Belén Morón‐Conejo

Universidad Complutense de Madrid

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Guillermo Pradíes

Universidad Complutense de Madrid

Francisco Martínez‐Rus

Universidad Complutense de Madrid

Santiago Berrendero

Universidad Complutense de Madrid

María Paz Salido

Universidad Complutense de Madrid

Alfonso Gil

Universitat Internacional de Catalunya

M Bonfanti-Gris

Universidad Complutense de Madrid

Ignacio Sanz‐Sánchez

Universidad Complutense de Madrid

Virginia Rivera

Banyan Biomarkers (United States)

Luis Rivera

Universidad Complutense de Madrid

R Ilya Casanova

University of Zulia

Cooperative Institutions

Universidad Complutense de Madrid

University of Zulia

University of Zurich

Liechtenstein Institute

John Wiley & Sons (United States)

Engineering Associates (United States)

Anatolia College

American College

Banyan Biomarkers (United States)

Universidad Autónoma de Santo Domingo

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Aportes al estudio de la epidemiología bucal del wayúu

Ciencia Odontológica (2004)

Belén Morón‐Conejo Virginia Rivera Fanny Rojas de Rivera Maydé Pirona Yrma Santana

Proposito: Determinar el perfil epidemiologico bucal de la etnia wayuu del estado Zulia. Metodologia: Se realizo un estudio transversal sobre una muestra aleatoria de 512 ninos de la etnia wayuu, en edades entre 6 y 17 anos, seleccionados entre los estudiantes de las escuelas de la parroquia Idelfonso Vasquez del municipio Maracaibo. El examen clinico fue realizado para determinar: erupcion dentaria, (criterios de Fundacresa, 1996); indice de caries, indice de fluorosis, necesidades de tratamiento periodontal y disfuncion de la articulacion temporomandibular, segun criterios del Oral Health Surveys 1987; y relacion de oclusion del primer molar permanente (llave de Angle). Para la identificacion del individuo como wayuu se utilizaron como criterios: la relacion materna parenteral, ascendente y descendente, el dominio del wayuunaiki y la practica de su cultura particular. Resultados: 43.1% de los individuos estaban afectados por caries, solo uno con fluorosis dental, una alta proporcion de necesidades de tratamiento periodontal, 52.8%; la relacion de oclusion de los primeros molares en la categoria Clase I fue de 75,5%; presencia de alteraciones de la ATM en una razon de 1 por cada tres examinados y diferencias en la edad mediana del grado de emergencia clinica inicial de caninos, primeros premolares y segundo molar inferior. Conclusiones: El perfil epidemiologico de esta etnia, podria estar influenciado por patrones de vida asociados con sus practicas y creencias culturales

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Interdisciplinary Approach to Retreatment of a Full‐Mouth Rehabilitation: Horizontal Preparations, Vertical Dimension of Occlusion Increase, and Mucogingival Surgery in a Tetracycline‐Stained Dentition

Journal of Esthetic and Restorative Dentistry (2025)

Alfonso Gil Belén Morón‐Conejo Marco Bonfanti Francisco Martínez‐Rus Guillermo Pradíes

ABSTRACT Objective This case report presents the interdisciplinary retreatment of a patient with a worn full‐mouth rehabilitation using defect‐oriented restorations, horizontal preparations, and vertical dimension of occlusion (VDO) increase. Clinical Considerations A 58‐year‐old woman with a previous full‐mouth rehabilitation presented with worn dentition, loss of VDO, and reduced posterior support. Examination revealed signs of parafunctional habits, tetracycline‐stained teeth, and compromised aesthetics with exposed discolored teeth and open embrasure spaces. Additionally, the veneers showed wear and ceramic chipping. The retreatment started with a diagnostic phase, including a wax‐up and mock‐up to guide the treatment plan. Mucogingival surgery was performed to correct gingival recession according to the restorative margins established by the mock‐up. The full‐mouth rehabilitation involved increasing the VDO through anterior crowns and veneers, posterior overlays, and dental implant restoration. Horizontal chamfer preparations ensured sufficient thickness for the ceramic material, allowing for durable adhesive restorations. Conclusions The interdisciplinary approach, combining diagnostic, surgical, and prosthetic phases, enabled the successful retreatment of this complex case, restoring function and aesthetics. A 2‐year follow‐up confirmed the stability and positive outcomes of the rehabilitated dentition. Clinical Significance This interdisciplinary approach provides an effective strategy for managing complex full‐mouth rehabilitations, integrating aesthetics, function, and periodontal health through defect‐oriented preparation techniques.

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10.1111/jerd.13416

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Fit comparison of interim crowns manufactured with open and proprietary 3D printing modes versus milling technology: An in vitro study

Journal of Esthetic and Restorative Dentistry (2024)

Belén Morón‐Conejo Santiago Berrendero Shizhu Bai Francisco Martínez‐Rus Guillermo Pradíes

Abstract Objectives This study aimed to assess the fit of interim crowns produced using DLP‐based 3D printing with different manufacturing workflows—open and proprietary—versus milling technology. Methods A total of 120 crowns were evaluated using the replica technique. The control group (Mill, n = 30) was manufactured via subtractive technology. Experimental groups were printed using a DLP printer (SprintRay Pro95). In the proprietary mode (SR100, n = 30), manufacturer resin was used with a 100‐μm layer thickness (LT) and a splashing cleaning postprocessing. In the open mode, validated resin was used. Group B100 ( n = 30) had a 100‐μm LT, and group B50 ( n = 30) had a 50‐μm followed by postprocessing in an ultrasonic bath with full immersion in isopropyl alcohol. Kruskal–Wallis tests with Bonferroni correction was applied after normal analysis ( α = 0.05). Results Group B50 exhibited the best overall fit (123.87 ± 67.42 μm), which was comparable to the gold standard Milling group, which demonstrated the lowest marginal fit ( p = 0.760). SR100 showed significantly poorer performance compared to Mill, B50, and B100 ( p < 0.001). Conclusions 3D printed and milled interim crowns generally demonstrated clinically acceptable fit, with the exception of the SR100 group. Postprocessing notably influenced crown fit, with the open mode with total immersion in isopropyl alcohol being superior. Clinical Significance The present study demonstrates that the selection of an optimal manufacturing and postprocessing workflow results in superior fit for interim crowns. This enables dental professionals to evaluate protocols and ensure reliable outcomes with improved clinical outcomes in interim crown fabrication.

Interim

10.1111/jerd.13295

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FACO/LUZ: Hacia la construcción de un modelo educativo integral en odontología (Parte II)

Ciencia Odontológica (2006)

Belén Morón‐Conejo C F Mary Rincón Fernando Rivera Guamán Pereira Gonzalez Suárez

Objetivo: construir un modelo educativo integral que de respuesta a los re tos de la odontologia como ciencia comprometida socialmente, tanto en el contexto nacional como latinoamericano. Parte de algunas consideraciones que develan los principios y las politicas de Estado que rigen la educacion superior en el mundo contemporaneo. Metodologia: para la construccion de la propuesta, la Facultad de Odontologia de la Universidad del Zulia, FACO/LUZ, dio apertura a escenarios de discusion con la participacion de los actores involucrados en el proceso, con la finalidad de evaluar la experiencia institucional en materia curricular. Igualmente, realizo un analisis critico de las tendencias mundiales en educacion y salud, a objeto de incorporarlas a la propuesta. Resultados: en sus alcances el modelo posibilita la formacion de talento huma no cuya praxis apunte a la transformacion cuali-cuantitativa, de la situacion de salud bucal de la poblacion. En su marco filosofico reafirma el modelo educativo docencia servicio investigacion e inserta conceptos actuales relacionados con la bioetica, la transculturalidad, la epidisciplinariedad y el uso de las lenguas autoctonas de la region y el pais. Finalmente, el modelo permite integrar la teoria y la practica (estudio-trabajo) en el marco de la estrategia de la atencion primaria en salud.

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Efficacy and risks of tooth‐supported prostheses in the treatment of partially edentulous patients with stage IV periodontitis. A systematic review and meta‐analysis

Journal Of Clinical Periodontology (2021)

Eduardo Montero Ana Molina David Palombo Belén Morón‐Conejo Guillermo Pradíes

Abstract Aim The aim was to evaluate the efficacy and effectiveness of tooth‐supported fixed prostheses in partially edentulous patients with stage IV periodontitis. Material and Methods Randomized and controlled clinical trials (RCTs and CCTs) and prospective/retrospective cohort studies or case series were searched in three databases. Survival rate of abutment teeth was considered the primary outcome. Meta‐analyses were performed whenever possible. Results Twenty‐four publications were included. No RCTs or CCTs compared the efficacy of tooth‐supported fixed prostheses between patients with severe periodontitis or non‐periodontitis patients. Most of the data retrieved were derived from case series. The incidence of abutment‐tooth loss after a follow‐up period from 2 to 35.4 years was low ( n = 17 studies; weighted mean incidence (WMI) = 4.8%; confidence interval (CI) [3.2, 6.5]). The corresponding figure for prostheses failure was WMI = 6.9% (n = 18; 95% CI [4.1, 9.7]). Technical complications seemed to be more frequent than biological complications (caries, endodontic failure, root fracture, etc.). Periodontal outcomes tended to remain stable over time. Conclusion Tooth‐supported fixed prostheses seemed to be a valid treatment approach to restore masticatory function in patients with stage IV periodontitis once periodontal therapy has been accomplished. However, the comparative efficacy of this treatment among periodontitis and non‐periodontitis patients is unclear due to the absence of clinical trials.

Tooth loss

10.1111/jcpe.13482

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Clinical evaluation of posterior zirconia-based and porcelain-fused-to-metal crowns with a vertical preparation technique: an up to 5-year retrospective cohort study.

Journal of Dentistry (2024)

M Gonzalez-Bonilla Santiago Berrendero Belén Morón‐Conejo Francisco Martínez‐Rus MP Salido

To evaluate the clinical conditions of single-unit posterior restorations on teeth prepared without finishing line, after 5.6 years of clinical service.

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Gingival recession

Posterior teeth

10.1016/j.jdent.2024.104953

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Esthetic and Functional Rehabilitation: Retreatment of Anterior Fixed Dental Prothesis With Biologically Oriented Preparation Technique and Digital Workflow

Journal of Esthetic and Restorative Dentistry (2024)

Belén Morón‐Conejo Alfonso Gil M Bonfanti-Gris María Paz Salido Francisco Martínez‐Rus

This clinical case describes a multidisciplinary retreatment of a patient with anterior fixed dental prostheses (FDPs) using minimally invasive restorations and a biologically oriented preparation technique (BOPT).

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Prothesis

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Anterior teeth

Dental prosthesis

Gingival margin

10.1111/jerd.13393

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Accuracy of surgical guides manufactured with four different 3D printers. A comparative in vitro study

Journal of Dentistry (2024)

Belén Morón‐Conejo Santiago Berrendero María Paz Salido Cristina Zarauz Guillermo Pradíes

The aim of this study was to assess the accuracy of surgical guides manufactured with four different 3D printers..

10.1016/j.jdent.2024.105226

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Accuracy of five different 3D printing workflows for dental models comparing industrial and dental desktop printers

Clinical Oral Investigations (2022)

Belén Morón‐Conejo Jesús López-Vilagran David Cáceres Santiago Berrendero Guillermo Pradíes

The aim of this study was to evaluate the accuracy, in terms of trueness and precision, of printed models using five different industrial and dental desktop 3D printers.Full-arch digital models with scanbodies of 15 patients were printed with five different 3D printers. The industrial printers were 3D system Project MJP2500 (3DS) and Objet30 OrthoDesk (Obj). The dental desktop printers were NextDent 5100 (ND), Formlabs Form 2 (FL) and Rapidshape D30 (RS). A total of 225 printed models were analysed. The printed models were digitized and compared with the reference cast model using the Control X software (Geomagic). The descriptive statistics and one-way ANOVA with the post hoc Tukey test were performed (α = 0.05).The one-way ANOVA for the trueness and precision of the printed model presented the best results for the 3DS, followed by ND, Obj, FL and RS (P < 0.01). In the scanbody zone, the best results were for the 3DS group, followed by Obj, ND, FL and RS (P < 0.01). Comparing the technologies, the Multijet technology used in industrial printers presented better results than the DLP and SLA technologies used in dental desktop printers (P > 0.01).There were statistically significant differences in terms of the accuracy of the printed models, with better results for the industrial than the dental desktop 3D printers.The industrial 3D printers used in dental laboratories presented better accuracy than the in-office dental desktop 3D printers, and this should be considered when the best accuracy is needed to perform final prosthetic restorations.

10.1007/s00784-022-04809-y

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The effect of a convergent transmucosal neck on soft tissues and radiographic outcomes: a 1-year follow-up randomized controlled trial

Clinical Oral Investigations (2023)

Belén Morón‐Conejo Ignacio Sanz‐Sánchez María Paz Salido Francisco Martínez‐Rus Guillermo Pradíes

Abstract Purpose The aim of this randomized controlled clinical trial was to evaluate peri-implant marginal bone levels (MBLs) and soft tissue dimension changes 1 year after loading. Patients in the control group received bone-level implants, whereas in the test group, tissue-level implants with a convergent transmucosal neck were used. Material and methods MBLs were calculated by measuring the distance from the implant shoulder to the first visible bone-to-implant contact using standardized periapical digital radiographs. Baseline (day of loading) and follow-up digital models obtained with an intraoral scanner were used to quantify the changes in the peri-implant soft tissue dimensions with a best-fit algorithm. Results The difference between final and baseline MBLs showed a mean bone loss of 0.16 ± 0.01 mm in the test group ( n = 15) and 0.45 ± 0.09 mm in the control group ( n = 14) ( p > 0.05). Soft tissue contour at the level of the gingival margin (GM) increased by 1.96 ± 2.69 mm in the test group and 0.65 ± 0.42 mm in the control group ( p = 0.167). Both groups showed a coronal displacement of the gingival margin with no significant differences among them. Conclusions The present study demonstrated peri-implant hard and soft tissues stability at both implant designs with no significant differences 12 months after loading. Clinical relevance There is still insufficient scientific evidence to demonstrate the role and advantages of the convergent transmucosal neck on the behavior of the peri-implant soft and hard tissues stability compared to a straight neck in bone-level implants 12 months after loading.

Gingival margin

10.1007/s00784-023-04892-9

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Citations (1)