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NDAEB Practice Questions with 100% Correct Answers | Verified | Updated 2024, Exams of Advanced Education

NDAEB Practice Questions with 100% Correct Answers | Verified | Updated 2024 Who was the first woman to graduate from a recognized dental college? - Correct Answer-Lucy B. Hobbs-Taylor What are the conditions that would indicate the need for restorative dentistry? - Correct Answer-- initial or recurring decay - replacement or failed restorations - abrasion or wearing away of tooth structure True or False: Aesthetic dentistry is primarily devoted to improving the appearance of teeth; specific conditions that indicate a need for aesthetic treatment include the replacement of a partial denture. - Correct Answer-False The process of removing unhealthy tooth structure while leaving a limited amount of healthy structure for the tooth to maintain a restoration is known as cavity preparation. This process involves which of the following steps? - Correct Answer-- initial preparation - outline, resistance, retention, convenience form - final preparation

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Download NDAEB Practice Questions with 100% Correct Answers | Verified | Updated 2024 and more Exams Advanced Education in PDF only on Docsity! NDAEB Practice Questions with 100% Correct Answers | Verified | Updated 2024 Who was the first woman to graduate from a recognized dental college? - Correct Answer-Lucy B. Hobbs-Taylor What are the conditions that would indicate the need for restorative dentistry? - Correct Answer-- initial or recurring decay - replacement or failed restorations - abrasion or wearing away of tooth structure True or False: Aesthetic dentistry is primarily devoted to improving the appearance of teeth; specific conditions that indicate a need for aesthetic treatment include the replacement of a partial denture. - Correct Answer-False The process of removing unhealthy tooth structure while leaving a limited amount of healthy structure for the tooth to maintain a restoration is known as cavity preparation. This process involves which of the following steps? - Correct Answer-- initial preparation pg. 1 professoraxe l - outline, resistance, retention, convenience form - final preparation Responsibilities of the dental assistant in the restorative process can include performing expanded function and maintaining patient control. - Correct Answer-True Class II restorations are found on the.... - Correct Answer- Posterior teeth The usual material of choice for class III and Class IV restorations is ... - Correct Answer-Composite Resin The Class V restoration is classified as a smooth surface filling and can be found on the... - Correct Answer-- incisors - canines - premolars When are retention pins used as a part of the direct restorative process? - Correct Answer-- when decay has extended beyond the normal size and shape of the cavity preparation pg. 2 professoraxe l Coronal polishing is the complete removal of calculus, debris, stains and plaque from the teeth - Correct Answer-False Exogenous stains are caused by an environmental source and are classified into subdivisions, including which of the following: - Correct Answer-- Intrinsic stains - Extrinsic stains Extrinsic stains can be removed from the teeth by: - Correct Answer-- air-powder polishing - rubber cup polishing - bristle brushes The ultrasonic scaler is needed for a coronal polish... - Correct Answer-False Disclosing solution can be used for: - Correct Answer-- identifying areas of plaque - evaluating the effectiveness of the polishing pg. 5 professoraxe l Teeth with very small initial carious lesions may be sealed, and the bacteria will not survive under a properly placed sealant - Correct Answer-True Sealants have been proved an effective way to prevent the development of dental caries and are indicated: - Correct Answer-- through the caries-active period (ages 6-15) - for teeth with deep pits & fissures - for some adults Sealants shouldn't be used in which of the following situations: - Correct Answer-- obvious dental decay or proximal surface decay - primary teeth that will be lost soon - poor patient cooperation in the dental chair or lack of pits & fissures Sealants may vary in: - Correct Answer-- method of polymerization - colour - whether they contain fillers pg. 6 professoraxe l A general tip for sealant materials is to store them in a refrigerator: - Correct Answer-False The first step in placing dental sealants is to: - Correct Answer- clean the surface A sealant that is polymerized by chemical reactions is called: - Correct Answer-Self-Cured Self-Cured sealant materials are supplied as a two-part system that includes: - Correct Answer-- a base - a catalyst Dental sealants should be used as part of a preventative program that includes: - Correct Answer-- fluorides - dietary considerations - plaque control Enamel that has been etched has the appearance of being: - Correct Answer-frosty pg. 7 professoraxe l The parts of the anesthetic syringe include: - Correct Answer-- thumb ring, finger grip, and finger bar - barrel and threaded tip - harpoon and piston rod The colour-coding system for anesthetic cartridges allows the practitioner to select the correct anesthetic solution by distinguishing: - Correct Answer-- the correct ratio of solution - the correct brand of solutions The lengths of the needles used in dentistry are: - Correct Answer-1 and 15/8 inches The gauge of the needle refers to the thickness of the needle; the larger the gauge, the _______ the needle - Correct Answer-thinner During the loading of an anesthetic syringe, the _____ is loaded first - Correct Answer-anesthetic cartridge pg. 10 professoraxe l To be certain the anesthetic solution is not injected into a blood vessel, the dentist: - Correct Answer-- uses an aspirating syringe - always aspirates before depositing any solution Anesthetic solutions are extremely effective for patients with a tooth or soft tissue infection.. - Correct Answer-False Parathesia, the condition in which numbness lasts after the effects of the local anesthetic solutions should have worn off, may be caused by: - Correct Answer-- contaminated anesthetic solution - trauma/injury to nerve sheath during injection or surgery - hemorrhage into/around nerve sheath Nitrous Oxide/Oxygen analgesia use in dentistry dates back to 1844 and is also known as: - Correct Answer-Inhalation sedation An advantage of using nitrous oxide/oxygen is that it is relatively simple to administer and easy to manage.. - Correct Answer-True pg. 11 professoraxe l No absolute medical contraindications exist for N2O/O2 analgesia, but certain conditions make it a poor choice for some patients - Correct Answer-True Which of the following must be used to protect dental personnel from the occupational risks of nitrous oxide by reducing the N2O released into the treatment room? - Correct Answer-- Scavenger System - Patient mask that fits well and doesn't leak Nitrous oxide oxygen administration always begins and ends with: - Correct Answer-the patient breathing 100% O2 In the dental office, sedatives may be used: - Correct Answer-- for a very nervous patient - for a procedure that will be long or difficult - for a mentally challenged patient A DA can start, monitor and remove IV sedation for a dental patient.. - Correct Answer-False pg. 12 professoraxe l an emergency in the dental office? - Correct Answer-- ability to obtain & record VS - current credentials for performing the Heimlich maneuver - current credentials to perform basic life support, or CPR The ABCD's of basic life support stand for: - Correct Answer-- Airway - Breathing - Circulation - Defibrillation The cells of the brain are irreversibly damaged after _____ without oxygen. - Correct Answer-4-6 minutes The most important measures in preventing an airway obstruction during dental treatment include: - Correct Answer-- use of HVE - use of dental dam - placement of a throat pack (gauze placed at the base of throat during surgery) pg. 15 professoraxe l The AED is used to: - Correct Answer-- reestablish proper heart rhythm by defibrillation - shock the heart - monitor the pt's heart rhythm When defibrillation is provided within the first 4 minutes of cardiac arrest, there is about a _____ chance that you can save the victims life.. - Correct Answer-50 % The DA's responsibility in an emergency situation is: - Correct Answer-- recognize signs & symptoms of a significant medical complaint - to provide appropriate support in implementing emergency procedures When assessing a medical emergency, the DA should remember that the physical changes observed can include: - Correct Answer-- unconsciousness - convulsions - respiratory distress pg. 16 professoraxe l A reduction in blood flow to the brain that would cause the pt to lose consciousness is called: - Correct Answer-Syncope/Fainting Treatment for Syncope may include: - Correct Answer-- ammonia inhalant - placing pt in a sub-supine position - calling 911 Symptoms of an acute myocardial infarction include: - Correct Answer-- short of breath - nausea/vomiting - mildi-severe chest pain _______, which is precipitated by stress & anxiety, may manifest in rapid & shallow breathing, lightheadedness, rapid heartbeat and a panic-stricken appearance and is treated by having the pt breathe into a paper bag or cupped hands? - Correct Answer-Hyperventilation Anaphylaxis can be life threatening and the signs and symptoms include: - Correct Answer-- nausea/vomiting pg. 17 professoraxe l Smokeless tobacco presents a serious health hazard because users may have: - Correct Answer-- high rates of periodontal disease & tooth loss - precancerous leukoplakia - 400 - 500 times more cancers of the pharynx, larynx & esophagus Oral manifestations of HIV/AIDS can include: - Correct Answer-- HIV Gingivitis - Kaposi's Sarcoma - Hairy Leukoplakia When cells of the body divide and a deformity of a part of the body occurs, it is: - Correct Answer-a developmental disorder A condition characterized by abnormally large jaws is: - Correct Answer-Macrognathia The condition known as __________ refers to any teeth in excess of the 32 normal permanent teeth. - Correct Answer- Supernumerary teeth pg. 20 professoraxe l A hereditary abnormality in which there are defects in the enamel formation is: - Correct Answer-Amelogenesis Imperfecta Any tooth that remains unerupted in the jaws beyond the time at which it should normally erupt is referred to as: - Correct Answer-Impacted An oral habit consisting of involuntary gnashing, grinding & clenching of the teeth is: - Correct Answer-Bruxism Why may orofacial piercings be dangerous? - Correct Answer-- teeth could be cracked & nerve damage could occur - infection & uncontrollable bleeding could occur - the tongue could swell & close off the airway Known Teratogens involved in congenital malformation include radiation, chemicals, infections & drugs - Correct Answer-True The _______ are irregular ridges or folds in the mucous membrane that are located on the anterior portion of the pg. 21 professoraxe l hard palate just behind the maxillary incisors. - Correct Answer-Rugae A ______ is a narrow fold of mucous membrane passing from a more fixed to a movable part. - Correct Answer-Frenum The corners of the lips are called the: - Correct Answer- Commissures The ______ is/are body spicules in cancellous bone that form a meshwork of intercommunicating spaces that are filled with bone marrow. - Correct Answer-Trabeculae The filiform papillae, which cover the surface of the tongue, are the receptors of: - Correct Answer-Touch The term ______ means toward the cheek: - Correct Answer- Buccal Ectoderm differentiates into: - Correct Answer-- skin - lining of the oral cavity pg. 22 professoraxe l The ______ is the constricted area where the anatomic crown and the tooth of the tooth meet. - Correct Answer-Cervix The process through which the tooth comes into the oral cavity and tries to maintain occlusions is known as: - Correct Answer-Eruption That portion of the tooth that is visible in the mouth is known as the _____ crown of the tooth: - Correct Answer-Clinical The _____ fibre groups forms a band around the neck of the tooth - Correct Answer-Circular _________ extends from the base of the sulcus to the mucogingival junction. - Correct Answer-Free Gingivae The _____ bones join to form the bridge of the nose. - Correct Answer-Nasal Tooth morphology is the study of: - Correct Answer-- size of the teeth pg. 25 professoraxe l - shape of the teeth - form & structure of the teeth The single rooted teeth located at the front of the mouth are the: - Correct Answer-Incisors The bony ridge over the facial portion of the canine is the: - Correct Answer-Canine Eminence Another term for premolars is: - Correct Answer-Bicuspids The dental arch that is capable of movement through the action of the TMJ is the: - Correct Answer-Mandible The dental arch is often divided into six sections called: - Correct Answer-Sextants The lingual surfaces of the teeth are those surfaces that are closest to the: - Correct Answer-Tongue The proximal surfaces of the teeth are those surfaces that are: - Correct Answer-Next to an adjacent tooth pg. 26 professoraxe l The area between adjacent tooth surfaces is called the: - Correct Answer-Interproximal Space The junction of _____ surfaces forms a point angle. - Correct Answer-Three If a tooth has an inadequate contour, the gingiva may be damaged. - Correct Answer-True The height of contour is the: - Correct Answer-Bulge or widest point on a specific surface of the crown An embrasure may diverge in which direction(s)? - Correct Answer-- facially - occlusally - apically The term to describe the condition when there is maximal stable contact between the occluding surfaces of the maxillary and mandibular teeth is: - Correct Answer-Centric Occlusion pg. 27 professoraxe l - small yellowish elevations The interdental gingiva is also known as: - Correct Answer- Gingival Papilla Which of the following are functions of the tongue? - Correct Answer-- speech - cleansing of the oral cavity - taste - swallowing The receptors for the taste of sweet are located: - Correct Answer-on the tip of the tongue The hanging projection of tissue at the border of the soft palate is the: - Correct Answer-Uvula Which bones make up part of the orbit at the inner angle of the eye? - Correct Answer-Lacrimal pg. 30 professoraxe l The ________ is the region of the mesial or distal surfaces of a tooth that touches the adjacent tooth in the same arch. - Correct Answer-Contact point An angle formed by the junction of three surfaces at one point is called: - Correct Answer-Point Angle Proper occlusion of the erupting permanent teeth is dependent on that of the primary teeth as they are shed. - Correct Answer-True Class II occlusion is also known as: - Correct Answer- Distoclusion The curvature formed by the maxillary and mandibular arches in occlusion is known as the: - Correct Answer-Curve of Spee In the Universal Numbering System, the maxillary right later incisor is number: - Correct Answer-7 In the Universal Numbering System, the mandibular left second premolar is number: - Correct Answer-20 pg. 31 professoraxe l What permanent cement would most commonly be selected for cementing a stainless steel crown on a primary tooth that provides a good overall strength and nonirritating quality? - Correct Answer-Polycarboxylate Copal Varnish ______ acceptable for placement under an amalgam restoration. - Correct Answer-Is Zinc oxide-eugenol cement can be used as a: - Correct Answer-- temporary cement - sedative base When mixing the dental cements, the powder to liquid ratio depends on the: - Correct Answer-Intended use of the material When ready for use, properly mixed polycarboxylate cement should appear: - Correct Answer-Glossy A restoration of IRM can last up to: - Correct Answer-Several months pg. 32 professoraxe l The ability of a liquid to flow is described in terms of its: - Correct Answer-Viscosity In areas where strength is the primary concern, a ________ composite would be selected. - Correct Answer-Macrofilled When two metals touch in the mouth, a small shock is created. This is known as: - Correct Answer-Galvanic action Before dentin bonding, the smear layer must be: - Correct Answer-Removed Bonding system materials: - Correct Answer-must be used according to manufacturer's instructions Crushing pressure that pushes a material together is applied by: - Correct Answer-Compressive Stress The centric relationship of the upper and lower arches is obtained in the ________ registration. - Correct Answer-Bite & Occlusal pg. 35 professoraxe l A smooth impression tray is prepared with a(n) __________ before placing the final impression material within the tray. - Correct Answer-Adhesive In the taking of final impressions, wash is a term used to describe the: - Correct Answer-Syringe material To avoid air bubbles in a final impression, the light body material is: - Correct Answer-Extruded, keeping the tip in the material When kneading silicone putty for an impression, it is necessary to wear _______ gloves. - Correct Answer-Vinyl Polysiloxane is a type of _________ silicone impression material. - Correct Answer-Condensation The vacuum former is used to create a: - Correct Answer-- custom tray - mouth guard - night guard vital bleaching tray pg. 36 professoraxe l In the ______ bite registration technique, the patient is instructed to close their teeth together before the impression material is placed. - Correct Answer-Closed Gloves must be worn when handling: - Correct Answer-- preliminary impressions - final impressions - laboratory cases In a two-step impression technique, before seating the heavy body impression material: - Correct Answer-the syringe material is placed around the tooth An impression tray with a smooth surface must be ______ before use. - Correct Answer-painted with an adhesive substance The final cure of an elastomeric impression material can occur: - Correct Answer-within 1-24 hours When an extruder gun is used, the impression material is mixed: - Correct Answer-as it moves through the mixing tip pg. 37 professoraxe l A dental laboratory device that replicates the movement of the TMJ is a(n): - Correct Answer-Articulator A gypsum product that is able to withstand extreme heat is: - Correct Answer-Investment material The most common noble metals used for crown and bridge are: - Correct Answer-- gold - palladium - platinum The amount of stress before the fracture of an alloy occurs is: - Correct Answer-Tensile strength The most common type of ceramic used in dentistry is: - Correct Answer-Porcelain The gold alloy used for cast-removable partial dentures is: - Correct Answer-Extra hard, type 4 pg. 40 professoraxe l The maximum stress that a structure or material can withstand without being permanently deformed is: - Correct Answer-Tensile Stress Which type of cement would not be used for provisional coverage? - Correct Answer-Zinc Phosphate Amalgam is condensed to: - Correct Answer-- aid in removing any excess mercury - compact the material tightly into the preparation A(n) ________ restoration is expected to last about 6 months - Correct Answer-Intermediate A(n) ________ agent holds two things together - Correct Answer-Luting When working with light-cured composites, the darker the shade of the material the ________ the curing time. - Correct Answer-Longer pg. 41 professoraxe l Immediately after trituration, amalgam is: - Correct Answer- Soft & easily shaped When IRM is supplied as a powder and liquid, it is mixed: - Correct Answer-- on a treated paper pad - using a thick stiff flexible spatula Normal-set alginate has a working time of: - Correct Answer-2 minutes If stored in water, an alginate impression: - Correct Answer- absorbs water Before trimming study models, the casts should be: - Correct Answer-- moist - room temperature A mandibular alginate impression requires _______ scoops of powder and ________ measures of water. - Correct Answer- two/two pg. 42 professoraxe l Jacquelyn, the dental patient, appears to have lost control of the muscles on one side of her face following dental treatment. She also has a headache, difficulty swallowing, and impaired speech. Which of the following is the most likely cause of the symptoms Jacquelyn is experiencing? - Correct Answer-Cerebral Vascular accident Plaster of Paris and dental stone are examples of: - Correct Answer-Gypsum products According to recent studies, periodontal disease is associated with an increased risk of developing which of the following conditions: - Correct Answer-Cardiovascular disease What substance is added to a local anesthetic agent to slow down the intake of the agent and increase the duration of action? - Correct Answer-a vasoconstrictor A patient's best opportunity to receive systemic fluoride is through which source? - Correct Answer-Tap water How do diet sodas relate to dental caries? - Correct Answer- Increased acid in the mouth pg. 45 professoraxe l The safe amount of fluoride typically added to city water is: - Correct Answer-0.5 PPM Which systemic risk factors could contribute to periodontal disease? - Correct Answer-HIV/AIDS, diabetes & heart disease Antibiotic premedication is the standard of care for the patient with: - Correct Answer-An artificial heart valve Hypoglycaemia can be prevented during a dental appointment by making sure the insulin-dependent patient has: - Correct Answer-eaten before treatment Inflammation of the supporting tissues of the teeth that begins with _______ can progress into the connective tissue and alveolar bone that supports the teeth and become ______. - Correct Answer-Gingivitis; Periodontitis Nitroglycerin would be administered to the patient who is experiencing: - Correct Answer-Angina Pectoris pg. 46 professoraxe l Which of the following materials would not be used to take a final impression for the creation of a prosthetic device? - Correct Answer-Alginate Hydrocolloid How are food that contain sugars or other carbohydrates that can be metabolized by bacteria in plaque categorized? - Correct Answer-Cariogenic The most common indication for placing pit & fissure sealants would include which of the following tooth characteristics? - Correct Answer-posterior teeth with deep pits and fissures If using a self-cure composite resin system, what will occur if the containers are cross-contaminated? - Correct Answer-It will cause the material to harden Which type of cement must be mixed on a glass slab? - Correct Answer-Zinc Phosphate Sitting upright or standing too quickly can lead to a drop in blood pressure in some patients. What is the correct term for this drop in blood pressure? - Correct Answer-Orthostatic hypotension pg. 47 professoraxe l What instruments make up a basic tray set up? - Correct Answer-- mirror - explorer - cotton pliers What instrument is used to measure the sulcus of a tooth? - Correct Answer-Periodontal Probe What instrument would you transfer to the dentist to carve anatomy back into the interproximal portion of an amalgam restoration? - Correct Answer-Hollenback Restorative burs are made from what material? - Correct Answer-- steel - stainless steel - tungsten carbide - diamond grit For what purpose would you use an anterior dental dam clamp? - Correct Answer-retract gingiva on the facial surface to improve visibility pg. 50 professoraxe l To create anesthesia, where does local anesthetic need to be injected? - Correct Answer-into soft tissue to make contact with sensory nerves What is Ionization? - Correct Answer-process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes What is the negative electrode inside the x-ray tube? - Correct Answer-Cathode What is the positive electrode inside the x-ray tube? - Correct Answer-Anode What are the 3 factors necessary for the formation of dental caries? - Correct Answer-- susceptible tooth - diet rich in fermentable carbohydrates - specific bacteria pg. 51 professoraxe l What is the term for the dissolution of calcium & phosphate from the tooth? - Correct Answer-Demineralization What condition is caused by yeast-like fungal infection? - Correct Answer-Candidiasis Zinc Oxide Eugenol is widely used as an intermediate restoration because it: - Correct Answer-has a soothing effect on the tooth The functions of low strength bases are to: - Correct Answer-- provide mechanical support for a restoration - act as a barrier to irritating chemicals - provide a therapeutic benefit to the tooth if a tooth has a necrotic pulp, it will not respond to which of the following stimulants? - Correct Answer-hot & cold What is pulp fibrosis? - Correct Answer-pulp aging/ degeneration/ forming fibrous tissue pg. 52 professoraxe l Triangular Groove - Correct Answer-developmental groom that separates a marginal ridge from the triangular ridge of a cusp Marginal Ridge - Correct Answer-rounded, raised border on the medial and distal portions of the lingual surfaces of anterior teeth and the occlusal table of posterior teeth Process by which the teeth move into the oral cavity: - Correct Answer-Eruption What type of tissue makes up the pulp? - Correct Answer- connective tissue & odontoblasts What cranial nerve innervates all muscles of mastication? - Correct Answer-Trigeminal Nerve (V) Which salivary gland is the largest? - Correct Answer-Parotid Glands (pair) pg. 55 professoraxe l What is the hanging projection of tissue at the border of the soft palate? - Correct Answer-Uvula What are 3 factors necessary to the formation of dental Caries? - Correct Answer-- susceptible tooth - diet rich in fermentable carbohydrates - specific bacteria What is the condition in which a pattern on the tongue changes? - Correct Answer-Geographic Tongue What is the dental tooth for tooth within a tooth? - Correct Answer-dens en dente What is the function of a dental liner? - Correct Answer- protects the plural tissue from irritation caused physical, mechanical, chemical & biological elements What is the other name used for a desensitizer? - Correct Answer-Primer pg. 56 professoraxe l What does an insulating base do? - Correct Answer-protects tooth from thermal shock What is omission? - Correct Answer-failure to act; neglect of obligation (child neglect) What is Commission? - Correct Answer-acts that result in harm or potential harm or threat of harm (child abuse/neglect) What is used to fill the canals in a RCT procedure? - Correct Answer-Gutta Percha What is a Rongeur used for? - Correct Answer-cut & trims alveolar bone What are the components of Amalgam? - Correct Answer-- liquid mercury - metal alloy (50% mercury, 22-32% silver, 14% tin & 8% copper) pg. 57 professoraxe l Which vitality test is performed by tapping on the incised or occlusal surface of the tooth to determine the presence of periodical inflammation? - Correct Answer-Percussion What is used in the low speed handpiece to place sealer and cements into the canals during RCT? - Correct Answer-Lentulo Spiral What is the appropriate curing time for light cured dental sealants? - Correct Answer-10 seconds What is the permanent thermoplastic material used to obturate the pulpal canal during RCT? - Correct Answer-Gutta Percha What orthodontic device is placed approximately 1 week before the placement of orthodontic bands? - Correct Answer- Separator Which impression material should be selected to take an impression on a patient for a diagnostic model? - Correct Answer-Alginate pg. 60 professoraxe l Which dental cement contains oil of clove and has a sedative effect? - Correct Answer-Zinc Oxide - Eugenol Which material would be set out in preparation for placement of a temporary restoration? - Correct Answer-IRM What category of dental product is plaster of paris? - Correct Answer-Gypsum A negative reproduction of the patients dental arch is referred to as a(n): - Correct Answer-Impression Which bacteria are linked to dental caries? - Correct Answer-- Streptococcus Mutans - Lactobacilli What percent of sodium fluoride is contained in a non- prescription fluoride rinse? - Correct Answer-0.05% pg. 61 professoraxe l A patient in the third trimester of pregnancy might experience _______ while lying in a supine position in the dental chair? - Correct Answer-Hypotension What medical emergency would require the use of epinephrine? - Correct Answer-Anaphylaxis What fluoride binding agent should be given if a child is experiencing acute fluoride toxicity? - Correct Answer-Milk What supply would require a MSDS? - Correct Answer-Dental Cement What are the only nutrients that can build & repair the body tissues? - Correct Answer-Proteins A condition called ______ will result if an alginate impression absorbs additional water by being stored in water or in a very wet paper towel: - Correct Answer-Imbibition The term ______ means to move the tooth back and forth within the socket: - Correct Answer-Luxation pg. 62 professoraxe l Final impressions are used for: - Correct Answer-to produce a master cast Dental cements are widely used as luting agents. To meet this what properties are required? - Correct Answer-- sufficient strength - biologically compatible What are the purposes of a temporary crown coverage while the permanent crown is being made? - Correct Answer-- preserve space - provide contact - provide biting surface - prevent sensitivity What are the methodologies of constructing a custom tray? - Correct Answer- Reprosil is: - Correct Answer-Polyvinyl Silicone Ketac Cement is a: - Correct Answer-Glass Ionomer pg. 65 professoraxe l The end result of a properly mixed luting cement will: - Correct Answer-string 2cm from paper pad Glass ionomers are gaining popularity as luting agents because: - Correct Answer-excellent solubility immediately What is an accurate statement regarding the placement of an oral evacuator tip? - Correct Answer-The assistant should place the HVE tip first, and then the operator should place the handpiece The purpose of a sandpaper disc in a low-speed handpiece is to: - Correct Answer-polish and/or finish a restoration If a dental patient is allergic to penicillin, according the ADA, the pharmaceutical drug of choice for antibiotic premedication is: - Correct Answer-Clindamycin The first step in placing dental sealants is to _______ the surface - Correct Answer-Clean pg. 66 professoraxe l How are permanent teeth that replace primary teeth identified? - Correct Answer-Succedaneous Which instrument is used to remove sub gingival calculus? - Correct Answer-Curette Which of the following statements is not a concept of four- handed dentistry? - Correct Answer-Use wide-winged patient chair back A _______ is used in a low-speed handpiece to place sealer and cements into tooth canals during root canal therapy (RCT) - Correct Answer-Lentulo Spirals A ______ is used to outline the tissue area for gingivectomy - Correct Answer-Pocket marker In relation to ergonomics in a dental business office, there are how many classifications of motion? - Correct Answer-Five The first step in preparing the patient for an in-office bleaching procedure is to: - Correct Answer-take shade of patients teeth pg. 67 professoraxe l Dental implants are usually made out of: - Correct Answer- Titanium The dental assistant's responsibility in an emergency situation is to: - Correct Answer-- recognize the symptoms and signs of a significant medical complaint - provide appropriate support in implementing emergency procedures Which of the following waxes is used to help contain the stone and form a base when pouring an impression? - Correct Answer-Boxing wax A diagnostic cast (also called study model) made from an alginate impression is found to have numerous small blebs (leads) of stone on the occlusal surfaces of the teeth. The best way to prevent this from happening is to: - Correct Answer- wipe some alginate onto the occlusal surfaces of the patient's teeth before seating the tray The purpose of using disclosing solution is to: - Correct Answer-visualize plaque pg. 70 professoraxe l Which of the following is not an example of an intrinsic stain? - Correct Answer-Black line stain The CDC recommends purging the lines for ______ between patients? - Correct Answer-20-30 seconds Viruses, such as HIV cannot multiply in DUWL's. - Correct Answer-True Free floating bacteria in DUWL's are called? - Correct Answer- Planktonic A(n) _____ infection can be described as being less persistent than chronic and have an onset less rapid than acute - Correct Answer-subacute The type of immunity that occurs when one contracts a disease & produces memory cells is: - Correct Answer-Active Natural Which of the following are Bacterial diseases? - Correct Answer-- Tuberculosis pg. 71 professoraxe l - Legionnaires Disease - Tetnus - Syphilis Infection occurs when _____ penetrate host defences, enter tissues & multiply. - Correct Answer-Pathogens Herpes simplex virus type 2 is one of the most common sexually transmitted diseases in the USA - Correct Answer- True What method(s) can be used to reduce biofilm? - Correct Answer-- self-contained water reservoirs - chemical treatment regimens - microfilms - daily draining & drying of lines It is safe to use dental unit water to irrigate a surgical site. - Correct Answer-False Zinc Oxide Eugenol (ZOE) is widely used as a base because it: - Correct Answer-- has soothing effect on tooth pg. 72 professoraxe l What is the function of a dental liner? - Correct Answer- protects pulp On what tooth structure is a liner placed? - Correct Answer- deepest portion of the cavity prep What are three unique qualities of Calcium Hydroxide? - Correct Answer-- protects pulp from chemical irritation - stimulates production of secondary dentin - compatible with all types of materials What are the three types of Pulpal stimuli? - Correct Answer-- Physical - Mechanical - Biological Can varnish be placed under all restorative materials? - Correct Answer-No, only under Amalgam - corrosive to CR What does an insulating base do for a tooth? - Correct Answer-protects tooth from thermal shock pg. 75 professoraxe l What effect does eugenol have on the pulp? - Correct Answer- soothing effect What is the main functions for all liners, bases & varnishes? - Correct Answer-replace lost dentin What makes Glass Ionomer cements so popular? - Correct Answer-- release fluoride - biocompatible - can be used as a base, liner or luting cement What are brand names of liners? - Correct Answer-- cavitec - dycal - hydrex - vitrebond - life - pulprotex What are brand names of varnishes? - Correct Answer-- caulk - coplite - cavaseal pg. 76 professoraxe l - handiliner How far below the gingival margin should a matrix band be seated? - Correct Answer-1mm below gingival wall, if not.. use extension band How do we determine the size of the wedge to be used? - Correct Answer-by the size and shape of embrasure Are wedges placed from the facial/buccal or the lingual surface? - Correct Answer-lingual What are the indications for the use of a topical anesthetic? - Correct Answer-- prior to injections - prior to rubber dam clamp placement - prior to suture removal - prior to per dressing placement - for ulcers - to prevent gagging - prior to deep cleaning pg. 77 professoraxe l