Final Exam-EFDA Board Questions & Answers

Final Exam-EFDA Board Questions & Answers What is the pinpoint depression where two or more grooves meet? Pit What are the elevated crests of enamel which form the mesial and distal margins of the occlusal surface? Marginal Ridges What is the term denoting the V-shaped spaces between the proximal surfaces of two adjoining teeth in contact? Embrasures What is the bulk of the tooth made up of? Dentin When the MESIOBUCCAL cusp of the Maxillary 1st molar occludes the INTERDENTAL space between the Mandibular 2nd premolar and the MESIAL cusp of the Mandibular 1st molar, what class of occlusion would be found? Class 2 Occlusion The ridge formed by the union of two triangular ridges which extend across the surface of posterior teeth is known as what? Transverse Ridge A cavity preparation that includes the Mesial Incisal angle of a Maxillary Central Incisor is classified as what? Class IV Cavity Preparation What is the structure that covers the anatomical crown of the tooth? Enamel In the majority of cases, the maxillary first premolar differs from the maxillary second premolar in that the maxillary first premolar has what? 2 roots -1 buccal -1 lingual Interproximal spaces between the teeth are filled normally by the what? Gingival Papillae What is the relationship between working end of the instrument and the tooth surface is known as what? Adaptation Carious lesions are least likely to occur in or on what? Cusp tips Instruments used to place amalgams and composite resins into preparations are known as...? Compactors The radicular pulp continues with the tissues of the periapical area via the...? Apical Foramen What is a shallow linear depression in the tooth called? Groove When the mandibular teeth are facial to their maxillary counterparts... Crossbite The horizontal space between the maxillary and mandibular incisors... Overjet Thrusting the lower jaw forward is called... Protrusive Movement The vertical overlap of the maxillary incisors... Overbite The touching together of the maxillary and mandibular teeth when the jaws are closed... Centric Occlusion The lingual of maxillary teeth and the buccal of the lower mandibular teeth are.... Working Cusps The movement of the jaw from left to right... Excursive Movement The buccal of the maxillary teeth and the lingual of the mandibular teeth are.... Non-working Cusps What is the slow flow or movement of an Amalgam restoration? "Creep" Calcium hydroxide is no longer the recommended material of choice as a liner under the entire restorative material because... Poor compressive strength The walls for a Class 2 preparation include the Axial wall and the Gingival floor. The Gingival floor... Is adjacent the gingival tissues What is Zinc Oxide Eugenol still indicated currently for? Sedative temporary restorations Carious lesions located on the proximal surfaces of premolars and molars are classified as...? Class 2 Preparation What is the wall that runs along the axis of the pulp? Axial Wall What are the walls of a Class 1 cavity preparation? Mesial, buccal, distal, pulpal, lingual If bases and liner were to be placed, what walls would they be placed on? Axial and/or pulpal What is the junction of the walls of a cavity preparation with the external surface of the tooth? Cavosurface What is the classification of a cavity preparation that includes the mesial incisal angle of a maxiallry central incisor? Class 4 Preparation How should a properly mixed mass of Amalgam appear? -Not appear dry or grainy -Have a slightly dull appearance -Hold together without crumbling What is the phase of amalgamation that is the weakest? Tin-mercury Phase What is the liner of choice to be placed in a preparation with less that 1mm. of tooth structure over the pulp? Calcium Hydroxide What base requires a cavity varnish under it to protect the pulp? Zinc Phosphate What are parts of a clamp? Bow, Jaw, Wing, and Prong The jaws of the clamp should encircle the base of the... Clinical Crown What is the interceptal dam? Material that is flossed interproximally What is the correct order to remove the dental dam? 1.)Remove stabilizer 2.)Cut the interceptal dam 3.)Remove the clamp 4.)Remove the frame and dental dam material 5.)Floss When marking the Dental Dam Material, you should...? Mark the anchor tooth hole and two holes in front of the anchor tooth What is the most versatile composite material? Hybird The term "total etch" refers to.... Etching the enamel and all involved dentin of the prep What type of composite material is desirable for its polishability in non-stressed, non-structural areas? Microfil Composite What is the sequence for finishing and polishing a composite restoration? Finishing bur, coarse to fine discs, and polishing paste What type of composite material is no longer readily available for general restorative use? Macrofilled Composite How can composite resins be cured? Self-cured. light-cured, and dual cured During a Class 5 amalgam, where should you be 'freehanding" the instrument? Central Portion What are stainless steel crowns cemented onto primary teeth with? Durelon What is the best type of temporary material for all procelain inlay/onlays? Fermit The acid etch technique utilizes what type of acid and how much? 35% Phosphoric Acid Direct supervision, as defined by the State, involves the dentist remaining where while the treatment is being performed? In the facility What are some "carrying agents" designed to delived the primer to the dentin? Acetone, Alcohol, and Water What dictates the condition of the dentin necessary for the best bond to occur? (dry, moist, or wet? Carrying Agent of the Primer What type of fluoride treatment is best used for a patient with dentinel hypersensitivity? Sodium Fluoride What type of fluoride can stain restorations? Stannous Fluoride and Aidulated Phosphate Fluoride Fluoride varnishes are available that contain what type of fluoride and how much? 5% sodium fluoride Which type of fluoride will not etch restorations? Sodium Fluoride What type of polishing paste is recommended for use on filled hybrid composites and resin restorations? Aluminum Oxide An oral prophylaxis includes... Removal of calculus and debris What is the name of the stain that can be removed from the surfaces of teeth? Extrinsic Stain What is the name of the stain that cannot be removed from the surfaces of teeth? Intrinsic Stain