Final Exam Flashcards

(188 cards)

1
Q

what percent of the US population currently smokes cigarettes?

A

14% (34 million)

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2
Q

how many people die per year as a result of DIRECT tobacco use? what about INDIRECT tobacco use?

A

direct - 8 million
indirect - 1.2 million

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3
Q

what is the most common form of tobacco use worldwide? what are other forms of tobacco use?

A

most common - cigarette smoking
other - smokeless tobacco, cigars, pipe, bidis, and roll-your-own tobacco

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4
Q

disparity in tobacco use remains across groups defined by:

A

race, ethnicity, educational level/socioeconomic status, and regions of the country

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5
Q

8.2% of Hispanic adults in the US smoke cigarettes. Who are more likely to smoke cigarettes?

A

those born in the US

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6
Q

in the hospitality industry, who is the most exposed to secondhand smoke?

A

hispanics

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7
Q

who has the highest prevalence of cigarette smoking compared to other racial/ethnic groups in the US

A

american indians/alaskans

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8
Q

deaths attributed to smoking

A

pulmonary disease, cancer, or cardiovascular disease

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9
Q

what are the primary effects of smoking due to?

A

toxins and chemicals produced by burning of tobacco

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10
Q

what is the most effective mechanism to deliver nicotine to the brain?

A

inhalation thru the lungs

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11
Q

what are the nicotine addiction mechanisms?

A
  1. rewarding experience of smoking (dopamine release)
  2. increased tolerance and dependence of nicotine (leading to withdrawal symptoms)
  3. learnt experience of responding to situational and emotional triggers with smoking
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12
Q

what is the tobacco mechanism of action?

A

nicotine acts on dopaminergic receptors in ventral tegmental area, causing burst firing of dopamine neurons leading to drug reinforcement

increasing dopamine release from ventral tegmental area neurons contribute to addiction

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13
Q

what receptor does nicotine work thru? what part of brain works for drug reinforcement?

A
  1. works thru dopamine receptor
  2. midbrain plays pivotal role in drug reinforcement
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14
Q

dopamine reward pathway

A

nicotine enters brain > stim nicotine receptors > ventral ttegmental area > nucleus accumbens > prefrontal cortex

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15
Q

how can you approach tobacco cessation?

A

behavioral intervention or pharmacologic strategies

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16
Q

what is behavioral intervention?

A
  • only 3-5% of smokers who quit on their own succeed
  • intervention by HC professional combined with appropriate medication increases success of maintaining abstinent by 30%
  • dentists can have significant impact on tobacco quit rates
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17
Q

how do pharmacological agents aid with tobacco cessation?

A

provides nicotine in various forms to lessen or relieve cravings

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18
Q

examples of pharmacological agents for tobacco cessation

A
  1. nicotine replacement therapy (NRT) - gum, lozenge, nicotine patch, inhaler, spray
  2. varenicline - decreases craving and withdrawal syndrome
  3. bupropion - antidepressant
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19
Q

how does NRT work

A

pure nicotine is administered, removes exposure to nitrosamines and toxins while behavior changes are made

by self-dosing, the user has control over amount of nicotine needed for cessation

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20
Q

OTC nicotine gum

A

doubles odds of successful cessation attempt
can lead to toxicity as many users use it like reg gum

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21
Q

OTC transdermal nicotine patch

A
  • diffuse steady dose nicotine thru skin
  • peaks about 4-8 hours, maintains for 15-24 hours
  • milk skin irritation experienced
  • insomnia may be side effect, so lower dose
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22
Q

prescription nicotine inhaler

A
  • nicotine puffed into mouth where held and diffuse thru oral mucosa
  • mimics smoking and meets smokers emotional need
  • benefits highly addicted users, results in immediate dose of nicotine
  • can cause local irritation and congestion
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23
Q

prescription varenicline - chantix

A

pill form stimulates nicotine receptors
12 weeks of therapy

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24
Q

prescription bupropion - wellbuttrin

A

antidepressant pill form
safe, doubles chances of quitting
contraindicated in seizure disorders, alcoholics, and eating disorders

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25
adverse effects of pharmacological agents
agitation, depressed mood, and suicidal tendencies
26
smoking vs. vaping
smoking: created by open flame, very high temp, tobacco destroyed, produces harmful toxins, tar causes smell to linger, causes secondhand smoking vaping: does not involve open flame, temp is much lower, liquid is vaporized, devoid of toxins, smell greatly reduced, no secondhand smoking
27
has any e-cigarette been approved as a cessation device or authorized to make a modified risk claim?
NO!
28
what is public health?
winslow: science and art of preventing disease, prolonging life, and promoting physical health and efficiency thru organized community efforts IOM: fulfilling society's interest in assuring conditions in which people can be healthy
29
three core PH functions
1. assessment 2. policy development 3. assurance
30
what are 10 essential PH services?
1. assess and monitor population health 2. investigate, diagnose, and address health hazards and root causes 3. comm. effectively to inform and educate 4. strengthen, support, and mobilize communities and partnerships 5. create, champion, and implement policies, plans and laws 6. utilize legal and regulatory actions 7. enable equitable access 8. build a diverse and skilled workforce 9. improve and innovate thru evaluation, research, and quality improvement 10. build and maintain a strong organizational infrastructure for PH
31
what is dental public health
science and art of preventing and controlling dental diseases and promoting dental health through organized community efforts. It is that form of dental practice which serves the community as a patient rather than the individual. It is concerned with the dental education of the public, with applied dental research, and with the administration of group dental care programs as well as the prevention and control of dental diseases on a community basis"
32
what is a dental public health specialist (DPH)
- 1 of 9 dental specialties of ADA - contributes to new knowledge, research, education and services that directly benefit different aspects of clinical pt care
33
what is clinical care
prevention, tx, and management of illness and preservation of mental and physical well being thru health care services
34
what is a determinant
factor that contributes to generation of a trait
35
what is a health outcome
result of a medical condition that directly affects the length or quality of person's life
36
what is population health
approach to health that aims to improve health of entire population
37
what is prevention
action to avoid, forestall, or circumvent a happening, conclusion or phenomenon (e.g. disease)
38
what is intervention
action or ministration that produces an effect or is intended to alter course of pathological process
39
what is a target population
group of individuals that the intervention intends to conduct research in and draw conclusions from
40
why is oral health important
oral health is a key indicator of overall health, well-being and quality of life
41
what are the core elements of oral health
1. disease and condition status 2. physiological function 3. psycho-social function
42
core element: disease and condition status
refers to threshold of severity or level of progression of disease which also includes pain and discomfort
43
core element: physiological function
refers to capacity to reform a set of actions (e.g. speak, smile, chew, and swallow)
44
core element: psychosocial function
relationship btwn oral health and mental state (e.g. capacity to speak, smile, and interact in social and work situations w/o feeling uncomfortable or embarrassed)
45
definition moderating factors for oral health
elements that determine or affect how a person scores their oral health
46
5 main factors that affect oral health
1. genetic and biological factors 2. social environment 3. physical environment 4. health behaviors 5. access to care
47
what are SDOH
conditions in the environments where people are born, live, learn, work, play, worship and age that affect wide range of health, functioning, and quality of life outcomes and risks Social determinants of health
48
5 domains of SDOH
1. economic stability 2. education access and quality 3. health care access and quality 4. neighborhood and built environment 5. social and community context
49
what percent of caries is pit and fissure caries
85%
50
where are sealants mostly underused
among those at high risk of experiencing caries; children in lower-income and certain racial and ethnic groups
51
unsealed molars are ___ more likely than sealed molars to receive a caries related service
3x
52
what group of people should you consider sealants for prevention where there is non lesion but tooth or individual is at risk? which teeth?
children - permanent teeth adolescents - permanent teeth
53
what group of people should you consider sealants to limit progression in early non-cavitated lesions? which teeth?
children - all teeth adolescents - all teeth young adults - all teeth
54
sealant indications
1. occlusal fissures, pits, and fossa 2. lingual pit on incisors and molars 3. buccal pits of molars 4. anywhere a pit of fissure is deep when in doubt, seal and monitor
55
dental sealant placement step by step
1. tooth is cleaned and dried 2. etching solution applied 3. liquid sealant applied 4. curing light hardens
56
where do majority of carious of lesions occur
pits and fissures
57
what is highly effective when placed over pits and fissures of occlusal, buccal and lingual pits and grooves?
sealants in both primary and permanent teeth
58
sealants reduce caries up to __%
90%
59
fluorides are highly effective in reducing number of carious lesions where?
on smooth surfaces of enamel and cementum are arrested and remineralized with fluoride e.g. proximal surfaces (not equally effective in protecting the occlusal pits and fissures like sealants)
60
what is a sealant
- liquid resin commonly placed over occlusal surface of the tooth with a pit or fissure that cannot be cleaned with toothbrush - hard resin is a barrier between tooth and bacteria - sealing reduces Streptococcus mutans because their habitat is drastically reduced
61
a one time dental sealant program will decrease caries by __% after 4 years
59% sealants thru school-based programs are effective and saves more than $11 in tx costs for each tooth
62
what is an enameloplasty? goals of treatment?
modifying enamel with a bur, more of a treatment procedure than a preventative approach goals: limit outline form of prep and limit cutting enamel
63
prophylactic odontomy
early insertion of small restorations in deep pits and fissures before carious lesions had the opportunity to develop not used anymore- sealants used instead
64
the do nothing or wait and watch approach violates what principle?
ethical principle of non maleficence, which means to do no harm
65
sealants more used with what?
with the development of Bis-GMA, UDMA, and TEGDMA
66
Bis-GMA resin
resin that is the most frequently applied sealant mixture of Bis-GMA and methyl methacrylate BPA may be a biproduct
67
BPA
Bisphenol A - a plastic found in many products that mimic estrogen blamed for low sperm counts in males and cancer in females however, amounts of BPA that could be ingested within 24-hour period do not exceed established human exposure limits
68
filled vs. unfilled sealants
filled - contain microscopic glass beads, quartz particles, and other fillers used in composite resins. coated with products such as silane to facilitate combination with Bis-GMA. more resistant to abrasion and wear unfilled - more quickly to wear but usually do not need occlusal adjustment
69
resin matrix + filler (coated with silane) = ?
resin composite/filled sealant
70
sealants methods of polymerization
light cured with used of visible blue light OR chemical cured (monomer and catalyst are mixed together to induce polymerization without use of light source)
71
polymerization catalysts
light cured: camphoroquinone self cured: benzoyl peroxide
72
which generation of sealants first used visible blue light?
3rd generation
73
atraumatic restorative technique aka interim therapeutic restoration
removal of soft/demineralized tooth tissue using a hand instrument alone
74
sealant retention
1. resin sealants are retained better on recently erupted teeth than on teeth with a more mature surface 2. retained better on first molars than on second molars and on mandibular than maxillary
75
criteria for selecting teeth for sealant placement
well isolated on fully erupted fossa teeth on opposite sides of the arches incipient lesions exist in pit and fissure area
76
can sealant material be flowed over a conservative class I composite or amalgam?
Yes! used to improve marginal integrity and into remaining pits and fissures to prevent further recurrent decay
77
sealant contraindications
1. patient behavior does not allow for adequate dry-field technique during procedure 2. open carious lesion on same tooth 3. caries exist on other surface of the same tooth 4. large occlusal restoration already present
78
four commandments for successful sealant placement
1. max surface area 2. deep, irregular pits and fissures 3. be clean 4. be absolutely dry
79
acid etch for sealants
- increases surface area - liquid or gel is acceptable - keep acid off oral mucosa - keep sealant out of interproximal contact
80
cleaning tooth surface for sealants
- pre clean with oil free pumice - all heavy stains, deposits, debris, and plaque should be removed
81
why dry the tooth surface
sealants are hydrophobic make sure air syringe does not leak fluid if saliva contacts tooth before sealing, have to re-etch, wash and dry
82
air inhibited layer
There is an oxygen inhibited layer on all resin surfaces that is sticky and tacky, that faces the air, facilitates adding in increments but final layer will wear off This unreacted layer should be removed with gauze sponge or cotton roll after light cure (minimize BPA)
83
sealed lesions over incipient and overt caries become what?
inactive bacteriologically progression does not occur as long as sealant or interim restoration remain intact
84
what is the most technique sensitive procedures done in dental office?
placing sealants
85
remineralization occurs with what?
help of saliva (provides calcium/phosphorus proline-rich polypeptides)
86
how is saliva a natural defense mechanism?
- function as a buffer to keep pH at favorable levels - has direct anticariogenic activity
87
sugar free or xylitol gum
- sitmulates salivation - enhances remineralization - has antibacterial effect - non-cariogenic
88
criteria for visual examination of pit and fissure caries
seal score 0-1, maybe 2-3 0: slight change in enamel translucency 1: opacity or discoloration hardly visible on wet surface, air-dry visible 2: opacity or discoloration distinctly visible without air-dry 3: enamel breakdown in opaque or discolored enamel 4: cavitation in opaque or discolored enamel, exposing dentin
89
arrested caries
- white or brown spot with shiny surface - no soft cavitation, been like this for years - with age of tooth, don't need to treat aka inactive caries
90
how to treat active lesion? arrested lesion?
active - prevention w/ chemical fill (fluoride) or fill with restorative treatment (sealant or composite/amalgam) arrested - no tx needed
91
why do sealants work on enamel?
because 90% or more of enamel is inorganic
92
how to minimize sealant bubbles
using a brush to apply sealant
93
how is a sealant retained?
micromechanical retention
94
other strategies for caries management
diet control sugar substitutes remineralizing therapies
95
what is the characteristic of diet that contributes to its cariogenicity?
frequency of fermentable CHO and timing of fermentable CHO (btwn meals and before sleep)
96
what is the most effective caries prevention strategy after fluoride?
sealants
97
T/F: Dental caries is a transmissible, infectious disease.
true
98
T/F: The prevalence of dental caries increases with age.
true
99
T/F: At the early stage, carious lesions are reversible.
true
100
T/F: Dental caries is the most common chronic disease of childhood.
true
101
T/F: 85% of carious lesions occur in pits and fissures.
true
102
T/F: Active caries in root surface is soft and leathery and usually covered by dental plaque.
true
103
the critical pH for enamel demineralization is
5.5
104
what bacterium is the most implicated in dental caries?
s. mutans
105
T/F: dental caries most often occurs on proximal surfaces
false
106
T/F: the amount of sugar we eat is more important than frequency of eating sugar
false
107
who can conduct an oral health screening?
licensed health professional: RN, LPN, NP, Physician, Dentists or Dental hygienists
108
oral health screenings do not replace what?
do not replace complete in office dental examinations performed by a dentist
109
dental screening categories
0 = no obvious dental problems/need 1 = early problems/need with teeth in 1-2 quadrants of mouth 2 = urgent needs such as pain, swelling, abscess of observable problems with 3 or more quadrants of the mouth
110
supragingival plaque
located above gingival margin associated with caries and gingivitis
111
subgingival plaque
located below gingival margin associated with gingivitis and periodontitis
112
when to replace toothbrushes
every 90-120 days or sooner if bristles splay
113
bass toothbrushing technique
brushing with fluoridated toothpaste reduces dental caries by 25% brush for 2 minutes at least twice a day
114
best toothpaste
- ADA seal with fluoride - may contain ingredients to help with sensitivity, whitening, gingivitis, tartar buildup, and enamel erosion
115
tooth brush or floss first?
floss first
116
target population definition
represents certain segment of population that consists of groups of individuals with similarities of some sort
117
common oral conditions of pregnancy
pregnancy gingivitis, benign oral gingival lesions, tooth mobility w/o periodontitis, tooth erosion, dental caries, periodontitis
118
1 in 4 women of childbearing age have what?
untreated caries
119
pyogenic granuloma
aka pregnancy tumor - round growth connect to gingiva by thin cord of tissue that may develop due to hormonal changes - women who have extensive and severe gingivitis during pregnancy are more likely to develop oral pregnancy tumors
120
what is inversely proportionate to pregnancy gingivitis?
matrix metalloproteinases or MMPS
121
When the integrity of the gingival epithelium is compromised by periodontal disease, ___ can gain direct access to the systemic blood circulation and may directly invade tissues located remotely from the oral cavity
virulent subgingival bacteria
122
The resulting bacteremia together with the bacterial virulence factors provoke the release of responding host inflammatory mediators, hence increasing the level of ___
systemic inflammation
123
Infection in the ___ supports an association between preterm birth (PTB) or low birth weight (LBW) and infection during pregnancy
chorion and amniotic apparatus
124
The presence of amniotic inflammatory factors promotes production of cytokines, which release ___
prostaglandins
125
Once these prostaglandins have reached a threshold level, they appear to facilitate the onset of preterm labor through ___
cervical dilation
126
The high rate of infant mortality in the U.S. is a ___
public health crisis
127
what are the most significant predictors or infant health and survival
pre term birth (PTB) and low birth weight (LBW)
128
T/F: Oral health care, including having dental radiographs taken and being given local anesthesia, is safe an ANY point during pregnancy
true
129
what percent of pregnancy related deaths are preventable?
80%
130
what percent of pregnancy related deaths occurred 7-365 days postpartum
53% 7-42 days: 23.3% 43-365 days: 30%
131
most frequent causes of 75% of deaths
mental health conditions cardiac and coronary conditions therefore must do mental health and cardiovascular screenings
132
teething
localized: intermittent discomfort generalized: irritability, low-grade fever, and excessive salivation many children have no apparent difficulties treat of symptoms - oral analgesics and teething rings
133
what is an infectious bacterial disease that occurs in the first three years of a child's life
early childhood caries (ECC) aka bottle caries
134
ECC is a multifactorial disease meaning what?
there are many interacting individual, cultural, social and socioeconomic
135
what is the most common chronic childhood disease
dental caries
136
what is a dental home
an ongoing relationship between the dentist and patient should be established no later than 12 months of age dental home addresses anticipatory guidance and preventative, acute, and comprehensive oral health care
137
lap exam
method for dentist to safely examine young child's teeth while allowing them to remain seated on caregiver's lap
138
factors that are assessed in caries-risk assessment form for 0-5 year olds
biological protective clinical findings
139
anticipatory guidance
1. oral development 2. fluoride adequacy 3. nonnutritive habits 4. diet and nutrition 5. oral hygiene 6. injury prevention
140
updated fluoride guidelines
- use a SMEAR of toothpaste from erupion of first tooth to 3 years old - followed by use of pea sized amount for children aged 3- years to reduce risk of fluorosis
141
updated fluoride guidelines
- use a SMEAR of toothpaste from erupion of first tooth to 3 years old - followed by use of pea sized amount for children aged 3+ years to reduce risk of fluorosis
142
what should you instruct caregivers regarding bottled water?
use bottled water without fluoride if using fluoridated formula
143
T/F: professional fluoride applications are not indicated for adults
false
144
T/F: fluoride mouth rinse should not be recommended for a child under 6 years of age
true
145
T/F: maximal effectiveness of fluoride mouth rinse requires rinsing for at least 2 full minutes once per day
false
146
for dental caries to develop, which conditions must occur simultaneous?
host and teeth, refined carbs, time, microflora
147
where can carious lesions occur
gingival margin pit and fissures
148
what s composed of tooth enamel?
enamel rods
149
where there is an immediate drop in pH after carbohydrate consumption to a normal pH, this is termed:
stephan curve
150
T/F: although food types are importanat in producing a cariogenic (low pH) environment, frequent between meals snacks and drinks can maintain a low pH environment throughout the day, which shifts the demineralization/remineralization continum toward caries formation
true
151
infected dentin vs. affected dentin
infected should be removed unless danger of pulp exposure affected can leave, does not need to be totally removed
152
rate of caries progression on smooth surfaces
smooth surface caries progress slower than fissure caries takes about 18 months +/- 6 months for progression on smooth surfaces
153
how should teeth restored when the lesion approaches the outer third of dentin
cavitation
154
what is an inicipient lesion
white lesion on enamel that has not been affected by acid demineralization but has not yet developed a cavity or cavitated thru the outer surface of enamel
155
what does CAMBRA stand for
caries management by risk assessment
156
why use CAMBRA
- can be controlled by patient and dentist - treatment is based on patient's caries risk
157
steps of CAMBRA
1. detect caries by oral exam 2. classify pt as low, moderate or high risk 3. recommend different tx based on caries risk 4. pathological environment can be changed
158
Why roughen the surface of the tooth?
To improve surface area
159
There’s only a _ from the bonding agent to the etched enamel
Micromechanical bond
160
Composite to bonding agent is what type of bond
Chemical bond
161
Does bonding agent wet tooth better than sealant?
Yes
162
There is ___ retention btwn tooth and bonding agent but ___ bond btwn bonding agent and the sealant or flowable resin or composite resin
micromechanical; chemical
163
primary colonizers, secondary colonizers, and tertiary colonizers
primary: gram +, facultative secondary: gram -, anaerobic tertiary: present after 1 week
164
supragingival plaque
- located above gingival margin - associated with caries and gingivitis
165
subgingival plaque
- located below gingival margin - associated with gingivitis and periodontitis
166
are damages caused by periodontitis reversible with primary preventative measures?
NOT reversible with primary preventative measures. Preventative procedures aid in the CONTROL of periodontitis
167
how to floss
18 inches around middle fingers floss in "C" shape
168
what does the clinician identify with CAMBRA?
identifies cause of disease by assessing the patient's risk factors
169
methods of disease prevention (what we need to know for exam), percentage of decay it reduces, and its application
fluoride tooth paste; 20-25%; 2x daily for 2 minutes water fluoridation; 25-30%; drink tap water daily
170
sealant application process
1. prep tooth 2. tooth isolation 3. acid etching 4. rinse and dry 5. bond agent application (optional) 6. air thin and curing 7. sealant application 8. curing 9. final treatment of surface 10. check retention
171
is dental care safe during pregnancy?
YES! it is safe and essential during pregnancy. diagnostic measures, including taking dental xrays can be provided safely delay in treatment could cause unforseen harm to mother and baby
172
what occurs prior to tooth eruption?
permanent s. mutans colonization of the oral cavity occurs prior to tooth eruption sucrose facilitates adherence of s. mutans to tooth's surfce source of s. mutans infection is the primary caregiver
173
___ months of age is the "window" of infectivity" for caries
6-30 months of age
174
should infants be put to sleep with bottle
no
175
ad libitum nocturnal breast feeding should be avoided when?
after the first primary tooth begins to erupt
176
when should infants drink from a cup? when should infants be weaned from the bottle?
should be encouraged to drink from cup as they approach first birthday. infants should be weaned from bottle at 12-14 months of age
177
oral hygiene measures should be implemented by the time of eruption of what?
first primary tooth
178
cariogenic
foods that contain fermentable carbs and when in contact with microorganisms in the mouth, can decrease pH and start the caries process
179
anticariogenic
foods that prevent plaque from recognizing an acidogenic (cariogenic) food when it's eaten (e.g. xylitol gum and cheese)
180
cariostatic
foods that don't contribute to decay (e.g. proteins like eggs, fish, meat, poultry or non-starch vegetables, fats, sugarless gums)
181
how can dentists aid in prevention of oral cancer
- in office screenings/examinations - annual in office screenings with palpation of lymph nodes on all patients is the standard of care - counsel patients on eliminating or reducing risk factors
182
special care dentistry
intellectual disability, autism spectrum disorders, cerebral palsy, down syndrome, and geriatrics
183
what is patient centered care
ongoing active partnership between patient and health provider who is dedicated to providing proactive, preventive and chronic care management throughout all stages of life
184
what is health education
more than information only, it includes patient involvement voluntary adaptations of behavior are adopted and maintained improves knowledge, has positive but temporary effects on plaque levels has no discernible effect on caries experience but preventive measures such as fluorides and sealants do
185
what is social learning (cognitive) theory
people can learn by observing; learning can occur without a change in behavior cognition plays a large role in learning one's personal actions will impact outcomes
186
stages of change
1. precontemplative 2. contemplative 3. determinism 4. active change 5. maintenance 6. relapse
187
counseling relationship thru motivational interviewing is called what?
a partnership
188
motivational interviewing
1. motivation to change is initiated by patient not provider 2. direct persuasion is not effective in changing behavior 3. counseling style is quiet and encourages patient participation 4. provider must assist patient in examining conflict of ambivilance 5. readiness to change is not stagnant or innate but fluctuates