Effect of abutment types and resin cements on the esthetics of implant-supported restorations.

Purpose: The aim of the study was to evaluate the optical properties of new generation (3Y-TZP) monolithic zirconia (MZ) with different abutment types and resin cement shades.

Materials And Methods: A1/LT MZ specimens were prepared (10 × 12 × 1 mm, N = 30) and divided into 3 groups according to cement shades as transparent (Tr), yellow (Y) and opaque (O). Abutment specimens were obtained from 4 different materials including zirconia (Group Z), hybrid (Group H), titanium (Group T) and anodized yellow titanium (Group AT).

Effect of Edentulism and Oral Quality of Life on Sexual Functions in Men: A Cohort Prospective Study.

Introduction: Edentulism has a serious impact on quality of life (QoL), and changes in QoL can affect sexual functioning.

Aim: To assess the correlation between oral health-related quality of life (OHQoL) and sexual function in edentulous men.

Methods: A total of 148 men (18-70 years) with incomplete natural dentition completed the International Index of Erectile Function (IIEF) and Oral Health Impact Profile (OHIP-14) at 4 time points: before (T), during (T), 4 weeks after (T), and 1 year (T) after dental treatment.

Shear bond strengths of aged and non-aged CAD/CAM materials after different surface treatments.

Purpose: To assess shear bond strengths (SBS) of resin composites on aged and non-aged prosthetic materials with various surface treatments.

Materials And Methods: Cerasmart (CE), Vita Enamic (VE), Vita Mark II (VM), and IPS e.max CAD (EC) blocks were sliced, and rectangular-shaped specimens (14 × 12 × 1.

Optical properties of currently used zirconia-based esthetic restorations fabricated with different techniques.

Objective: The aim was to evaluate the effects of different types of monolithic zirconia (MZ) and fabrication techniques on the optical properties of newly generated zirconia-based materials after aging.

Material And Methods: Sixty specimens (n = 10) were prepared. For the groups layering-veneering (LV), overpressing (OP), porcelain fused to zirconia (PFZ), and cutback (CB), 3Y-TZP, IPS e.

The Effect of Desensitizing Toothpastes and Coffee Staining on the Optical Properties of Natural Teeth and Microhybrid Resin Composites: An In-Vitro Study.

Objective: To evaluate the effect of different desensitizing toothpastes and coffee staining on the discoloration rate of natural human tooth and composite materials.

Materials And Methods: A total of 56 human teeth and 56 composite specimens were used. After initial color measurements were taken, specimens and teeth were exposed to simulated toothbrushing with six desensitizing toothpastes containing different active ingredients: stannous fluoride, strontium acetate, potassium citrate and hydroxyapatite, cetylpyridinium chloride, arginine, and novamin.

Effect of UV aging on translucency of currently used esthetic CAD-CAM materials.

Objectives: To evaluate the relative translucency parameter (RTP) values of computer-aided design (CAD)-computer-aided manufacturing (CAM) materials after UV aging.

Materials And Methods: 70 specimens (n = 10) of Bruxzir Anterior (BA); E.max Cad (EC); Lava Ultimate (LU); Cerasmart (CE); Vita Enamic (VE); Vita Suprinity (VS); Vita Mark II (VM) were prepared (1 mm ± 0.

Color relationships of natural anterior teeth: An study.

Objectives: To investigate the color relationships between the anterior teeth in vivo.

Materials And Methods: A total of 640 volunteers (age: 18-22) participated in the study. The color measurements of left maxillary and mandibular central, lateral, and canine were performed using a colorimeter.

Optical behaviors of esthetic CAD-CAM restorations after different surface finishing and polishing procedures and UV aging: An in vitro study.

Statement Of Problem: Esthetic computer-aided design and computer-aided manufacturing (CAD-CAM) materials have various chemical compositions and can be prepared by using different finishing and polishing procedures. Their optical properties may change over time, depending on these factors. However, information about their stain resistance is still scarce.

The effect of ultrafast fiber laser application on the bond strength of resin cement to titanium.

The purpose of this study was to investigate the effect of ultrafast fiber laser treatment on the bond strength between titanium and resin cement. A total of 60 pure titanium discs (15 mm × 2 mm) were divided into six test groups (n = 10) according to the surface treatment used: group (1) control, machining; group (2) grinding with a diamond bur; group (3) ultrafast fiber laser application; group (4) resorbable blast media (RBM) application; group (5) electro-erosion with copper; and group (6) sandblasting. After surface treatments, resin cements were applied to the treated titanium surfaces.

Effects of Different Pediatric Drugs on the Color Stability of Various Restorative Materials Applicable in Pediatric Dentistry.

. The chronic recommendation of pediatric drugs could exhibit erosive and cariogenic problems. .

Storing Tooth Segments for Optimal Esthetics.

Objective: A fractured whole crown segment can be reattached to its remnant; crowns from extracted teeth may be used as pontics in splinting techniques. We aimed to evaluate the effect of different storage solutions on tooth segment optical properties after different durations.

Study Design: Sixty central incisor crowns were divided into 6 groups (n = 10); Group 1 was kept dry; Groups 2, 3, 4, 5, and 6 were placed in an isotonic solution, water, milk, saliva, and casein-phosphopeptide-amorphous-calcium-phosphate (CPP-ACP), respectively, for 30 min, 12 h, 1 day, 1 week, and 3 weeks.

Effects of thermal cycling on surface roughness, hardness and flexural strength of polymethylmethacrylate and polyamide denture base resins.

Background: The purpose of this study was to evaluate the effects of thermal cycling on the surface roughness, hardness and flexural strength of denture resins.

Methods: Polyamide (PA; Deflex and Valplast) and polymethylmethacrylate (PMMA; QC-20 and Acron MC) denture materials were selected. A total of 180 specimens were fabricated and then divided into 3 groups.

Effects of protective resin coating on the surface roughness and color stability of resin-based restorative materials.

The aim of this study was to evaluate the effects of nanofilled protective resin coating (RC) on the surface roughness (Ra) and color stability (ΔE) of resin-based restorative materials (RM) (compomer (C), nanofilled composite (NF), and microhybrid composite (MH)) after being submitted to the ultraviolet aging (UV) method. Thirty-six specimens were prepared (n = 6 for each group). The Ra and (ΔE) values and SEM images were obtained before and after UV.

Do surface treatments affect the optical properties of ceramic veneers?

Statement Of Problem: Surface treatments may affect the optical properties of ceramic veneers before cementation.

Purpose: The purpose of this study was to evaluate whether various surface treatments affect the optical properties of different types of ceramic veneers.

Material And Methods: Disk-shaped ceramic veneers (N=280) were prepared from the IPS e.

Effects of cigarette smoke and denture cleaners on the surface roughness and color stability of different denture teeth.

Statement Of Problem: Denture teeth have the most effect on the esthetics of complete dentures. However, extrinsic factors can change their roughness and color.

Purpose: The purpose of this study was to investigate the effects of smoking and denture cleaners on the roughness and color (CIE [Commission International de I'Eclairage] L*a*b*) of denture teeth.

Effect of surface treatments on the bond strength of veneering ceramic to zirconia.

Aim: The purpose of this study was to evaluate the effect of different surface treatments on the bond strength of veneering ceramic to zirconia.

Methods: Square (15 mm x 10 mm x 2 mm) zirconia specimens (n=18) received one of the following surface treatments: Group 1, sandblasting; Group 2, Clearfil ceramic primer application; Group 3, grinding; Group 4, alloy primer application; and Group 5, RelyX ceramic primer application. The zirconia core specimens were layered with a veneering porcelain (5 mm x 3 mm x 3 mm).

How will surface treatments affect the translucency of porcelain laminate veneers?

Purpose: The purpose of this study was to evaluate whether surface treatments affect the translucency of laminate veneers with different shades and thicknesses.

Materials And Methods: A total of 224 disc-shaped ceramic veneers were prepared from A1, A3, HT (High Translucent) and HO (High Opaque) shades of IPS e.max Press (Ivoclar Vivadent) with 0.

Alternative interim treatment for single-tooth loss and diastema: two clinical reports.

Wide diastema can be a challenge when the patient demands rapid, conservative treatment. New adhesive materials and techniques provide several options for tooth replacement. This article describes 2 cases that illustrate successful rehabilitation of edentulous spaces with artificial porcelain teeth and glass fibre.

Achieving the desired colour in discoloured teeth, using leucite-based CAD-CAM laminate systems.

Objectives: To evaluate the cumulative effect of the abutment tooth and resin cement colour on the resultant optical properties of porcelain laminate veneers (PLVs) fabricated with leucite-based CAD/CAM blocks with different shades and thicknesses.

Methods: A total of 224 ceramic specimens were prepared from the IPS Empress CAD with four different shades of HT-A1, LT-A1, MT-A1 and Bl-1. Resin composite discs were prepared with shade A3.

Peel strength of denture liner to PMMA and polyamide: laser versus air-abrasion.

Purpose: This study investigated the effect of laser parameters and air-abrasion on the peel strength of silicon-based soft denture liner to different denture resins.

Materials And Methods: Specimens (N=180) were prepared out of three different denture base resins (Rodex, cross-linked denture base acrylic resin; Paladent, heat-cured acrylic resin; Deflex, Polyamide resin) (75 mm × 25 mm × 3 mm). A silicon-based soft denture liner (Molloplast B) was applied to the denture resins after the following conditioning methods: a) Air-abrasion (50 µm), b) Er,Cr:YSGG laser (Waterlase MD Turbo, Biolase Technology) at 2 W-20 Hz, c) Er,Cr:YSGG laser at 2 W-30 Hz, d) Er,Cr:YSGG laser at 3 W-20 Hz, e) Er,Cr:YSGG laser at 3 W-30 Hz.

Discoloration of provisional restorations after oral rinses.

Purpose: Oral rinses are widely used to promote periodontal health with provisional restorations during the interim period. The aim of this study was to compare the discoloration of provisional restoration materials with different oral rinses.

Material And Methods: A total of 140 disc-shaped specimens (shade A2) (10 mm x 2 mm) were prepared from one PMMA-based (TemDent Classic(®)) and three different bis-acrylic-based (Protemp II(®), Luxatemp(®) and Fill-In(®)) provisional restoration materials (n=7).

Effect of antiasthmatic medication on the surface roughness and color stability of dental restorative materials.

Objective: This study evaluated the effect of antiasthmatic medication on the surface roughness and color stability of dental restorative materials.

Materials And Methods: A total of 60 disc-shaped specimens were fabricated from glass ionomer (n = 20), composite resin (n = 20) and feldspathic porcelain (n = 20). Each material group was randomly divided into two subgroups (n = 10): (1) control group and (2) test group.

Effect of ultraviolet aging on translucency of resin-cemented ceramic veneers: an in vitro study.

Purpose: The aim of this in vitro study was to evaluate the translucency of ceramic veneers cemented with light- or dual-cured resin cements after accelerated aging.

Materials And Methods: A total of 392 specimens were made of shade A1 with 0.5- and 1.

Effect of resin cement and ceramic thickness on final color of laminate veneers: an in vitro study.

Statement Of Problem: Different shades of resin cements may adversely affect the final color of translucent restorations, especially thin laminates.

Purpose: The purpose of this study was to determine the effect of different types and shades of resin cement and different thicknesses and shades of IPS Empress Esthetic ceramics on the final color of laminate restorations.

Material And Methods: A total of 392 disks were made with A1, A3, EO, and ET shades of IPS Empress Esthetic with 0.

Optical properties of current ceramics systems for laminate veneers.

Objectives: Full-ceramic systems can be produced by different techniques (layering, heatpressing, CAD/CAM) and have various compositions with different crystalline contents that may affect the optical properties of laminate restorations.

Methods: A total of 60 specimens were prepared from e.max Press, e.