2/3 periodontitis prof: lim sokun
Understanding Periodontitis: A Comprehensive Quiz
Test your knowledge on periodontitis and periodontal care with our extensive 100-question quiz designed for dental professionals and students alike. This quiz covers topics such as periodontal anatomy, diagnostic techniques, and instrumentation, ensuring that you gain a well-rounded understanding of periodontal health.
- 100 Multiple Choice Questions
- Covers a wide range of periodontitis-related topics
- Ideal for dental students and practitioners
Resorption of cementum may occur in:
σ½ erupted tooth
σ½ partially erupted tooth
σ½ unerupted tooth
σ¾ all of the above.
. Sulcular fluid is:
an inflammatory exudate.
σ½ a transudate
σ½ derived from saliva
σ½ none of the above
The design feature of the curet that allows it to be used in the deepest area of the sulcus or pocket with the least tissue distention is the:
σ¾ convex back.
σ½ opposite cutting edge.
σ½ face.
σ½ rounded toe.
. A (universal) curet is called that because it:
σ½ is used all over the U.S.
σ½ has one cutting edge.
σ½ is most effective in the removal of calculus.
σ¾ adapts to all surfaces of the teeth.
A curet designed to scale and root plane anterior teeth with deep Pockets will have a:
σ½ short,angled shank.
σ½ long, angled shank.
σ½ short, straight shank.
σ¾ long,straight shank.
The best diagnostic sign of gingival inflammation is:
σ½ retractability
σ½ edema
σ½ cratering.
σ½ texture
σ¾ bleeding
The most reliable means of detecting periodontal pockets:
σ½ visual examination.
σ½ radiographic examination.
σ½ testing for mobility of teeth
σ¾ probing
. Gingival Inflammation Involving the entire attached gingiva Is tarmodi :
σ½ papillary
σ¾ diffuse
σ½ marginal
σ½ generalized
σ½ severe
The mesial furcation of the upper molars is located:
in the buccal one-third of the root surface.
σ½ at the junction of the buccal and middle thirds of the root.
σ½ more nearly in the center of the tooth.
σ¾ more toward the lingual than the distal furcation.
Pockets extending into areas of vertical bone loss are called:
σ½ pseudo pockets.
σ½ suprabony pockets.
σ¾ infrabony pockets.
σ½ alveolar pockets.
The reflection of light from the lingual aspect through the teeth as they are examined from the buccal aspect is called:
σ½ indirect vision.
σ½ direct vision.
σ½ illumination.
σ¾ transillumination.
The modified pen grasp is distinguished from other grasps because:
σ½ the thumb, middle and ring finger are used.
σ¾ the pad of the middle finger is placed on the shank.
σ½ the index finger is placed on the shank.
σ½ d. The side of the middle finger is placed against the shank.
The best way to examine the dorsum of the tongue is to:
σ½ ask patient to say "ah" and depress tongue with mouth mirror.
σ½ use a dental mirror for indirect vision.
σ¾ extend the tongue fully by grasping with a dry gauze square and use direct vision.
σ½ palpate between the thumb and index finger.
The submandibular salivary glands are best examined by:
σ½ indirect vision in the mirror.
σ½ asking the patient to lift the tongue up and back.
σ½ transillumination.
σ¾ bimanual palpation.
The results of the extraoral and intraoral examination should be recorded in the patient's chart whenever:
σ½ findings are normal.
σ½ findings are abnormal.
σ½ a precancerous lesion is found.
σ¾ it is performed, regardless of findings.
The characteristic of the instrument handle which provides the best tactile sensitivity is:
σ½ diameter size.
σ¾ a hollow handle.
σ½ a solid handle.
σ½ a scored surface texture.
. When using the periodontal probe, depths are measured from the:
σ½ base of the pocket to the cementoenamel junction.
σ½ base of the pocket to the mucogingival junction.
σ¾ junctional epithelium to the margin of the free gingiva.
σ½ free gingival margin to the cementoenamel junction.
Gingival Inflammation involving the entire attached gingiva is termed :
σ½ papillary,
σ¾ diffuse,
σ½ marginal.
σ½ generalized.
Narrow "slit-like" areas of recession over the roots are called:
σ½ festoons.
σ¾ clefts.
σ½ craters
σ½ fenestrations
A heavy ledge of calculus is most efficiently removed by e: edge of the ledge with which part of the cutting edge? :
σ½ entire length
σ¾ lower third .
σ½ middle third
σ½ upper third
For complete removal of calculus on a proximal surface, strokes should be extended:
σ½ to the cementoenamel junction.
σ½ just under the gingiva.
σ½ onto the lingual surface.
σ¾ at least halfway across the surface.
The most objective and reliable indication of successful scaling and root planing is:
σ½ reduction of pocket depth.
σ½ root smoothness.
σ½ absence of plaque.
σ¾ lack of bleeding upon probing.
To position a curet for a vertical stroke on an anterior tooth, the handle of the instrument should be:
σ¾ parallel with the long axis of the tooth.
σ½ perpendicular to the long axis of the tooth.
σ½ lingual to the plane of the lingual surfaces.
σ½ buccal to the plane of the lingual surfaces.
The opposite cutting edge of a curet blade that is adapted to the mesial surface is that edge that is:
σ½ closest to the buccal surface.
σ½ closest to the bottom of the pocket.
σ½ next to the tooth.
σ¾ next to the tissue.
. 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:
σ½ parallel with the distal surface.
σ¾ perpendicular to the distal surface.
σ½ parallel to the plane of the lingual surfaces.
σ½ perpendicular to the occlusal surfaces.
. The straight sickle should not be used for removal of:
σ½ supragingival calculus on the linguals of the mandibular anteriors.
σ½ stain and calculus in the fossae of the maxillary anteriors.
σ½ supragingival calculus from the interproximals of the mandibular anteriors.
σ¾ subgingival calculus on the mandibular anteriors.
4The modified sickle is designed primarily for use on the:
σ½ interproximal of anterior teeth.
σ½ lingual and buccal surfaces.
σ½ lingual calculus on mandibular anteriors.
σ¾ interproximals of posterior teeth.
. A serious limitation of the hoes is that they:
σ½ are not designed for heavy calculus removal.
σ½ only adapt to buccal and mesial surfaces.
σ½ cannot be sharpened frequently.
σ¾ cannot be adapted to curved tooth surfaces.
How many working ends of a hoe are needed to make a complete s that will adapt to all tooth surfaces?:
σ½ one
σ½ two
σ½ three
σ¾ four
σ½ six
Hoes are most effectively used on:
σ¾ buccal and lingual surfaces and proximal surfaces adjacent to edentulous areas,
σ½ any proximal surface,
σ½ all surfaces of all the teeth,
σ½ lingual surfaces of the mandibular anteriors.
Which of the following factors restricts the use of the file to supragingival areas or subgingival areas where the tissue is easily displaced?:
σ½ size of the blade
σ½ straight cutting edges
σ½ limited tactile sensitivity
σ½ sharp corners on blade
σ¾ all of the above
The primary function of the file is to :
σ½ remove heavy supragingival calculus.
σ¾ fracture heavy tenacious calculus.
σ½ completely remove heavy subgingival calculus.
σ½ root plane.
Which of the following is not true of the file?:
σ½ It has a series of straight cutting edges.
σ½ Its working end is an extension of the shank.
σ½ Its cutting edges may be at 90° to 105° to the base of the shank.
σ¾ It has only one type of design for the base.
Calculus roughened by the file should be subsequently removed with the:
σ½ hoe.
σ¾ curet.
σ½ straight sickle.
σ½ modified sickle.
The ultrasonic sealer only dislodges calculus that:
σ½ is already loose.
σ¾ is in direct contact with the tip.
σ½ has been formed recently.
σ½ is located on the interproximal surfaces.
. The ultrasonic tip should not be allowed to remain on the tooth surface too long because it will:
σ¾ damage the tooth surface.
σ½ burnish the calculus onto the tooth surface.
σ½ stop the vibration of the tip.
σ½ all of the above.
Which of the following features of the ultrasonic scaling device does not contribute directly or indirectly to the impairment of tactile sensitivity? :
σ½ the blunt tip
σ½ bulky design ,
σ¾ vibrational energy.
σ½ water spray
. After scaling with the ultrasonic sealer, when should you follow with the use of the curet?:
σ½ rarely, it is unnecessary
σ½ only when you don't have time to finish with the ultrasonic
σ¾ always, to insure complete removal of the calculus .
σ½ only when requested by the patient
The best grasp to use when holding an instrument to be sharpened is the:
σ½ pen grasp.
σ½ modified pen grasp.
σ¾ palm grasp.
σ½ third-finger grasp.
A wire edge is produced:
σ½ only when using a coarse artificial stone.
σ¾ when the last stroke of the stone is drawn away from the cutting edge.
σ½ when using a mounted ruby stone only.
σ½ when no oil is used for lubrication of the stone.
A sludge of metal shavings and oil that develops on the face of the blade indicates that:
σ¾ the cutting edge may be sharp.
σ½ too much oil is being used to lubricate the stone.
σ½ too much pressure is being applied with the sharpening stone.
σ½ the stone is being held at an incorrect angulation.
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?:
σ½ thorough scaling, root planing and curettage
σ½ final evaluation and maintenance on a three-month recall
σ½ periodontal surgery for pocket elimination
σ¾ elimination of local etiologic factors through plaque control instruction, and reinforcement at each appointment .
The most effective time to give plaque control instructions on any scaling appointment is:
σ½ before periodontal exam and charting.
σ¾ after examination and before scaling.
σ½ after scaling and before polishing.
σ½ after scaling and polishing.
σ½ the sequence is not important.
Teeth in the region should be scaled before:
σ½ plaque control instruction is begun.
σ¾ doing any emergency restoration or endodontics.
σ½ the treatment plan is developed.
σ½ probing.
. Reevaluation of the response to removal of local etiologic factors should be performed:
σ¾ throughout the initial preparation stage.
σ½ at the end of the initial therapy phase.
σ½ only during the maintenance phase.
σ½ only when the patient requests it.
Before establishing a treatment plan for scaling and root planing it is essential to determine the:
σ½ location and depth of pockets.
σ½ presence of furcations.
σ½ condition of the tissue.
σ½ location, nature, and extent of the calculus deposits.
σ¾ All of the above.
When oral hygiene instruction is given during a scaling appointment, it should:
σ½ follow scaling of the sextant or quadrant.
σ¾ precede instrumentation.
σ½ only be performed when the patient requests it.
σ½ none of the above; oral hygiene should only be taught as a separate series of plaque control appointments.
. During a sequence of scaling appointments the most advantageous approach is to:
σ½ scale the entire mouth at each appointment.
σ½ only give anesthesia for areas of depth over 6 mm.
σ¾ thoroughly scale and root plane a designated segment to completion.
σ½ anesthetize the entire mouth.
A separate initial appointment for gross scaling:
σ¾ is necessary only for patients with extensive and extremely heavy deposits which interfere with oral hygiene procedures.
σ½ should be included in all treatment plans.
σ½ is never indicated in a segmented treatment plan.
σ½ should be performed with an ultrasonic sealer under local anesthesia.
The sequence in which quadrants or sextants are scaled in a series of appointments:
σ½ does not matter.
σ¾ depends upon the patient's needs.
σ½ is the same in every case.
σ½ should always begin with the most severely involved area.
. Signs of inflammation with probings that do not extend beyond the cementoenamel junction establish a diagnosis of:
σ½ periodontitis.
σ¾ gingivitis.
σ½ marginal inflammation.
σ½ acute inflammation.
When bone is lost evenly and uniformly around several teeth it is referred to as:
σ½ gingivitis.
σ½ occlusal traumatism.
σ¾ horizontal bone loss.
σ½ vertical bone loss.
Determination of the shape and extent of defects in the alveolar bone can be made by:
σ½ direct inspection during periodontal surgery.
σ½ sounding through the gingiva.
σ½ conventional probing methods.
σ¾ all of the above.
In a fully erupted tooth with healthy gingiva, the apical end of the junctional epithelium is located:
σ½ in the cervical third of the crown.
σ¾ at the cementoenamel junction.
σ½ 1.5 mm below the cementoenamel junction.
σ½ at the cervical third of the root.
. The most constant dimensional relationship in the periodontium is:
σ½ the width of the periodontal ligament space.
σ½ the amount of attached gingiva.
σ¾ the connective tissue attachment.
σ½ the distance between the cementoenamel junction and the crest of the alveolar bone.
The explorer should be inserted with a:
σ¾ short, oblique stroke.
σ½ vertical pushing motion.
σ½ short, pushing motion.
σ½ plunging vertical stroke.
If calculus at the junctional epithelium is not detected and removed, the periodontal disease process will continue because the calculus:
σ½ is rough.
σ¾ harbors bacterial plaque.
σ½ irritates the tissue.
σ½ decomposes.
Rolling the handle of the explorer between the thumb and fingers is important because it:
σ¾ is a key to adapting the working end around line angles and in depressions.
σ½ strengthens the finger muscles.
σ½ can cause laceration of the tissue.
σ½ decreases tactile sensitivity.
. A very tight grasp will:
σ½ increase tactile sensitivity.
σ½ prevent muscle fatigue of the fingers.
σ½ increase maneuverability of the instrument.
σ¾ decrease tactile sensitivity.
Incorrect adaptation of the tip as shown above would result in:
σ½ gouging of the root surface.
σ½ failure to detect calculus.
σ¾ laceration of the tissue with the tip.
σ½ altering the line angle of the tooth.
. The process by which residual calculus and portions of cementum or dentin are removed to produce a smooth hard root surface is:
σ½ gross scaling.
σ¾ root planing.
σ½ subgingival scaling.
σ½ supragingival scaling.
. Root planing reduces residual inflammation following subgingival scaling by:
σ½ elimination of plaque and calculus.
σ½ removal of altered cementum.
σ½ enhancing patients' plaque control.
σ¾ all of the above.
The primary objective of scaling and root planing is to:
σ½ remove all the cementum.
σ½ cause shrinkage of gingival tissues.
σ½ create glasslike root surfaces.
σ¾ restore gingival tissues to health.
. The most effective and versatile instrument for root planing is the:
σ½ sickle.
σ¾ curet.
σ½ file.
σ½ ultrasonic scaling device.
165. A "heavy" set of curets should be reserved for patients with:
σ½ moderate calculus and tight, fibrotic tissue.
σ½ light calculus and firm, non-retractable tissue.
σ¾ heavy calculus and retractable tissue.
σ½ burnished calculus in deep, narrow pockets.
. A good finger rest or hand rest must be located to allow:
σ½ wrist-forearm motion.
σ½ parallelism of the handle or shank.
σ½ optimal working angulation.
σ½ a "built-up" fulcrum.
σ¾ all of the above
A conventional intraoral finger rest with a "built-up" fulcrum is difficult to establish in what region of the mouth?:
σ½ mandibular anterior
σ¾ maxillary posterior .
σ½ mandibular posterior
σ½ maxillary anterior
σ½ none of the above
Adequate stabilization for an extraoral hand rest can be achieved by keeping:
σ¾ as much of the hand as possible against the mandible.
σ½ the pad of the ring finger on the chin.
σ½ your upper arm against your body.
σ½ "built-up" fulcrum.
The two types of wrist-forearm motion are:
σ½ parallel and perpendicular.
σ¾ side-to-side and down-and-up.
σ½ vertical and horizontal.
σ½ intraoral and extraoral.
A heavy ledge of calculus is most efficiently removed by engaging the edge of the ledge with which part of the cutting edge?:
σ½ entire length
σ¾ lower third .
σ½ middle third
σ½ upper third
In order to open the angulation of a curet blade in relation to the tooth surface, the shank must be moved:
σ½ Toward the tooth.
σ¾ Away from the tooth.
σ½ More parallel to the long axis.
σ½ More perpendicular to the long axis.
. In order to close the angulation of a curet blade in relation to the tooth surface, the shank must be moved:
σ¾ Toward the tooth.
σ½ Away from the tooth.
σ½ More parallel to the long axis.
σ½ More perpendicular to the long axis.
On lingual surfaces, proper working angulation is achieved by positioning the handle so that it is:
σ½ buccal to the plane of the lingual surfaces.
σ¾ in line with or lingual to the plane of the lingual surfaces.
σ½ parallel to the occlusal surfaces.
σ½ perpendicular to the long axis of the tooth.
The most common disease found in the embalmed bodies of ancient Egyptians:
σ½ Rickets
σ½ Arthritis
σ¾ Periodontal disease
σ½ Dental caries
. Which ancient medical book recommended cleaning the teeth twice a day with an astringent stick that has been chewed into a brush form:
σ½ Eberus papyrus
σ½ Edwin Smith surgical papyrus
σ½ Sushrutha Samhita
σ¾ Charaka Samhita
Who described scaling of teeth with a sophisticated set of instruments in 10th century itself:
σ½ Plato
σ½ Etruscans
σ½ Ibn Sina
σ¾ Abul-Qasim
Who was the first person to describe oral bacterial flora from a sample of material taken from his own gingival tissue:
σ½ Anton Von Leuwenhoek
σ½ Eustachius
σ¾ Pierre Fauchard
σ½ Glickman
Levi Spear Parmly is :
σ½ The father of oral hygiene
σ½ Inventor of dental floss
σ¾ Both of the above
σ½ None of the above
Who was the first dentist to practiceonlyPeriodontitics:
σ½ Glickman
σ½ Carranza
σ¾ John W Riggs
σ½ Pierre Fauchard
The main function of gingiva is :
σ½ Attaching the tooth to alveolar bone
σ¾ Protection of underlying tissues
σ½ Providing blood supply to teeth
σ½ Taking the brunt of mastication
Cases that show free gingival groove are:
σ½ 30%
σ½ 20%
σ½ 40%
σ¾ 50%
Under absolutely normal conditions,the depth gingival sulcus is about:
σ¾ 0mm
σ½ 1mm
σ½ 2mm
σ½ 3mm
. The attached gingiva is attached to:
σ½ a-Root
σ½ b-Periosteum
σ¾ c-Both of the above
σ½ d-None of the above
The width of attached gingiva is the distance between:
σ½ Bottom of gingival sulcus to MG junction
σ½ Bottom of periodontal pocket to MG junction
σ¾ Both of the above are correct
σ½ None of the above are correct
. 12Which of the following is absent in parakeratinized gingiva:
σ½ Stratum corneum
σ¾ Stratum granulosum
σ½ Stratum spinosum
σ½ Stratum basale
Gingival basal lamina is permeable to:
σ¾ Fluids
σ½ Particulate metter
σ½ Both of the above
σ½ None of the above
Which of the following dose not increase the flow of crevicular fluid:
σ½ Inflammation
σ¾ Trauma from occlusion
σ½ Smoking
σ½ Brushing
15The main route of entry of leukocytes into oral Cavity is through:
σ½ Saliva
σ¾ GCF
σ½ Pharynx
σ½ Larynx
. 16Which of the following is found in acellular Afibrillar cementum:
σ½ Cells
σ½ Extrinsic collagen
σ½ Intrinsic collagen
σ¾ None of the above
Intermediate cementum is found over the surface of :
σ½ Enamel
σ¾ Dentin
σ½ Cementum
σ½ Cementoenamel junction
. The increase in thickness of cementum with aging is greater:
σ½ Coronally
σ¾ Apically
σ½ Labially
σ½ At midroot level
Which of the following is not a significant risk factor for periodontal disease:
σ½ Diabetes
σ½ Smoking
σ¾ Aging
σ½ Poor oral hygiene
Significant serum antibody response to specific Plaque organisms is found in:
σ½ Localized form of chronic periodontitis
σ½ Generalized from of chronic periodontitis
σ¾ Localized from of aggressive periodontitis
σ½ Generalized from of aggressive periodontitis
21The periodontal pathogenicity of Actinobacillus Actonomycetemcomitans is primarily attributed to its Production of:
σ½ Collagenase
σ½ Hyluronidase
σ¾ Leukotoxin
σ½ Platelet aggregation factor
Alterations of gingival contours are mostly Associated with:
σ½ Recession
σ½ Atrophy
σ¾ Enlargement
σ½ Desquamation
Stillman’s clefts are caused by:
σ¾ Inflammation
σ½ Trauma from occlusion
σ½ Genetic factors
σ½ Developmental defects
In maintainance phase of oral pemphigus, oral Prophlaxis should be preceeded by intake of:
σ½ Antibiotic
σ¾ Prednisone
σ½ Vitamins
σ½ Analgesics
Drug induced gingival enlargement is more severe in:
σ¾ Anterior region
σ½ Premolar region
σ½ Molar region
σ½ Edentulous areas
26After discontinuation of causative drug, the gingival enlargement undergoes spontaneous disappearance within few:
σ½ Days
σ½ Weeks
σ¾ Months
σ½ Years
. Lobulated mulberry-shaped gingival enlargement is characteristic of :
σ½ Inflammatory gingival enlargement
σ¾ Drug-induced ingival enlargement
σ½ Combined gingival enlargement
σ½ All of the above
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