EFFECT OF USING Er: YAG LASER TOOTH PREPARATION ON MICROLEAKAGE OF PORCELAIN LAMINATE VENEERS | ||||
Egyptian Dental Journal | ||||
Article 24, Volume 64, Issue 2 - April (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics), April 2018, Page 1613-1622 PDF (968.07 K) | ||||
Document Type: Original Article | ||||
DOI: 10.21608/edj.2018.78395 | ||||
View on SCiNiTO | ||||
Authors | ||||
Mohamed I. Ebrahim1; Alaa N Syam2; Shukry G Mohamed3; Ahmed M Hassan4; Weam Douidar5 | ||||
1Assistant Professor of Dental Biomaterials, Faculty of Dental Medicine Al Azhar University, Cairo (Boy) | ||||
2Lecturre of Dental Biomaterials, Faculty of Dental Medicine Al Azhar University, Assuit Branch. | ||||
3Lecturer of Pedodontic, Faculty of Dental medicine, Al Azhar University, Assuit Branch | ||||
4Assistant Professor of Restorative Dentistry, Alfarabi Colleges, Riyadh, KSA. | ||||
5Lecturer of Restorative Dentistry, Faculty of Dentistry, Mansura University. | ||||
Abstract | ||||
The Er: YAG laser was proven to successfully ablate enamel. This study was aimed to investigate the applicability of using this laser in preparing the enamel surface for porcelain laminate veneering in comparison with the high speed handpiece regarding the fracture strength loading of the veneers. Twenty human maxillary central incisors extracted were selected. They were divided into two equal groups [group I and group II], group I: High speed handpiece prepared specimens and group II: Er: YAG laser prepared specimens for measuring microleakage by a binocular stereomicroscope. The results of the microleakage assessment showed significant difference in the microleakage scores at the incisal margins of [Gr. I (group I)] the high speed handpiece compared to [Gr. II (group II)] the Er: YAG laser and significance comparing the microleakage scores at the cervical margins of both groups (Gr. I) and (Gr. II). Also, there were significant differences comparing incisal to those at the cervical margins of (Gr. I) the high speed handpiece, while in (Gr. II) the Er:YAG laser group, a marked significant difference were found between the microleakage scores at the incisal margins compared to the cervical margins. Conclusion: The difference in microleakage assessment between laser and the high speed hand piece specimens was significant and affect the longevity of the porcelain laminate veneers | ||||
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