is the result of electricity flowing from the fork to the amalgam and through the pulp. SCIENCE OF DENTAL MATERIALS MODEL PAPER (MCQs) Marks: 45 Time: 45 minutes Total No. 11 Dental impression materials. robyn_shafer. Manufacturers usually send a MSDS with products that meet the OSHA definition of a hazardous material. Dental Materials Test 2 My Study Guide. Thermoplastic materials will ____ on heating and ____ on cooling. Inhibitors for addition polymerization are.... What is the coupling agent that binds filler to resin? CTE - measurement of change in volume or length. discoloration caused by oxidation of a metal just on the surface. Dental Materials Exam 2. Cards In This Set. Flashcards. Heating and cooling causing expansion and shrinkage. Bonding 178. Dentin or enamel? white Christmas tree stones & enhancement cups at slow speed. Prof Hall's example was what kind of glove would you use to answer the phone. Class I. Prenez votre apprentissage au prochain niveau. Dental Polymer 68. Luting agents are frequently called dental cements. Materials and Methods The following outline describes the steps in docu-menting a dental procedure using the author’s com-bined format (examination and treatment) equine dental chart (Appendix B): I. slow decrease in force (stress), over time. Acrylic resins are formed by _______ _________. The Dental Materials course will provide the student with the opportunity to: 1) recognize the common materials utilized in dentistry; 2) understand the various materials' characteristics, strengths, and weaknesses as they relate to patient treatment and patient education; The energy absorbed up to the failure point on the stress-strain diagram is the _____ of the material. Gypsum Products: the process of heating gypsum - and the end results: The heating process of gypsum is called calcining to remove water from gypsum. Which one of the following does NOT interfere with the formation of a good bond? Dental Materials Test 2 Big Questions. The knoop hardness number of which one of the following materials is closest to that of dentin (KHN 65)? Plaster requires more gauging water (water measured) to wet the powder surfaces, fill the pores, and float the irregular porous particles. Which of the following would be considered a contraindication to tooth whitening? Metallurgy Mcqs: 4. Why? The composition, properties, and manipulation of materials used in dentistry, as well as procedures used during application, will be emphasized. YEAR. The dental specialist who prepares and uses many of these materials in assisting the dental officer must know their composition, properties, uses, and manipulation. High-strength stone is the strongest and most expensive of the three gypsum products, and it is used mainly for making casts or dies for crown, bridge and inlay fabrication. Healthy Eating. What retarder is used to increase setting time of gypsum? Permanent molars 1&2 . PLAY. 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