Health Care > EXAM > PA EFDA Boards| 314 questions| with complete solutions (All)

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PA EFDA Boards| 314 questions| with complete solutions

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Function of Anterior Teeth. Correct Answer: Tear/Incise Food Function of Posterior Teeth. Correct Answer: Grind Food Portion of the tooth that extends from the Incisal or occlusal surface to t ... he CEJ.. Correct Answer: Anatomical Crown. Also referred to as the cervical line .. Appears as a slight constriction that encircles the tooth... Correct Answer: CEJ ( Cementoenmael Junction) The Visible Portion of the Anatomical Crown. Correct Answer: Clinical crown Area Where the Root Divides. Correct Answer: Furcation. The actual division into 2 OR more roots.. Correct Answer: Furrow Same Arch Touches Or Meets... Correct Answer: Contact Area. Contact Area = Two Purposes.. Correct Answer: 1) Food Trap (Prevent) 2) Stabilize Dental Arches. What can eliminate a contact area? Correct Answer: Tooth Movement. Loss of Teeth. Poorly contoured Restorations. Good Contact = Correct Answer: Stabilizes the teeth to prevent drifting or tipping and protect soft tissues. No Contact = Correct Answer: Food Impaction resulting in tissue damage and Plaque Build Up. Continuous with the inter-proximal space between the teeth.. Correct Answer: Embrasures. Covers the anatomical Crown of the Tooth and Varies in Thickness in Different Area's of the tooth... Correct Answer: Enamel. Enamel is thicker at .. Correct Answer: The Incisal and Occulusal Surface. Hardest tissue in the body and is very brittle... Correct Answer: Enamel. What color is enamel? Correct Answer: Yellowish white to grayish white, but also depends on the underlying dentin. Enamel is composed of rods (prisms) that are formed as cells called.. Correct Answer: Ameloblasts. The bulk of the tooth is made up of .. Correct Answer: Dentin. 2nd hardest material in the body... Correct Answer: Dentin. The hard connective tissue lying just inside the enamel and cementum.. Correct Answer: Dentin. Normally yellowish white and darker than enamel and slowly darkens with age.. Correct Answer: Dentin. Dentin is distinguished by enamel by.. Correct Answer: Dentin = Dull flat appearance. Enamel= translucent and shiny. With Explorer (when scratched) Dentin = Enamel= Correct Answer: Dentin = Dull Sound. Enamel= High Pitch. Formed by cells called odontoblasts and develops with the pulp from dental papilla of the tooth bud... Correct Answer: Dentin. 3 Major Types of Dentin... Correct Answer: 1)Primary. 2) Secondary. 3) Reparative. Produced before the tooth erupts and shortly after eruption... Correct Answer: Primary Dentin. A continuation of primary dentin that forms at a slower rate as the tooth ages and throughout the life of a tooth.. Correct Answer: Secondary Dentin. _____________ OR tertiary dentin forms rapidly when tooth has received an excessive stimulus from caries, cavity preparation , OR other trama... Correct Answer: Reparative. A Defense reaction to an area of injury.. Correct Answer: Reparative Dentin. [Show More]

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