Browsing by Author "Arana Gordillo, Luis Alfonso"
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Item Alternative esthetic management of fluorosis and hypoplasia stains: Blending effect obtained with resin infiltration techniques(Journal of Esthetic and Restorative Dentistry, 2012-07-10) Muñoz, Miguel Angel; Arana Gordillo, Luis Alfonso; Mongruel Gomes, Giovanna; Mongruel Gomes, Osnara; Campanha Bombarda, Nara HellenStatement of Problem: New light‐polymerized resin composites optimized for rapid infiltration of enamel lesions with resin light curing monomers are commercially available today to prevent enamel lesions from further demineralization and provide a highly conservative therapy. In addition, this technique has proved to be effective treatment for blending white spot lesions because the microporosities of infiltrated lesions are filled with resin. Purpose: This clinical report presents and describes cases in which the minimally invasive infiltrant resin technique was used for blending different microporous lesions, mild‐to‐moderate fluorosis, and hypoplasia stains related to traumatic dental injuries. Results: The fluorosis stain showed visually perceptual improvements. In the cases of hypoplasia, stains were not completely blended. However, the general clinical outcomes of these cases were considered successful and recovered the patients' self‐esteem. Conclusion: Based on the results obtained, it could be concluded that the resin infiltration technique shows promising results and could be considered a minimally invasive procedure for mild‐to‐moderate fluorosis and hypoplasia stains.Item Aplicaciones del fosfato de calcio amorfo en alteraciones de la superficie del esmalte: revisión de literatura(Universidad Santiago de Cali, 2019) Bocanegra Sanclemente, Sully Lisseth; Guaitarilla Yamá, Geraldin Astrith; Núñez Llanos, Natalia; Arana Gordillo, Luis AlfonsoItem Comparación cronológica de la estabilidad dimensional de dos técnicas convencionales de impresión versus técnica modificada con polivinil siloxano(Universidad Santiago de Cali, 2019) Arias Morales, Paola Andrea; Guerra Ruiz, Dayana Marcela; Arana Gordillo, Luis AlfonsoItem Effects of pH and application technique of in-office bleaching gels on hydrogen peroxide penetration into the pulp chamber(Indiana University School of Dentistry, 2019-11-13) Balladares, Luis; Alegría Acevedo, Luisa; Montenegro, Andres; Arana Gordillo, Luis Alfonso; Pulido, Camilo A; Salazar Gracez, María Teresa; Reis, Alessandra; Loguercio, Alessandro DObjective: This in vitro study aimed to quantify the penetration of hydrogen peroxide (HP) into the pulp chamber in teeth submitted to in-office bleaching with varied pH and application techniques. The color change and pH of the in-office bleaching product during application was also evaluated. Methods and Materials: Ninety-six human premolars were used and randomly divided into 10 groups (n=9) according to the following combination of factors: pH of in-office bleaching agents (two neutral/alkaline pH: Opalescence Boost 38% and Whiteness HP Blue 35% and three acidic pH: Whiteness HP Maxx 35%, Lase Peroxide Sensy 35%, and Total Blanc Office 35%) and application modes (for 3 × 15 minutes [3×15] and 1 × 45 minutes [1×45]). An additional group of non-bleached teeth (control; n=6) was added. First, all teeth were sectioned 3 mm from the cementoenamel junction and the pulp tissue was removed. An acetate buffer was placed in the pulp chamber of all teeth. After bleaching, this solution was transferred to a glass tube in which HP was allowed to react with other components, resulting in a pink solution. The optical density of this pink solution was measured using ultraviolet-visible spectroscopy and converted into amount of HP. Color change before and 1 week after bleaching was evaluated using a digital spectrophotometer. A pH meter with a 6-mm circular and flat surface was used in contact with the enamel surface to quantify the pH of the bleaching gels during application. Data were analyzed using two-way analysis of variance and Tukey tests (α=0.05). Results: Overall, lower mean HP penetration values were observed for Opalescence Boost 38% and Whiteness HP Blue 35% compared with other bleaching gels (p<0.05). Opalescence Boost 38% and Whiteness HP Blue 35% were not influenced by the application technique (p>0.05). However, lower mean HP penetration values were observed for Whiteness HP Maxx 35%, Total Blanc Office 35%, and Lase Peroxide Sensy 35% when using the 3×15 application technique compared with the 1×45 technique (p<0.05). Significant whitening was detected and no significant difference of color change was observed between groups (p>0.54). The pH did not change during the 3×15 application technique; however, all acidic bleaching gels significantly decreased in pH when applied for 1×45 (p<0.01). Conclusions: The amount of HP that reaches the pulp chamber was lower when neutral/alkaline pH gels were used, independently of the application technique. When considering acidic pH gels, it is preferable to use the 3×15 application technique, mainly because longer application time (1×45) results in lower pH. No difference was observed between groupsItem Estudio antropométrico de la distancia intercondilar en una población por medio de la tomografía computarizada cone beam(Universidad Santiago de cali, 2016-02-24) Angrino Serna, Adriana; Riascos Córdoba, Dayra; Arana Gordillo, Gonzalo; Arana Gordillo, Luis Alfonso; Arana Gordillo, Diana FernandaLa tomografía computarizada Cone Beam proporciona imágenes con resoluciones de sub-milímetros de alta calidad diagnóstica y excelente visualización; realiza cortes topográficos en cortos intervalos de tiempo de entre 10 y 70 segundos, la dosis de radiación es quince veces menor comparada con la tomografía computarizada convencional. Este estudio determinó la distancia intercondilar en una población colombiana entre 18 y 48 años de edad, con una muestra de 200 tomografías Cone Beam teniendo en cuenta la edad y la madurez esquelética y otros factores que podrían alterar el resultado de las mediciones , como la cirugía ortognática o las anomalías en la ATM entre otras. Dichas mediciones se hicieron en milímetros, tomando la parte más interna y externa de los cóndilos mandibulares con ayuda del software Galaxis Galileos Viewer que permite unas mediciones geométricamente precisas para los datos del estudio.Item La fragaria (fresa) como agente aclarador dental, revisión de la literatura(Universidad Santiago de Cali, 2019) Grajales Rendón, Leidy Johana; Moreno Vázquez, Isabella; Pérez Molano, Angie Stephania; Arana Gordillo, Luis AlfonsoThe fragaria fruit commonly called strawberry and especially known in the gastronomic field, said fruit is characterized by containing different acids, in Colombia it is possible to find various varieties such as: La Chandler, The bird, La Miur and the Tioga. In addition to the use of La Fragaria as food, it is currently possible to find different publications in newspapers, websites and some studies about the use and some benefits of this fruit in the area of Dentistry, attributing these uses to its components; especially acids. The fragaria is used and named mainly by the general population as a possible lightening agent of the dental structure in an alternative method known as yourself DIY (do it yourself). Due to the rise of this fruit, it is necessary to carry out a review of the bibliography in international databases of the Santiago de Cali University to identify if the strawberry actually has lightening properties on the dental structure. After the review, it can be concluded that there is little information with a scientific basis and that it has an absence of certain relevant data which are important to give certainty about the effectiveness of said treatmentItem Influencia de la potencia y tiempo de la fuente emisora de luz en el factor de conversión de resinas compuestas con diferente translucidez(Universidad Santiago de Cali, 2019) Campo Patiño, Kelly Valentina; Hernández Aguirre, Daniela Andrea; Quintero Vidal, Carlos José; Arana Gordillo, Luis AlfonsoItem Randomized double-blind clinical trial of bleaching products in patients wearing orthodontic devices(Indiana University School of Dentistry, 2016-01-10) Montenegro Arana, Andres; Arana Gordillo, Luis Alfonso; Arana, Diana F.; Davila Sanchez, Andres; Jadad, Enrique; Coelho, Ulisses; Mongruel Gomes, Osnara Maria; Loguercio, Alessandro DObjectives: This double-blind randomized clinical trial evaluated tooth sensitivity (TS) and the effectiveness (EF) of two types of bleaching agents (Trèswhite Ortho [TWO] and Trèswhite Supreme [TWS]) when used in patients wearing orthodontic appliances. Methods and Materials: Forty patients between the ages of 18 and 40 years were randomly stratified, with an equal allocation rate, into two groups (n=20), according to the bleaching agent applied. Tooth color of the six maxillary anterior teeth was measured before and after the treatment with a spectrophotometer. The TS was recorded on three scales before and during the bleaching treatment. Results: With regard to EF, a significant reduction was found (ranging from 7.3-9.6 and 5.3-9.5 Vita scale units for TWO and TWS, respectively, p<0.001); however, there was no statistical difference between the groups (p>0.63). The number of patients with sensitivity was 58.8% and 73.3% for TWO and TWS groups, respectively (p=0.53); however, with each of the three scales used, the intensity of sensitivity was low and there was no statistical difference between TWO and TWS (p>0.05). Conclusions: In spite of producing a side effect of low TS, the two bleaching treatments tested were effective for dental bleaching in patients with fixed orthodontic appliances.Item Relación entre hábitos alimenticios y pigmentación dental durante procesos de aclaramientos: revisión de literatura(Universidad Santiago de Cali, 2022) Erazo Hernández, Milton José; Rivas Guzmán, Eduardo; Arana Gordillo, Luis AlfonsoItem Revisión bibliográfica y guía para elaboración de un protocolo de atención odontológica en pacientes psiquiátricos que acuden al servicio de odontología en la universidad Santiago de Cali(Universidad Santiago de Cali, 2019) Carvajal Amézquita, Yiseth Ximena; Lozano Guerrero, Tania Michelle; Medina Rodríguez, Alejandra; Rivera Marin, Freddy; Arana Gordillo, Luis AlfonsoItem Spectrophotometric evaluation of color alterations with a new dental bleaching product in patients wearing orthodontic appliances(American Journal of Orthodontics and Dentofacial Orthopedics, 2011-07-01) Jadad, Enrique; Montoya, Jaime; Arana, Gonzalo; Arana Gordillo, Luis Alfonso; Miotto Palo, Renato; D. Loguercio, AlessandroIntroduction: Our objective was to assess the effectiveness of a new bleaching agent (8% hydrogen peroxide) used in patients wearing fixed orthodontic appliances. Methods: Six anterior maxillary teeth of 40 patients aged 18 to 40 years were assessed. The patients were divided into 2 groups (20 in each group): in group A, the patients used the bleaching agent during orthodontic treatment; in group B, the patients used the bleaching agent after orthodontic treatment. For each group, a record of the initial tooth shade was taken with a polyvinyl siloxane matrix and a spectrophotometer. The groups had bleaching treatments with an 8% hydrogen peroxide product (Opalescence Treswhite Ortho, Ultradent, Opal Orthodontics, South Jordan, Utah) for 10 days in 45-minute sessions. For group A, the treatment was performed 10 days before finishing orthodontic treatment; at the end of the treatment, a new tooth shade record was taken with the polyvinyl siloxane matrix and a spectrophotometer. The subjects in group B had the same bleaching protocol after their brackets were removed. Results: It was observed that, for the group without brackets, the color alteration ranged from 3 to 12 (mean, 8; median, 8.3); for the group with brackets, the range was between 4 and 13 (mean, 9; median, 8.5), indicating significant tooth bleaching in both groups with and without brackets (P >0.05). Conclusions: Opalescence Treswhite Ortho was shown to be an efficient bleaching agent in patients wearing fixed orthodontic appliances.