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Dear Students,

The 19th Dental Students' Scientific Conference will be held on the 8th of March 2018 at Balai
Ungku Aziz, Faculty of Dentistry, University of Malaya.
Selection of Mode of Presentation
Selection of the mode of presentation online does not confirm your choice. The Dental Students
Scientific Committee reserves the right to determine the mode of selection for each group.
However, your preferred mode of presentation will be taken into account during the decision
making process. The committee will announce the mode of presentation for each group by 19 th
February 2018.
Choose your preferred mode of presentation carefully. There are limited places for each mode of
presentation. Priority will be given on a first-come first-served basis.
Only ONE person per group is allowed to make the selection for their group. If more than one
person per group has made more than one selection, their choices will be defaulted and priority
will be given to the other group who was not able to make the selection.
Groups may choose either “Option 1 : Oral Presentation” or “Option 2 : Poster
Presentation”.
Students will be allowed to upload abstract and choose mode of presentation from 12 am on
the 8th February 2018 (Thursday) and 12 am on the 12th February 2018 (Monday).

Abstract Submission Guidelines
Students should submit an online copy of the abstract using Word document when choosing the
mode of presentation.
Please ensure that your supervisor has approved your abstract prior to submission. The
Committee will inform if you are required to amend the abstract and you MUST submit the
corrected version by the 16 February 2018.
 Format of abstract to be submitted (Example given below)
Use : Times New Roman font (size 12). Total word count should not exceed 250 words.
1.      Title of the project : Bold the title
2.      Authors : List each author’s name with surname followed by first and middle initials.
3.      Please include the affiliated department of the authors.

Content of the abstract
a.       Objectives : The content of abstract must contain a brief statement of the objectives of the
investigation.
b.      Methods: The content of the abstract must also contain a brief description of the
experimental methods used.
c.       Results : Essential results including data and, where appropriate, statistics should be clearly
stated in the abstract content.
d.      Conclusions : Should not be underlined.
e.       4-6 Keywords

Example :

 Influence of Light and Laser Activated Tooth Bleaching on Enamel Microhardness and Surface Roughness

 Mohd Yusof E1, Abdullah SA1, Mohamed NH2

1.      Faculty of Dentistry, University of Malaya, Kuala Lumpur

2.      Department of General Dental Practice, Faculty of Dentistry, University of Malaya, Kuala Lumpur

Objectives : To evaluate the effects of tooth bleaching on enamel microhardness and surface roughness upon application of hydrogen peroxide activated by light (BeyondTM) and (LaserSmileTM) at day 2, day 7 and day 28.

Methods : 25 enamel slabs embedded in epoxy resin was prepared. The enamel surface was polished using 1200-grit silicon carbide paper. The specimens were the dividedinto three treatment groups; control (5 slabs), light-activated (10 slabs) and laser –activated (10 slabs) and store in distilled water at 370C. Baseline data was collected for microhardness and surface roughness. For Light-activated bleaching, after application of 25% hydrogen peroxide gel, the specimen surface was activated with light (BeyondTM) for 10 minutes. Reapplication of gel is repeated for another cycle. For laser-activated (LaserSmileTM) bleaching, the hydrogen peroxide was activated with laser; 8 cycle for 10 seconds each cycle. Vickers microhardness testing machine was used to determine changes in enamel microhardness after tooth bleaching. Surface roughness was evaluated using surface texture analyzer. Changes in enamel microhardness and surface roughness were evaluated on day 7 and 28 after the bleaching treatment for both intervals.

Results : The effects of hydrogen peroxide bleaching on enamel surface microhardness were not statistically significant between the specimens groups of different time intervals except for light. Light activated bleaching does cause microhardness reduction.

Conclusion : There were statistically significant differences in surface roughness in laser and light groups. The readings show that bleaching does cause surface roughness alterations of different time intervals.

 Keywords: tooth bleaching, enamel hardness, enamel roughness, laser-activated