FInal- Periodontitis as a Manifestation of Systemic Disease - High Yield Flashcards
T/F: Diseases and conditions can affect the periodontal tissues by affecting the periodontal supporting tissues INDEPENDENTLY of dental plaque biofilm-induced inflammation:
True
Systemic disorders that have a major impact on the loss of periodontal tissue by influencing periodontal inflammation include: (3)
- genetic disorders
- AIDS
- inflammatory diseases
- Trisomy 21 or mongolism
- characteristic physical appearance
- mental deficiency & growth retardation
down syndrome
List some physical characteristics of Down syndrome:
- mongolism
- small nose, mouth & ears
- slightly bent pinky
- short stocky build
- almond shaped eyes with skin fold covering inner corner
- white spots on colored part of eyes
- flat, round face
Give another name for Down syndrome:
- mongolism
- trisomy 21
Describe how periodontal disease is categorized in Down syndrome:
moderate to severe periodontitis with rapid progression
T/F: In Down syndrome local factors alone explained the severity of periodontal destruction
False- local factors along FAILED to explain the severity of the periodontal destruction
What aspects of down syndrome might contribute to the moderate to severe periodontal destruction with rapid progression?
INTRINSIC IMMUNE SYSTEM DEFECTS
- Poor PMN chemotaxis
- Poor phagocytosis
- Intracellular killing
List the three intrinsic immune system defects seen in Down syndrome:
- poor PMN chemotaxis
- Poor phagocytosis
- Intracellular killing
Leukocyte Adhesion Deficiency (LAD) is due to a mutation in:
Beta-2 integrin gene (ITGB2)
Lack of Beta-2 Integrin Gene in LAD results in: (2)
- Lack of beta-2 intern mRNA in leukocytes
- Low integrin (CD18 or CD15) expression on neutrophils
- Lack of beta-2 intern mRNA in leukocytes
- Low integrin (CD18 or CD15) expression on neutrophils
This is seen in _____ due to ____
LAD; mutation in beta-2 integrin gene (ITGB2)
Describe the neutrophil insufficiency in LAD:
Neutrophils are confined to blood vessels resulting in disruption of neutrophil-associated homeostasis
In what disease are neutrophils confined to blood vessels, resulting in?
LAD; disruption of neutrophil-associated homeostasis
Describe what is seen in the periodontium of LAD individuals:
History of severe recurrent infection but NO pus; leukocytosis is common
What is a common manifestation that comes along with the history of severe recurrent infection but NO pus in LAD patients?
leukocytosis
Papillon-Lefevre Syndrome is caused by a mutation in:
cathepsin C gene (CTSC)
Papillon-Lefevre Syndrome is caused by a mutation in cathepsin C gene (CTSC) that is located on:
chromosome 11q14
The mutation in Papillon-Lefevre Syndrome (Cathetpsin C gene (CTSC) results in:
- compromised neutrophil function
- decreased phagocytosis
- hyperkeratotic lesons
What type of lesions result from the mutation in the cathepsin C gene (CTSC) in Papillon-Lefvre syndrome?
Hyperkeratotic lesions
- palms
-soles of feet
- elbows
- knees
Chediak-Higashi Syndrome is due to a mutation in:
CHS1 gene & LYST gene
The mutations in CHS1 gene & LYST genes seen in Chediak-Higashi Syndrome result in:
Lysosomal tracking defect
Partial oculocutaneous albinisn is seen in Chediak-Higashi Syndrome, why do we see this?
due to defects in melanin granules
Patients with Chediak-Higashi Syndrome have recurrent pyogenic infections due to:
- circulating leukocytes exhibit DEFECTIVE lysosomes
- Decrease in phagoyctosis
The varying neurologic problems seen in Chediak-Higashi Syndrome include:
- intellectual defecti
- dementia
- Mutation in CHS1
- Mutation in LYST
- Lysosomal tracking defection
- Partial oculocutaneous albinism (defective melanin granules)
- Recurrent pyogenic infections (defective lysosomes in circulating leukocytes & decrease in phagocytosis)
- Varying neurologic problems (intellectual deficit & dementia)
Chediak-Higashi Syndrome
Congenital neutropenia results from a mutation in:
ELANE (50%)
HAX1 (10%)
33% unknown cause
Congenital neutropenia results in a ____ number of _____
decreased; neutrophils
What is the ANC level of one with congenital neutropenia?
less than 500 cell/microliter and static
What is clinical manfiestions of congenital neutropenia?
- defective immune response
- severe & recurrent infections
Disease associated with Immunologic disorders:
- down syndrome
- LAD
- PLS
- Chediak-Higashi Syndrome
- Congenital neutropenia
- down syndrome
- LAD
- PLS
- Chediak-Higashi Syndrome
- Congenital neutropenia
Fill in the mutations associated with these diseases:
- down syndrome- trisomy 21
- LAD- Beta-2 Integrin
- PLS- Cathepsin C Gene (CTSC)
- Chediak-Higashi Syndrome- LYST gene & CHS1
- Congenital neutropenia- ELANE & HAX1 & Unknown
What type of syndrome is Ehlers-Danlos syndrome categorized as?
Diseases affecting the connective tissue
List the oral manifestations of Ehler’s-Danlos syndrome:
- generalized, early-onset severe periodontitis
- gingival recession
- early loss of primary & permanent teeth
- GENERALIZED LACK OF ATTACHED GINGIVA
In what connective tissue disease do we see a GENERALIZED LACK OF ATTACHED GINGIVA?
Ehler’s-Danlos syndrome
What mutation causes HYPOphosphatasia?
Mutation in alkalaine phosphatase gene (ALPL)
The forms of hypophosphatasisa range from:
mild to severe
Describe oral manifestations seen in hypophosphatasisa:
- defective cementum
- alveolar bone loss
- premature loss of teeth
IDDM:
type 1
NIDDM:
type 2
Describe the onset of the following :
Type 1 DM:
Type 2 DM:
Type 1 DM: Early onset but can occur at any age
Type 2 DM: Adult onset
What is the prevalence and pathophysiology of type 1 DM?
5-10%; destruction of the pancreatic beta cells
What is the prevalence and pathophysiology of type 2 DM?
90-95%; obesity & genetics
List the characteristics of type 1 DM:
- absolute insulin deficiency
- marked tendency toward ketosis & coma
List the characteristics of type 2 DM:
- blood level of insulin my be normal, increased, or decreased
- development of ketosis and coma is uncommon
_____ is a complicating factor for diabetes and also affects ____
periodontitis; glycemic control
What type of bacteria are seen in diabetic patients with perio disease?
gram negative
Periodontal treatment in a diabetic patient leads to:
- improved insulin sensitivity
- improved glycemic control
- estrogen withdrawal
- increase in IL6
- increased bone turnover
- net systemic bone loss
- decrease in bone mineral density
- weakened bone microarchitecture
- high risk of bone fracture
Osteoporosis
In osteoporosis there needs to be a homeostasis between what three factors?
- bone
- estrogen
- inflammation
Describe the periodontitis associated with osteoporosis: (4)
- bacterial infection
- local inflammatory insult
- initial cortical bone compromise
- bone loss
What are the shared risk factors between osteoporosis and periodontitis?
- AGE
- SMOKING
- VITAMIN D
- CALCIUM DEFICIENCY
- AGE
- SMOKING
- VITAMIN D
- CALCIUM DEFICIENCY
These are the shared risk factors between:
osteoporosis & periodontitis
T/F: Patients with arthritis (OA & RA) have a higher incidence of periodontal disease compared to healthy controls
True
What is the correlation between RA and periodontitis?
the both invoke the same cytokines and pro-inflammatory mediators
____ may play a key role in the pathogenesises of periodontitis-associated RA:
P. Gingivalis
In RA, P. gingivalis produces _____ which is associated with the RA
peptidylarganine deaminase (PAD)
Peptidylarginine deaminase (PAD) is produced by ____ and is seen in what disease?
P. gingivalis; RA & periodontitis
Other systemic disorders that may contribute to the periodontal tissue loss by influencing the pathogenesis of periodontal diseases:
- smoking
- stress/depression
List the oral manifestations of smoking (any type):
- 4x attachment loss
- leukoplakia
- carcinoma
- tooth loss
- gingival recession
Smokers have ___x the attachment loss than non-smokers
4x
What cancer is associated with smokers?
carcinoma
List the continuum seen in smokers with periodontal disease:
- impaired immune response
- subgingival anaerobic infection
- connective tissue cytotoxicity
- impaired wound healing
- increased severity of periodontitis
Fill in the blanks of the continuum seen in smokers with periodontal disease:
- impaired _____
- _____ infection
- _____ cytoxicity
- impaired ____
- increased severity of ___
- impaired immune response
- subgingival anaerobic infection
- connective tissue cytotoxicity
- impaired wound healing
- increased severity of periodontitis
Nicotine causes:
vasoconstriction
Nicotine causes vasoconstriction of the:
peripheral blood vessels
Nicotine causes vasoconstriction of the peripheral blood vessels which leads to:
decrease in tissue oxygenation
Tars are ____ & ___
cytotoxic and sticky
Tars are cytotoxic and sticky leading to:
Lung disease (COPD & Cancer)
Tars are cytotoxic and sticky causing lung disease ultimately leading to:
decrease in tissue oxygenation
When do nicotine and tars smoking chart merge?
both causing a decrease in tissue oxygenation
Both nicotine and tars lead to a decrease in tissue oxygenation resulting in: (3)
- SUBgingival ANAEROBIC infection
- connective tissue cytotoxicity
- impaired wound healing
- SUBgingival ANAEROBIC infection
- CT cytotoxicity
- Impaired wound healing
These are all due to:
smoking (nicotine & tars)
Systemic disorders that can result in a loss of periodontal tissue independent of periodontitis:
- neoplasms
- other disorders that may affect periodontal tissue