Mario Felipe Gutiérrez Reyes

Mario Felipe Gutiérrez Reyes
University of the Andes (Chile) | UANDES

DDS; MSc; PhD
Assistant Professor and researcher in Universidad de los Andes

About

81
Publications
24,938
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
682
Citations
Introduction
Mario Felipe Gutiérrez Reyes currently works at the Department of Craniofacial Rehabilitation of the Universidad de los Andes, and Institute for Research in Dental Sciences of University of Chile. Mario does research in Dental Materials and Oral Physiology
Additional affiliations
March 2007 - present
University of Chile
Position
  • Professor (Assistant)
Education
February 2016 - December 2018
State University of Ponta Grossa
Field of study
  • Dental Materials
February 2014 - February 2016
State University of Ponta Grossa
Field of study
  • Dental Materials

Publications

Publications (81)
Article
The present study aims to evaluate antimicrobial activity, cytotoxicity, as well as resin-dentine microtensile bond strength, nanoleakage and degree of conversion of six universal adhesives, on sound and caries-affected dentine after 18 months. The adhesives Prime&Bond Active (PBA), Scotchbond Universal (SBU), Tetric N-Bond Universal (TNU), Ambar U...
Article
Purpose To evaluate how incorporating copper nanoparticles (CuNp) into a universal adhesive affects the antimicrobial activity (AMA), bond strength (μTBS), nanoleakage (NL), elastic modulus (EM) and nanohardness (NH) of resin–dentin interfaces, at 24 h (24h) and after in situ cariogenic challenge (CC). Methods CuNp (0% [control] and 0.1 wt%) was a...
Article
Full-text available
Objective This study aimed to evaluate the effect of prolonging polymerization time on the 18 months clinical performance of a universal adhesive system used as etch-and-rinse (ER) and self-etch (SE). Methods 140 restorations were randomly placed in 35 subjects according to the following groups: ER10 (light-curing for 10 s); ER40 (light-curing for...
Article
This study evaluated the matrix metalloproteases (MMP) inhibition of the copper nanoparticles (CuNp), and the effects of their addition into a universal adhesive system on antimicrobial activity (AMA), ultimate tensile strength (UTS), water sorption (WS), solubility (SO), as well as the 24h and 1y microtensile bond strength (μTBS), nanoleakage (NL)...
Article
Objective: The aims of this study were to evaluate whether the use of a dentifrice containing 5% potassium nitrate prior and during in-office dental bleaching reduces bleaching-induced tooth sensitivity and affects bleaching efficiency. Materials and Methods: Thirty-eight individuals were randomly distributed into two groups (n = 19). The experimen...
Article
Objectives This double-blind, randomized clinical trial evaluated the influence of dentin moisture on postoperative sensitivity (POS), as well as, on clinical performance in posterior bulk-fill composite restorations, using a universal adhesive, until 12 months after clinical service. Methods and Materials In accordance with a split-mouth design,...
Article
Objective The aim of study was to develop and characterize experimental bioactive glasses (45S5 and niobophosphate bioactive glass (NbG)) and evaluate the effects of their addition in self-etching adhesive systems on physicochemical, mechanical, and bioactive properties, microtensile bond strength (μTBS), and nanoleakage (NL). Methods Two-step sel...
Article
Objective: To evaluate the microshear bond strength (mSBS) of 10 universal adhesive systems applied on five different CAD/CAM restorative materials, immediately and after thermal aging. Methods and materials: Five CAD/CAM materials were selected: 1) feldspathic glass ceramic (FeCe); 2) pre-polymerized reinforced resin composite (ReRC); 3) leucit...
Article
Full-text available
The aim of the present study was to evaluate the influence of several experimental pretreatment crosslinker solutions on the resin polymer–dentine interface created using a representative universal adhesive system, by means of microtensile bond strength testing (μTBS), nanomechanical properties and ultramorphology confocal laser scanning microscopy...
Article
Full-text available
Objective: To evaluate microshear bond strength (μSBS) and nanoleakage (NL) of three universal adhesives used under buildup composites using different curing modes, at baseline and after 6-months (6m). Methodology: Dentin specimens of 55 molars were assigned to: Clearfil Universal Bond[CFU], Prime&Bond Elect[PBE] and One Coat 7 Universal[OCU]. All...
Article
Full-text available
Bruxism is a condition that is frequently observed in patients, and they often consult for physical consequences, such as teeth wear or destruction, orofacial pain, as well as for the decrease of the quality of life, of both patients and their loved ones. In the last decade, research on this phenomenon has increased significantly, as well as the co...
Article
Objectives. To evaluate the effect of experimental dentin pre-treatment solutions formulated with different flavonoids on microtensile bond strength (􏰀TBS), nanohardness (NH) and ultra-morphological characteristics of artificial caries-affected dentin (CAD) bonded using a universal bonding system. Methods. A microbiological method was used to creat...
Article
Objective A systematic review and a meta-analysis were performed to answer the following research question: Are there differences in the color match and surface texture of nanofilled/nanohybrid and hybrid composite in patients with direct posterior restorations? Data Randomized clinical trials that compared nanofilled/nanohybrid and hybrid composi...
Article
Purpose: This double-blind, randomized clinical trial evaluated the influence of dentin moisture on postoperative sensitivity (POS) in posterior restorations using a simplified etch-and-rinse adhesive, until 12 months of clinical service. Methods: 90 restorations were inserted in 45 patients to treat carious lesions or to replace existing poster...
Article
Full-text available
Objective: To evaluate the effect of the laterotrusive occlusal scheme on chewing duration, external intercostal (EIC) electromyographic (EMG) activity, heart rate (HR), and oxygen saturation (OS) during different tasks in the upright seated position. Methods: Fifty young participants, 25 with canine guidance and 25 with group function, were includ...
Article
Objectives: To evaluate the effect of a methacryloyloxydecyl dihydrogen phosphate (MDP)–containing silane coupling agent and universal adhesive, used alone or in combination, on the microshear bond strength (μSBS) to zirconia after 24 hours of water storage (24h) and after 10,000 thermocycles (TC), complemented with chemical analysis of the surface...
Article
Full-text available
This study aimed to compare the electromyographic (EMG) activity among participants with costo-diaphragmatic, mixed or upper costal breathing type. Forty male were classified according to their breathing type into three groups: costo-diaphragmatic, upper costal and mixed breathing type. EMG activity of diaphragm (DIA), external intercostal (EIC), s...
Article
Objective: To evaluate the activity of mentalis (MN), buccinator (BC), and suprahyoid (SH) muscles among participants with different lip competence.. Methods: Sixty-three participants were classified clinically and assigned to the following groups of 21 each: 1) competent lips (competent), 2) incompetent lips (incompetent), or 3) forced lip closure...
Article
Objective: This study aimed to evaluate the addition of copper nanoparticles (CuNp) on the clinical performance of a universal adhesive system used as etch-and-rinse (ER) and self-etch (SE). Methods: 216 restorations were randomly placed in 36 subjects according to the following groups: ERcu = etch-and-rinse with 0.1% CuNp; ERct = etch-and-rinse...
Article
This study evaluated the MMP inhibition of the zinc oxide and copper nanoparticles (ZnO/CuNp), and the effects of their addition into adhesives on antimicrobial activity (AMA), ultimate tensile strength (UTS), in vitro degree of conversion (in vitro-DC), as well as, resin–dentin bond strength (μTBS), nanoleakage (NL) and in situ-DC on caries-affect...
Conference Paper
Full-text available
Objectives: To evaluate the MMP inhibition of the zinc oxide and copper nanoparticles (ZnO/CuNp) and the effects of their addition into universal adhesives on antimicrobial activity(AMA), cytotoxicity(CTx), ultimate tensile strength(UTS), microhardness(MH), water sorption(WS) and solubility(SO), in-vitro degree of conversion(DCv), as well as microt...
Article
Objective: The aim of this double blind, randomized controlled trial was to evaluate the 36-month clinical performance of the layering technique (incremental [IF] vs. bulk-fill [BF]) in posterior composite resin restorations bonded with self-etch (SE) and etch-and-rinse (ER) strategies. Methods: Posterior dental cavities of 72 participants (n =...
Article
Objectives: To evaluate the effect of addition of zinc oxide and copper nanoparticles (ZnO/CuNp) into universal adhesives, on antimicrobial activity (AMA), cytotoxicity (CTX), water sorption (WS) and solubility (SO), microhardness (MH) and in vitro degree of conversion (DC), as well as resin-dentin microtensile bond strength (μTBS), nanoleakage (N...
Article
Objective: To compare the effect of breathing type on electromyographic (EMG) activity of respiratory muscles during tooth clenching at different decubitus positions. Methods: Forty young men participants were included, 11 with upper costal, 9 with mixed, and 20 with costo-diaphragmatic breathing type. EMG recordings of diaphragm (DIA), external in...
Article
Abstract The objective of this study was to evaluate the effect of sonic application of universal adhesives on the enamel microshear bond strengths (µSBS), in situ degree of conversion (DC) and etching pattern. Ninety-six extracted third molars were sectioned in four parts (buccal, lingual, proximal) and divided into 12 groups, according to the com...
Article
Full-text available
To evaluate the effect of addition of zinc oxide and copper nanoparticles (ZnO/CuNp) into universal adhesives, on antimicrobial activity (AMA), cytotoxicity (CTX), water sorption (WS) and solubility (SO), microhardness (MH) and in vitro degree of conversion (DC), as well as resin-dentin microtensile bond strength (μTBS), nanoleakage (NL) and in sit...
Article
Full-text available
Objectives To evaluate the effect of addition of zinc oxide and copper nanoparticles (ZnO/CuNp) into universal adhesives, on antimicrobial activity (AMA), cytotoxicity (CTX), water sorption (WS) and solubility (SO), microhardness (MH) and in vitro degree of conversion (DC), as well as resin-dentin microtensile bond strength (μTBS), nanoleakage (NL)...
Article
Full-text available
This study evaluated the MMP inhibition of the zinc oxide and copper nanoparticles (ZnO/CuNp), and the effects of their addition into adhesives on antimicrobial activity (AMA), ultimate tensile strength (UTS), in vitro degree of conversion (in vitro-DC), as well as, resin–dentin bond strength (μTBS), nanoleakage (NL) and in situ-DC on caries-affect...
Article
Full-text available
This study evaluated the MMP inhibition of the zinc oxide and copper nanoparticles (ZnO/CuNp), and the effects of their addition into adhesives on antimicrobial activity (AMA), ultimate tensile strength (UTS), in vitro degree of conversion (in vitro-DC), as well as, resin–dentin bond strength (μTBS), nanoleakage (NL) and in situ-DC on caries-affect...
Article
Full-text available
There are limited studies about the effects of occlusal appliance (OA) after three months of use. This study aimed to compare myofascial pain (MP) according to RDC/TMD, craniocervical relationships (CR) and masseter and temporalis bilateral electromyographic (EMG) activity, before and after three months of occlusal appliance use. Nineteen patients...
Article
Full-text available
Objectives: To evaluate the effects of addition of diacetate chlorhexidine (CHX) at different concentrations into two etch-and-rinse adhesive systems on CHX release, as well as the immediate (IM) and two-year (2-Y) resin-dentin microtensile bond strength (μTBS) and nanoleakage (NL). Methods: CHX was added to XP Bond (XP) and Ambar (AM) at concentr...
Article
Full-text available
Avaliou-se a resistência ao microcisalhamento (RUM) e a nanoinfiltração (NI) de adesivos universais aplicados como sistemas convencionais em restaurações indiretas com ou sem ativador de autopolimerização (AA) usando diferentes protocolos de polimerização. Utilizou-se dentina oclusal de 55 molares humanos. Os espécimes foram alocados aleatoriamente...
Article
Full-text available
Objectives: The aim of this study was to investigate the effect of different protocols of 17% ethylene diamine tetra-acetic acid (EDTA) conditioning on the etching pattern and immediate bond strength of universal adhesives to enamel and sclerotic dentin. Methods and materials: Forty bovine teeth with sclerotic dentin and 20 human third molars we...
Article
Objectives: To measure microshear bond strength (μSBS) and nanoleakage (NL) of self-etch universal adhesives under core buildup restorations using different curing protocols, at 24h and after 6-month water storage. Methods: Middle dentin of 55 molars was divided into: Clearfil Universal Bond [CFU], Prime&Bond Elect [PBE], and One Coat 7 Universa...
Article
Objectives: To evaluate the effect of addition of copper nanoparticles at different concentrations into an etch-and-rinse adhesive (ER) on antimicrobial activity, Knoop microhardness (KHN), in vitro and in situ degree of conversion (DC), as well as the immediate (IM) and 2-year (2Y) resin-dentine bond strength (μTBS) and nanoleakage (NL). Methods...
Poster
Full-text available
Dual-cured buildup composites bonded with self-etch universal adhesives – adhesive properties
Poster
Full-text available
Objectives: To evaluate (1) the effect of 10-MDP (MDP) in the composition of silane; and (2) the use of combined silane/universal adhesive in the same solution or in separate solutions on the immediate (24h) and 1-year (1y) water storage microshear bond strength (μSBS) to lithium disilicate ceramic [LD]. Methods: 30 LD CAD/CAM blocks were cut into...
Poster
Full-text available
Objectives: To evaluate (1) the effect of 10-MDP (MDP) in the composition of silane; and (2) the use of combined silane/universal adhesive in the same solution or in separate solutions on the immediate (24h) microshear bond strength (μSBS) to 3Y-TZP [ZR]. Methods: 30 ZR CAD/CAM blocks were cut into 4 rectangular sections, and processed as recommend...
Poster
Full-text available
Objectives: To evaluate the effect of addition of copper nanoparticles (CN) at different concentrations into an etch-and-rinse adhesive (ER) on antimicrobial activity (AMA), knoop microhardness (KNH), in vitro degree of conversion (DC-d), in situ degree of conversion (DC-i), as well as the immediate (IM) and 1-year (1Y) resin-dentine bond strength...
Poster
Full-text available
This study evaluated functional monomers with different space length and hydrophilicity on carbon chains on self etching enamel bonding
Article
Objectives: To evaluate the effect of addition of copper nanoparticles (CN) at different concentrations into a two-step etch-and-rinse (2-ER) adhesive on antimicrobial activity (AMA), copper release (CR), ultimate tensile strength (UTS), degree of conversion (DC), water sorption (WS), solubility (SO), as well as the immediate (IM) and 1-year resin...
Article
Aim: To compare the effect of breathing type on activity of respiratory muscles at different body positions. Methodology: Two groups of twenty subjects each, one with upper costal and the other with costo-diaphragmatic breathing were studied. Electromyographic activity of sternocleidomastoid (SCM), diaphragm (DIA), external intercostal (EIC), and l...
Article
Full-text available
Purpose: To evaluate the microshear bond strength (μSBS) of several universal adhesive systems applied on five different indirect restorative materials. Materials and methods: Five CAD/CAM materials were selected: 1) indirect resin composite (LAV); 2) feldspathic glass ceramic (VTR); 3) leucite-reinforced glass-ceramic (EMP); 4) lithium disilica...
Article
Purpose: The objective of this double-blind, randomized clinical trial was to evaluate the six-month clinical performance of a new universal adhesive (Xeno Select, Dentsply) in noncarious cervical lesions (NCCLs) using two evaluation criteria: World Dental Federation (FDI) and the US Public Health Service (USPHS). Methods and materials: A total...
Article
Objectives: There is scarce knowledge regarding the influence of a natural mediotrusive contact on mandibular and cervical muscular activity. The purpose of this study was to analyze the EMG activity of the anterior temporalis (AT) and sternocleidomastoid (SCM) muscles during awake grinding in healthy subjects with or without a natural mediotrusive...
Article
Full-text available
Objective: To investigate the effect of collagen cross-links on the stability of adhesive properties, the degree of conversion within the hybrid layer, cytotoxicity and the inhibition potential of the MMPs' activity. Methods: The dentin surfaces of human molars were acid-etched and treated with primers containing: 6.5wt% proanthocyanidin, UVA-ac...
Article
Objectives: To evaluate the effect of minocycline and chlorhexidine pretreatment of acid-etched dentin on the longevity of resin-dentin bond strength (μTBS) and nanoleakage of two-step etch-and-rinse adhesives. Methods: Before application of Prime & Bond NT and Adper Single Bond 2 in occlusal dentin, the dentin surfaces were treated with 37% pho...
Article
Full-text available
Effect of body position on electromyographic (EMG) activity has been studied in the cranio-cervical-mandibular muscles, but its effect on the activity of respiratory muscles in subjects with different breathing types has not yet been elucidated. This study included two groups of twenty male subjects each, one with upper costal and the other with co...
Article
Purpose: To evaluate the effect of an acid containing 2% chlorhexidine (Ac/CHX) or a 2% CHX aqueous solution (Aq/CHX) on the immediate and 5-year bonding properties of resin/dentin interfaces produced by two adhesives. The presence of CHX in these interfaces was also evaluated under micro-Raman spectroscopy. Materials and Methods: Forty-two molars...
Article
Objectives: This study evaluated the effect of etching using 2% proanthocynidin-containing 10% phosphoric acid 2% PA/10% PhA vs. 35% phosphoric acid 35% PhA on immediate (IM) and 6-months (6M) resin-enamel microshear bond strength (μSBS), resin-dentin microtensile bond strength (μTBS), nanoleakage (NL) and as well as in situ MMP inhibition potenti...
Article
Full-text available
Objective. This study evaluated the effect of a natural mediotrusive contact on the electromyographic (EMG) activity of the anterior temporalis and sternocleidomastoid muscles during chewing in healthy subjects. Materials and methods. The study sample included two groups of 15 subjects each (Group 1: with natural mediotrusive contact; Group 2: with...
Article
Full-text available
Aims: A preliminary study to compare cervical lordosis by means of cervical cephalometric analysis, before and after six months of continuous mandibular advancement appliance (MAA) use, and to show how physical therapy posture re-education would improve the cervical lordosis angle. Methodology: Twenty-two female patients with temporomandibular d...
Article
Craniomandibular electromyographic (EMG) studies frequently include several parameters, e.g. resting, chewing and tooth-clenching. EMG activity during these parameters has been recorded in the elevator muscles, but little is known about the respiratory muscles. The aim of this study was to compare EMG activity in obligatory and accessory respirator...
Article
Full-text available
There are limited studies about the effects of occlusal appliance (OA) after three months of use. This study aimed to compare myofascial pain (MP) according to RDC/TMD, craniocervical relationships (CR) and masseter and temporalis bilateral electromyographic (EMG) activity, before and after three months of occlusal appliance use. Nineteen patients...