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How many molars are present in the mandibular arch? - ANSWER: 6 The permanent mandibular second molar differs from the permanent mandibular first molar by number of? - ANSWER: Cusps Which is not found on the occlusal surface of a mandibular molar? - ANSWER: Cingulum A cusp of carabelli is located on a maxillary first molar of the? - ANSWER: Mesiolingual cusp 3 round protuberances - ANSWER: Mamelons What is found on both posterior and anterior teeth? - ANSWER: Marginal ridges A ligual pit is most commonly found on what teeth #'s? - ANSWER: 7 and 10 What molar is likely to have 3 buccal cusps? - ANSWER: Mandibular first The label Mesiobucco-occlusal is appropriate for? - ANSWER: Point Angle of a posterior tooth
On a maxillary first premolar what is the groove that sperates the buccal and lingual cusps? - ANSWER: Central groove The molar with a Y,H, or U pattern - ANSWER: Mandibular second premolar A facial and lingual triangular ridge join to form? - ANSWER: Transverse ridge Cusps for a mandibular first molar - ANSWER: mesiolingual, mesiofacial, distolingual, distofacial, distal Major difference between first and second molars? - ANSWER: 1st molars has 5 cusps, 2nd molars have 4 cusps Which is true of oblique ridges? - ANSWER: Only Maxillary molars have Oblique ridges Facial surfaces of teeth include what? - ANSWER: Labial and Buccal surfaces Elevated crests of enamel that form mesial and distal margins of the occlusal surface - ANSWER: Marginal ridges The bulk of a tooth is made up of - ANSWER: Dentin Interproximal spaces between teeth - ANSWER: Gingival papillae
Working cusps - ANSWER: Lingual of upper; Buccal of lower Non-working cusps - ANSWER: Buccal of upper; Lingual of lower Walls of a molar - ANSWER: pulpal floor,buccal,distal,lingual,mesial Features of the occlusal surface of a permanent maxillary molar include.. - ANSWER: distomarginal ridge, mesiomarginal ridge, oblique ridge, distomarginal ridge, cusp of caribelli Structure that covers the anatomical crown of a tooth - ANSWER: Enamel The maxillary first premolar differs from the maxillary second premolar in that the maxillary first premolar has: - ANSWER: 2 roots, one buccal and one lingual The relationship between the working end of the instrument and the tooth surface - ANSWER: Adaptation Carious lesions are least likely to occur on - ANSWER: Cusp tips Instruments used to place amalgams/composite resins into preps - ANSWER: Compactors The radicular pulp continues with the tissues of the periapical area via the - ANSWER: Apical Foramen The part of the clamp that is expanded to fit over the tooth - ANSWER: Jaw
Strength and wear rates of a composite are critical to consider when selecting a material for placement of what class for stength - ANSWER: class I,II, and III The most versitile composite - ANSWER: Hybrid Prior to placement of a class II - ANSWER: Both a wedge and matrix band are needed Restoring a class II with too large an increment of composite at once can cause post-op sensitivity due to - ANSWER: Undercurring, shrinkage and improper condensing Everything should be dispensed according to what? - ANSWER: The Manufacturer's Instructions Curing lights should be tested weekly to - ANSWER: ensure that the bulb is intense enough to cure through the composite Total Etch - ANSWER: etching the enamel and all involved dentin of the prep During composite finishing procedure a green stone is used to - ANSWER: remove areas of excess composite when necessary Sequence for polishing composite - ANSWER: white stone, brown point, green point, white point, polishing paste Mechanical retention - ANSWER: between tooth and bonding agent
EFDAs are not permitted to.. - ANSWER: Do anything Final! Gingival retraction cord soaked in epinephrine can cause - ANSWER: Tachycardia acetone, alcohol and water - ANSWER: Carrying agents Bonding is never used as an - ANSWER: lubricant To prevent post-op sensitivity the EFDA should apply what as the first increment in a class II prep - ANSWER: flowable The sequence for finishing and polishing a composite - ANSWER: finishing bur, coarse, medium, fine discs, polishing paste Primer must be dispensed immediately to prevent - ANSWER: evaporation Coronal polishing - ANSWER: Removing plaque and stains from coronal surfaces of teeth Polishing does NOT improve the uptake of professionally applied FL2 therefore polishing is before FL2 application - ANSWER: NOT NECESSARY Exogenous stains are caused by environmental sources and are classified in to subdivisions including: - ANSWER: Intrinsic and Extrinsic stains Which is an example of an endodgenous stain? - ANSWER: an excessive amount of fluoride during development of the tooth
What polishing paste is recommended for use on filled hybrid composite restoration? - ANSWER: Aluminum oxide An Oral Prophy includes - ANSWER: Removal of calculus and debris Extrinsic/Exogenous stain - ANSWER: A stain that may be removed from the surface of the teeth(food and drink) Intrinsic/Endogenous stain - ANSWER: A stain that cannot be removed for the surface of the teeth(smoking,tobacco,dental amalgam) Which is the most common technique for stain removal? - ANSWER: Rubber cup polishing What damage can result for using the prophy angle at a high speed? - ANSWER: it can cause frictional heat that can burn the gingiva and damage the tooth HEIGHT OF CONTOUR on the facial surface of a posterior tooth is - ANSWER: at the Cervical third Slow flow or movement of amalgam - ANSWER: Creep Carious lesions located on the proximal surfaces of molars and premolars - ANSWER: class II Carious lesions located on the proximal surfaces of central and lateral incisors - ANSWER: class III
The diagonal slot of the tofflemire should be placed toward the what for easy removal? - ANSWER: the gingival 5 metals in amalgam - ANSWER: Silver,Copper, Mercury,Tin and Zinc The best way to prevent overhang is? - ANSWER: proper band and wedge placement Marginal ridges should be carved higher than the proximal teeth - ANSWER: 1mm Copalite is an example of a what? - ANSWER: A Base Glass Ionomers can be used as what? - ANSWER: a liner, base and a esthetic restoration Glass Ionomer releases what? - ANSWER: Fluoride The closest wall to the pulp on a class V and the wall that runs along the axis of the pulp is called the? - ANSWER: the axial wall Calcium Hydroxide is no longer recommended as a liner under the entire restorative material because? - ANSWER: it has poor compressive strength Zinc Oxide Eugenol is indicate for what procedure? - ANSWER: sedative temporary restoration Walls of a class I - ANSWER: mesial, pulpal. distal, lingual, and facial
Bases and liners are placed on that walls - ANSWER: axial,pulpal walls The junction of the walls of a cavity prep with the external surface of the tooth is the? - ANSWER: Cavosurface A cavity prep that included the mesial incisal angle of a maxillary central incisor - ANSWER: class IV The weakest phase of amalgamation - ANSWER: Gamma Phase Properly mixed amalgam should - ANSWER: not appear dry or grainy, be slightly dull, and hold together without crumbling The incisal wall of a class V prep of an incisor is termed the what wall of a class V prep of a molar - ANSWER: the occlusal surface If a spill of amalgam is undertriturated the result is - ANSWER: hard, crumbly, difficult to condense Glass Ionomer cement can be used in what procedure - ANSWER: post and core build up What can be used as a sedative dressing under a restoration - ANSWER: Zinc Oxide Eugenol The liner of choice to be placed with less than 1mm of tooth structure over the pulp
- ANSWER: Calcium Hydroxide
lingual pits of maxillary incisors Class II - ANSWER: posterior teeth with mesial or distal Class III - ANSWER: anterior teeth with mesial or distal Class IV - ANSWER: anterior teeth with an incisal Class V - ANSWER: gumline Class VI - ANSWER: always writen out Furcation - ANSWER: Area between the roots Fulcrum - ANSWER: Position that provides stability for the operator Parts of a tofflemire retainer - ANSWER: spindle, vice, guide slot in vice, head w/ outer guideslot, inner nut, outer nut Spindle - ANSWER: Threaded rod that moves through the entire retainer to secure or loosen the band in the vise Vice - ANSWER: A Box shapped device that has opening for the spindle to move in and out Guide Slot in vice - ANSWER: A recepticle for the side and ends of the matrix
Head with Outer Guide Slot - ANSWER: Holds the matrix for 3 seperate positions right, left, or straight Inner Nut - ANSWER: Controls postion of the vice to open or close the band and increases or decreases the circumfrence of the band loop Outer Nut - ANSWER: Tightens or looses the spindle against the matrix band in the vice Parts of an instrument - ANSWER: handle, shank, and working end Activation - ANSWER: Movement of the instrument Rubber Dam - ANSWER: eliminates saliva from the field of operation and allows the clinical crown to be exposed while retracting the lips and cheeks 6 advantages of the rubber dam - ANSWER: 1.dry, clean, visible field
- protection of patient and operator
- economic factors
- improved properties of dental materials
- retraction of soft tissues
- application of medications Parts of a dental clamp - ANSWER: jaw,forcep holes, points, and the bow 2 types of rubber dam clamps - ANSWER: wingless and wigned
Enamel restoration - ANSWER: between 1mm into dentin Near pulp exposure - ANSWER: less than 0.5mm from the pulp Mercury to alloy ratio - ANSWER: the greater % or mercury in amalgam the greater the expansion Trituration time - ANSWER: the longer mixing time, the less expansion Characteristics of amalgam - ANSWER: 1.size and shape of alloy particles
- ratio to mercury alloy
- manipulation (trituration and condensation) Galvanism - ANSWER: when 2 or metals rub to conduct electric current The EFDA cannot - ANSWER: administer or supervise the use of any kind of anesthesia,N2O, perform endodontic procedures or conduct any type of dental exam. Diagnoses and treatment plans are also prohibited. How many hours of Continuing Ed do EFDA's need? - ANSWER: 10hrs When do EFDA's renew their licenses? - ANSWER: On March 31st, biennually every odd year Dental Florosis or "Mottled Enamel" - ANSWER: when FL2 consumption exceeds 1ppm(part per milllion)
Enamel Hypoplasia - ANSWER: is developmental and is a mineralization defect Desicating - ANSWER: over drying Moral Turpitude - ANSWER: personal misconduct done knowingly contrary to justice, honesty or good morals Wetting agents/Carrying agents - ANSWER: help carry bonding agent to dental tubules Tacycardia - ANSWER: rapid heart beat, could be caused by retraction cord soaked in epinephrine Sealant is a liquid resin monomer (BIS_GMA) - ANSWER: Sealants obliterate grooves, deep pits and fissures on occlusal surfaces - ANSWER: What stone is used for amalgam? - ANSWER: green stone What stone is used for composites? - ANSWER: white stone Etch is made of - ANSWER: Phosphoric Acid, 37% is placed on enamel and dentin Stainless steel finishing strips - ANSWER: will remove flash from gingival and interproximal areas
