Highlights
- •This prospective clinical trial investigated the in-vivo durability of a commonly used orthodontic sealant (Pro Seal).
- •Changes in adhesive remnant index scores show that Pro Seal layers are reduced significantly 1 month after the application of the sealant.
- •Reapplication of Pro Seal is recommended monthly.
- •No significant difference in sealant durability was found between the teeth, the jaws, and between the sexes.
ABSTRACT
Background
This clinical trial aimed at studying the durability of an orthodontic sealant (Pro
Seal) used on tooth surfaces for protection against white spot lesions.
Methods
A total of 35 patients (18 females, 17 males; 17.57 ± 1.36 years) were recruited.
Eligibility criteria included healthy patients of both sexes (age > 14 years), absence
of labial caries, absence of defective enamel, absence of extensive restorations,
and optimum oral hygiene. The participants received a single application of Pro Seal
on the bonded teeth. The sealant covered the labial enamel surrounding the brackets.
Participants were recalled monthly after sealant application, during which sealant
layers were evaluated using an ultraviolet lamp. The assessment was realized using
an index similar to the adhesive remnant index (ARI).
Results
A total of 30 participants completed the trial. ARI values dropped significantly (P < 0.001) and reached <1.5 at T1 on the index used. An ARI value of 2 was chosen as the threshold below which a tooth
presented an insufficient sealant layer. The right and left sides of both jaws did
not show any statistically significant difference (P > 0.05). ARI values of homolateral teeth revealed few statistically significant differences
between upper and lower teeth. No statistically significant difference between the
two sexes (P > 0.05) existed. No harm or disturbance was reported by any of the participants.
Conclusions
This study demonstrated that a single application of Pro Seal is effective for 4 weeks
and should be renewed monthly. No interjaw, intrajaw, or intersex significant differences
were found.
Keywords
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Article info
Publication history
Published online: January 10, 2023
Accepted:
December 12,
2022
Received in revised form:
December 5,
2022
Received:
October 30,
2022
Footnotes
Funding: The authors have not declared a specific grant for this research from any funding agency in the public, commercial, or not-for-profit sectors.
Competing interests: Authors have completed and submitted the ICMJE Form for Disclosure of potential conflicts of interest. None declared.
Provenance and peer review: Non-commissioned and externally peer reviewed.
Identification
Copyright
© 2022 World Federation of Orthodontists. Published by Elsevier Inc. All rights reserved.
