EFDA Test Questions with Correct Answers

EFDA Test Questions with Correct Answers What is Cavity Class I? - ANSWER Pit and fissure caries What is Cavity Class II? - ANSWER Interproximal caries in posterior teeth (mesial, distal) What is Cavity Class III? - ANSWER Interproximal caries in anterior teeth with no incisal edge involvement What is Cavity Class IV? - ANSWER Interproximal caries in anterior teeth with incisal edge involvement What is Cavity Class V? - ANSWER Caries in the gingival third of anterior and posterior teeth What is Cavity Class VI? - ANSWER Caries on incisal edge of anterior teeth or cusps of posterior teeth due to defects What is functional occlusion? - ANSWER Term used to describe contact of the teeth during biting and chewing movements. Premolars have how many cusps? - ANSWER 2-3 How many incisors in the mouth? - ANSWER 8 Incisors have how many roots? - ANSWER 1 (single rooted) Maxillary premolars have how many roots? - ANSWER 2 (bi-rooted) Primary dentition consists of how many teeth? - ANSWER 20 What is the importance of the patient record? - ANSWER Can be used in a legal settlement, forensic cases and appropriate third parties. What is a line angle? - ANSWER Formed by the lines created at the junction of two crown surfaces. What is malocclusion? - ANSWER Misalignment of teeth A mixed dentition occurs at what ages? - ANSWER 6-12 years What is a point angle? - ANSWER When three angles come together What is the definition of posterior? - ANSWER Towards the back Primary dentition occurs at what ages? - ANSWER 6 months to 6 years Primary dentition usually lasts until? - ANSWER 12 years of age What are the two arches in the mouth? - ANSWER maxillary (upper) and mandibular (lower) What are the four quadrants in the mouth? - ANSWER Maxillary right, maxillary left, mandibular right and mandibular left What are the 6 sextants of the mouth? - ANSWER maxillary right posterior, maxillary left posterior, maxillary anterior, mandibular right poster, mandibular left poster and mandibular anterior What is the proximal height of contact? - ANSWER Area with maximum convexity on the proximal surface. Proximal height of contact is responsible for what? - ANSWER proximal contact and embrasure space What contours are self cleansing? - ANSWER mesial and distal What are the facial and linguals contours responsible for? - ANSWER protect gingiva from impacted food What are the contacts of a tooth responsible for? - ANSWER stabilizes tooth and protects from trauma Where is the contact point? - ANSWER Between two teeth; where they touch. What is the embrasure space? - ANSWER Triangular space between two teeth. Describe Class I Occlusion: Molar Relationship - ANSWER Type of occlusion in which the mesiobuccal cusps the maxillary first molar contacts the buccal grove of the mandibular first molar.