Pennsylvania Expanded Function Dental Assistant (EFDA) Board Practice Exam

These questions are part of the practice quiz. Start practicing

• In a Class II amalgam, where are retentive grooves typically located?
• What type of stains cannot be removed from the surface of the teeth?
• Which type of stain can be removed from the surface of the teeth?
• Which category of education is required for EFDA continuing education?
• Which of these is a classifications of exogenous stains?
• A crossbite occurs when which of the following is true?
• What is the effect of longer trituration time on amalgam expansion?
• Which of these could potentially cause an internal void in a composite restoration?
• What feature is found on both posterior and anterior teeth?
• What is the primary purpose of a rubber dam in dental procedures?
• Carious lesions located on the proximal surfaces of central and lateral incisors are classified as which type?
• What impact do Continuing Education hours have on an EFDA's career?
• In a Class V preparation, what is the term for the incisal wall of an incisor?
• Where are carious lesions least likely to occur?
• What can cause post-operative sensitivity when restoring a class II with too large an increment of composite?
• Dispensing of dental materials should be done according to what?
• What function does the inner nut serve in a tofflemire retainer?
• Which type of stains are often caused by food and drink?
• What describes topical FL2?
• What is the minimum number of Continuing Education hours needed for EFDA certification?
• How does systemic FL2 enter the body?
• Reinforcers are used in dental procedures primarily to:
• Which type of ridges are only found on maxillary molars?
• What is the role of the vice in a tofflemire retainer?
• How does the radicular pulp connect with the tissues of the periapical area?
• When polishing composite restorations, what is the recommended progression of abrasives?
• What does an oral prophylaxis commonly involve?
• If a spill of amalgam is undertriturated, what is the resulting characteristic?
• The label Mesiobucco-occlusal is most appropriate for which relation?
• On a maxillary first premolar, which groove separates the buccal and lingual cusps?
• When assessing dental cavity depth, what range signifies a minimal depth restoration?
• An auto matrix is typically used for which class of restoration?
• Which type of insulator is noted for its ability to insulate the pulp from thermal irritation?
• What are the elevated crests of enamel that form mesial and distal margins of the occlusal surface called?
• Which material should be avoided in dental treatments for patients with severe allergies?
• Which molar has a Y, H, or U pattern?
• What liner is preferred when less than 1mm of tooth structure remains over the pulp?
• What phenomenon is described as the slow flow or movement of amalgam?
• Which documentation is essential for an EFDA's Continuing Education audit?
• Which of the following is an example of an endogenous stain?
• What is the term for the junction of the walls of a cavity preparation with the external surface of the tooth?
• Which structure is not found on the occlusal surface of a mandibular molar?
• What metal, when added to dental alloy, reduces the gamma phase?
• What material can be used as a sedative dressing under a restoration?
• What should EFDAs keep as proof of completed Continuing Education?
• What does Class IV refer to in cavity classification?
• In a class V amalgam restoration, which part is typically carved freehand?
• How are Class III cavities described in terms of their location?
• Which of the following metals is NOT a component of dental amalgam?
• What is the primary function of embrasures in dental anatomy?
• When using a tofflemire retainer, which direction should the guide channels face?
• What does Class VI refer to in dental terms?
• After applying FL2 gel or foam, how long should a patient refrain from eating or drinking?
• What dental feature is most commonly associated with the maxillary first molar?
• Which of the following materials is NOT classified as an insulator in dentistry?
• What is the benefit of the three separate positions held by the head of a tofflemire retainer?
• Cavosurface margins should be checked with what instrument?
• Copalite is primarily used as what type of dental material?
• During the composite finishing procedure, what is the purpose of a green stone?
• What are the two types of rubber dam clamps?
• In dental procedures, bonding agents should never be utilized as which of the following?
• Which term describes a pinpoint depression where two or more grooves meet?
• What is the common function of compactor instruments in dentistry?
• What class of dental restoration is indicated for carious lesions located on the proximal surfaces of molars and premolars?
• Which part of a tofflemire retainer is shaped like a box and facilitates the spindle's movement?
• Which aspect of tooth anatomy is crucial for maintaining proper appeal and health in posterior teeth?
• What is an important characteristic of the gingival floor in a Class II preparation?
• Which metal in amalgam helps to enhance strength and resistance to corrosion?
• In dentistry, bases and liners serve multiple purposes; which is NOT one of their uses?
• What teeth are most likely to have the feature of mamelons upon eruption?
• What is known to be a result of over drying in dental treatments?
• When restoring a tooth, the strength and wear rates of a composite are critical for which classes?
• What is a characteristic of intrinsic stains?
• What percentage of sodium is found in FL2?
• Which two metals are found in the gamma phase?
• The spindle in a tofflemire retainer primarily moves through what part?
• What constitutes 'Moral Turpitude' in the context of dental ethics?
• What does the activation of an instrument refer to in dental procedures?
• What is the most common location for a pit on the occlusal surface of a mandibular molar?
• What structure separates the distal triangular fossa of the maxillary first molar from the central fossa?
• Which cusps are classified as working cusps in the dental anatomy?
• What does total etch involve?
• Which of the following best describes the effect of sealants on occlusal surfaces?
• Which of the following best describes a class III cavity preparation?
• How can EFDAs find Continuing Education opportunities?
• What is the primary role of the matrix band in dental procedures?
• What is Zinc Oxide Eugenol primarily indicated for?
• What occupies the interproximal spaces between teeth?
• What would be considered a violation of EFDA Continuing Education requirements?
• What is a direct pulp cap's function in dentistry?
• A lingual pit is most commonly found on which teeth numbers?
• How does the mercury to alloy ratio in amalgam affect its expansion?
• What defines galvanism in dentistry?
• Which parts typically make up an instrument in dental practice?
• What is an essential consideration for EFDAs in patient care procedures?
• What polishing paste is generally recommended for use on filled hybrid composite restorations?
• What is the correct sequence for polishing composite?
• What should be included in areas of accepted continuing education for dental assistants?
• Which dental landmark serves as a guide for identifying tooth surfaces?
• What does direct supervision require of the dentist during a treatment procedure?
• In what direction should the polishing stroke be applied?
• What should properly mixed amalgam not appear as?
• Which characteristic distinguishes a buccal cusp from a lingual cusp?
• Which effect does fluoride (FL2) have on tooth surfaces?
• What area is associated with Class I cavities?
• Which procedure includes an over-etching consequence that might lead to post-operative issues?
• What is the primary function of marginal ridges?
• Which term describes the small triangular area of tissue between adjacent teeth?
• What does the outer nut do in relation to the spindle?
• What characteristic does an effective dental liner exhibit?
• Which component is used to adjust the tension of the matrix band?
• Which characteristic of soft tissues can a rubber dam help to achieve?
• Why is Calcium Hydroxide no longer recommended as a liner under the entire restorative material?
• Which class of cavity involves anterior teeth with a mesial or distal location?
• What is the purpose of stainless steel finishing strips in dental procedures?
• In dental procedures, what role do economic factors play when using a rubber dam?
• What is the correct sequence for finishing and polishing a composite restoration?
• When placing a tofflemire retainer, the wedge is placed from which surface?
• The effective use of which material can help achieve proper enamel adhesion?
• Which of the following is NOT a characteristic of amalgam?
• Which surface is typically the first to be restored in a class II prep?
• What is considered the weakest phase of amalgamation?
• What is the primary component of etching solution used in dentistry?
• Which instruments are typically used to place amalgams or composite resins into preps?
• What area does Class I in dentistry refer to?
• What is required prior to the placement of a class II restoration?
• What is the minimal depth required for a restoration according to standard dental procedures?
• What is the primary role of a dental assistant in the context of patient care?
• What is most critical to ensure when curing composite materials?
• Which characteristic of amalgam is influenced by the manipulation of trituration and condensation?
• What does the guide slot in the vice help to accommodate?
• Centric occlusion refers to what dental condition?
• How often must an EFDA renew their Continuing Education requirements?
• What happens when metals rub together in dental materials?
• Which type of teeth typically show oblique ridges?
• Which surface of the tooth is primarily concerned with aesthetics?
• What connects the occlusal surfaces of posterior teeth?
• Where are mesial and distal marginal ridges located?
• What does the term "anticariogenic" refer to?
• What is the primary purpose of using calcium hydroxide in dental procedures?
• What are the walls of a class II cavity prep?
• What base requires cavity varnish underneath it for pulp protection?
• Which condition is considered a contraindication for dental sealants?
• What are the v-shaped spaces between the proximal surfaces of two adjoining teeth called?
• What does Tachycardia refer to in medical terms?
• In a Class V preparation, what is the wall closest to the pulp known as?
• How much FL2 should be consumed for effective dental health?
• During a class II composite procedure, when should the sectional matrix ring be placed?
• Which of the following topics would likely NOT be a focus in EFDA Continuing Education?
• What is the purpose of cavity varnishes in dentistry?
• Which component of a tofflemire retainer is responsible for securing or loosening the band?
• How many hours of Continuing Education do Expanded Function Dental Assistants (EFDAs) need to complete?
• What part of a tofflemire retainer helps to control the position of the band loop?
• Which of the following is a common property of dental bases?
• What beneficial ion is released by glass ionomer materials?
• What is a primary advantage of a rubber dam regarding the field of operation?
• What does the greater percentage of mercury in an amalgam indicate?
• What is the main purpose of dental sealants?
• Which part of a tooth provides a protective cover?
• What is the primary purpose of the anatomical crown covering?
• EFDAs are not permitted to perform which of the following tasks?
• How do liners function as obtundents during dental treatment?
• Which material is NOT ideal for placement under a composite restoration?
• Which cusps are classified as non-working cusps in dental anatomy?
• What does the term 'overbite' refer to in dental practice?
• What properties do obtundents possess in relation to dental pulp?
• What is the major difference between first and second molars?
• What forms when a facial and lingual triangular ridge join?
• What are wetting agents used for in dental procedures?
• What is the purpose of using isolation systems during certain dental procedures?
• Which aspect of a cavity prep includes the axial and gingival walls?
• What is Dental Fluorosis commonly referred to as?
• Which technique is essential for maintaining patient safety during a dental procedure?
• What is not an accepted area of continuing education in dental assisting?
• What is the best practice to avoid amalgam overhangs?
• Why must primer be dispensed immediately during procedures?
• Why is polishing considered unnecessary before applying professionally applied fluorides?
• Which condition may arise from excessive fluoride consumption?
• Which of the following options describes a component of a dental clamp?
• What is the timeframe for an EFDA to report changes in name or address to the state board?
• What is often hard to achieve when using a tofflemire retainer?
• What is the primary function of a fulcrum in a dental procedure?
• Which dental material is commonly used for base and liner applications?
• Which of the following describes the curing methods available for composites?
• What is the purpose of using a wedge during a class II composite procedure?
• What is the bulk of a tooth primarily made up of?
• What is the part of the dental clamp that expands to fit over the tooth?
• What does 'protrusive movements' describe?
• Where are Class V cavities typically found?
• On which walls are bases and liners typically placed?
• When using a matrix band, which is crucial for proper adaptation during placement?
• What is the bond relationship between the bonding agent and composite materials called?
• The permanent mandibular second molar differs from the permanent mandibular first molar by what characteristic?
• What are the walls of a Class I cavity preparation?
• What type of retention occurs between the tooth and bonding agent?
• What is a common format for EFDA Continuing Education courses?
• Glass ionomers can serve multiple purposes. Which of the following is NOT one of their uses?
• What is the role of a wedge in a class II amalgam restoration?
• What is the primary purpose of Continuing Education hours for EFDA?
• What do the facial surfaces of teeth include?
• What is the primary function of dental sealants?
• Which part of the tofflemire retainer holds the matrix and allows for multiple positioning?
• What is a common effect of polishing on dental materials?
• Which class of cavity involves involvement with the incisal surfaces of anterior teeth?
• What procedure can Glass Ionomer cement be used for?
• Which of the following practices is essential in preventing periodontal disease during an oral prophy?
• Which stone is specifically used for dental amalgam?
• Which of the following conditions would not be advised for sealant application?
• Which component of amalgam acts as a liquid binder?
• What type of stone is used in composite dental work?
• A cavity preparation that includes the mesial incisal angle of a maxillary central incisor is classified as what type?
• Which molar is likely to have three buccal cusps?
• What does centric occlusion imply about the position of the teeth?
• Why is it important for EFDAs to understand the concept of Moral Turpitude?
• What procedures are EFDAs prohibited from performing?
• What dental feature is defined by three round protuberances on the incisal edge of newly erupted anterior teeth?
• Which agent is primarily used to improve retention in dental bonding?
• Why should curing lights be tested weekly?
• Which class of restoration is primarily concerned with the proximal surfaces of posterior teeth?
• What function does the base serve in a dental restoration?
• How many molars are present in the mandibular arch?
• Which of the following factors could lead to moisture contamination during a restoration?
• When do EFDAs renew their licenses?
• What type of composite is considered the most versatile?
• Which of the following is an accepted area of continuing education for dental assistants?
• To prevent post-operative sensitivity in Class II preparations, which material should be applied as the first increment?
• What structure covers the anatomical crown of a tooth?
• What does the term 'Desicating' refer to in dental terminology?
• Calcium hydroxide can be used as an indirect pulp cap in which situation?
• Which of the following can contribute to post-operative sensitivity in posterior restorations?
• Where is the height of contour located on the facial surface of a posterior tooth?
• What can be inferred about Class VI cavities?
• For easy removal, the diagonal slot of the Tofflemire should be directed towards which area?
• Which of the following is a benefit of attending EFDA Continuing Education courses?
• What is the primary composition of a dental sealant?
• When is a Class II cavity preparation typically indicated?
• In addition to Continuing Education, what else is required for EFDA recertification?
• What type of restoration requires careful consideration of thermal and mechanical properties of materials used?
• Which of the following cusps are present on a mandibular first molar?
• A dental pit is best described as?
• Which advantage of the rubber dam involves the protection of individuals during dental procedures?
• At what depth is a near pulp exposure defined?
• Which anatomical feature is a prominent characteristic of maxillary molars?
• What are the walls of a molar classified as?
• Class II cavities occur in which part of the teeth?
• What is the goal of coronal polishing in dentistry?
• What damage can occur from using the prophy angle at a high speed?
• What type of ridge is found on a maxillary molar's occlusal surface?
• When restoring a class III cavity, the isolation required is usually:
• Which of the following is a common reason for the failure of a composite restoration?
• When are EFDA Continuing Education hours due?
• Which term describes the horizontal space between the upper and lower incisors?
• What role does fluoride play in dental health?