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Cariology (Prelims) > The Role of the Periodontium in Relation to Dental Caries > Flashcards

The Role of the Periodontium in Relation to Dental Caries Flashcards

1
Q

Consists of both soft and hard dental tissues that support the tooth in its relationship to the alveolar process

A

Periodontium

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2
Q

Appositional growth of dentin in root area

A

Root formation

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3
Q

The HERS disintegrate to produce the epithelial rests of Malassez

A

True

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4
Q

Residual cells of HERS that did not completely disappear

A

Epithelial Rests of Malassez

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5
Q

What is the cementum matrix?

A

Cementoid

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6
Q

Avascular, multiunit, mineralized connective tissue derived from the mesoderm

A

Cementum

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7
Q

Which CEJ interface can lead to the difficulty of discerning the CEJ from calcular deposits?

A

Overlap

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8
Q

Which CEJ interface is normal and has no problems?

A

Meet

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9
Q

Which CEJ interface exposes the dentin?

A

Gap

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10
Q

An acellular cementum is the first layer deposited on top of the dentin, and formed at a faster rate.

A

False (slower rate)

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11
Q

The cellular cementum can widen overtime and layers can be added.

A

True

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12
Q

Appears in radiographs as the periodontal ligament space between the lamina dura and the cementum

A

Periodontal ligaments

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13
Q

Pain, touch, pressure, and temperature sensations in PDL

A

Proprioception

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14
Q

Most common cells in the PDL

A

Fibroblasts

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15
Q

Regulate collagen-sensory and collagen remodeling

A

Mechanosensing

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16
Q

Inserts mesiodistally or interdentally into the cervical cementum of neighboring teeth and resists rotational forces and hold the teeth in interproximal contact

A

Interdental ligament

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17
Q

The interdental ligament is coronal to the alveolar crest and has no bony attachment

A

True

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18
Q

Ectomesenchyme of the dental sac mineralize

A

Alveolar process development

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19
Q

Hard, mineralized tissue with the components of other bone tissue, and more easily remodeled than the cementum

A

Alveolar process

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20
Q

Formative cells of the enamel

A

Ameloblasts

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21
Q

Embryoloic background of the alveolar process and cementum

A

Dental sac

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22
Q

Masticatory mucosa that is bound to the teeth and covers the alveolar processes

A

Gingiva

23
Q

Unattached and often characterized by the sulcus depth

A

Free gingiva

24
Q

Firmly attached to the periosteum of the alveolar process

A

Attached gingiva

25
Q

Where is the widest band of the attached gingiva?

A

Facial aspect of central and lateral incisors

26
Q

Where is the narrowest band of the attached gingiva?

A

Facial area of canines and first premolars

27
Q

Formed by the sulcular epithelium and junctional epithelium.

A

Dentogingival junctional tissue

28
Q

Stands away from the tooth and creates the gingival sulcus (filled with gingival crevicular fluid)

A

Sulcular epithelium

29
Q

Contains blood and immunologic cells

A

Gingival Crevicular Fluid (GCF)

30
Q

Attached to the tooth surface by epithelial attachment and forms the floor of the gingival sulcus.

A

Junctional epithelium

31
Q

Located in the lamina propria of the marginal gingiva and support only the gingival tissue in order to maintain gingival integrity

A

Gingival fiber group

32
Q

Ligament that encircles tooth

A

Circulara ligament

33
Q

Ligament that is the most extensive

A

Dentogingival ligament

34
Q

Helps to attach the gingiva to the alveolar bone

A

Alveologingival ligament

35
Q

Anchors the tooth to the bone and protects the deeper PDL

A

Dentoperiosteal ligament

36
Q

Immune-inflammatory infection of the tooth-supporting structures; major cause of tooth loss among adults

A

Periodontal disease

37
Q

Gingival inflammation

A

Gingivitis

38
Q

Deep probing depths, inflammation, subgingival calculus and plaque, alveolar bone loss

A

Periodontitis

39
Q

Control of periodontitis in severe cases

A

Antibiotic therapy
Periodontal surgery

40
Q

Fibrous overgrowth of gingival tissues due to intake of certain drugs and poor homecare

A

Gingival hyperplasia

41
Q

Recession due to tight frenal attachment

A

Gingival recession

42
Q

Gingival biotype that often shows transparency within gingival sulcus when a probe is inserted, often associated with tapered/triangular anatomic crowns, and responds to gingival inflammation with gingival recession

A

Thin and Scalloped biotype

43
Q

Gingival biotype that often shows more pronounced ‘orange peel’ surface of the attached gingiva, often associated with square anatomic crowns with broad interproximal contact areas and responds to gingival inflammation with deep pocket depth formation

A

Thick and Flat biotype

44
Q

Excess restoration from margin

A

Overhang

45
Q

Fragment of cementum that detaches from the tooth, usually after trauma, causing isolated bone loss (vertical bone defects)

A

Cemental tears

46
Q

Developmental anomaly in which an infolding of the IEE and HERS creates a groove from the cingulum of the maxillary incisors apically onto the root

A

Palatal groove

47
Q

Genetically driven structure, combined vertical dimension of the junctional epithelium and the supra-alveolar connective tissue. Acts as a seal around the cervical portion of the tooth

A

Biologic width

48
Q

Does not involve hard tissue but rather just gingival excess removal to expose the clinical crown

A

Gingivectomy

49
Q

Control of etiology to prevent rebound

A

Gingival overgrowth

50
Q

Commonly performed on the distal surface of molars to facilitate hygiene

A

Distal wedge

51
Q

Needs 3 mm of sound tooth structure from the margin of the final cavity preparation (not the caries lesion)

A

Subgingival caries/Access for proper restoration

52
Q

Esthetics must be carefully considered during treatment planning. Crown lengthening is almost always necessary, but it might compromise esthetics.

A

Tooth fracture

53
Q

Significant amount of anatomic crown is covered by gingiva due to failure of proper apical migration of the soft tissue that covers the crown

A

Altered passive eruption

54
Q

Effects of restorative treatment on the periodontium

A

Biologic width violation
Dental materials
Provisional restorations and restorative margins
Retraction cord and impressions

Cariology (Prelims) (4 decks)

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