American Journal Of Social Sciences And Humanity Research
170
https://theusajournals.com/index.php/ajsshr
VOLUME
Vol.05 Issue05 2025
PAGE NO.
170-172
10.37547/ajsshr/Volume05Issue05-42
Evaluating the Importance of Pit and Fissure Sealants in
The Prevention of Dental Caries
Shukurov Sherzod Shukhratovich
Assistant, Department of Pediatric Dentistry, Faculty of Dentistry, Uzbekistan
Received:
28 March 2025;
Accepted:
24 April 2025;
Published:
26 May 2025
Abstract:
Dental caries is a multifactorial, chronic disease that predominantly affects the occlusal surfaces of
posterior teeth, particularly among children and adolescents. While fluoride has proven effective in preventing
caries on smooth surfaces, it offers limited protection in deep pits and fissures of molars. Pit and fissure sealants,
introduced as a preventive dental method, provide a physical barrier against bacterial colonization and food
accumulation in these vulnerable areas. This article provides a comprehensive evaluation of the effectiveness,
indications, materials, application techniques, cost-benefit aspects, and public health implications of sealants in
pediatric caries prevention.
Keywords:
Pit and fissure sealants; dental caries prevention; pediatric dentistry; occlusal surface protection;
fluoride therapy; school-based dental programs; evidence-based prevention; public oral health; dental materials;
oral disease burden.
Introduction:
Dental caries continues to be the most
widespread chronic disease in children worldwide. The
occlusal surfaces of molars, due to their complex
anatomy, are highly susceptible to plaque retention
and are the most common sites for caries initiation.
Despite advancements in oral health awareness and
preventive measures, the incidence of dental caries
remains high, especially in low-resource settings.
Sealant therapy has emerged as a key preventive
measure, particularly for children in the mixed and
permanent dentition phases.
Molars and premolars have occlusal surfaces with
intricate grooves and pits. These anatomical structures
are often narrow, deep, and inaccessible to toothbrush
bristles. As a result, they become ideal environments
for bacterial colonization and food particle retention,
particularly by Streptococcus mutans, a key organism
in caries development. Research has shown that
approximately 90% of caries in school-aged children
occur in pit and fissure areas, underlining the necessity
of protective interventions in these sites.
Sealants act as a physical barrier, protecting enamel
from acid attacks by sealing off pits and fissures. They
create a smooth surface that resists plaque
accumulation and facilitates cleaning. The efficiency of
sealants depends on the material’s ability to adhere to
the enamel and maintain retention over time.
There are two main types of sealant materials:
•
Resin-based sealants
: Commonly used due to
high retention rates; require a dry field for proper
application.
•
Glass ionomer cement (GIC):
Fluoride-
releasing and more tolerant to moisture, ideal for
partially erupted molars or field conditions.
Sealant use is recommended primarily for:
•
Newly erupted permanent molars
, especially
between ages 6
–
7 (first molars) and 12
–
13 (second
molars).
•
Children at high risk of caries
, including those
with:
o
History of caries
o
Poor oral hygiene
o
Orthodontic appliances
o
Special healthcare needs
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American Journal Of Social Sciences And Humanity Research (ISSN: 2771-2141)
•
Deep or stained fissures
, even in the absence
of clinical caries.
Sealants can also be used in minimally invasive
dentistry for the treatment of non-cavitated carious
lesions (preventive resin restorations).
Proper application is essential for long-term sealant
retention:
1.
Tooth cleaning with pumice or prophylaxis
paste.
2.
Isolation (rubber dam or cotton rolls) to
prevent contamination.
3.
Etching with 35
–
37% phosphoric acid to create
enamel micropores.
4.
Rinsing and drying, followed by visual
inspection.
5.
Sealant application and light curing (for resin-
based materials).
6.
Occlusion check and follow-up evaluations
every 6
–
12 months.
Retention is highest when applied on fully erupted
molars with ideal moisture control. The success rate
exceeds 80
–
90% over 2 years when well maintained.
Numerous longitudinal studies confirm the efficacy of
sealants:
•
Beauchamp et al. (2008) found that sealed
molars were 76% less likely to develop caries over a 4-
year period.
•
Griffin et al. (2008) showed that children
without sealants had nearly 3 times more carious
lesions than those with sealants.
•
Ahovuo-Saloranta et al. (2017, Cochrane
Review) reported strong evidence supporting the
effectiveness of sealants in reducing caries incidence
compared to no sealant or fluoride varnish alone.
Moreover, the fluoride-releasing property of GIC
sealants offers added protection in high-risk
populations. From a public health standpoint, sealants
are cost-effective, especially in school-based programs.
According to the CDC:
•
Every $1 spent on sealants saves $3
–
$4 in
future dental treatment costs.
•
Expanding access to sealants in underserved
populations helps reduce health disparities and
improves children's oral health outcomes.
Integrating sealant programs into national oral health
policies, especially in schools and rural areas, can
significantly reduce the burden of untreated dental
caries.
While sealants are highly effective, there are certain
limitations:
•
Technique sensitivity: Moisture contamination
can lead to early loss or microleakage.
•
Regular monitoring is necessary to reapply lost
sealant material.
•
Limited awareness among parents and
providers can lead to underutilization.
•
Access to dental services is still a barrier in rural
and low-income areas.
Future improvements may include:
•
Self-etching sealants to simplify the procedure.
•
Improved materials with higher fluoride
release and longer retention.
•
AI-based tools to track and monitor sealant
retention remotely.
Pit and fissure sealants are a scientifically proven and
practical intervention for the prevention of dental
caries, particularly in children and adolescents. Their
timely application, especially on newly erupted molars,
can dramatically reduce occlusal caries incidence.
When combined with fluoride use, oral health
education, and dietary counseling, sealants form a
cornerstone of comprehensive caries prevention.
Promoting sealant use through policy, education, and
outreach can lead to long-term oral health benefits and
improved quality of life in pediatric populations.
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