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Journal of Esthetic and Restorative Dentistry

Asmaa Alammar, Omar Heshmeh, Radek Mounajjed, Michaela Goodson, Omar Hamadah
AIM: The aim of this study was to evaluate and compare conventional and modified lip repositioning surgical techniques used for management of gummy smile involving hyperactive lip elevator muscles. METHODS AND MATERIALS: A prospective study was conducted between April 2016 and May 2017. Twenty two adult patients aged 18-38 years with gummy smile ranging from 4 to 6 mm because of soft tissue disorders were included in the study. All patients were treated in the oral and maxillofacial department at Damascus University...
November 9, 2018: Journal of Esthetic and Restorative Dentistry
Nicoleta Corcodel, Alexander J Hassel, Sinan Sen, Daniel Saure, Peter Rammelsberg, Christopher J Lux, Sebastian Zingler
OBJECTIVE: To assess surface discoloration of four enamel sealants based on different chemical compositions after exposure to artificial aging and staining solutions. Furthermore, their cleanability after polishing will be evaluated. MATERIALS AND METHODS: Selected sealants were a composite resin-based sealant with fillers (Pro Seal), a composite resin-based sealant without fillers (Light BondSealant), a resin-modified glass ionomer-based sealant (ClinproXT Varnish) and a silicon-based sealant (Protecto)...
November 5, 2018: Journal of Esthetic and Restorative Dentistry
Abolfazl Saboury, Minoo Mahshid, Farhad Tabatabaian, Leila Moghadam
OBJECTIVE: To evaluate the effect of screw access hole design on the fracture resistance of cement-retained implant-supported zirconia-based restorations with screw access holes. MATERIALS AND METHODS: Thirty cement-retained implant-supported zirconia-based molar crown specimens were fabricated. The specimens were divided into 3 groups of 10: without access holes (C), with screw access holes (S), and with screw access holes accompanied with a surrounding zirconia wall (W)...
November 5, 2018: Journal of Esthetic and Restorative Dentistry
Hii S Ching, Norhayati Luddin, Thirumulu P Kannan, Ismail Ab Rahman, Nik R N Abdul Ghani
OBJECTIVE: The aim of this review was to provide an insight about the factors affecting the properties of glass ionomer cements and provides a review regarding studies that are related to modification of glass ionomer cements to improve their properties, particularly on physical-mechanical and antimicrobial activity. METHODS: PubMed and Science Direct were searched for papers published between the years 1974 and 2018. The search was restricted to articles written in English related to modification of glass ionomer cements...
November 5, 2018: Journal of Esthetic and Restorative Dentistry
Atais Bacchi, Ricardo Armini Caldas, Paulo Francisco Cesar, Carmem Silvia Pfeifer
OBJECTIVE: The aim of this study was to evaluate the color parameters and optical properties of resin cements (RCs) formulated with thio-urethanes (TUs). MATERIALS AND METHODS: Six TUs were synthesized by combining thiols (pentaerythritol tetra-3-mercaptopropionate [PETMP] or trimethylol-tris-3-mercaptopropionate [TMP]) with di-functional isocyanates (1,6-Hexanediol-diissocyante [HDDI] [aliphatic-AL] or 1,3-bis(1-isocyanato-1-methylethyl) benzene [BDI] [aromatic-AR] or Dicyclohexylmethane 4,4'-Diisocyanate [HMDI] [cyclic-CC])...
November 5, 2018: Journal of Esthetic and Restorative Dentistry
Renally B W Lima, Fabián Murillo-Gómez, Cristiana G Sartori, Mário F De Góes
OBJECTIVE: To evaluate whether biaxial flexural strength (BFS) of dual resin cements is affected by light absence or attenuation, storage time, or cements' chemical nature. MATERIALS AND METHODS: One hundred and twenty disk-shaped specimens were made from each cement (non-self-adhesive cement and self-adhesive cement) using Teflon molds on a controlled temperature surface (35°C). Specimens were polymerized as follows (N = 30): self-cured, directly light-cured, light-cured at a distance of 6 mm between the light tip and the specimen, and through a 6-mm thick composite resin barrier (indirectly light-cured)...
November 5, 2018: Journal of Esthetic and Restorative Dentistry
Emine Sen Tunc, Zeynep Sahin, Eda Guler, Sule Bayrak, Nuray Tuloglu
OBJECTIVE: Caries-detector dyes (CDDs) have proven useful in the identification and removal of carious dentin. However, residues of these cleaning agents may remain in the oral cavity. This study conducted spectrophotomectric analyses to evaluate the effectiveness of different cleaning agents in removing residual CDDs from the oral cavity. MATERIAL AND METHOD: Ninety freshly extracted human third-molar teeth were used in the study. Tooth occlusal surfaces were ground to expose dentin...
November 1, 2018: Journal of Esthetic and Restorative Dentistry
Tate H Jackson, Christopher J Kirk, Ceib Phillips, Lorne D Koroluk
OBJECTIVE: The aims of this study were (1) to investigate how relevant intraoral photographs are to contemporary orthodontic diagnosis and (2) to assess orthodontists' ability to accurately diagnose angle classification and dental midlines using standardized intraoral photographs. METHODS: Study participants were orthodontists who completed a survey regarding photography protocols and their use of intraoral photographs for diagnosis. Each participant was randomized to complete 1 visual diagnostic task regarding either angle classification or midlines...
October 31, 2018: Journal of Esthetic and Restorative Dentistry
Luiz Alexandre Chisini, Marcus Cristian Muniz Conde, Sônia Saeger Meireles, Raquel Venâncio Fernandes Dantas, Hugo Ramalho Sarmento, Álvaro Della Bona, Marcos Britto Corrêa, Flávio Fernando Demarco
OBJECTIVE: To evaluate the effect of storage time and temperature on the effectiveness of bleaching agents. METHODS: Enamel slabs were randomly allocated according to the concentration of carbamide peroxide (CP): 10% (CP10) and 16% (CP16). Shade evaluations were conducted at baseline and then after 3 and 12 months of storage at 3 different temperatures: 10°C (±2°C), 25°C (±2°C), and 35°C (±2°C). Objective color evaluation was performed (spectrophotometer CIEL*a*b* system and CIEDE2000) to calculate the color change (ΔE00 )...
October 31, 2018: Journal of Esthetic and Restorative Dentistry
Özgür Irmak, Batu Can Yaman, Ekim Onur Orhan, Mehmet Ali Kılıçarslan, Francis K Mante, Fusun Ozer
OBJECTIVE: To evaluate the influence of saliva contamination and cleaning procedures on shear bond strength (SBS) of a self-adhesive resin cement (SAC) to zirconia surfaces. MATERIALS AND METHODS: A total of 160 sandblasted zirconia blocks were randomly divided into eight groups as follows: No saliva contamination, no cleansing (NC-NC); contamination with saliva, no cleansing (SC-NC); no saliva contamination, cleansing with a zirconia primer (ZP; Z-Bond, Danville Materials, Inc...
October 30, 2018: Journal of Esthetic and Restorative Dentistry
Xiu-Ping Ke, Cun-Wei Wang, Hui-Qiang Sun, Yun Yang, Xia-Yan Luo, Ting-Song Liu
OBJECTIVES: To provide reference for computer-aided esthetic analysis and design of the maxillary anterior teeth. MATERIALS AND METHODS: Intraoral scanner was used to obtain the maxillary three-dimensional digital models of subjects with healthy periodontal tissue. In SpaceClaim, the occlusal plane was established as the horizontal reference plane to measure the positional relation between the gingival zenith (GZ) of the maxillary anterior teeth, the angle formed between the gingival line and the maxillary midline (GLA), the distance between the GZ of the lateral incisor and gingival line (LID), and the distance between the GZ and the vertical bisected middle surface along the long axis of the clinical crown (VBMS)...
October 29, 2018: Journal of Esthetic and Restorative Dentistry
Renally Bezerra Wanderley Lima, Cristhian Camilo Madrid Troconis, Marina Barrêto Pereira Moreno, Fabián Murillo-Gómez, Mario Fernando De Goes
OBJECTIVE: To evaluate scientific evidence regarding depth of cure of bulk-fill resin composites (BFRCs) and related factors. MATERIAL AND METHODS: PubMed/Medline, Embase, Scopus, and ISI Web of Science databases were accessed from October 2016 to May 2017. Investigations published in English language, assessing depth of cure of BFRCs by microhardness test and/or degree of conversion (DC) were included. Studies using exclusively ISO 4049, employing specimens deepness less than 4 mm, as well as those not reporting exposure time and/or irradiance from light curing units (LCUs) were excluded...
October 29, 2018: Journal of Esthetic and Restorative Dentistry
Valliammai Rajendran, Ashita Uppoor, David Kadakampally, Yamini Mannava
INTRODUCTION: Various minimally invasive surgical approaches are proposed for the management of gingival recession. A modified surgical approach coined as minimally invasive coronally advanced flap (MICAF) was compared with modified coronally advanced flap (MCAF) for the management of multiple adjacent gingival recession defects. MATERIALS AND METHODS: Seven systemically healthy subjects with bilateral multiple adjacent maxillary facial gingival recession defects (Miller I) were included in this study...
October 28, 2018: Journal of Esthetic and Restorative Dentistry
Marta Revilla-León, Matthew J Meyers, Amirali Zandinejad, Mutlu Özcan
OBJECTIVES: Additive manufacturing (AM) technologies can be used to fabricate 3D-printed interim dental restorations. The aim of this review is to report the manufacturing workflow, its chemical composition, and the mechanical properties that may support their clinical application. OVERVIEW: These new 3D-printing provisional materials are typically composed of monomers based on acrylic esters or filled hybrid material. The most commonly used AM methods to manufacture dental provisional restorations are stereolithography (SLA) and material jetting (MJ) technologies...
October 27, 2018: Journal of Esthetic and Restorative Dentistry
Alfonso Gil, Neema Bakhshalian, Seiko Min, Homayoun H Zadeh
OBJECTIVE: To examine the correlation between initial site-specific characteristics of patients with multiple gingival recession defects and the outcome of root coverage therapy. MATERIALS AND METHODS: Pretherapy and post-therapy study models of 21 patients (154 teeth) with multiple gingival recession defects, treated with Vestibular Incision Subperiosteal Tunnel Access (VISTA), were optically scanned. Three-dimensional analysis of superimposed preoperative and postoperative images was performed...
October 27, 2018: Journal of Esthetic and Restorative Dentistry
Karen Pintado-Palomino, Cecilia Vilela Vasconcelos Barros de Almeida, Christiano Oliveira-Santos, Fernanda Panzeri Pires-de-Souza, Camila Tirapelli
OBJECTIVE: The use of electronic cigarettes (ECIGs) has recently increased as an alternative to conventional smoking tobacco products. The literature is scarce on the effects of ECIGs on dental and oral structures. Therefore, the objective of this study was to observe whether ECIG aerosol could alter the color of dental enamel. MATERIALS AND METHODS: Sixty-three bovine enamel specimens were randomly separated into groups (n = 7) and treated with aerosols with different e-liquid flavors (neutral, menthol, and tobacco) and nicotine content (0, 12, and 18 mg)...
October 27, 2018: Journal of Esthetic and Restorative Dentistry
Amélie Karine Jacques Mainjot
OBJECTIVES: To introduce a novel approach for full-mouth rehabilitation of severely worn dentition using polymer-infiltrated ceramic network (PICN) computer-aided-design and manufacturing (CAD-CAM) restorations, without tooth tissue preparation and provisional phase. CLINICAL CONSIDERATIONS: Three patients with generalized tooth wear, suffering from dental pain, masticatory dysfunction, bruxism and neck and back pain, were selected and treated in collaboration with physiotherapists...
October 27, 2018: Journal of Esthetic and Restorative Dentistry
Wenceslao Piedra Cascón, Alberto Parra Nuñez, Ignacio Charlén Díez, Marta Revilla-León
OBJECTIVE: An analogue and digital workflow for the fabrication of a diagnostic 3D printed polymer template and its duplication for long-term injected composite resin interim restorations is described, because of the lack of scientific evidence in 3-dimensional (3D) printing applied to dentistry in terms of printer technology, printer parameters, postpolymerization processes, and material characteristics. In addition, in the case of 3D printed temporary resins, they cannot be relined successfully and its mechanical properties in the mouth have not been tested yet...
October 27, 2018: Journal of Esthetic and Restorative Dentistry
Islam Abd Alraheam, Caroline Nguyen Ngoc, Christopher A Wiesen, Terence E Donovan
OBJECTIVES: To assess and compare the 5-year success rate of resin-bonded fixed partial dentures (RBFPDs) fabricated from different materials. METHODS: An electronic search on 3 databases from January 1965 to March of 2017 was done for human randomized clinical trials (RCTs), and prospective and retrospective cohort studies. The key words used in the search were: Bridge OR bridges OR fixed partial OR fixed dental AND resin bonded OR Maryland OR ceramic bonded. Quality assessment was done using the Newcastle-Ottawa scale...
October 10, 2018: Journal of Esthetic and Restorative Dentistry
Mustafa H Atala, Nagehan Atala, Elif Yeğin, Seval Bayrak
OBJECTIVE: While the radiopacity of restorative material affects the radiographic diagnosis of the teeth, there is no data about the radiopacity of current restorative computer-aided design (CAD)/computer-aided manufacturing (CAM) materials. Therefore, the present study compared the radiopacity values of current restorative CAD/CAM blocks to facilitate the material choice within such a wide variety of materials. MATERIALS AND METHODS: Specimens were prepared from 13 different restorative CAD/CAM blocks to compare with enamel and dentin...
October 10, 2018: Journal of Esthetic and Restorative Dentistry
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