Periodontics Flashcards by Ch Mora

Attachment apparatus (3)

PDL
CEMENTUM
ALVEOLAR BONE

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Gingival apparatus (2)

Gingival fibers

Epithelial attachment

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Periodontal space size

0.2 mm

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Stippling appearance

Orange peel appearance

Peau d orange

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Stippling are irregularities of (2)

Epithelial ridges

Rete pegs

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Most impt for checking gingivitis

BOP

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Least determinant for gingivits

Stipplings

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Absence of stippling is due to (3)

Normal variation
Inflammation
Edema

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Oral epithelium

Kerat strat squamous epith

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Sulcular epithelium

Non kerat but can be keratinized

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Collar band of strat squamous epith

Junctional epith

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JE is thicker near _____

And thinner at the ______

Sulcus

Apex

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After ortho procedure, what is use to prevent relapse

Supracrestal fibrotomy

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Transudate spec gravity

<1.012

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Which has more protein content

Exudate

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Exudate

> 1.018

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Gingival fiber grp aka

Supracrestal connective tissue fiber

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Fiber that encircles the tooth resist rotational forces

Impt for ortho

Circular fiber

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Mainly resist lateral movts

Alveolar crest grp

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Resist lat movts and vertical movts

Horizontal fiber grps

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Most numerous

Most resistant to forces along long axis of tooth

Oblique fiber group

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Primary fibers that resist tooth towards occlusal direction

Prevent extrusive movts

Apical fiber group

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Found in multirooted teeth

Interradicular fiber group

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Periodontal fibers embedded in cementum and bone are called

Sharpeys fibers

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Most numerous cells found in PD ligament

Fibroblast

Free gingiva or marginal gingiva is measured from (2)

Free gingival crest to free gingival groove

Most coronal portion of gingiva

Gingival margin

Line bet marginal gingiva and attached gingiva

Free gingival groove

Measured from free gingival groove to the mucogingival junction STIPPLING ARE FOUND HERE

Attached gingiva

Where gingival crevicular fluid found

Gingival sulcus

Gingival sulcus is bounded (2)

Sulcular epith - laterally | JE - apically

Shape of interdental or interprox gingiva

Pyramidal

A line bet attached gingiva and alveolar mucosa

Mucogingival junction

Loosely attached mucosa covering the base of the alveolar process continuing towards the vestibule and floor of mouth

Alveolar mucosa

Probing force

10-20 grams - 0.010 to 0.025 kg

Probing age

13-14 years old

Calcular deposits are made up of

Calcium | Phosphate

Sticky deposits in oral cavity where MO accumulates

Plaque

Immediately after cleansing tooth, a thin film of saliva covers the tooth

Salivary pellicle

CAL is measured from

CEJ towards base of sulcus

Gingival recession is measured from

CEJ to gingival margin

CAL - pocket depth =

Gingival recession

Most common cause of failure of grafts (2)

Loss of blood supply | Infection

What joint is seen between a tooth and alveolar bone

Gomphosis

What is the most critical factor in determining if a tooth is candidate for exo or can be saved with surgical pd therapy

CAL

Rx for prox bone loss

Bitewing rx

Most effective way to determine presence of plaque

Disclosing solution

What is the best indicator to evaluate success of scaling and root planing

Bleeding and plaque index

Removal of calcular deposits in root surface

Scaling

Smoothing of root to remove infected tooth substances

Planing

Scraping of gingival wall

Curettage

Types of oral mucosa

Masticatory Lining Specialized mucosa

Tooth wear due to chemical action

Erosion

Tooth wear due to mechanical wear

Abrasion

Tooth wear due to physiologic action

Attrition

Tooth wear due to occlusal loading resulting to tooth flexure and microfracture

Abfraction

Commonly involved in toothbrush trauma

Canines | PM

Best toothbrushing technique

Bass method

45 degress in rel to tooth but towards occlusal

Charters

Bristles at 45 degrees in rel to tooth towards sulcus Cleans gingival sulcus

Bass method

Bristles at degrees in rel to tooth towards sulcus

Stillman

Least effective brushing tech

Fones technique

Most commonly used toothbrush technique

Horizontal - scrub technique

Vertical brushing

Leonard technique

Circular brushing

Fones technique

Vibratory brushing (3)

Stillman Charters Bass technique

In pseudopockets, gingival margin move ___ due to gingival overgrowth

Coronally

Recessiom can be treated by (2)

Free gingival graft | CT graft - better

Masticatory mucosaa (3)

Dorsum of tongue Hard palate Attached gingiva

Lining mucosa (3)

Buccal Labial Alveolar mucosa

Causative agent of NUG

Fusobacterium Prevotella intermedia Spircocheete

Causative agent of localized agressive perio (2)

Aggregatibactr actinomycetemcomitans | Capnocytophaga ochracea

Generalized aggressive perio causative agent (2)

Prevotella intermedia | Eikenella corrodens

Papillon levre syndrome aka

Palmoplantar keratoderma periodontitis

Down syndrome often has perio caused by what MO

P. Intermedia

Inability of leukocyte to adhere to site of infection

Leukocyte adhesion deficiency

Poor response of leukocytes to infectiom

Lazy leukocyte syndrome

Most impt diagnostic criteria for perio

Bone loss

Primary proteinase that destroys pd tissue

Matrix metalloproteinase

Signaling molecules like interleukins and tumor necrosis factor

Cytokines

Way of communicating of MO

Quorum sensing

One wall Two wall Three wall AKA

Hemiseptum Osseous crater Intrabony defect

Most common type of osseous defect

Two wall

Most common pattern of bone loss

Horizontal bone loss

Radiographic findings of PERIODONTITIS (3)

1. Loss lamina dura 2. Widening of perio space 3. Horizontal or vertical bone loss

Micro organisms appear _______ hours after birth

10-12 hours

1st microorganism to appear afterbirth

S. Salivarius

Early plaque colonizer so

Rods and cocci (yellow complex) | Actinomyces( purple complex)

Late (secondary) plaque colonizer (3)

Green complex Orange complex Red complex

Green complex

Eikenella corrodens Action bacillus actinotherapeutics Capnocytophaga

Orange complex

Fusobacterium Prevotella Campylobacter

Red complex

Porphyromonas gingivalis Treponema denticola Tannerella forsythia

Pocket formed in horizontal bone loss

Suprabony pocket

Pocket formed in vertical bone loss

Infrabony/ intrabony pocket

A type of transudate that is produced in the gingival sulcus

Gingival crevicular fluid / sulcular fluid