STUDY. True. 90 • When a ductile material is subjected to tensile force, it tends to opening of the flaw and only plastic deformation has occurred. Front: Back: Which teeth do you place sealants on . Dental materials considered devices, as well as over-the-counter products sold to the public, are subject to control and regulation of the _____ Center for Devices and Radiological Health. Laura Diaz Chapter 43: Restorative and Esthetic Dental Materials Recall 1. dental pulp. a. Related Topics. disadvantages: very expensive, very time consuming, major legal/ethical issues, difficult to control, … PLAY. Search the world's information, including webpages, images, videos and more. Dental Materials: preventive dental materials. Materials science applied to the biomaterials used in dentistry. Cram.com makes it easy to get the grade you want! Start studying DENTAL MATERIALS FINAL EXAM REVIEW. gingival tissue. The acids in plaque dissolve the enamel surface of the teeth, creating holes in the teeth called cavities, or dental caries. Permanent molars 1&2 . Quickly memorize the terms, phrases and much more. However, the principles of stress and strain apply in both cases. Healthy Diet. In the Universal Numbering System, the permanent teeth are numbered 1 to 32. Sealants. Quickly memorize the terms, phrases and much more. Helps dental students memorize the proper eruption sequence of permanent teeth (55 cards) 2019-09-11 4 . Clipping is a handy way to collect important slides you want to go back to later. Mechanical Properties of Dental Materials - Dr. Nithin Mathew • When a brittle or a ductile material is subjected to compressive stress, it tends to close the crack and this stress distribution is more uniform. Why does it matter what material we use in the mouth? Shown in Figure 4-2 is a bonded two-material system with the white atoms of material A shown above the interface and the shaded atoms of material B shown below the interface. Start studying Dental Materials Test #2. Advanced disease and treatment; replaces missing/lost function. Food and Drug Administration b. Titanium Implant (the part the screws into the bone), Abutement ( the part that attaches to the porcelain crown). The 3rd edition of ‘Dental Materials (Principles and Applications)’ by Zohaib Khurshid and his co-editor is an up-to-date information manual in the field of dental material science. Drug Enforcement Administration c. Centers for Disease Control and Prevention d. Department of Human and Health Services Sharps disposal containers assist in protecting dental workers from injuries when handling and transporting waste sharps. DH 160 Dental Materials Theory and Lab (20/25) 45 DH 170 Dental Hygiene Principles I 63 DH 175 Professional Ethics Seminar 6 DH 180 Preclinical Practice and open lab/remedial 157 SUB TOTAL 651 ACADEMIC LEVEL 02 / 22 WEEKS EN 201 English and Communications I 54 Intraoral Radiography (74 cards) 2019-12-13 4 . Instant certification as you finish your course! Class I: occlusal or lingual pit & fissures, Older anterior composites might be seen in a radiograph as ____________________. Takes more time to set. 2. 18 terms. Dental assistant jobs can be pursued after completing the CDA certification process. A. 10 terms. You have been trained how to use a fire extinguisher. Cram.com makes it easy to get the grade you want! Study Dental Materials Test 2 MY STUDY GUIDE Flashcards at ProProfs - Dental materi als test Student clinic: wall next to the darkroom and with the emergency kit in room 239. Fluoride gels. Decontamination1 of facilities and materials P- Pull the pin located in the extinguisher's handle. A. Write. Dental Materials are Regulated to Ensure _____ Safety. advantages: high fidelity, real simulation of situation. Improved stone. This risk can be minimized through the use of effective gas-scavenging systems and proper anaesthetic techniques (e.g., testing for leaks, using cuffed endotracheal tubes, etc.). 4.15 Sexuality in Pregnancy recommended for bonding an appliance to enamel, dentin, amalgam, porcelain etc. FACTS OF THE DAY. Used for crown retention when tooth structure is insufficient. Rescue: Rescue people from the immediate area if trained to do so. Brains and Behavior Outcome Questions. Acid Age Cavities Caffeine A child should be seen by a dentist by what age? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Healthy Eating. The principal aim of Dental Materials is to promote rapid communication of scientific information between academia, industry, and the dental practitioner. Dental Doctor and Specialist. To prevent caries by providing a protective coat over … Composition & Structure Performance Handling & Applications Durability & Longevity Biocompatibility ... OTHER QUIZLET SETS. Health Science. Cram.com makes it easy to get the grade you want! Documentation of existing oral and relevant systemic conditions, Chemical bonds determine the properties of ____________, Properties of materials determines ________ ________ and _________ _____ ____________, restoration choices and treatment plan recommendations, Restoration choices improve quality of ___________ _______, patient care and quality of life for the patient, Chemical Bonds have _________ and __________ properties, Chemical Bonds determine how a material ___________, 2 phase materials: suspensions of 1 material in another, Strong- able to absorb forces, pressure, not fracture easily. END: Nervous System. According to the Universal Numbering System, tooth #7 and #10 are maxillary lateral incisors. Flashcards. resin and monomer in alcohol, acetone or water, thermal expansion and contraction may permit microleakage, adhesion occurs by tags to produce micromechnical retention, adhesion occurs by removal or smear layer and formation of micro tags within intratubular dentin, conditioning agents may be locally irritating if they come into contact with soft tissue, linking low molecular weight molecules (monomers) with high molecular weight molecules (polymers), etched with phosphoric acid for 60 seconds, etched for a short period of time about 10 seconds, layer that is formed by the dentin bonding resin and the collagen fibrils, amalgam restorations have been used successfully with resin adhesive, post placed within root of endodontically treated teeth, bonding metal brackets with a retentive mesh or ceramic brackets with a pre-etched bonding surface, materials that can be placed directly into the cavity preparation or onto the tooth surface, mixture of two or more materials with properties superior to any one component, - smaller particles therefore easier to load, well tolerated by surrounding soft tissue, composites with larger filler particles are stronger in both tension (pulling) and compression (bearing), composite resins will transmit hot and cold temp, greater the volume of filler, the more resistant, resin matrix absorbs water from oral cavity over time, restoration more opaque when viewed on a radiograph, anterior teeth aesthetic pleasing and highly polishable, varies with type of resin used in manufacturer, light-cured composes available in compiles used with delivery gun or syringes, used to contain and shape class 3 to 5 composite resins, placed in small increments about 2mm thick, initial increment of composite resin will chemically bond to resin bonding agent on email and dentin, moisture should be eliminated until restoration is completed, light probe should be held as close as possible to the composite, adding and unfilled resin to the surface of the composite after finishing and polishing, provides a stronger bond between the organic fillers and the resin matrix, - restorations of root caries since they bond to the root better than composites and release fluoride, cover the dentin for plural protection from temperature changes, chemical within other restorative materials and from acid etchants, used to rebuild missing dentin within the cavity preparation, glass ionomer is "sandwiched" between to the tooth and another restorative material (composite), composited resins containing polycarboxylic acid and methacrylates, indirect-placement aesthetic restorative materials, materials placed outside of the mouth on replicas or prepared teeth, thin layers of aesthetic materials bonded to front portion of the teeth usually anterior teeth, most natural and translucent layer - incisor edge, the quality of a colours purity - intensity and saturation, cementing two components together, such as an indirect restoration cemented on or in a tooth, placed on the floor and walls of the preparation to seal the tubules and minimize microleakage - protective barrier, protect the pulp before the restoration is placed, soothes the pulp that has been damaged by decay or irritated by mechanical means, provides mechanical support for restorative material when an excessive amount of tooth structure is removed, provides protection and support for the surgical site - controls bleeding, sets slowly enough to allow easy manipulation, cements are not frequently chosen as permanent restorations, used as a sedative provisional restoration, important that cements be mixed to their appropriate consistencies, brittle materials with good compressive strength, most of the cements will disintegrate in the oral environment over time, many cements are combination of powder of zinc oxide or powdered glass and an acid, the consistency of mixed cement is the measure of its ability to flow under pressure, available in variety of shades and opacities for luting porcelain veneers, ceramic or composite inlays, inlays, porcelain full crowns, accomplished by adhesions ex. The Dental Assisting National Board, Inc. (DANB) offers the Certified Dental Assistant (CDA) Examination for national certification purposes. Candidates must successfully … 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. B. Terms in this set (51) composite. Created by. Dental Materials are Regulated to Ensure _________. Decreasing the setting time of a dental material results in a products that: A. What are Dental Hygienists NOT allowed to do with Dental Conditions & Materials??? Study Flashcards On Exam 3 - Dental Materials Review questions at Cram.com. D. Die stone. Dental Materials - Composite. Match. Percentage of sodium fluoride in Acidulated phosphate-fluoride…. NEVER attempt to extinguish large fires. Crowns are used for restoring teeth that have been damaged or diseased, and essentially they protect and extend the functionality of your challenged teeth, or to cap implants. Dental Materials Test 2 Big Questions. stain producing habits, capsules containing measured amounts of alloy and mercury separated from each other by a plasmic membrane, may be bonded to the tooth with resin bonding agents, bonding agent is applied to enamel and dentin first to establish a resin layer that hybridizes the dentin and seals the dentinal tubules, a single chemical-cured bonding agent is applied to the cavity preparation before the amalgam is placed, an oxidation that attacks surface of amalgam, oxidation form interaction of two disimillar metals in the presence of a solution containing electrolytes, gradual change in shape of the restoration from compression by opposing dentin, harder than noble metals making them difficult to cut and finish, technically changed into another form resulting into a harder alloy with greater yield strength ex. • Pull the eyewash station over the sink. Learn. Nursing. Dental Terms (12 cards) 2020-05-28 4 . Applied to occlusal surfaces of posterior teeth to prevent pit…. xoxoniyat. Takes less time to set. orthodontic wires, problems seen clinically with ceramic-alloy crowns are usually associated with fracture within the porcelain leaving the metal exposed, all surfaces of the metal is covered with porcelain, the occlusal surface is in metal especially for clients who grind their teeth, just a line of metal seeing on the cervical, - solder fixer space maintainer components, - composed of wrought wire that has been twisted to produced multiple cutting edges, - orthodontic brackets and bands are bonded or cemented to teeth, - fixed lingual retainer helps maintain the position of the teeth after orthodontic treatment, made from a wax or resin pattern made directly on the tooth or in the dental lab, most common used posts, available as parallel or tapered, metal or non-metal, passive or active, - replace one or more single units as individual crowns, placed under the periosteum and rest on the bone, most common in the mandible, close adaptation helps to develop a biological seal that prevents MOs from invading the tissues - need good oral hygiene, in emergency situation if the client presents fractured tooth, cleans forms which are filled with acrylic or composite which match tooth shade and then inserted onto prepared tooth, provisional is fabricated directly on the tooth, template is made on the study model, fabrication usually done of model, involves restoration or replacement of missing tissues or teeth, ideal option for repairing decayed or damaged back teeth, may be made of porcelain, resins, or dental ceramic materials, stronger than all-ceramic versions and more aesthetically pleasing than those made of metal, procedure that is required in order to rebuild and strengthen a tooth that had root canal treatment, advanced metallurgic technology of producing high-hold metal substances for crowns and bridges, are preferred method to replace single or multiple missing teeth, even partial or full denture - titanium artificial root is place din the jawbone and allowed to join (integrate) with bone over 3-6 months, a fixed bridge refers to a prosthesis that will span the area of a missing tooth, known as pontic, the procedure involved the preparation of two or more abutment teeth, removable dental appliance that replaced multiple missing teeth, similar to a filling and lies inside the cusp tips of a tooth, made of a stronger, natural-looking material, such as porcelain, synthetic polymers used in dentistry - denture bases, denture teeth, relining a repair of prosthesis, etc, added acrylic resin colour to resemble oral mucosa, added to keep acrylic from being tooth transparent, helps prevent surface cracks, improves resistance to structural fatigue, additional of plasticizers, rubbers and fillers to change physical and mechanical properties, strengthen resin or change its optical properties, harder, stronger and less porous and have less than 1% residual monomer, weaker, softer, more porous and less colour stable, polymers undergo shrinkage during polymerization process, free ionomer (MMA) can cause tissue irritation and inflammation, - biting force with dentures is 20% of that with natural teeth, will always feels looser because there isn't a large surface area for rest and support (hard palate), extra rod is common as the site heals after extraction, constructed from the same metals as the trays, used for construction of custom trays & record bases, if totient has accumulated a lot of calculus around the surfaces of the denture, before returning it to the patient be sure to clean it in placing it in a denture cleaning solution (denture and solution goes in a bag and is placed in the ultrasonic cleanser), the acrylic resin prosthesis can absorb water and are sensitive to water loss so make sure to instruct patient to keep it wet during some periods of storage, need to be cleaned daily, more than once if possible, will have metal clasps that need to be cleaned gently to prevent distorting, - fixes looseness that occurs as the bony ridges resorb and the gums shrink, one term denture relines can be made with either a hard setting materials or a soft, flexible one, soft liners may be used for short term or long term us, if a client has chronic soreness with a hard base because o a thin mucosa or sharp body spicules a soft base may be used, last 1-3 years, made from silicone rubber or acrylics such as ethyl or methyl methacrylate, - placed at chair side, powder which is composed of poly, mix powder and liquid according to manufacture directions, most common, used to fill the spaces when dentures become too loose, can be purchased at drugstore, overtime these materials can stiffen and cause damage to the tissue, - mostly widely used because resilient and do not stress the underlying ridges, - improved properties compared with a acrylic, teeth can resemble a single shade or the client can have lighter and darker restorations, - specialized aspect or prosthodontics practice, - prepare of partial denture with metal framework is more complex depending on location of break, light-cured deminthacrylate is an acrylic resin that contains a chemical activated by light in the blue wave range, an accelerator, inorganic fillers and pigments to stimulate tissue colours, the prosthesis is prepared the same way as for chemical-cured materials, except a different liquid is pained on the fractured pieces before the repair material is applied. B. What professional organization evaluates a new dental material?-The Council on Dental Materials, Instruments and Equipment, a subcommittee of the American Dental Association, works with federal agencies, to evaluate new dental materials to make sure that the companies follow the regulation and standards. periodontium. Maryland bridge: is a fake tooth that attaches to two other teeth by a metal. Safety Data Sheets (SDSs) (formerly known as Material Safety Data Sheets or MSDSs) are available for all products used in the clinic. Gravity. Degree of Dental Science. Dental drugs, materials, instruments, and equipment are considered __________ ___________ and they have: Early onset, detection, and treatment of disease. Automated college courses created from lecture notes, class exams, text books, reading materials from many colleges and universities.) ; Cutting-edge content describes the latest materials commonly used in dental practice, including those in esthetics, ceramics, dental implants, and impressions. • Student Clinic: The sink located across from the clinic dispensary room (near room 249). 22. Dental lab materials and procedures (12 cards) 2020-05-28 4 . .2. The atoms are represented over six atomic planes, although dental structures have millions of atomic planes. Exposure occurs in medical, dental, and veterinary operating room environments. Test. Dental drugs, materials, instruments, and equipment are considered _____ _____ and they have: medical devices mandatory FDA regulations, voluntary ADA seal of Acceptance and International standards. False. Karen_Grant59. Quickly memorize the terms, phrases and much more. Dental stone. Tests that measure hardness of dental structures and materials: The amount of force that can be applied to a material and it still returns back to its original strength; the stiffness of a material, The Modulus of Elasticity = the degree of stiffness of a material, Change in shape but easy return to the original shape is called elasticity, is the failure of a restoration after repeated, continuous stress, is the amount of energy needed to fracture a material when a crack is present, is the small change in shape when an object is under continuous compression, is the stress that builds or increases around defects, Clinical Applications: Modulus of Elasticity, Most dental materials need to be very stiff materials, ceramics have _____ compressive strength, ______ surface hardness, _______ thermal insulators,______ tensile and shear strength, _____ fracture toughness, Can withstand heavy biting forces (compressive strength), Will not hold up to bruxism well (poor shearing strength), Clinical Application: 6x11 Porcelain fused to metal Bridge, The amount of expansion and contraction of the material as temperatures change, The movement of electricity through a material, The ability of a material to flow; determined by its "runniness", The ability of a material to intimately cover a surface. 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