Vol. 12 No. 1 (2022): International Dental Research

DOI: https://doi.org/10.5577/intdentres.2022.vol12.no1.table_of_contents

Published: 30.04.2022

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Original Article

Effect of the thickness and translucency of the lithium disilicate veneer ceramic on the optical properties of bilayered zirconia

Aim: This study evaluates the effect of lithium disilicate veneer ceramics on the color difference (∆E ab and ∆E 00 ), translucency parameters (TP ab and TP 00 ), and opalescence parameter (OP) of different thicknesses and translucencies. Methodology: Ten 0.5 mm thick zirconia core specimens were prepared, and sixty veneer ceramics in A2 shade were prepared from high-translucence (HT) and low-translucence (LT) lithium disilicate glass-ceramics (IPS e.max CAD) in three different thicknesses (0.5 mm, 0.7 mm, and 1 mm). The specimens were evaluated as bilayered structures, and group names were assigned based on the thickness of the core–veneer combinations (n = 10): E1 = (0.5 + 0.5), E2 = (0.5 + 0.7), and E3 = (0.5 + 1). A spectrophotometer (Vita EasyShade V) was used to measure the Commission Internationale de l'Elcairage (CIE) color coordinates L*, a*, and b*, and the ∆E ab , ∆E 00 , TP ab , TP 00 , and OP values were calculated. A two-way analysis of variance (ANOVA) and Tukey HSD tests (α = 0.05) and Pearson correlation tests (α = 0.01) were applied for statistical analysis. Results: The optical properties (∆E 76 , ∆E 00 , TP 76 , TP 00 , and OP) of the bilayered zirconia-based ceramics were significantly affected by the thickness and translucency of the lithium disilicate veneer ceramics (p<0.001). However, the interaction between the thickness and translucency of the veneer ceramic was significant only for OP (p<0.05). For each thickness, the TP 76 and TP 00 values were significantly higher for the HT groups than for the LT groups. The HT groups demonstrated higher OP values than the LT groups, and there were strong correlations between ∆E 76 and ∆E 00 and TP 76 and TP 00 . Furthermore, there were significant correlations between the TP 76 and TP 00 values and the OP parameter. Conclusion: The optical properties of the bilayered structures were significantly affected by the thickness and translucency of the veneer ceramics. Therefore, the thickness and translucency of the veneer ceramic must be taken into account to achieve a restoration with the desired shade and appearance. How to cite this article: Yılmaz Savaş T, Savaş A. Effect of the thickness and translucency of the lithium disilicate veneer ceramic on the optical properties of bilayered zirconia. Int Dent Res 2022;12(1):1-8. https://doi.org/10.5577/intdentres.2022.vol12.no1.1 Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

color, opalescence, spectrophotometry, translucence, zirconia

Tuba Yılmaz Savaş, Abdulhaluk Savaş
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1-8
Abstract Views: 1188 Download: 793 10.5577/intdentres.2022.vol12.no1.1
Investigation the angulation of maxillary impacted canines by using cone-beam computed tomography

Aim: This study aimed to evaluate the angulation and localization of unilaterally impacted canines by using CBCT. Methodology: Seventy-two images were included in the study based on the inclusion criteria. Demographic information (age and gender), localization and angulation of the impacted canine teeth were recorded. Canine angulation was measured between the two lines drawn on the coronal section of CBCT, with the first line drawn from the crista galli to the anterior nasal spine and the second line drawn along the long axes of the impacted canine teeth. Results: The mean age was 35.42±12.29 years in men and 31.10±11.09 years in women. In women, 16 of the impacted canines were on the right and 23 were on the left side, while in men, 21 of them were on the right and 12 were on the left side. Mean angulation was 34.6° (range, 17.6°-64.4°) for women and 36.2° (range, 21.4°-56.3°) for men. A weak negative correlation was found between patient age and angulation (p=0.49, rho = - 0.233). Conclusion: Angulation of maxillary impacted canines is an important predictive factor in orthodontic treatment. In the present study, no significant difference was found between angulation and canine localization and gender. How to cite this article: Laçin N, Yalçın M. Investigation the angulation of maxillary impacted canines by using cone-beam computed tomography. Int Dent Res 2022;12(1):9-13. https://doi.org/10.5577/intdentres.2022.vol12.no1.2 Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

impacted canine, angulation, maxilla, cone-beam computed tomography

Nihat Laçin, Mustafa Yalçın
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9-13
Abstract Views: 1225 Download: 575 10.5577/intdentres.2022.vol12.no1.2
The effect of cold drinks on the coloration of resin-containing restorative materials

Aim: Resin-containing restorative materials are widely used in the restoration of teeth. Our aim in this study is to examine the color change of beverages consumed cold on resin-containing restorative materials. Methodology: Samples were prepared using composite resins and resin-based CAD/CAM blocks. All prepared samples were kept in cold tea, cold coffee, coke, energy drink, and distilled water after polishing. The color values of the samples were measured with a spectrophotometer at the beginning, on the 1st, 7th and 30th days, and the color change values were calculated with the CIEDE2000 formula. Statistical analysis of color change values was performed using two-way analysis of variance (ANOVA) and Tukey multiple comparison tests (p<0.05). Results: While there was no statistically significant difference in the color changes of the resin-containing dental materials at the end of the 1st day (p>0.05), at the end of the 7th and 30th days, cold tea caused the statistically highest color change (p<0.05). There was no statistically significant difference between the color change values of cold coffee, coke and energy drink on the materials in all time periods (p>0.05). Composite resins showed more color change than resin-based CAD/CAM blocks (p<0.05). Conclusion: Cold tea causes the most discoloration on resin-based materials. While the resin-containing CAD/CAM blocks showed a color change under the AT value in all cold drinks, the composite resins showed a color change above the AT value in cold tea and coffee. How to cite this article: Altıparmak ET, Aybala Oktay E, Karaoğlanoğlu S, Aydın N, Ersöz B, Özarslantürk S. The effect of cold drinks on the coloration of resin-containing restorative materials. Int Dent Res 2022;12(1):14-20. https://doi.org/10.5577/intdentres.2022.vol12.no2.3 Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

CAD/CAM, composite resin, color change, cold drinks

Elif Tuğba Altıparmak, Elif Aybala Oktay, Serpil Karaoğlanoğlu, Numan Aydın, Bilge Ersöz, Savaş Özarslantürk
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14-20
Abstract Views: 1540 Download: 804 10.5577/intdentres.2022.vol12.no2.3
Ectodermal dysplasia: A retrospective evaluation of the clinical findings of forty-four cases in the 0-16 years age

Aim: The aim of this study was to review the craniofacial anomaly results of children diagnosed with ectodermal dysplasia (ED) and to identify the oral requirements of ED cases. Methodology: The data of this study were obtained by taking clinical examinations and radiographs on forty-four (44) children (22 females and 22 males), 0-16 years aged, who were admitted to the Dicle University, Faculty of Dentistry due to dental problems and were diagnosed with ED. The number of affected siblings was ascertained, and systemic findings were evaluated. Malformations in the hair, nails, nose, skin, lips, and teeth were clinically examined. Results: The most common clinical findings were sparse hair, dry skin, sweating problems, respiratory difficulty, saddle nose, a history of fever, hearing loss, and deformation in the nails. In the intraoral and radiological examinations, findings were evaluated of conical teeth, protuberant lips, prosthetic rehabilitation, impacted teeth, and abnormal root resorption. The rates of ED in the siblings of the ED cases were determined as 39.2% in the siblings of male cases and 37.9% in the siblings of female cases. Conclusion: The frequency rates of the anomalies seen in ED obtained in this study can be considered important as a guide for further studies of individuals with ED. When multiple missing teeth and conical teeth are encountered, the dental practitioner should investigate whether or not there are other symptoms of ED, and it must not be forgotten that the dentist may be the first step in the diagnosis of this genetic irregularity. How to cite this article: Akleyin E, Sarıyıldız Osmanoğulları C, Yavuz İ, Adıgüzel Ö. Ectodermal dysplasia: A retrospective evaluation of the clinical findings of forty-four cases in the 0-16 years age. Int Dent Res 2022;12(1):21-6. https://doi.org/10.5577/intdentres.2022.vol12.no1.4 Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

ectodermal dysplasia, malformation, conical tooth, sparse hair

Ebru Akleyin, Cansu Osmanoğulları Sarıyıldız, İzzet Yavuz, Özkan Adıgüzel
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21-26
Abstract Views: 2185 Download: 589 10.5577/intdentres.2022.vol12.no1.4
Biomechanic and biochemical analysis of the effects of local Ankaferd Blood Stopper® application on osseointegration of titanium implants

Aim: Investigations into Ankaferd Blood Stopper® (ABS) on bone healing have revealed positive bone regeneration effects. The exact mechanism of this positive bone tissue metabolism effect is unknown. This study’s aim is a biomechanic and biochemical investigation of the effects of local ABS application on the osseointegration of titanium implants. Methodology: Sprague Dawley rats were divided into four groups of ten rats each. The control group (n=20) received no treatment during the experimental period, while the ABS group (n=20) had ABS applied locally during the surgical application of the titanium implant before insertion into the bone sockets. After 2 (controls n=10 and ABS n=10) and 4 weeks (controls n=10 and ABS n=10) experimental periods, the rats were sacrificed and implants with surrounding bone tissues were removed for reverse torque analysis (Newton), blood sample collection, and biochemical analysis. Results: The biomechanic bone implant contact ratio detected was higher in week 4 than in week 2 in the ABS group (p<0, 05). Lower phosphor levels were detected in the ABS group than in the 4-week controls (p<0, 05). Conclusion : According to the biomechanical parameters, ABS is more effective after four weeks than after two weeks when locally applied. How to cite this article: Özcan EC, Gül M, Tanık A, Yıldırım TT, Özkan M, Bozoğlan A, Özdemir HE, Dündar S. Biomechanic and biochemical analysis of the effects of local Ankaferd Blood Stopper® application on osseointegration of titanium implants. Int Dent Res 2022;12(1):27-33. https://doi.org/10.5577/intdentres.2022.vol12.no1.5 Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

Ankaferd Blood Stopper, osseintegration, bone implant contact, bone formation, biomechanic

Erhan Cahit Özcan, Mehmet Gül, Abdulsamet Tanık, Tuba Talo Yıldırım, Mustafa Özkan, Alihan Bozoğlan, Hasan Emre Özdemir, Serkan Dündar
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27-33
Abstract Views: 1173 Download: 555 10.5577/intdentres.2022.vol12.no1.5
Microleakage of two different posterior composites and a high-viscosity glass-ionomer cement: An in vitro study

Aim: Using AutoCAD, we examined the microleakage of permanent molars in Class I restorations using a conventional posterior composite resin, a bulk-fill composite resin, and a high-viscosity glass-ionomer cement (HVGIC). Methodology: In total, 33 extracted noncarious third molars were used. Class I cavities were prepared. The teeth were randomly divided into three groups of 11 teeth each, as follows: Group A (Filtek Z550), Group B (Filtek Bulk-Fill Posterior Restorative), and Group C (EQUIA Fil). All specimens were stored for 24 h at 37 °C in distilled water. The teeth were thermocycled 1,000 times between 5 ± 2°C and 55 ± 2°C prior to immersion in 0.5% basic fuchsin for 24 h. Two mesiodistal cuts of each tooth were photographed under a stereomicroscope equipped with a digital camera. The dye-infiltrated surface area was measured. Results: Statistical evaluations were performed by one-way analysis of variance [ANOVA]. One-way ANOVA showed no significant difference between the three groups in microleakage (P = 0.07). However, the lowest microleakage ratio was seen in Group C (EQUIA Fil). Similar results were obtained with all tested materials, but the lowest microleakage rate was obtained with EQUIA Fil (Group C). Conclusion: In this study, the tested materials were not completely successful in eliminating microleakage, although the lowest microleakage rate was obtained with EQUIA Fil. How to cite this article: Çelenk S, Ataş O, Ayna B, Günay A. Microleakage of two different posterior composites and a high-viscosity glass-ionomer cement: An in vitro study. Int Dent Res 2022;12(1):34-8. https://doi.org/10.5577/intdentres.2022.vol12.no1.6 Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

composite resin, high-viscosity glass-ionomer cement, microleakage, AutoCAD

Sema Çelenk, Osman Ataş, Buket Ayna, Ayşe Günay
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34-38
Abstract Views: 1572 Download: 548 10.5577/intdentres.2022.vol12.no1.6

Year	Citations
2019	37
2020	49
2021	71
2022	112
2023	147
2024	139
2025	202
2026 (to date)	175

Vol. 12 No. 1 (2022): International Dental Research

Full Issue

Original Article

Effect of the thickness and translucency of the lithium disilicate veneer ceramic on the optical properties of bilayered zirconia

Investigation the angulation of maxillary impacted canines by using cone-beam computed tomography

The effect of cold drinks on the coloration of resin-containing restorative materials

Ectodermal dysplasia: A retrospective evaluation of the clinical findings of forty-four cases in the 0-16 years age

Biomechanic and biochemical analysis of the effects of local Ankaferd Blood Stopper® application on osseointegration of titanium implants

Microleakage of two different posterior composites and a high-viscosity glass-ionomer cement: An in vitro study

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