Hottel EFDA Combined Questions with Detailed Verified Answers

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Hottel EFDA Combined Questions with
Detailed Verified Answers

Question: In the federation dentaire international system for numbering, a
permanent maxillary right first molar is:


Ans: 16


Question: Which tooth numbering system does not use letters when
describing primary dentition?


Ans: FDI Numbering System


Question: On a tooth with extensive gingival recession below the
Cementoenamel junction, what would be visible?


Ans: anatomical and clinical crown


Question: What is the periodontium?


Ans: The oral hard and soft tissue that supports the teeth


Question: When looking into a healthy oral cavity when will most likely see


Ans: The clinical crown

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Question: The term that describes a space continuous with an inter-proximal
space, produced curvature's of teeth in contact in the same arch, that provides
a channel or a passage through which food escapes from the occlusal surfaces
of the teeth during mastication


Ans: Embrasures


Question: Which embrasure is located below the contact area


Ans: Gingival


Question: When posterior teeth are viewed from the occlusal, The proximal
contacts are usually located


Ans: more buccal in a buccal to lingual direction


Question: When anterior teeth are viewed from the incisal , the contact area
is located


Ans: more center in a buccal to lingual direction


Question: Where is enamel the thickest?


Ans: incisal/occlusal surface


Question: True or false: pulp increases in size with age


Ans: False

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Question: What dental tissue is comprised of tubules that contain
protoplasmic extensions of the cells that line the pulp chamber


Ans: dentin


Question: Enamel covers the anatomical crown of the tooth. The
composition of an enamel is approximately


Ans: 95.5% inorganic, 0.5% organic, 4% water


Question: Dentin is normally yellowish white and darker than an enamel. The
composition of dentin is approximately


Ans: 70% inorganic, 20% organic, 10% water


Question: What tooth tissue most resembles bone


Ans: cementum


Question: Pulp can be harmed by the Carie's process and by


Ans: Sterilizing, cleaning, drying, desensitizing agent


Question: Where is the oblique ridge located on a maxillary molar?


Ans: DB and ML cusps


Question: Which incisor has the most acute mesioincisal angle (sharp)