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Microleakage assessment of pit and fissure sealant with and without the use of pumice prophylaxis
Author(s) -
ANSARI G.,
OLOOMI K.,
ESLAMI B.
Publication year - 2004
Publication title -
international journal of paediatric dentistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.183
H-Index - 62
eISSN - 1365-263X
pISSN - 0960-7439
DOI - 10.1111/j.1365-263x.2004.00565.x
Subject(s) - sealant , medicine , dentistry , stereo microscope , molar , magnification , enamel paint , pumice , orthodontics , composite material , materials science , volcano , seismology , computer science , computer vision , geology
Summary. Objectives. This study evaluated the effect of pumice prophylaxis on the level of microleakage around and between the sealant and enamel. Materials and methods. A total of 32 freshly extracted sound upper first premolars, assigned as suitable for sealant application, were chosen and divided randomly into two groups: (1) a test group, without prophylaxis; and (2) a control group, with prophylaxis. Sealant was applied to all teeth using the same conventional technique, with prophylaxis being omitted in the test group. The sealed teeth were thermocycled (120 × 30 s, 5 and 55 °C cycles) and then immersed in 2% Basic Fuchsin solution for 72 h. Each tooth was sectioned and examined for dye penetration under a stereomicroscope (× 60 magnification). Results. No dye penetration was seen in 19 (29·6%) of the teeth in the test group and 36 (56·2%) of the teeth in the control group. Dye had penetrated to the base of the fissure in 31 (48·4%) of the teeth in the test group and 23 (35·9%) of the teeth in the control group. Using a chi‐square test for trend, the frequency of microleakage was significantly higher in the test group compared to the controls ( P < 0·016). Conclusion. Prophylaxis has a role in improving sealant retention. Removing this step may cause an increase in microleakage.