Test 3 Flashcards
What is the descipline that systematically studies aging and how aging affects the individual and how the aging population will change society?
Gerontology
Why study aging?
To understand the physical and psychological implications that go along with aging
To learn how to provide care for the elderly
To prepare ourselves for those years
What are the categories of geriatrics based on age?
Young-old (65 - 74)
Middle-old (75 - 84)
Old-old (85+)
What are the categories of geriatrics not related to young-old old?
Chronological age
Functional age
Biological age
What is fastest growing segment of the Canadian population?
Seniors
What caused tha large shift in the aging populations?
Baby boomers getting older
Longer life expectancies
Lower fertility rates
What does increased life expectancy mean for dentistry?
Increased number of people retaining their teeth
Increased dental needs
Increased incidence of chronic illnesses to adapt tx to
With an increase in elderly individuals the social structure will change how?
Living in 3 or 4 generation families
Grandparents will still be working
92% of the elderly will live in community
8% of elderly will live in long term care
1/3 of elderly will live independantly
What will the predicted shrinking of the labor force do?
Lower the gross national product and increase costs
Shift in government service costs
Decrease education expense and increase in social security and health expenditures
What are the bonuses of an older population?
Lower crime rate
Increased concern for fitness
Diet and disease prevention
Improved economy
What is the term for prejudice against old people?
Ageism
What are the three most widely used social theories of aging?
Disengagement
Activity
Continuity
What aging theory proposed that the number of interpersonal relationships in which an individual is involved declines with age and that the individual becomes increasingly passive in relationship, introspective and withdrawn?
Disengagement Theory
True or False: In Disengagement Theory, the withdrawl is voluntary and satisfaction comes frombeing able to look back over a life well lived.
True
What discussion is based on some variation of the disengagement theory?
The right to die
What theory associates successful aging with vitality, mobility and life satisfaction based on retention of middle-age behaviours, activities and relationships?
Activity Theory
What aging theory suggests that the major focus of human behaviour is to maintain continuity and stability over a lifetime and if changes do occur the individual must focus on maintaining their old stability or move to a new level of stability?
Continuity Theory
What are the problems with those three common aging theories?
Each are true under some conditions but not under all or universally.
What theory attempts to formulate a whole life conception of aging where old age is a process of becoming socialized to new or revisited role definitions?
Age Stratification Theory
What aging theory is influenced by the relationship between the distribution of power and the form of economic organization?
Political Economic Theory
__% of adults 65+ have at least 1 of 1 common chronic conditions.
73%
What are the 10 common chronic conditions?
Hypertension
Periodontal disease
Osteoarthritis
Ischemic heart disease
Diabetes
Osteoporosis
Cancer
COPD
Asthma
Mood and anxiety disorders
What speeds up the aging process?
Smoking
Systemic illness
Environmental factors
Stress
Medications
Poor nutrition
Inactivity
Social isolation
What normal physiological changes are encountered with aging?
Decrease in bone mass
Drop in basal metabolism
Dysfunction in the regulatory syste
Reduction in lung capacity
Decrease in circulation and cardiac output
Loss of muscle mass and strength
Decline in brain volume
What is involved in stress reduction protocol?
Recognize degree of risk
Complete medical consultation if necessary
Monitor vital signs pre and post appointment time
Consider decrease anxiety tactics
Pain control therapy
Telephone for f/u after the appointment
Average appointment time accodingly
Calcium loss is partly age related by another major cause is
Dietary deficiency
What are the results of calcium loss?
Reduction in height
Poor posture
Increasing difficulty in breathing movements
Poorer circulation to the arms, hands, head and brain
Pinched nerves leading to pain or numbness in the arms and legs
What are the DH considerations for loss of calcium?
Shorter appointments
Joint replacement more common
NSAID or aspirin use - monitor bleeding
Watch for oral signs of dietary deficiency
True or False: Under stress the heart rate of an older individual increases more than that of a younger person.
False. Under stress the heart rate of an older individual increases less than that of a younger person.
What is the result of an older individual’s stress response of heart rate being less than that of a younger person?
Increases risk of a heart attack
Reduction of lung capacity in geriatrics is due to
Loss of elasticity in chest muscles
Increase rigidity of internal lung structures
Increase in dead air space at the bottom of the lung
The reduction of lung capacity is approximately __% from the age of 30 to 80.
50%
What happens causing a decrease in circulation and cardiac output in geriatrics?
Cardiac muscle fibers decrease
Oxygen used less efficiently
Decreased elasticity of aorta
Thickening of blood vessel walls
In geriatrics there is a decrease in phsyical strength due to
Normal atrophy of the muscles and the connective tissue losing elasticity
The basic component of connective tissue, ____, loses its flexibity and toughness with age.
Collagen
In geriatrics, decreased enzymes result in loss of
Gastric cells
True or False: Geriatrics experience a decrease in peristalsis
True
True or False: The primary organs of the immune system bone marrow cells and the thymus t-cells are thought to be affected most by the aging process.
True
The primary organs of the immune system bone marrow cells and thymus t-cells are thought to be affect most by the aging process. This results in
An increase in the amount of infections, autoimmunity, and cancer.
In geriatrics there is a decline in the body’s ability to secrete
Insulin
Thyroid hormones
Sex hormones
Adrenaline in blood
What is the result of the decline in the body’s ability to secrete insulin, thyroid hormones, sex hormones, and adrenaline in the blood?
Diabetes
Hypothyroidism
Decreased sex drive
Baldness
Depression
Slower response to danger
Why is there a decline in kidney function in geriatrics?
The rate of filtration of impurities from the blood is reduced, partly through reduced blood flow through the kidneys themselves. The weight and the mass of the kidneys reduce because of a reduction in the number of nephrons and the size of the nephrons
Kidney dysfuntion in the elderly often leads to
Deyhydration
Why does hearing deterioriate in the elderly?
Outer ear often builds up with waxy deposits that become so hard is reduces hearing. Most often the receptors for high pitched sounds are lost.
What is presbycusis?
Age-related hearing loss
What visual changes occur in the elderly?
Lens become more rigid, opaque and yellow
Reduction in pupil size
Less tears produced
What are the most common visual problems in the elderly?
Cataracts
Glaucoma
Macular degeneration
Why does touch deteriorate with age?
The collagen content of the skin decreases with age resulting in a decrease of the elasticity and strength of the skin. Intracellular deposit of lipofusin - age spots, a yellow-brown pigment
True or False: Studies show that there is a decline in taste buds that occur with age.
True
When a change in taste is noted, is usually manifests as an increase in the threshold for ___ and ___ due to an occlusion in the taste buds.
Salty
Sweet
True or False: Deficits in taste and smell tend to go hand in hand
True
Dental management guidelines for geriatrics?
Thorough medical history
Stress reduction protocol
Dental chair position
Adaptations to OHI
Communication to the individual
What are the three As?
Accessibility
Adaptations
Accommodations
Why is the number of elderly people seeking dental care increasing?
Decreased number of edentulous people
Increased disposable income
Increased awareness of oral health care and its potential links with systemic diseases
Poor oral health puts seniors at greater risk for developing or making worse serious health problems such as heart disease, stroke, pneumonia and diabetes
What are three barriers to dental care geriatrics experience?
New financial reality
Physical ability to access dental services
Increasing prevalnce of brain disorders
Are oral health problems among the most prevealent chronic problems that elderly people have to deal with?
Yes
Poor oral status is associated with
Pain
Poor oral and facial esthetics
Impairments with eating, chewing speaking, social interactions
Decreased self-esteem and a poor sense of well being
Provisions of regular oral hygiene is a challenging task for patients as it is complicated by
Reduced physical dexterity
Impaired sensory functions
Cognitive deficits
Behaviour problems and related communications
What does the OSCAR acronym stand for regarding factors for treatment planning?
Oral
Systemic
Capability
Autonomy
Reality
What are the oral concerns with the elderly?
OSC management
Caries management
Xerostomia
Hypersensitivity
Candidiasis
Denture irritation
Mucositis
Irregular tissue/bone development
Oral cancer
What are the oral physiological changes in the elderly?
Thinning of the mucosa
Loss of masticatory muscle
Tooth wear, loss of enamel
Limited attached tissues
How to reduce bacteria in the oral cavity for the elderly?
Use of chemoterapeutics like
Antribacterial toothpastes
Chlorhexidine
Mechanical improvements
Xylitol
Probiotic therapy
Demineralization of dentin is __x as fast as enamel.
2x
What is the critical pH for caries in enamel?
5.5
What is the critical pH for caries in dentin?
6.2-6.4
Two options for preventing caries
Reducing the amount of bacteria present in the mouth
Remineralizing the tooth when it is exposed to the acid
What elements have been shown to aid in remineralization?
Calcium
Phosphate
Fluoride
What is a combination of casein phosphopeptides (CPP) and amorphous calcium phosphate (ACP)?
Recaldent a remineralization program
What is casein derived from?
Cow’s milk
Is casein safe for those who are lactose intolerant?
Yes but not for those with a milk allergy
What paste is a remineralization program?
MI paste containing 10% recaldent
What allows for the greatest absorption of MI paste?
3-5 minutes of contact time
What is the most well known remineralization program?
Fluoride - topical fluoride
What is the active ingredient in Fluoridex?
1.1% neutral NaFl
What remineralization program is called a wood or birch sugar that is used as a sugar substitute and is a powerful inhibitor of bacterial growth?
Xylitol
What is a bioactive glass which releases calcium and phosphate ions when exposed to saliva?
Novamin
What is the prevalence of xerostomia in those 65 and older?
30%
A client does not perceive dry mouth until at least __% of the saliva is gone.
50%
What can xerostomia lead to?
Choking, dysphagia
Dificulty speaking
Dental decay
Halitosis
Dysgeusia
Swollen, red tongue
Ill fitting dentures
Painful, bleeding gums
What is the number one cause of xerostomia?
Medication side effects
How many drugs are known to cause xerostomia?
Over 500
What are other causes of xerostomia besides medications?
Factors affecting salivary centre
Factors affecting the automatic outflow pathway
Factors affecting salivary gland function
Factors affecting fluid or electrolyte balance
What factors affecting the salivary centre cause xerostomia?
Emotions
Neurosis
Organic disease - tumors
What factors affecting the automatic outflow pathway causes xerostomia?
Encephalitits
Accidents
CVAs
Medications
What factors affecting salivary gland function causes xerostomia?
Sjorgen’s syndrome
Sialoliths
Radiation
What factors affecting fluid or electrolyte balance cause xerostomia?
Diabetes
Cardiac failure
Anemia
What is the treatment for xerostomia?
Water
Limit caffeine
Sugarless candies or gum
Acoid alcohol and smoking
Humidifier
Avoid sugar and refined carbs
OHI - rinses, gels, remineralization process and removal of bacteria
What is saliva substitute?
Antibacterial enzyme system
Why is glycerin to be avoided for xerostomia?
Glycerin is hypertonic and therefore draws moisture out of tissues