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Porcelain laminate veneers

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https://www.readbyqxmd.com/read/28280760/the-shear-bond-strength-of-porcelain-laminate-to-prepared-and-unprepared-anterior-teeth
#1
Ali Asghar Alavi, Zeinab Behroozi, Farid Nik Eghbal
STATEMENT OF THE PROBLEM: Porcelain laminate veneer is an esthetic restoration used as an alternative to full veneer crowns and requires minimal tooth preparation. In restoration with porcelain laminate veneers, both the longevity of the laminate and conservation of the sound tooth structure are imperative. PURPOSE: The present study aimed to investigate the shear bond strength of porcelain laminates to prepared- and unprepared- anterior teeth in order to compare their longevity and success rate...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28280757/evaluation-of-the-effect-of-porcelain-laminate-thickness-on-degree-of-conversion-of-light-cure-and-dual-cure-resin-cements-using-ftir
#2
Maryam Hoorizad Ganjkar, Haleh Heshmat, Reza Hassan Ahangari
STATEMENT OF THE PROBLEM: Increasing the thickness of the veneering porcelain may affect the polymerization of resin cements. Incomplete polymerization of resin cements can lead to compromised quality of restoration and decrease the longevity of indirect restorations. PURPOSE: This study sought to assess the effect of IPS Empress porcelain thickness on the degree of conversion of light-cure and dual-cure resin cements using Fourier transform infrared spectroscopy...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28262271/the-impact-of-resin-coating-on-sub-critical-crack-extension-in-a-porcelain-laminate-veneer-material
#3
Xu Cao, Garry J P Fleming, Owen Addison
OBJECTIVES: Characterisation of the interaction between crack extension, crack stabilisation and stress/strain relaxation in the polymeric matrix, the interplay between stress corrosion cracking and the mechanical response of a resin-based luting adhesive within a surface defect population could extend PLV restoration longevity by optimising cementation protocols. The aim was to investigate the influence of stress corrosion cracking and the viscoelastic behaviour of a resin-based luting adhesive independently by controlling the environmental conditions operative during test specimen fabrication...
March 2, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28258266/effect-of-newly-developed-resin-cements-and-thermocycling-on-the-strength-of-porcelain-laminate-veneers
#4
Fawaz I Alqahtani
AIM: The aim of this study was to determine the effect of different luting cements and accelerated artificial aging (AAA) in the fracture resistance of porcelain laminate veneers (PLVs). MATERIALS AND METHODS: A total of 80 disc-shaped specimens were prepared using computer-aided design/computer-aided milling technology from lithium disilicate glass-ceramic blocks. Specimens (0.5 mm thick, 10 mm diameter) were divided into eight groups of 10 specimens per group...
March 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28117855/marginal-sealing-of-a-porcelain-%C3%A2-laminate-veneer-luted-with-%C3%A2-three-different-resin-cements-%C3%A2-on-fluorosed-teeth
#5
Fereshteh Shafiei, Mahtab Memarpour, Zahra Jowkar
AIM: The purpose of this study was to investigate the sealing ability of three different resin cements for the luting of a porcelain laminate veneer (PLV) to the enamel and dentin of fluorosed teeth. MATERIALS AND METHOD: Thirty incisors with moderate fluorosis according to the Thylstrup-Fejerskov Index (TFI = 4 to 6) received a veneer preparation with dentin margins at the gingival third. The IPS Empress (Ivoclar Vivadent) veneers were luted to the teeth of three groups (n = 10) using three different resin cements: Group 1: Excite DSC/Variolink II - etch-and-rinse (E&R), Group 2: ED Primer II/Clearfil Esthetic - self-etch (SE), Group 3: RelyX Unicem - self-adhesive (SA)...
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/27274344/marginal-adaptation-of-spinell-inceram-and-feldspathic-porcelain-laminate-veneers
#6
Tahereh Ghaffari, Fahimeh Hamedi-Rad, Vahid Fakhrzadeh
BACKGROUND: This in vitro study investigated the marginal fit of two porcelain laminate veneers to help the selection of more accurate veneers in discolored teeth. MATERIALS AND METHODS: Thirty impressions of metal master die created from the prepared labial surface of an acrylic maxillary central incisor were made and poured with Type IV stone. The dies were distributed into test groups (n = 15) for the construction of DuCeram and InCeram laminate veneers. An image-analysis program was used to measure the gap between the veneers and the master die at the labial, lingual, and proximal margins...
May 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27087734/experimental-and-finite-element-study-of-residual-thermal-stresses-in-veneered-y-tzp-structures
#7
Carina B Tanaka, Hossam Harisha, Marta Baldassarri, Mark S Wolff, Hui Tong, Josete B C Meira, Yu Zhang
The main complications of zirconia-based laminated systems are chipping and delamination of veneering porcelain, which has been found to be directly associated with the development of residual thermal stresses in the porcelain layer. This study investigates the effects of cooling rate and specimen geometry on the residual stress states in porcelain-veneered zirconia structures. Bilayers of three different shapes (bars, semi-cylindrical shells, and arch-cubic structures) with 1.5 mm and 0.7 mm thickness of dentin porcelain and zirconia framework, respectively, were subjected to two cooling protocols: slow cooling (SC) at 32 °C/min and extremely-slow cooling (XSC) at 2 °C/min...
May 15, 2016: Ceramics International
https://www.readbyqxmd.com/read/26949761/3d-quantification-of-clinical-marginal-and-internal-gap-of-porcelain-laminate-veneers-with-minimal-and-without-tooth-preparation-and-2-year-clinical-evaluation
#8
İrem Karagözoğlu, Suna Toksavul, Muhittin Toman
OBJECTIVES: The aims of this clinical study were to compare internal three-dimensional (3D) adaptation of porcelain laminate veneers (PLV) with minimal tooth preparation and without tooth preparation (prepless) and to evaluate the clinical outcomes at baseline and following 6, 12, and 24 months after luting. METHOD AND MATERIALS: Thirty-one prepless PLV and 31 PLV with minimal tooth preparation were fabricated using lithium disilicate glass-ceramic material and placed in 12 patients (8 women, 4 men; 18 to 40 years old)...
2016: Quintessence International
https://www.readbyqxmd.com/read/26843776/conservative-and-esthetic-management-of-diastema-closure-using-porcelain-laminate-veneers
#9
M Viswambaran, S M Londhe, Vijaya Kumar
No abstract text is available yet for this article.
December 2015: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/26843743/evaluation-of-the-effect-of-surface-preparation-using-phosphoric-acid-and-luting-cement-on-the-flexural-strength-of-porcelain-laminate-veneering-material
#10
Guruprasada, N Rivankar, R K Dhiman, M Viswambaran
BACKGROUND: Conventionally HF acid has been used for etching ceramic veneer restorations before their cementation. Studies are lacking regarding the effectiveness of phosphoric acid as a substitute for HF acid for etching the ceramic veneers. The purpose of this study was to evaluate the effectiveness of surface preparation of porcelain laminate veneers using phosphoric acid, as compared to HF acid etching in providing the necessary surface roughness conducive to development of an effective bond between the ceramic laminate and the resin luting cement...
December 2015: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/26633080/predictable-outcomes-with-porcelain-laminate-veneers-a-clinical-report
#11
Welson Pimentel, Marcelo Lucchesi Teixeira, Priscila Paganini Costa, Mônica Zacharias Jorge, Rodrigo Tiossi
This clinical report describes how to achieve predictable outcomes for anterior teeth esthetic restorations with porcelain laminate veneers by associating the digital planning and design of the restoration with interim restorations. The previous digital smile design of the restoration eliminates the communication barrier with the patient and assists the clinician throughout patient treatment. Interim restorations (diagnostic mock-ups) further enhance communication with the patient and prevent unnecessary tooth reduction for conservative tooth preparation...
June 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/26630667/withdrawn-direct-versus-indirect-veneer-restorations-for-intrinsic-dental-stains
#12
REVIEW
John M Wakiaga, Paul Brunton, Nick Silikas, Anne-Marie Glenny, Ashish Gopakumar, Liam Boyle
No abstract text is available yet for this article.
2015: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/26568893/esthetic-rehabilitation-of-the-smile-with-no-prep-porcelain-laminates-and-partial-veneers
#13
Arcelino Farias-Neto, Edna Maria da Cunha Ferreira Gomes, Alfonso Sánchez-Ayala, Alejandro Sánchez-Ayala, Larissa Soares Reis Vilanova
Rehabilitation of patients with anterior conoid teeth may present a challenge for the clinician, especially when trying to mimic the nature with composite resins. This clinical report exemplifies how a patient with conoid upper lateral incisors was rehabilitated with minimally invasive adhesive restorations. Following diagnostic wax-up and cosmetic mock-up, no-prep veneers and ceramic fragments (partial veneers) were constructed with feldspathic porcelain. This restorative material presents excellent reproduction of the optical properties of the dental structure, especially at minimal thicknesses...
2015: Case Reports in Dentistry
https://www.readbyqxmd.com/read/26509231/digital-smile-design-for-computer-assisted-esthetic-rehabilitation-two-year-follow-up
#14
C T W Meereis, G B F de Souza, L G B Albino, F A Ogliari, E Piva, G S Lima
OBJECTIVE: The esthetics of the smile are related to the color, shape, texture, dental alignment, gingival contour, and the relationship of these with the face. PURPOSE: To present a two-year follow-up for an esthetic rehabilitation clinical case in which the method of digital smile design (DSD) was used to assist and improve diagnosis, communication, and predictability of treatment through an esthetic analysis of the assembly: face, smile, periodontal tissue, and teeth...
January 2016: Operative Dentistry
https://www.readbyqxmd.com/read/26332738/splinted-porcelain-laminate-veneers-with-a-natural-tooth-pontic-a-provisional-approach-for-conservative-and-esthetic-treatment-of-a-challenging-case
#15
J-H Jang, S-H Lee, J Paek, S-Y Kim
Esthetic rehabilitation of discolored anterior teeth is always a great challenge, especially in the presence of pathology. Fortunately, conservative management in the esthetic zone has become more feasible in compromised cases because of the development of restorative materials and advances in dental adhesives. This report presents a complicated case of a patient with tetracycline-related discoloration, multiple root resorption, and a periapical lesion. Treatment was conservative and used a natural tooth pontic and splinted porcelain laminate veneers...
November 2015: Operative Dentistry
https://www.readbyqxmd.com/read/25957239/in-vitro-evaluation-of-accuracy-and-precision-of-automated-robotic-tooth-preparation-system-for-porcelain-laminate-veneers
#16
Takafumi Otani, Ariel J Raigrodski, Lloyd Mancl, Ikuru Kanuma, Jacob Rosen
STATEMENT OF PROBLEM: Controlling tooth reduction for porcelain laminate veneers (PLVs) in fractions of millimeters is challenging. PURPOSE: The purpose of this study was to assess an automated robotic tooth preparation system for PLVs for accuracy and precision compared with conventional freehand tooth preparation. MATERIAL AND METHODS: Twenty maxillary central incisor tooth models were divided into 2 groups. Ten were assigned to a veneer preparation with a robotic arm according to preoperative preparation design-specific guidelines (experimental group)...
August 2015: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/25916013/clinical-aspects-of-porcelain-laminate-veneers-considerations-in-treatment-planning-and-preparation-design
#17
REVIEW
Andrea Jordan
Making the transition from conventional methods to more modern, perhaps more sophisticated, methods in dentistry can be intimidating. Introduction of new techniques and materials into private practice requires understanding of the current scientific literature. Here, a review of the traditional clinical approach to porcelain laminate veneer case planning and intraoral preparation is reviewed. Current research in each of these subjects is also discussed, summarizing some of the literature as well as newer products and technologies...
April 2015: Journal of the California Dental Association
https://www.readbyqxmd.com/read/25859514/evaluation-of-adhesive-bonding-of-lithium-disilicate-ceramic-material-with-duel-cured-resin-luting-agents
#18
Dipti Pravin Lambade, Sham M Gundawar, Usha M Radke
PURPOSE: The purpose of this vitro study was to comparatively evaluate the adhesive bonding of dual cured resin luting agents with lithium disilicate ceramic material. MATERIALS AND METHODS: Porcelain laminate veneers were prepared with lithium disilicate ceramic material i.e. IPS Empress II( E-Max Press). These laminates were bonded with RelyX ARC, Panavia F 2.0, Variolink II, Duolink and Nexus NX3.The porcelain laminates were etched with 9.6% hydrofluoric acid (Pulpdent Corporation) for one minute, washed for 15 sec with three way syringe and dried for 15 sec with air syringe...
February 2015: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/25858733/esthetic-occlusal-and-periodontal-rehabilitation-of-anterior-teeth-with-minimum-thickness-porcelain-laminate-veneers
#19
(no author information available yet)
'...minimum thickness glass ceramic veneers for worn anterior teeth with multiple diastemas.'
April 10, 2015: British Dental Journal
https://www.readbyqxmd.com/read/25706612/digital-workflow-for-virtually-designing-and-milling-ceramic-lithium-disilicate-veneers-a-clinical-report
#20
A Zandinejad, W S Lin, M Atarodi, T Abdel-Azim, M J Metz, D Morton
Laminate veneers have been routinely used to restore and enhance the appearance of natural dentition. The traditional pathway for fabricating veneers consisted of making conventional polyvinyl siloxane impressions, producing stone casts, and fabricating final porcelain prostheses on stone dies. Pressed ceramics have successfully been used for laminate veneer fabrication for several years. Recently, digital computer-aided design/computer-aided manufacturing scanning has become commercially available to make a digital impression that is sent electronically to a dental laboratory or a chairside milling machine...
May 2015: Operative Dentistry
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