This document provides an overview of preventive dentistry, including its history, definitions, concepts, principles, levels of prevention, and strategies for preventing common oral diseases. Some key points include: - Preventive dentistry aims to prevent and limit dental diseases and disabilities through interventions like patient education, risk assessment, and early treatment. - There are three levels of prevention - primary, secondary, and tertiary. Primary prevention occurs before disease onset, secondary prevention treats early-stage disease, and tertiary prevention focuses on rehabilitation. - Common strategies for diseases like dental caries include fluoride applications, dental sealants, and oral health education to promote behaviors like proper brushing and a non-cariogenic diet

2. Contents
Introduction and history
Definitions
Concepts of preventive dentistry
Scope of preventive dentistry
Principles of preventive dentistry
Modes of intervention
Levels of prevention
Prevention of caries
Prevention of periodontal diseases
Prevention of oral cancer
Preventive orthodontics
Conclusion

3. INTRODUCTION
Dr. Greene Vardiman Black (1836-1915)
Black made a
prophetic
statement "The day
is surely coming
and perhaps within
the lifetime of you
young men before
me when we will be
engaged in
practicing
preventive rather
than reparative
dentistry".

4. HISTORY
Alfred Fones

5. DEFINITIONS
HEALTH - “a state of complete physical, mental
and social well-being and not merely the absence
of disease or infirmity” (World Health
Organization 1946)
PREVENTIVE DENTISTRY – It is that specialized
branch of dentistry which deals with the
prevention and interpretation of the progress of
all dental and oral diseases, prevention and
limitation of disabilities and provides
rehabilitation.

6. CONCEPTS
OF
PREVENTIVE
DENTISTRY
Spans from
womb to
tomb
Continuous
process
Teamwork
including
dentists and
patients
Economical
and
effective
Old concept

7. Control of disease
Patient education and motivation
Development of host resistance
Restoration of function
Maintenance of oral health
PRINCIPLES

8. SCOPE
Factors
predisposing to
disease can be
controlled
Factors
encouraging the
advancement of
disease can be
altered
Complication of
disease and
deformity can
be avoided
Factors causing
recurrence of
disease can be
eradicated.

9. Primordial
prevention
Primary
Prevention
Secondary
prevention
Tertiary
Prevention
LEVELS OF PREVENTION

10. PRIMORDIAL PREVENTION
A new concept
Prevention of the emergence or
development of risk factors in countries or
population groups in which they have not
yet appeared
Individual and mass education

11. PRIMARY PREVENTION
Taken prior to the onset of disease which
removes the possibility that the disease will
ever occur (K. Park)
Uses strategies and agents to prevent the
onset of disease, reverse the progress of
disease or arrest the disease process before
secondary treatment becomes necessary.
This level is sometimes thought of as dental
hygiene (Norman Harris)

12. Concept of positive health
Encourages
achievement
and
maintenance
of an
acceptable
level of
health
that will
enable every
individual to
lead a
socially and
economically
healthy life

13. Approaches for Primary Prevention
1Population
(mass)
strategy
The WHO has recommended the following approaches for the primary
prevention of chronic diseases where the risk factors are established:
2 High -risk
strategy
• “Population strategy" is directed at the whole population
irrespective of individual risk levels.
• The population approach is directed towards socio-
economic, behavioral and lifestyle changes
• The high -risk strategy aims to bring preventive care to
individuals at special risk.
• This requires detection of individuals at high risk by the
optimum use of clinical methods.

14. Health
promotion
Specific
protection
The process of
enabling people
to increase
control over
factors that
influence their
health and
thereby improve
their health
It is targeted at a
specific disease
or type of injury

15. Primary
prevention
Health promotion
Life style and behavioral
changes
Nutritional interventions
Health education
Environmental modifications
Specific protection
Immunization and
seroprophylaxis
Use of specific nutrients or
supplementations
Protection against
occupational hazards
Safety of drugs and foods
Control of environmental
hazards,

16. Goal:
Reduce number of new casesPhase of disease:
• Specific Causal Factors
Typical
activities:
• Remove or reduce source of
the risk
• Educate and make aware of
disease risk
• Include behavioral changes
to reduce exposure
• Improve general health
Target
population: Those who are most likely to
be exposed (high risk) and/or
could increase their resistance
PRIMARY PREVENTION

17. SECONDARY PREVENTION AND EARLY
INTERVENTION
It is defined as “ action which halts (stop)
the progress of a disease at its incipient
stage and prevents complications.”
Reverse the initiation of disease
An outcome of good health can still be
achieved

18. Approaches for Secondary Prevention
Early
diagnosis
and
treatment.
Early diagnosis (e.g. screening tests, and case finding
program)
Treating it before irreversible pathological changes take
place, and reverse communicability of infectious diseases

19. Goal:
• Reduce number of new cases;
• Reduce number of severe cases
Phase of disease:
Early stage of disease
Typical
activities:
• Screening for exposure
and/or disease
• Post-exposure prophylaxis
• Early treatment to reduce
impact of disease/reverse
course
Target
population:
Those who have been exposed to
the disease-causing agent or have
early symptoms of the disease
SECONDARY PREVENTION

20. Tertiary Prevention
All measures available to reduce or limit impairments
and disabilities, minimize suffering caused by existing
departures from good health and to promote the
patients adjustment to irremediable conditions
Disease  impairment  disability  handicap
A.Disability limitation early symptomatic disease
B.Rehabilitation  late symptomatic disease

21. IMPAIRMENT
- any loss or abnormality of
physiological, psychological or
anatomical structure or function.
DISABILITY
- any restriction or lack of ability to
perform an activity in the manner or
within the range considered normal
for a human being.
HANDICAPPED
- a disadvantage for a given individual
resulting from an impairment or a
disability, that limits or prevents the
fulfillment of a role that is normal for
that individual
IMPAIRMENT Vs DISABILITY Vs
HANDICAPPED

22. Rehabilitation
The combined and coordinated use of medical, social, educational and vocational measures for
training and retraining the individual to the highest possible level of functional ability.
VOCATIONAL
REHABILITATION
PSYCHOLOGICAL
REHABILITATION
SOCIAL
REHABILITATION
MEDICAL
REHABILITATION
Restoration
of Function
Restoration of
Personal
Dignity and
Confidence Restoration of
the Capacity
to earn a
livelihood Restoration of
Family and
Social
Relationship

23. Goal:
Reduce number/impact of
complications
Phase of disease:
Late stage of disease
Typical
activities:
• Treatment tailored to the
patient
• Rehabilitation to promote
recovery
Target
population:
Those who have disease and need
treatment
TERTIARY PREVENTION

24. 1.Oral evaluation
2.Dental Prophylaxis
3.Fluoride as
preventive agent
4.Dental sealants
5.Health education
6.Health promotion
1.Dental restoration
2.Periodontal
Debridement
3.Fluoride use on
incipient caries
1.Prosthodontics
2.Implants
3.Oromaxillofacial
Surgery
Primary
prevention
Tertiary
prevention
Secondary
prevention

25. THE PROCESS OF DISEASE AND
INTERVENTION
INTERVENTION
RECOVERY
PROCESS
WELLNESS ILLNESS DISABLITY
DEATH
SECONDARY
PREVENTION
CLINICAL CARE
PRIMARY
PREVENTION
PREVENTIVE CARE
HEALTH PROMOTION
TERTIARY
PREVENTION
REHABILITATION
MAINTAINAENCE CARE

26. MODIFIED VERSION OF LEAVELLS
LEVELS OF PREVENTION
TERTIARY
PREVENTION
SECONDARY
PREVENTION
PRIMARY
PREVENTION
NO KNOWN RISK
FACTORS
HIDDEN STAGE:
ASYMPTOMATIC
DISEASE
INITIAL CARE
DISEASE
SUSCEPTIBLITY
SUBSEQUENT
CARE
PRE-DISEASE
STAGE
LATENT STAGE
SYMPTOMATIC
DISEASES
HEALTH PROMOTION:
• Lifestyle Changes
• Nutrition
• Environment
SPECIFIC PROTECTION:
• Nutrition Supplements
• Immunizations
• Occupational And Automobile
Safety Measures
• SCREENING(for population )
• CASE FINDING(for individuals)
• TREATMENT: If disease found
DISABLITY LIMITATION:
Medical or Surgical
treament to limit damage
REHABILITATION:
Identify and teach
methods to reduce
physical and social
disalbity

27. Prevention
strategy
Primary Secondary Tertiary
Disease Status Susceptible Asymptomatic Symptomatic
Effects Reduced disease
incidence
Reduced
prevalance/
consequence
Reduced
complications/
disability

28. Prevention of caries
Sealants Fluorides
Pacifier

29. LEVELS OF
PREVENTION
PRIMARY PREVENTION SECONDARY
PREVENTION
TERTIARY PREVENTION
Preventive Services Health Promotion Specific Protection Early Diagnosis and
Prompt Treatment
Disability
Limitation
Rehabilitation
Services provided
by the individual
• Diet planning
• Demand for
preventive
services
• Periodic visits to
the dental office
• Appropriate use of
fluoride
• Ingestion of
fluoridated water
• Use of fluoride
dentifrices
• Oral hygiene
practices
• Self examination
and referral
• Utilization of
dental services
• Utilization of
dental services
• Utilization of
dental services
Services provided
by the community
• Dental health
education
• Promotion of
research efforts
• Lobby efforts
• Community school
water fluoridation
• School fluoride
tablet program
• School sealant
program
• Screening and
referral
• Provision of
dental services
• Provision of
dental services
• Provision of
dental services
Services provided
by the dental
professional
• Patient
education
• Plaque control
program
• Diet counselling
• Recall
• Reinforcement
• Topical application
of fluoride
• Fluoride
supplement/rinse
• Pit and fissure
sealants
• Caries activities
tests
• Complete exam
• Prompt
treatment of
incipient lesions
• Preventive resin
restorations
• Simple
restorations
• Pulp capping
• Complex
restorative
dentistry
• Pulpotomy
• RCT
• Extraction
• Removable and
fixed
prosthodontics
• Minor tooth
movements
• Implants

30. Dentifrices and
Mouthwashes
Dental floss
Prevention of periodontal disease

31. LEVELS OF
PREVENTION
PRIMARY PREVENTION SECONDARY
PREVENTION
TERTIARY PREVENTION
Preventive Services Health Promotion Specific Protection Early Diagnosis and
Prompt Treatment
Disability Limitation Rehabilitation
Services provided by
the individual
• Periodic visits to
dental office
• Demand for
preventive
services
• Oral hygiene
practices
• Self examination
and referral
• Utilization of
dental services
• Utilization of
dental services
• Utilization of
dental services
Services provided by
the community
• Dental health
education
programs
• Promotion of
research
• Provision of oral
hygiene aids
• Supervised
school brushing
programs
• Periodic Screening
and referral
• Provision of dental
services
• Provision of dental
services
• Provision of dental
services
Services provided by
the dental
professional
• Patient education
• Plaque control
program
• Recall
• Reinforcement
• Plaque control
program
• Correction of
mal-aligned
teeth
• Prophylaxis
• Complete
examination
• Scaling and
curettage
• Corrective
restorative and
occlusal services
• Deep curettage
• Root planing
• Splinting
• Periodontal
surgery
• Selective
extraction
• Removable or
fixed partial
dentures
• Minor tooth
movement s

32. Prevention of Malocclusion
Minor orthodontics Space maintainers
Habit breaking
appliances

33. LEVELS OF
PREVENTION
PRIMARY PREVENTION SECONDARY
PREVENTION
TERTIARY PREVENTION
Preventive Services Health Promotion Specific Protection Early Diagnosis and
Prompt Treatment
Disability Limitation Rehabilitation
Services provided by
the individual
• Dental health
education
programmes
• Promotion of
protective grab
• Lobby efforts
• Patient education
• Use of protective
devices
• Habit control
• Use of dental
services
• Utilization of
dental services
• Utilization of
dental services
Services provided by
the community
• Mouthgaurd
programme
• Safety of school
buildings and
playgrounds
• Provision of dental
services
• Provision of dental
services
• Provision of dental
services
Services provided by
the dental
professional
• Caries control
• Space
maintainers
• Genetic
counselling
• Prenatal care
• Parental
counselling
• Minor
orthodontics
• Major
orthodontics
• Surgery
• Maxillofacial and
removable
prosthodontics
• Plastic surgery
• Speech therapy
• Counselling

34. Cancer screening Early diagnosis
Cancer awareness
Prevention of oral cancer

35. LEVELS OF
PREVENTION
PRIMARY PREVENTION SECONDARY
PREVENTION
TERTIARY PREVENTION
Preventive Services Health Promotion Specific Protection Early Diagnosis and
Prompt Treatment
Disability Limitation Rehabilitation
Services provided by
the individual
• Demand for
preventive services
• Periodic visits to the
dental office
Avoidance of
known irritants
• Self examination
and referral
• Utilization of
dental services
• Utilization of
dental services
• Utilization of
dental services
Services provided by
the community
• Dental health
education
programs
• Promotion of
research efforts
• Lobby efforts
Avoidance of
known irritants
• Periodic Screening
and referral
• Provision of dental
services
• Provision of dental
services
• Provision of dental
services
Services provided by
the dental
professional
• Patient education Removal of known
irritants
• Complete
examination
• Biopsy
• Complete excision
• Chemotherapy
• Radiotherapy
• Surgery
• Maxillofacial and
removable
prosthodontics
• Plastic surgery
• Speech therapy

36. ANTICIPATORY GUIDANCE
“Anticipatory Guidance is defined as proactive counseling of
parents and patients about developmental changes that will
occur in the interval between health supervision visits that
includes information about daily caretaking specific to that
upcoming interval [1]..”

37. INTEGRAL PARTS
COUNSELLING
INDIVIDUALIZED
DISCUSSION
• Oral hygiene Maintenance
• Dietary Habits
• Oral tissue Development
• Fluoride Needs
• Non Nutritive habits
• Anti-microbials & Meds in oral health
• Speech and Language development
• Injury prevention

38. Maternal oral
health and
caries status
Vertical
transmission
of S.mutans
Affects infants
oral health
Maternally
Derived
Streptococcus
Mutans
Disease
Prenatal counselling
MOTHERS WHO USED
XYLITOL PRODUCTS
MOTHERS WHO DID
NOT USE XYLITOL
Reduction in
caries activity in
infants
No significant
reduction in
caries activity in
infants

39. Development of Oral tissues
ERUPTION MAINTAINANCEFUNCTION

40. Perinatal Oral care
Before
Eruption
of primary
teeth After
Use of soft
toothbrush and
smear of
fluoridated
toothpaste
Wiping baby’s
mouth with a
soft cloth
twice daily

41. ERUPTION
UNNOTICED
MAY CAUSE STRESS OR
DISCOMFORT IN A CHILD
Applying pressure
over the gums
Numbing the
gums by applying
topical anestheisa

42. Diet , nutrition and food choices
1
The Parents /
caregivers
should be
intimated
against putting
baby to bed
with a bottle.
2
Children should
be encouraged
to use the cup
as early as
possible (by 1
year of age)
3
Parents should be
educated that the
frequency of
sugar exposures is
more detrimental
to oral health
rather than the
amount of sugar
4
Prolonged bottle
feeding with
sugar containing
drinks and
frequent
between meal
consumption of
sugar containing
snacks or drinks
(juice, formula,
soda) should be
thoroughly
discouraged
5
Acids in
carbonated
beverages can
have a
deleterious
effect on tooth
enamel causing
erosion
6
Dietary analysis
is to be done at
periodic intervals
and healthy
alternatives are
to be suggested
for replacing the
cariogenic foods

43. Non Nutritive Habits
Although the use of pacifiers and digit sucking are
considered normal, habits of sufficient intensity,
duration and frequency can contribute to deleterious
changes in occlusion and facial development. So it
becomes important to discuss the need to wean
from the habits as early as possible (by 3years of
age) [2]. For school aged children and adolescents
patient counseling regarding any existing habits (nail
biting, bruxism, clenching) is appropriate.

44. Sucking Habits
The Parents /
caregivers
should be
intimated
against putting
baby to bed
with a bottle.
1
Sucking is a
natural reflex
which is
present inutero
and is generally
given up by 4 –
5 years of age
2
BUT if it
persists
beyond this
age it may
result in
malocclusions.
3
To break the
habit, child
must be
educated
about the
harmful effects
of thumb
sucking

45. Speech and language
Speech and language are integral components of
child’s early development. Deficiencies and
abnormal delays in speech and language
production should be recognized early and
appropriate referral made to address these
concerns

46. Injury prevention
Facial trauma that results in fractured, displaced or lost tooth
can have significant negative, functional, esthetic and
psychological effects on children. Greatest incidence of
trauma to the primary dentition occurs at 2 – 3 years of age
and most common injuries to the permanent dentition occur
secondary to falls, traffic accidents and sports

47. Fluoride needs
Since fluoride contributes to the prevention, inhibition and
reversal of caries, the family’s source of drinking water
(bottled versus tap water, filtered or non-filtered, water
treated by reverse osmosis) is to be assessed for the content
of fluoride. Supplements of fluoride or topical fluoride
applications may be advocated depending upon the needs of
the patient.

48. Use of Medication and oral health

49. R
E
F
E
R
N
C
E
S
Primary preventive dentistry (7th ed) -
Norman O. Harris
Parks textbook of preventive and social
medicine
Essentials of preventive and community
dentistry - Soben Peter
Textbook of preventive and community
dentistry (2nd ed )- SS Hiremeth