Chairside Assisting Final Exam Review Questions and Answers, Exams of Nursing

Download Chairside Assisting Final Exam Review Questions and Answers and more Exams Nursing in PDF only on Docsity! Chairside Assisting Final Review What are the three specific parts of a hand instrument? - Answer -handle, shank, and working end What are the four classifications of instruments discussed in class? - Answer -Exam, Hand-cutting, Restorative, Accessory List 4 examples of examination instruments. - Answer -Mouth Mirror, Explorer, Cotton Pliers, Periodontal Probe List the three instruments that make up the basic setup. - Answer -mirror, explorer, cotton pliers Spoon Excavator - Answer -Hand Cutting: Remove soft dentin, debris, and decay from tooth. (most common: spoon excavator, black spoon) Hoe - Answer -Hand Cutting: Plane walls and floors of tooth prep. (push-pull action) Chisel - Answer -Hand Cutting: Cut enamel margin of tooth prep, form sharp lines, point angles, and place retention grooves. (Straight, Bin-angle, Wedelstaedt , and Angle-former chisel) Hatchet - Answer -Hand Cutting: Cut enamel and smooth walls & floors of tooth prep Gingival Margin Trimmer - Answer -Hand Cutting: Cut enamel and place bevels along gingival enamel margins of the prep. Amalgam Carrier - Answer -Restorative: Double-ended instrument with wells on both ends to pack fresh amalgam in & carry to prepped tooth. Condenser - Answer -Restorative: Condense (pack down) fresh placed amalgam into the preparation. (flat end that are smooth or serrated) Burnisher - Answer -Restorative: Used to smooth the surface of fresh placed amalgam restoration. (Ball, Football, T-shaped, Beavertail) Hollenback Carver - Answer -Restorative: Remove excess material, contour surfaces, and carve anatomy back into amalgam or intermediate restoration b4 it hardens. (Used to remove excess material) Discoid-Cleoid Carver - Answer -Restorative: Remove excess material, contour surfaces, and carve anatomy back into amalgam or intermediate restoration b4 it hardens. (Used for occlusal) Amalgam Knife - Answer -Restorative: Used to remove excess material along margin where material and tooth structure meet; most commonly interproximal. List 4 of the functions of a mouth mirror - Answer -Indirect vision, retraction, indirect illumination, and transillumination Using Black's instrument formula for a three-number instrument, indicate what each number represents. - Answer -Width, Length, Angle Class I - Answer -Decay is diagnosed in the pits and fissures of the occlusal surfaces of molars and premolars, the buccal or lingual pits of molars, and the lingual pits of maxillary incisors. Class II - Answer -Decay is diagnosed on the proximal (mesial or distal) surfaces of premolars and molars. T/F The dentist will commonly use hand instruments over rotary instruments to prepare tooth structure and place retention grooves in the preparation. - Answer -False T/F A clear plastic matrix strip is the matrix of choice for a class III or class IV restoration. - Answer -True T/F A tooth prepared for a class III restoration will be etched, primed, and then a bonding agent will be applied. - Answer -True Cusp tip amalgam - Answer -Class VI Occlusal Amalgam - Answer -Class I MI (Mesio-Incisal) composite - Answer -Class IV Distal composite - Answer -Class III MOD (Mesio-occluso-distal) amalgam - Answer -Class II Gingival third composite - Answer -Class V This instrument is used to carry and place composite material in a prepared cavity. - Answer -Teflon coated PFI This instrument is used to carry, place, and condense composite material to a prepared cavity. - Answer - This instrument is used to form occlusal anatomy in composite restorations and resembles an acorn in shape. - Answer -Acorn Burnisher This instrument is used to apply etch, primer, and bonding material to a cavity preparation. - Answer - Microbrush This piece of equipment is used to harden or cure materials used for bonding, composite restorations, and sealants. - Answer -Curing Light List four finishing and polishing rotary instruments used in composite procedures - Answer -White stone, Football, Flame, Sand paper disc Which restorative material is selected for the permanent restoration of a class I lesion? - Answer - Composite or amalgam Which of the following is not an expanded function for a dental assistant? - Answer -Retract the patient's cheek or tongue. Complete the statement: "When completing a permanent restoration, the dentist should have knowledge of: - Answer -the size and position of the pulp of the tooth Which is an example of a direct restorative dental procedure - Answer -Veneer What is the material of choice for restoring class III and class IV preparations? - Answer -Composite resin Where do class V lesions occur? - Answer -Gingival one third The dentist will place a direct ___ to replace decayed tooth structure - Answer -Restoration What is another word for decay - Answer -Cavity Class III restorations involve the interproximal surfaces of which teeth? - Answer -Incisors and canines Who performs the majority of operative dental procedures? - Answer -General dentist Which statement is incorrect concerning tooth whitening? - Answer -Tooth whitening is permanent What is the fastest, most efficient way to whiten teeth? - Answer -In office treatment What classification of restoration involves the lingual pit of a maxillary incisor? - Answer -I What are the internal surfaces of a cavity preparation called? - Answer -Cavity wall In which teeth are class II restorations found? - Answer -All molars A space between two teeth is a(n) - Answer -Diastema What is the purpose of a veneer? - Answer -To improve the appearance of anterior To improve tooth alignment To close diastema Which condition listed is of greatest concern to the operator when preparing a class V restoration? - Answer -Nearness of the lesion to the gingiva A temporary restoration that can be placed in any tooth or tooth surface for a short period is also known as which type of restoration? - Answer -Intermediate During a class III restoration, the dentist will enter the tooth from which surface to minimize the size of the restoration? - Answer -Lingual A common term used when describing restorative an esthetic dentistry is - Answer -Operative dentistry What are a dental assistant's responsibilities in a restorative procedure? - Answer -Preparing, mixing, and transferring dental materials Air abrasion unit. - Answer -What type of handpiece resembles a sandblaster? Latch-type - Answer -What type of shank fits into the contra-angle attachment? Tungsten carbide - Answer -Restorative burs are made from what material? Inverted cone - Answer -What design of bur is a 33.5? Cutting ability - Answer -What gives the diamond bur its advantage? Compostite resin - Answer -Finishing bur are used on what type of dental material? Mandrel shaft - Answer -What is used to hold a disc in the handpiece? round bur - Answer -1/4, 1/2. 1-8, 10 round bur - Answer -initial entry into tooth structure; extends prep; retention; removes decay inverted cone - Answer -33 1/2, 34-39 inverted cone - Answer -removes decay; establishes retentive grooves straight fissure plain cut - Answer -55-60 straight fissure plain cut - Answer -initial entry into tooth; helps in forming the internal walls of the prep straight fissure cross-cut - Answer -556-560 straight fissure cross-cut - Answer -helps in forming the internal walls of the prep tapered fissure plain cut - Answer -169-172, helps in providing angles to the wall of the prepared tooth tapered fissure cross-cut - Answer -699-703, helps in providing angles to the wall of the prepared tooth pear - Answer -330-333, initial entry into tooth structure; extends preparation flame shaped diamond bur - Answer -makes bevels in crown preps FG - Answer -friction grip shank RA - Answer -latch type shank HP - Answer -long straight shank Low-speed handpiece - Answer -Used to remove decay, trim and polish acrylics Contra-angle low-speed handpiece attachment - Answer -Use with a latch bur in the oral cavity Prophy angle - Answer -Use as an attachment to low-speed handpiece to polish teeth and restorations High speed handpiece - Answer -Used to remove tooth structures and decay Ultrasonic Handpiece - Answer -Used by hygienist to remove calculus Laser Handpiece - Answer -uses a beam of light to cauterize soft tissue or vaporize decayed tooth structure Air Abrasion Handpiece - Answer -similar to a sandblaster to remove decay Lubrication System for handpieces - Answer -Used to clean and lubricate the handpieces before autoclaving Dental Bur - Answer -Head, Neck and shank Round bur - Answer -1/2-10, initial entry, retention, removes decay Inverted Cone - Answer -33 1/3-39, Removes decay, retention grooves Straight fissure plain cut bur - Answer -55-60, initial entry, forms internal walls of prep Straight fissure cross-cut bur - Answer -556-560, helps in forming the internal walls of the prep Diamond Burs - Answer -Used to remove large parts of tooth structure Tapered Fissure plain cut bur - Answer -169-172, provides angles to the walls of the prep Tapered fissure cross cut bur - Answer -699-703, angle to walls of prep Finishing burs - Answer -Polishes the restorations Vulcanite Burs - Answer -used in the lab, to adjust acrylic materials