mouth wash e
TRANSCRIPT
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Effect of Mouth Rinse on Composite Filling
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Introduction
Mouth rinses are used to:• treat and prevent gingivitis • eliminate bad breath• whiten teeth
• Many healthy problems have been recorded for wide spread of using one or more of these products.
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Objective• To determine the effects of mouth rinses containing Ethanol
on the physical properties of Composite filling
• Focus on the Hardness, Roughness, and Stress
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Materials
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Methods• 24 Specimen of Nano Hybrid Composite , NEXOCOMP ,
hardened with Led white Light
Groups Exposure time Mouth wash components
1 12 hours Floucaril alcohol 23,7 %
2 24 hours Floucaril alcohol 23,7 %
3 36 hours Floucaril alcohol 23,7 %
4 48 hours Sterilized Water
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Devices
Hardness
Roughness
Stress
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Hardness DeviceShore D durometer ATS FAAR Vignete
• Consist of metal cone head penetration carried on a spring and a measurement to read the hardness after applying force of 44.64 N
Head Penetration is cone shape
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Roughness Device Suftest Analyzer – Mitutoyo
• It changes the mechanic movement of the sensitive head to electric stress
• Average Roughness :Ra
• Measurement on 2.4 mm of surface of sample
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Stress Device
• Device M 350- 5 KN made by Testometric
• Two jaws, fixed and movable
• Speed : 1 mm /min
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Results Time GroupStress Roughness Hardness
N12 hours ,
Flucaril First
N 24 hours, Flucaril Second
N36 hours,
Flucaril Third
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ResultsHardness
water 12 h 24h 36h80
82
84
86
88
90
92
94
96
98
100
water12 h24h36h
*
***
Time (h)
Shor
e D
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ResultsRoughness
water 12 h 24h 36h0.0
0.5
1.0
1.5
2.0
2.5
3.0
water12 h24h36h
*
***
***
Time (h)
Rou
ghne
ss R
A
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Stress
Compresstion
water 12 h 24h 36h1000
1500
2000
2500
3000
water12 h24h
36h
Time (hour )
Fo
rce(
N)
Stress
water 12 h 24h 36h0
100
200
300water12 h24h36h
Time (h)
(Mpa
) str
ess
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Discussion
Hardness • indicates difficulty of penetration. It is used as
an indicator of material resistance to erosion and scratches resulting from toothbrushes and eating food.
• Reduction of hardness causes crashes in dental filling.
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Discussion
Roughness• Porous microstructures are good environment
for bacteria .• It is difficult to clean the surface mechanically.• Dying of composite filling.
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Discussion
Stress
Stress is responsible of filling’s cracks in case of unwanted lateral pressers
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Discussion • Mouthwashes that contain ethanol cause reduction in hardness and
increase in roughness in composite filling.
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Future directions • More studies are required to compare the effect on
composite fillings of mouthwashes that contain ethanol with the ones that do not contain ethanol.
• These studies should simulate the natural environment in mouth by exposing the filling to mouthwashes one minute daily for one year, as an example.
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Refferences • Bolanowski ، S. J. ، G. A. Gescheider ، et al. (1995). "Relationship between oral pain and ethanol
concentration in mouthrinses." J Periodontal Res 30(3): 192-7.
• Bollen ، C. M. ، P. Lambrechts ، et al. (1997). "Comparison of surface roughness of oral hard materials to the threshold surface roughness for bacterial plaque retention: a review of the literature." Dent Mater 13(4): 258-69.
• Diab M; Zaazou M.H. ، Mubarak 1 1 2 E.H and 3Olaa M.I. Fahmy ، 2007 ، Effect of Five Commercial Mouthrinses on the Microhardness and Color Stability of Two Resin Composite Restorative Materials ،Australian Journal of Basic and Applied Sciences ، 1(4): 667-674
• Gagari ، E. and S. Kabani (1995). "Adverse effects of mouthwash use. A review." Oral Surg Oral Med Oral Pathol Oral Radiol Endod 80(4): 432-9.
• Haq ، M. W. ، M. Batool ، et al. (2009). ""Alcohol use in mouthwash and possible oral health concerns"." J Pak Med Assoc 59(3): 186-90.
• • McCullough, Michael; C. S. Farah (December 2008). "The role of alcohol in oral carcinogenesis with
particular reference to alcohol-containing mouthwashes". Australian Dental Journal 53 (4): 302–305. Retrieved on 2009-01-12
• Shulman ، J. D. and L. M. Wells (1997). "Acute ethanol toxicity from ingesting mouthwash in children younger than 6-years of age." Pediatr Dent 196): 404-8.
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Thanks