Complete Denture 3 (សូមមេត្តាកុំចែកចាយ Link ដោយគ្មានការអនុញ្ញាត)
121. Why should dentist give patient enough information and opportunity to choose their anterior teeth? Because It determines:?
σ the function of the Complete Denture
σ the strength of the Complete Denture
σ The midline of the Complete Denture
σ The Esthetic of the complete Denture.
122. Records of shade, size, and form of teeth could be obtained from preextraction records which include: ?
σ Preserved extracted teeth
σ Previous diagnostic casts with natural teeth.
σ Preextraction radiograph
σ All are correct.
123. Records of shade, size, and form of teeth could be obtained from preextraction records the following EXCEPT:?
σ Preextraction photograph
σ Observation of teeth of close relatives
σ Looking at the old denture
σ Patient Preference.
124. The following are Factors to be considered in teeth selection when preextraction records are not available EXCEPT:?
σ Shade
σ Size
σ Material.
σ form
125. Factors that affect Shade selections for CD teeth selection:?
σ Age
σ Skin complexion (skin color)
σ Gender
σ All are correct.
126. The following are Factors that affect the Size for CD teeth selection EXCEPT: ?
σ Length
σ Gender.
σ Width
σ Patient Preference.
127. The Main types of Material for CD teeth are the following EXCEPT:?
σ Acrylic
σ Porcelain
σ Wood.
σ All are correct
128. Which is the advantages of NonCusp form teeth?
σ More efficient in chewing
σ They can be arranged in balanced occlusion in eccentric position.
σ Allow greater range of movement which is necessary in patient with related jaws
σ All are correct.
129. The following are advantages of Cusp form teeth EXCEPT:?
σ More acceptable esthetically.
σ More compatible with surrounding oral environment
σ More comfortable.
σ They can be arranged in balanced occlusion in eccentric position.
130. The anterior teeth should be arranged to provide the following:?
σ Proper lip support
σ Permit satisfactory phonetic
σ Pleasing esthetic
σ All are correct.
131. Arrangement of Maxillary Central incisors should have ?
σ 5 degree labial inclination.
σ 10 degree labial inclination
σ 2 degree labial inclination
σ No labial inclination
132. Arrangement of Maxillary Lateral incisors should have ?
σ 5 degree labial inclination
σ 10 degree labial inclination.
σ 2 degree labial inclination
σ No labial inclination
133. Incisal edge of Maxillary Lateral incisor should?
σ 1 mm above the occlusal plane.
σ 2 mm above the occlusal plane
σ 3 mm above the occlusal plane
σ touch the occlusal plane
134. Incisal edge of Maxillary Central incisor should?
σ 1 mm above the occlusal plane
σ 2 mm above the occlusal plane
σ 3 mm above the occlusal plane
σ Touch the occlusal plane.
135. The tip of Maxillary Canine should ________ the occlusal plane.?
σ Above 1 mm
σ Above 2 mm
σ Above 3 mm
σ Touch the occlusal plane.
136. Arrangement of Maxillary Canine should have ?
σ 5 degree labial inclination
σ 10 degree labial inclination
σ 2 degree labial inclination
σ No labial inclination.
137. Incisal edge of Mandibular central incisor should have?
σ 1 mm Overjet and Overbite.
σ 0.5 mm Overjet and Overbite
σ 1.5 mm Overjet and Overbite
σ None of the above
138. What is the importance of balanced occlusion?
σ It avoids displacement of denture and help in its stability during functional and nonfunctional movements.
σ It helps in earlier repositioning of denture which becomes displaced during mastication.
σ It minimize period required for adaptation of patient to the denture due to its stability
σ All are correct.
139. Balanced occlusion can be achieved by using:?
σ Noncusp form teeth
σ Cusp form teeth.
σ Acrylic Teeth
σ Porcelain Teet
140. Factors of occlusion in complete denture:?
σ Inclination of condylar guidance.
σ Inclination of incisal guidance.
σ Cusp height
σ All are correct.
141. Which is not the advantage of Balanced Occlusion?
σ Penetration of food easily (good chewing efficiency).
σ Resistance to denture rotation (cusp interdigitation).
σ Better esthetic.
σ Increase horizontal forces.
142. Which is not the Disavantages of Balanced Occlusion?
σ When there is occlusion disharmony during setting, difficult to correct it by adjusting.
σ Act as guide for proper jaw closure.
σ Stable bases and precise jaw closure is required
σ Need adjustable articulators
143. Monoplane occlusion can be achieved by using:?
σ Noncusp form teeth.
σ Cusp form teeth
σ Acrylic Teeth
σ Porcelain Teeth
144. The labiodental sounds are?
σ F, V, Ph
σ S, Z, C
σ F, Z, S
σ F, V, S
145. The direction of resorption of the maxillary ridge is:?
σ Upwards and lingually
σ Upwards
σ Downwards and lingually
σ Downwards
146. The concept of balanced occlusion is applied primarily to:?
σ Complete dentures
σ Natural dentition
σ Fixed partial dentures
σ All of the above
147. The main purpose of boxing the impression is to:?
σ To give shape to base
σ To condense material
σ To avoid distortion of impression
σ Preserve the border width
148. For a balanced occlusion, when condylar inclination is increased, the compensating curve should be:?
σ Shallow
σ Decreased and flat
σ Reversed
σ Increased and prominent
149. It is the distance measured between two points when the occluding members (teeth or occlusal rims) are in contact. ?
σ Occlusal vertical dimension
σ Interocclusal distance
σ Interocclusal rest space
σ Rest vertical dimension
150. It is the distance between two selected points (one at the tip of nose and the other at the tip of chin in the mid line region) measured when the mandible is in the physiologic rest position.?
σ Occlusal vertical dimension
σ Interocclusal distance
σ Interocclusal rest space
σ Rest vertical dimension
151. It is the distance between the occluding surfaces of the maxillary and mandibular teeth when the mandible is in a specified position.?
σ Occlusal vertical dimension
σ Interocclusal distance
σ Interocclusal rest space
σ Rest vertical dimension
152. It is the distance between the occluding surface of maxillary and mandibular teeth when the mandible is in its physiological rest position. It is the difference between the vertical dimension of rest and the vertical dimension of occlusion. ?
σ Occlusal vertical dimension
σ Rest vertical dimension.
σ Interocclusal rest space
σ Interocclusal distance
153. Decreased vertical dimension provide: ?
σ Loss of biting power.
σ Nasolabial angle is less than 90°.
σ Angular chelitis due to folding of the corner of the mouth.
σ All of the above.
154. In cases of decrease vertical dimension, the nasolabial angle is less than:?
σ 10o
σ 30o
σ 60o
σ 90o
155. Which are in indirect methods to find occlusal vertical dimension:?
σ Facial measurements.
σ Tactile sense.
σ Phonetic.
σ All of the above.
156. To compare the occlusal plane of base rim and Camper’ s plane, we use:?
σ Length.
σ Width.
σ Patient preference.
σ All of the above.
157. To select the size of anterior teeth, we have to consider the:?
σ Willis gauge.
σ Fox plane.
σ Caliper.
σ All of the above.
158. The occlusion of opposing teeth when the mandible is in centric relation, it called:?
σ Maximal intercuspal position.
σ Centric occlusion.
σ Free Way space.
σ All of the above.
159. The relationship of the denture base that resists dislodgement of denture in horizontal direction is: ?
σ Stability
σ Pressure
σ Support
σ Retention
160. Denture bearing area of the ridge is :?
σ Non keratinized
σ Keratinized
σ Para keratinized
σ None of the above
161. The thickness of the spacer used in special tray is :?
σ 2.5 mm
σ 2.0 mm
σ 1.5 mm
σ 1.0 mm
162. The main purpose of covering the retromolar pad area is:?
σ A. Stability
σ Retention
σ Support
σ Contraction
163. Selective pressure impression technique is indicated in : ?
σ Firm healthy mucosal covering over the ridge
σ Flabby ridges
σ Knife edge with movable mucosa
σ When sharp bony spicules are present over the ridge
164. Emergency retentive force is : ?
σ Atmospheric pressure
σ Surface tension
σ Cohesion
σ Adhesion
165. An important factor that aids in stability of complete denture is :?
σ Harmonious occlusion
σ Propoer extension of denture bases
σ Polishing of denture bases
σ None of the above
166. The upper denture falls when the patient opens his mouth wide. This is due to:?
σ Thick labial flange
σ Over extended borders
σ Thick Disto buccal flange
σ Poor Peripheral Seal
167. Distolingual extension of the mandibular impression for a complete denture is limited by the action of : ?
σ Stylohyoid muscle
σ Medial pterygoid muscle
σ Lateral Pterygoid muscle
σ Superior Constrictor Muscle
168. Posterior Palatal Seal (PPS) anatomically is :?
σ Pterygomaxillary notches and Fovea Palatine
σ Pterygomaxillary notches and PNS
σ Maxillary tuberosity and Pterygomandibular Raphe
σ Posterior limit of palatine bone
169. Secondary peripheral seal area in mandible is provided by:?
σ Buccal Shelf
σ Anterior lingual Border
σ Retromolar pad
σ Crest of the ridge
170. Increased depth in posterior palatal seal area in mandible is provided by :?
σ Tingling sensation
σ Gagging
σ Increased retention
σ Unseating of denture base
171. The posterior palatal seal for a maxillary complete denture : ?
σ Is placed immmediately posterior to the vibrating line
σ Is placed immediately anterior to the vibrating line
σ Is not necessary if a metal base is made
σ Will vary in outline and depth according to the palatal form
172. The coronoid process : ?
σ Limits the extension of maxillary posterior teeth setting
σ Limits the thickness of the distobuccal flange of the upper complete denture
σ Limits the thickness of the distobuccal flange of the lower complete denture
σ Determines Posterior palatal seal
173. The function of the posterior palatal seal is:?
σ To aid in balanced occlusion
σ To aid in insertion and removal of complete denture
σ To ensure a complete seal thus helping in retention of a denture
σ Retention of mandibular denture by sealing its posterior margin
174. The buccal frenal attachment of mandibular denture should be trimmed and rounded to allow proper function of :?
σ Masseter
σ Buccinator
σ Triangularis
σ Zygomaticus major
175. Over extension of the posterior border of the denture causes:?
σ Gagging sensation
σ Epulis fissuration
σ Sagging of the corners of the mouth
σ All of the above
176. Distal palatal termination of the maxillary complete denture base is dictated by the: ?
σ Vibrating line
σ Fovea palatine
σ Tuberosity
σ Maxillary torus
177. Incorporation of peripheral seal in an impression is necessary to obtain : ?
σ Stability
σ Functionally moulded periphery
σ Harmonious occlusion
σ Posterior palatal seal
178. In determining the posterior limit of a maxillary denture base, which of the following is on the posterior border?
σ Hamular notch
σ Hamular process
σ Fovea palatine
σ Vibrating line
179. Vibrating line is on the : ?
σ Hard palate
σ Junction of the hard palate and soft palate
σ On soft palate
σ At the junction of the muscularis uvulae and palatine muscle
180. Post dam area serves mainly to:?
σ Preventing ingress of food and saliva beneath denture base
σ Preventing lifting away of denture during incising
σ Stabilize the denture
σ All of the above
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