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Periodontitic Prof Lin sokun 120-179

A modern dental clinic environment showcasing a dental professional performing scaling on a patient, with focused attention to periodontal treatment techniques and tools.

Essential Periodontal Skills Quiz

Test your knowledge on periodontal therapy and scaling techniques with this comprehensive quiz designed for dental professionals. Covering various aspects of periodontics, this quiz will help reinforce your understanding and ensure best practices in patient care.

60 multiple-choice questions
Focus on scaling and root planing techniques
Improve your clinical skills and knowledge

60 Questions15 MinutesCreated by BrushingBreeze101

120. A heavy ledge of calculus is most efficiently removed by e: edge of the ledge with which part of the cutting edge? :

σ� entire length

σ� lower third .

σ� middle third

σ� upper third

121. For complete removal of calculus on a proximal surface, strokes should be extended:

σ� to the cementoenamel junction.

σ� just under the gingiva.

σ� onto the lingual surface.

σ� at least halfway across the surface.

122. The most objective and reliable indication of successful scaling and root planing is:

σ� reduction of pocket depth.

σ� root smoothness.

σ� absence of plaque.

σ� lack of bleeding upon probing.

123. To position a curet for a vertical stroke on an anterior tooth, the handle of the instrument should be:

σ� parallel with the long axis of the tooth.

σ� perpendicular to the long axis of the tooth.

σ� lingual to the plane of the lingual surfaces.

σ� buccal to the plane of the lingual surfaces.

124. The opposite cutting edge of a curet blade that is adapted to the mesial surface is that edge that is:

σ� closest to the buccal surface.

σ� closest to the bottom of the pocket.

σ� next to the tooth.

σ� next to the tissue.

125. When scaling the distal surfaces of the posterior teeth with opposite cutting edge of the same blade that adapts to the r surfaces, the handle should be:

σ� parallel with the distal surface.

σ� perpendicular to the distal surface.

σ� parallel to the plane of the lingual surfaces.

σ� perpendicular to the occlusal surfaces.

126. The straight sickle should not be used for removal of:

σ� supragingival calculus on the linguals of the mandibular anteriors.

σ� stain and calculus in the fossae of the maxillary anteriors.

σ� supragingival calculus from the interproximals of the mandibular anteriors.

σ� subgingival calculus on the mandibular anteriors.

127. 4The modified sickle is designed primarily for use on the:

σ� interproximal of anterior teeth.

σ� lingual and buccal surfaces.

σ� lingual calculus on mandibular anteriors.

σ� interproximals of posterior teeth.

128. A serious limitation of the hoes is that they:

σ� are not designed for heavy calculus removal.

σ� only adapt to buccal and mesial surfaces.

σ� cannot be sharpened frequently.

σ� cannot be adapted to curved tooth surfaces.

129. How many working ends of a hoe are needed to make a complete s that will adapt to all tooth surfaces?:

σ� one

σ� two

σ� three

σ� four

σ� six

130. Hoes are most effectively used on:

σ� buccal and lingual surfaces and proximal surfaces adjacent to edentulous areas,

σ� any proximal surface,

σ� all surfaces of all the teeth,

σ� lingual surfaces of the mandibular anteriors.

131. Which of the following factors restricts the use of the file to supragingival areas or subgingival areas where the tissue is easily displaced?:

σ� size of the blade

σ� straight cutting edges

σ� limited tactile sensitivity

σ� sharp corners on blade

σ� all of the above

132. The primary function of the file is to :

σ� remove heavy supragingival calculus.

σ� fracture heavy tenacious calculus.

σ� completely remove heavy subgingival calculus.

σ� root plane.

133. Which of the following is not true of the file?:

σ� It has a series of straight cutting edges.

σ� Its working end is an extension of the shank.

σ� Its cutting edges may be at 90° to 105° to the base of the shank.

σ� It has only one type of design for the base.

134. Calculus roughened by the file should be subsequently removed with the:

σ� hoe.

σ� curet.

σ� straight sickle.

σ� modified sickle.

135. The ultrasonic sealer only dislodges calculus that:

σ� is already loose.

σ� is in direct contact with the tip.

σ� has been formed recently.

σ� is located on the interproximal surfaces.

136. The ultrasonic tip should not be allowed to remain on the tooth surface too long because it will:

σ� damage the tooth surface.

σ� burnish the calculus onto the tooth surface.

σ� stop the vibration of the tip.

σ� all of the above.

137. Which of the following features of the ultrasonic scaling device does not contribute directly or indirectly to the impairment of tactile sensitivity? :

σ� the blunt tip

σ� bulky design ,

σ� vibrational energy.

σ� water spray

138. After scaling with the ultrasonic sealer, when should you follow with the use of the curet?:

σ� rarely, it is unnecessary

σ� only when you don't have time to finish with the ultrasonic

σ� always, to insure complete removal of the calculus .

σ� only when requested by the patient

139. The best grasp to use when holding an instrument to be sharpened is the:

σ� pen grasp.

σ� modified pen grasp.

σ� palm grasp.

σ� third-finger grasp.

140. A wire edge is produced:

σ� only when using a coarse artificial stone.

σ� when the last stroke of the stone is drawn away from the cutting edge.

σ� when using a mounted ruby stone only.

σ� when no oil is used for lubrication of the stone.

141. A sludge of metal shavings and oil that develops on the face of the blade indicates that:

σ� the cutting edge may be sharp.

σ� too much oil is being used to lubricate the stone.

σ� too much pressure is being applied with the sharpening stone.

σ� the stone is being held at an incorrect angulation.

142. Although all of the following procedures may be necessary phases of periodontal therapy, which of these is absolutely essential for successful treatment and a favorable prognosis?:

σ� thorough scaling, root planing and curettage

σ� final evaluation and maintenance on a three-month recall

σ� periodontal surgery for pocket elimination

σ� elimination of local etiologic factors through plaque control instruction, and reinforcement at each appointment .

143. The most effective time to give plaque control instructions on any scaling appointment is:

σ� before periodontal exam and charting.

σ� after examination and before scaling.

σ� after scaling and before polishing.

σ� after scaling and polishing.

σ� the sequence is not important.

144. Teeth in the region should be scaled before:

σ� plaque control instruction is begun.

σ� doing any emergency restoration or endodontics.

σ� the treatment plan is developed.

σ� probing.

145. Reevaluation of the response to removal of local etiologic factors should be performed:

σ� throughout the initial preparation stage.

σ� at the end of the initial therapy phase.

σ� only during the maintenance phase.

σ� only when the patient requests it.

146. Before establishing a treatment plan for scaling and root planing it is essential to determine the:

σ� location and depth of pockets.

σ� presence of furcations.

σ� condition of the tissue.

σ� location, nature, and extent of the calculus deposits.

σ� All of the above.

147. When oral hygiene instruction is given during a scaling appointment, it should:

σ� follow scaling of the sextant or quadrant.

σ� precede instrumentation.

σ� only be performed when the patient requests it.

σ� none of the above; oral hygiene should only be taught as a separate series of plaque control appointments.

148. During a sequence of scaling appointments the most advantageous approach is to:

σ� scale the entire mouth at each appointment.

σ� only give anesthesia for areas of depth over 6 mm.

σ� thoroughly scale and root plane a designated segment to completion.

σ� anesthetize the entire mouth.

149. A separate initial appointment for gross scaling:

σ� is necessary only for patients with extensive and extremely heavy deposits which interfere with oral hygiene procedures.

σ� should be included in all treatment plans.

σ� is never indicated in a segmented treatment plan.

σ� should be performed with an ultrasonic sealer under local anesthesia.

150. The sequence in which quadrants or sextants are scaled in a series of appointments:

σ� does not matter.

σ� depends upon the patient's needs.

σ� is the same in every case.

σ� should always begin with the most severely involved area.

151. Signs of inflammation with probings that do not extend beyond the cementoenamel junction establish a diagnosis of:

σ� periodontitis.

σ� gingivitis.

σ� marginal inflammation.

σ� acute inflammation.

152. When bone is lost evenly and uniformly around several teeth it is referred to as:

σ� gingivitis.

σ� occlusal traumatism.

σ� horizontal bone loss.

σ� vertical bone loss.

153. Determination of the shape and extent of defects in the alveolar bone can be made by:

σ� direct inspection during periodontal surgery

σ� sounding through the gingiva.

σ� conventional probing methods.

σ� all of the above.

154. In a fully erupted tooth with healthy gingiva, the apical end of the junctional epithelium is located:

σ� in the cervical third of the crown.

σ� at the cementoenamel junction.

σ� 1.5 mm below the cementoenamel junction.

σ� at the cervical third of the root.

155. The most constant dimensional relationship in the periodontium is:

σ� the width of the periodontal ligament space.

σ� the amount of attached gingiva.

σ� the connective tissue attachment.

σ� the distance between the cementoenamel junction and the crest of the alveolar bone.

156. The explorer should be inserted with a:

σ� short, oblique stroke.

σ� vertical pushing motion.

σ� short, pushing motion.

σ� plunging vertical stroke.

157. If calculus at the junctional epithelium is not detected and removed, the periodontal disease process will continue because the calculus:

σ� is rough.

σ� harbors bacterial plaque.

σ� irritates the tissue.

σ� decomposes.

158. Rolling the handle of the explorer between the thumb and fingers is important because it:

σ� is a key to adapting the working end around line angles and in depressions.

σ� strengthens the finger muscles.

σ� can cause laceration of the tissue.

 decreases tactile sensitivity.

159. A very tight grasp will:

σ� increase tactile sensitivity. v

σ� prevent muscle fatigue of the fingers.

σ� increase maneuverability of the instrument.

σ� decrease tactile sensitivity.

160. Incorrect adaptation of the tip as shown above would result in:

σ� gouging of the root surface.

σ� failure to detect calculus.

σ� laceration of the tissue with the tip.

σ� altering the line angle of the tooth.

161. The process by which residual calculus and portions of cementum or dentin are removed to produce a smooth hard root surface is:

σ� gross scaling.

σ� root planing.

σ� subgingival scaling.

σ� supragingival scaling.

162. Root planing reduces residual inflammation following subgingival scaling by:

σ� elimination of plaque and calculus.

σ� removal of altered cementum.

σ� enhancing patients' plaque control.

σ� all of the above.

163. The primary objective of scaling and root planing is to:

σ� remove all the cementum.

σ� cause shrinkage of gingival tissues.

σ� create glasslike root surfaces.

σ� restore gingival tissues to health.

164. The most effective and versatile instrument for root planing is the:

σ� sickle.

σ� curet.

σ� file.

σ� ultrasonic scaling device.

165. A "heavy" set of curets should be reserved for patients with:

σ� moderate calculus and tight, fibrotic tissue.

σ� light calculus and firm, non-retractable tissue.

σ� heavy calculus and retractable tissue.

σ� burnished calculus in deep, narrow pockets.

166. A good finger rest or hand rest must be located to allow:

σ� wrist-forearm motion.

σ� parallelism of the handle or shank.

σ� optimal working angulation.

σ� a "built-up" fulcrum.

σ� all of the above

167. A conventional intraoral finger rest with a "built-up" fulcrum is difficult to establish in what region of the mouth?:

σ� mandibular anterior

σ� maxillary posterior .

σ� mandibular posterior

σ� maxillary anterior

σ� none of the above

168. Adequate stabilization for an extraoral hand rest can be achieved by keeping:

σ� as much of the hand as possible against the mandible.

σ� the pad of the ring finger on the chin.

σ� your upper arm against your body.

σ� "built-up" fulcrum.

169. The two types of wrist-forearm motion are:

σ� parallel and perpendicular.

σ� side-to-side and down-and-up.

σ� vertical and horizontal.

σ� intraoral and extraoral.

170. A heavy ledge of calculus is most efficiently removed by engaging the edge of the ledge with which part of the cutting edge?:

σ� entire length

σ� lower third

σ� middle third

σ� upper third

171. In order to open the angulation of a curet blade in relation to the tooth surface, the shank must be moved:

σ� Toward the tooth.

σ� Away from the tooth.

σ� More parallel to the long axis.

σ� More perpendicular to the long axis.

172. In order to close the angulation of a curet blade in relation to the tooth surface, the shank must be moved:

σ� Toward the tooth.

σ� Away from the tooth.

σ� More parallel to the long axis.

σ� More perpendicular to the long axis.

173. On lingual surfaces, proper working angulation is achieved by positioning the handle so that it is:

σ� buccal to the plane of the lingual surfaces.

σ� in line with or lingual to the plane of the lingual surfaces.

σ� parallel to the occlusal surfaces.

σ� perpendicular to the long axis of the tooth.

174. The most common disease found in the embalmed bodies of ancient Egyptians:

σ� Rickets

σ� Arthritis

σ� Periodontal disease

σ� Dental caries

175. Which ancient medical book recommended cleaning the teeth twice a day with an astringent stick that has been chewed into a brush form:

σ� Eberus papyrus

σ� Edwin Smith surgical papyrus

σ� Sushrutha Samhita

σ� Charaka Samhita

176. Who described scaling of teeth with a sophisticated set of instruments in 10th century itself:  Plato

σ� Plato

σ� Etruscans

σ� Ibn Sina

σ� Abul-Qasim

177. Who was the first person to describe oral bacterial flora from a sample of material taken from his own gingival tissue:

σ� Anton Von Leuwenhoek

σ� Eustachius

σ� Pierre Fauchard

σ� Glickman

178. Levi Spear Parmly is :

σ� The father of oral hygiene

σ� Inventor of dental floss

σ� Both of the above

σ� None of the above

179. Who was the first dentist to practiceonlyPeriodontitics:

σ� Glickman

σ� Carranza

σ� John W Riggs

σ� Pierre Fauchard

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