Periodontics MCQ Review for SLE

Practice questions covering periodontics concepts, clinical procedures, anatomy, and oral hygiene techniques based on the Saudi Licensing Exam review notes.

What is the primary treatment for gingival trauma caused by faulty oral hygiene?

To advise the patient to change their faulty oral hygiene habits immediately.

Which of the following statement is true regarding dental calculus:

A. It is composed entirely of inorganic material.

B. It is dens in nature and has a rough surface.

C. It is mineralized dental plaque.

B&C only.

Overhanging restoration margins should be removed because:

A. It provides ideal location for plaque accumulation.

B. It tears the gingival fibers leading to attachment loss.

C. Stimulate inflammatory reaction directly.

D. Its removal permits more effective plaque control.

A & D.

Main use of dental floss:

Remove bacterial plaque.

What is the benefit of rinsing the mouth with water:.

Washing the food debris.

What is the benefit of rinsing the mouth with water:

Dilute the concentration of bacteria.

The water reins devices for periodontal therapy has a main goal which is:

Dilute bacterial toxin.

Calculus induce further periodontal lesion due to:

More plaque adhere to it.

Floss used to:

Remove Interproximal plaque.

Plaque consists of:

Bacteria.

To prevent perio problem MOST effective method is:

Removal of plaque.

Caries consist of:

Bacteria.

Acute periodontal abscess:

Swelling enlargement in tooth site.

Tooth brushing and dental floss help in community prevention of periodontal disease:

True.

Subgingivally scaling and root planning is done by:

Gracey Curette.

Chronic suppurative periodontitis:

Fistula with drain.

Currently the only effective preventive measure for periodontal disease (apart from limited use of antiseptic solutions) is:

Regular and rough removal of dental plaque.

Periodontal ligament fibers in the middle third of the root is:

Oblique.

Which of the following statement is true for the reported relationship of periodontal disease and diabetes mellitus:

The prevalence of periodontal disease increase with the advancing age of the diabetic.

Chlorhexidine is used as mouth wash in the concentration of:

0.1-0.2 %.

Cementum in cervical 2/3 have:

A Cellular extrinsic fiber.

Supra calculus all true EXCEPT:

Hard and rough.

Important factor in long term success of perio treatment:

Perio maintenance.

Which causes gingival enlargement:

A. Phenytoin.

B. Cyclosporines.

C. Nifedipine.

All of the above.

Cementum is formed from:

Cementoblasts.

Teeth have convexity in buccal and lingual:

Upper premolars.

Main disadvantage of Chlorhexidine:

Staining

The best method for tooth brush is Bass method because:

A. It enter to interproximal area

B. Can be used by patient with gingival recession and it rotainary advice to all types of patients.

The both sentences are correct.

Bass brushing has the advantage of the bristles enters in the cervical area , and it is recommended for all patients:

Both statements are true.

Patient comes to you with edematous gingiva, inflamed, loss of gingival contour and recession, what's the best tooth brushing technique?

Modified stillman.

The best method to protect teeth that underwent bicuspidization procedure from fracture?

Full crown.

Sharpening the curette and sickle, the cutting edge should be at angle:

70-80.

Gingival condition occur in young adult has good oral hygiene was weakened:

ANUG.

The aim of maintain therapy/ treatment maintenance is:

Prevent secondary infection.

To remove a broken periodontal instrument from the gingival sulcus:

Schwartz Periotrievers.

An 18 years old Pt present complaining of pain, bad breath and bleeding gingival. This began over the weakened while studying for the final exam. The Pt may have which of the following conditions:

Acute necrotizing ulcerative gingivitis.

Differences between ANUG and AHGS is:

All of the above.

Student, came to clinic with severe pain, interdental papilla is inflamed, student has exams, heavy smoker, poor nutrition:

ANUG.

Proxy brush with which type of furcation:

Furcation Grade 3.

Contraindication of Gingivectomy:

Periodontal abscess.

Sharping of hand instrument mounted air driven better than unmounted due to:

Fine grift.

Unmounted sharpening instruments are better than mounted because:

Less particles of the instruments are removed.

Electro surgery rate:

1.5 – 7.5 million cycle per seconds.

Main reason for surgical pocket therapy:

Expose the roots for scaling and root planning.

Biological width:

2 mm.

Biological depth:

Crestal bone to gingival sulcus.

What are the differences between a Gracey curette and a universal curette?

Gracey curettes have one cutting edge, are area-specific, and are offset at $60-70^\circ$, while universal curettes have two cutting edges, can be used in any area, and are not offset ($90^\circ$).

Which four tissues comprise the periodontium?

Gingiva, Periodontal Ligament (PDL), alveolar bone, and cementum.