Auto Immune Disease Flashcards

1
Q

What is immunologic tolerance?

A

Body’s ability to discriminate between it’s own antigens and foreign antigens

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2
Q

What is autoimmunity?

A

Immumnologic tolerance fails, activating T cells and immune system attacks its own tissues

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3
Q

What are the two primary triggering factors for autoimmune disease?

A

Genetics and environmental triggers (infection, fever, trauma)

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4
Q

Dental considerations for dental pts. w/ autoimmune disease

A
  • Pt. may need several dental specialists
  • Make pt. aware of oral complications related to their disease
  • May need palliative treatment for discomfort
  • 2-3 month recare appointments
  • Assess overall health
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5
Q

What are we considering when assessing the patient?>

A
  • Their medical/dental histories
  • Is it safe to provide treatment?
  • Do thei rmedical needs supersede their need for oral care?
  • Are they showing signs of a disease they were not diagnosed with?
  • Do they need a referral?
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6
Q

What will need to be considered when making a diagnosis?

A
  • Human needs assessment may differ, depends on the disease
  • Diagnosis will be based on the needs of the pt during diagnosis
  • Use objective and subjective assessment to make a diagnosis and support proposed treatment
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7
Q

What should be considered when treatment planning?

A

Tx may be complicated due to medical issues
Coordinate care w/ medical care
Shorter appts (joint pain/stiffness)
Supportive devices may be needed
Advocate for the pt- are their needs met by their medical team?
Do they need to be scheduled at certain times?

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8
Q

What should be included in the evaluation at their recare appointments?

A
  • Assess the host response
  • Reinforce self care
  • Do they need additional treatment?
  • Were your goals met?
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9
Q

Characteristics of rheumatoid arthritis?

A
  • Inflammatory destruction of the joints
  • Unknown cause
  • Connective tissue disease
  • Body interprets synovial membrane as a threat– attack causes buildup of fluid in the joint
  • Systemic
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10
Q

Signs and symptoms of rheumatoid arthritis

A
  • Onset is between ages 20-40
  • Joint pain, swelling, warmth
  • Fingers, hands, knees and feet affected first
  • Women affected more
  • Hip joint least affected
  • Stiffness in AM and after activity
  • Some people develop nodules
  • RA and perio are both chronic inflammatory diseases
  • Can affect the TMJ
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11
Q

Which RA petients are nodules most often seen in?

A

People who take methotrexate (antimetabolic- decreases the activity of the immune system)

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12
Q

What are the differences between RA and osteoarthritis?

A
  • RA involves multiple joints, OA just one
  • RA has pain w/ inflammation, OA can have pain w/o inflammation
  • In RA, morning stifness lasts longer
  • RA has systemic manifestations like fatigue and fever, OA has no systemic involvement
  • RA can develop at any age, OA only in elderly
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13
Q

How is diagnosis of RA made?

A
  • Med hx, physical, lab studies, radiographs
  • Diagnosis depends on signs/symptoms/diagnostics
  • Must include 4 criteria for RA: AM stiffness, 3 or more areas, arthritis of hand joints, symmetric, nodules, serum rheumatoid factor, radiographic changes
  • Differential diagnosis can be made to rule out other diseases like lymes, scleroderma, osteoarthritis, fibromyalgia, sjogrens and TMJ
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14
Q

Tx of RA

A
  • Rest, exercise, stress reduction, care of joints
  • NSAIDS
  • Steroid injections
  • Gold injections
  • Disease-modifying antirheumatic drugs such as methotrexate
  • Surgery
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15
Q

DH care for pts w/ RA

A
  • Medical consult
  • Examine relationship btw RA and perio: elevated erythrocyte sedimentation rate– the fewer the teeth, the greater the risk for joint inflammation
  • Watch instrumentation- delayed healing
  • Watch TMJ- limited opening
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16
Q

What instructions should be given to an RA patient with TMJ pain?

A

Moist heat or ice, soft diet, occlusal appliance

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17
Q

In what percentage of RA cases does TMJ occur?

A

75%

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18
Q

TMJ symptoms

A
  • Preauricular pain
  • Tenderness, swelling
  • Stiffness, decreased mobility
  • Locking, crepitus
  • Radiographic changes: Erosion of condyles, reduced translation, sclerosis of the condyle eminence
  • Anterior open bite
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19
Q

Characteristics of myasthenia gravis

A
  • Autoimmune neuromuscular disease characterized by weakness and fatigue of the voluntary muscles
  • Breakdown in connection from your nerves to your muscles
  • More often in women
  • Thymus gland involvement
  • Progressive
  • Affects DH care
20
Q

Signs and symptoms of myasthenia gravis

A
  • Weakness in the legs
  • Fatigue
  • Shortness of breath
  • Weak voice
  • Weakness worsens w/ exercise and improves w/ rest
  • Fatigue worsens throughout the day
  • Drooping eyelids- double vision
  • Difficulty swallowing- soft palate weakness
  • Respiratory muscles affected= serious complications
21
Q

How is myasthenia gravis diagnosed?

A
  • Administration of drugs that will temporarily improve muscle strength
  • Nerve stimulation tests
  • Ice pack tests
  • CT of thymus
22
Q

Treatment for myasthenia gravis

A
  • Aimed at remission
  • Drugs
  • Surgery to remove the thymus- may take years to improve
  • Treatment similar to dialysis to remove antibodies but only lasts a few weeks
23
Q

Considerations for DH care for pts with myasthenia gravis

A
  • Med hx
  • Short appts early in the day
  • Frequent recare
  • Stress reduction, cool room
  • Reduce infection
  • N2O can reduce anxiety
  • Watch other meds
  • Potential respiratory risk
  • Power scalers and air polishing contraindicated
  • Mouthprop
  • Dark glasses
  • Diet eval
  • OHI
24
Q

What may cause a myasthenic crisis?

A
  • Undermedication
  • Respiratory muscles become too weak to do their job
  • Unable to speak, swallow, double vision, drooping eyelids, rapid shallow breathing, anxiety
25
Q

What may cause a myasthenia gravis cholinergic crisis?

A
  • Overmedication (too much acetylcholine)
  • Symptoms will occur 30-60 min after meds
  • Signs will occur within 1 hour (SLUD- but not always)
26
Q

What is scleroderma?

A
  • Chronic autoimmune rheumatic condition
  • CT disorder- over production- hardening and tightening
  • Not genetic- just susceptibility gene
  • Cause is unknown
  • Localized or systemic but more often localized
  • Onset at 30-50 years
  • More common in women
27
Q

Characteristics of scleroderma

A
  • Depression, fatigue, pain
  • In organs- BV and digestive tract
  • Joints and muscles
  • Sjogren’s syndrome
  • Raynaud’s Phenomenon- response to cold and stress- vasoconstriction- pain and color changes to fingers and toes
28
Q

How is a diagnosis made of scleroderma?

A
  • Blood tests- look for antibodies
  • Specialized tests- breathing tests, CT of lungs
29
Q

Treatment for scleroderma

A
  • No cure
  • Depends on affected organs- skin will often diminish in 3-5 years
  • Drugs- immune suppress therapy, relieve pain
  • Physical therapy
  • Esophageal dilation
  • Mouth exercise
30
Q

Scleroderma oral characteristics

A
  • Affects the head and neck region in more than 70% of pts
  • Tooth mobility
  • Xerostomia- excess colagen in glands- fibrosis- administer pilocarpine or saliva substitutes when severe
  • Issues w/ speaking, chewing and swallowing
  • Widening of periodontal space
  • Asymptomatic alveolar bone resorption–> increased risk for mandibular fractures
  • Pt more prone to oral disease due to xerostomia, carb rich, soft diet, poor OH
31
Q

DH considerations in care for pts w/ scleroderma

A
  • Microstomia complicates care
  • Purpose is to preserve teeth
  • Frequent recare appts
  • Meds and oral effects
  • Physician conault
  • Pre-med
  • Short appts
32
Q

How should the patient be cared for in the operatory?

A
  • Warm room
  • Anti-anxiet pre-med
  • Humidifier
  • Semi-supine
  • Mouthprop
  • X-rays
  • Anesthesia
  • Ultrasonic and air polishing
33
Q

OH instruction for pts w/ scleroderma

A
  • Flossing aids
  • Enlarged TB handle
  • Finger cots for flossing
  • Smaller head TB
  • Diet counseling
  • Oral exercises
34
Q

What is Sjogren’s syndrome?

A
  • Chronic systemic rheumatic autoimmune disease
  • Causes dry eyes and dry mouth
  • Can occur at any age but more common in women over 40
  • Causes are typically unknown but can also be causen by genetics or Epstein-Barr virus
35
Q

Characteristics of Sjogren’s syndrome

A
  • Usually accompanied by other autoimmune diseases like RA or lupus
  • Skin rashes- dryness
  • Joint pain and stiffness
  • Affects internal organs- lungs, kidney infection and cirrhosis of liver
  • Lymphadenopathy
36
Q

Oral characteristics of Sjogren’s syndrome

A
  • Reduced saliva
  • Difficulty swallowing, altered taste, difficulty wearing dentures, candida, burning mouth, mucositis, angular cheilitis
  • Increased dental disease- very high risk for caries
  • Fissure tongue and atrophy of papilla
  • Firm enlargement of salivary glands
37
Q

How is Sjogren’s diagnosed?

A
  • Physical exam
  • Blood studies- check for antibodies, rule out liver or kidney problems
  • Salivary function studies- sialogram and salivary scintigraphy
  • Eye tests- Schrimer test- tear production
  • Biopsy of lower lip glands
38
Q

Treatment for Sjogren’s

A
  • No cure
  • Palliative tx
  • Moisturizers, lubricants, sialagogues
  • Artificial tears
  • Salivary substitutes
  • Xylitol gum
  • Meds- pilocarpine, immunosuppressants and plaquinil
  • Sinus lavage and topical corticosteroid
  • Analgesics- if w/ RA
  • Prognosis is good
39
Q

Sjogrens DH care

A
  • IO/EO Exam- glandulr swelling, lymphadenopathy
  • Tx of xerostomia- saliva substitutes
  • Caries control- Fluoride
  • Hydration for burning tongue
  • Antifungal meds for secondary infections
40
Q

What is multiple sclerosis?

A
  • Chronic progressive degeneration of the myelin in the brain and spinal cord
  • Affects the CNS by damaging the myelin sheath that surrounds the nerves
  • Damaged areas are called plaques
  • Motor, sensory, cognitive and emotional changes
  • 4 categories of M.S.: relapsing-remitting, secondary progressive, primary progressive, progressive relapsing
41
Q

What are the causes of M.S. and who does it affect?

A
  • Unknown
  • Most likely genetics
  • Viral from Epstein-Barr
  • Abnormal immunological event
  • Lack of essential fatty acids, environmental factors
  • Occurs in ealry adulthood- 20-40 years
  • Affects mostly women
  • More common in cold and temperate climates
42
Q

Characteristics of M.S.

A
  • Weakness and fatigue
  • Loss of bowel or urinary function
  • Tremor of upper extremities
  • Loss of balance and equilibrium
  • Lack of coordination
  • Involuntary motion of the eyes
  • Blurred double vision
  • Numbness and tingling of extremities
  • Paralysis
  • Susceptibility to upper respiratory infection
43
Q

Oral characteristics of M.S.

A
  • 2-3% of the pop w/ MS
  • Trigeminal neuralgia
  • Paresthesia- facial numbness/pain
  • Xerostomia from meds
  • Facial palsy
  • Speech disorders
44
Q

How is MS diagnosed?

A
  • Blood test to look for markers- rule out other diseases
  • MRI- for brain lesions
  • Spinal tap for antibodies
  • EMG
45
Q

Treatment for MS

A
  • Purpose is to prevent relapse
  • Meds to treat attacks- corticosteroids
  • Plasma exchange for severe cases
  • Meds to prevent progression
  • Nutrition
  • Rest
  • Avoid strain
  • PT
  • Light exercise
46
Q

DH care for MS

A
  • Optimal time for DH is during remission
  • Relapse can be brought on by infection
  • All tx planning dictated by health of pt
  • Frequent recare
  • May need modified HC aids
  • Shorter AM appts
  • Comfortable, stress-free environment
  • Xerostomia- Fluoride and saliva substitutes