NDHCE Board Exam Prep Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+

The tissue(s) that have nerve innervations are a. Dentin b. Pulp and dentin c. Pulp and periodontal ligaments d. Cementum e. All of the above : c. Pulp and periodontal ligaments Free, unmyelinated nerve endings of the pulp can sense: a. hot b. cold c. pressure d. pain e. all of above : d. pain The free unmyelinated nerve endings of the pulp tissue can sense pain only. It cannot distinguish between hot or cold. It cannot distinguish the sensation of pressure. All 2 | P a g e stimuli are interpreted as a pain perception. The encapsulated nerve endings are responsible for registering pressure changes nonsuccedaneous permanent molars develop from tooth buds that frow from a. a successional dental lamina b. primary tooth buds posterior part of the palatal shelves d. extension of the primary second molar's dental lamina : d. extension of the primary second molar's dental lamina Six permanent molars per dental arch develop from a posterior extension of the dental lamina What is the angled part of the ameloblast that secretes the enamel matrix? a. inner enamel epithelium b. repolarized pre ameloblasts c. tomes process d. disintegrating basement membrane. : c. tomes process The pink labial mucosa or buccal mucosa meets the redder______ at the mucobucccal fold a. marginal gingiva b. attached gingiva c. alveolar mucosa : c. alveolar mucosa 3 | P a g e The pink labial mucosa or buccal mucosa meets the redder alveolar mucosa at the mucobuccal fold deep with the vestibular fornix. The outer cells of the dental papilla are induced to differentiate during tooth development a. pulp tissue b. preameloblasts c. odontoblasts d. cementoblasts : c. odontoblasts