Deck 5: Local Contributory Factors for the Periodontal Diseases

Question 1

Which of the following injuries to the periodontium is considered to be chemical?

A)Toothbrush trauma
B)Nail scratching
C)Aspirin tablets
D)Food impaction
E)Overhanging restoration

Answer 1

Aspirin tablets

Question 2

On which of the following teeth is a palatogingival groove most commonly seen?

A)Maxillary canine
B)Maxillary lateral incisor
C)Mandibular central incisor
D)Mandibular canine
E)Mandibular first molar

Answer 2

Maxillary lateral incisor

Question 3

All of the following are local contributing factors for periodontal diseases except one. Which one is the exception?

A)Oral piercing
B)Dental calculus
C)Toothbrush trauma
D)Bacterial plaque

Answer 3

Bacterial plaque

Question 4

Which of the following conditions may occur in a dentition with uneven marginal ridges?

A)Food impaction
B)Tooth mobility
C)Furcation involvement
D)Pulpitis

Question 5

Radiographic evaluation of calculus is an effective diagnostic method because what is seen on the radiograph is usually what is present clinically.

A)Both statement and reason are correct.
B)Both statement and reason are incorrect.
C)The statement is correct, but the reason is incorrect.
D)The statement is incorrect, but the reason is correct.

Question 6

Which of the following reasons explains why subgingival calculus is usually black?

A)Supragingival saliva
B)Crevicular fluid
C)Subgingival enzymes
D)Salivary crystals

Question 7

All of the following are modes of attachment of calculus to the tooth surface except one. Which one is the exception?

A)Mechanical locking
B)Chemical locking
C)Penetration into bacteria
D)Organic pellicle

Question 8

Which of the following contributory factors is important for the accumulation of dental biofilms?

A)Anatomic
B)Chemical
C)Traumatic
D)Irritational

Question 9

Which of the following factors is the most significant dentally related local factor strongly associated with an increased probability of developing periodontal diseases?

A)Presence of gingivitis
B)Presence of established periodontal disease
C)Whether patient is right- or left-handed
D)Number of bleeding sites

Question 10

Calculus is a contributing factor for the initiation and progression of the periodontal diseases because calculus has a solid surface structure on which plaque will accumulate.

A)Both statement and reason are correct.
B)Both statement and reason are incorrect.
C)The statement is correct, but the reason is incorrect.
D)The statement is incorrect, but the reason is correct.

Question 11

Which of the following statements is related to palatogingival grooves?

A)They can cause a narrow deep pocket.
B)They are easy to eliminate.
C)They present no problems.
D)They increase the chances of furcation involvement.

Question 12

Proximal furcation involvement on maxillary molars presents with more problems than buccal furcation involvement because of limited access to proximal surfaces.

A)Both statement and reason are correct.
B)Both statement and reason are incorrect.
C)The statement is correct, but the reason is incorrect.
D)The statement is incorrect, but the reason is correct.

Question 13

All of the following are intrinsic tooth stains except one. Which one is the exception?

A)Nonvital pulp
B)Chlorhexidine
C)Tetracycline
D)Decalcification
E)Fluorosis

Question 14

Which of the following substances is found in high amounts in calculus?

A)Fluoride
B)Silica
C)Hydroxyapatite
D)Tricalcium phosphate

Question 15

Which of the following statements describes what calcified plaque is?

A)Calculus
B)Subgingival biofilm
C)Enamel pearls
D)Cervical enamel projection

Question 16

Which of the following statements about calculus attachment to dental implants versus natural tooth structure is true?

A)There is greater attachment to an implant surface.
B)There is more superficial attachment to an implant surface.
C)There is more complicated attachment to an implant surface.
D)The attachment to an implant surface is similar to attachment to a natural tooth surface.

Question 17

Which of the following features is characteristic of dental calculus?

A)It contains more than 500 bacterial species.
B)It is calcified bacterial plaque.
C)It contains specific species of fungi.
D)It is hypomineralized bacterial plaque.

Question 18

All of the following are reasons for orthodontic appliances being a contributing factor for periodontal disease except one. Which one is the exception?

A)Limited access for oral hygiene
B)Uneven wires and brackets are plaque retentive
C)Bands on molar are plaque retentive
D)Appliance causes chemical injury to the gingival

Question 19

Which of the following factors is contributory for periodontal diseases?

A)Cigarette smoking
B)Diabetes mellitus
C)Dental biofilms
D)Tooth anatomy

Question 20

Which of the following contributing factors can cause gingival recession?

A)Tongue ring
B)Xerostomia
C)Phenytoin
D)Nifedipine

Question 21

Supragingival calculus accumulation on the lingual surfaces of the mandibular incisors is due to the location of the ________ and ________ glands.

Question 22

Palatogingival grooves are primarily found on mandibular canines.

Question 23

Furcation involvements create a plaque trap.

Question 24

Supragingival calculus accumulation on the maxillary first molar is due to the location of ________ duct.

Question 25

It is not important to control or eliminate contributory factors.

Question 26

Uneven marginal ridges can cause ________ impaction.

Question 27

Dental plaque is an established primary factor for the periodontal diseases.

Question 28

Enamel pearls are ridges of enamel found on the cementum.

Question 29

Calculus is an established contributory factor for the periodontal diseases.

Question 30

Enamel ________ is a potential plaque trap.

Question 31

Discuss possible contributing factors for periodontal diseases.

Question 32

CEP refers to cervical enamel projection.

Question 33

________ enamel projections are found in the furcation area.

Question 34

A tooth with a palatogingival groove may have ________ probing depths.

Question 35

________ restorations can contribute to more advanced periodontitis.

Question 36

A patient has localized deep probing depths. Should you be concerned about the deep probing depths?

Question 37

Palatogingival grooves are predominantly found on maxillary ________ incisors.

Question 38

Contributory means that the factor does not by itself cause initial periodontal inflammation.

Question 39

Calculus is an important contributing factor because its surface is ________.

Question 40

A patient's chief complaint is "food impaction." How do you address the patient's chief complaint?