September/October 2021

Table of Contents


  • Editorial Credentialing: a motivating goal

    Timothy F. Kosinski

    2021 September/October; 69(5):5.

    Full Article (PDF)
  • Ethics Achieving a balanced life in the wake of the pandemic

    Toni M. Roucka

    2021 September/October; 69(5):6-7.

    Full Article (PDF)
  • Pharmacology Topical anesthetics: a review of several formulations

    Mana Saraghi
    Elliot V. Hersh

    2021 September/October; 69(5):8-11.

    Full Article (PDF)
  • Public Health Health inequity and racial bias: what do we really know about our patients?

    Larry N. Williams

    2021 September/October; 69(5):12-13.

    Full Article (PDF)
  • Oral Diagnosis Fluctuant gingival bump and Macerated mucosa

    Tanya M. Gibson

    2021 September/October; 69(5):76,78.

    Full Article (PDF)
  • Self-Instruction Answers Exercises No. GD462, GD463, and GD464 from the September/October 2020 issue

    2021 September/October; 69(5):79.

    Full Article (PDF)

Clinical Articles


    Oral and Maxillofacial Surgery Immunohistochemical analysis of growth factors in platelet-rich fibrin membranes

    Cecília Campos Laner
    Vanessa Cabral Perez
    André Luciano Pasinato da Costa
    Dimas João Rodrigues Neto
    Julia Zandoná
    João Paulo De Carli
    André Webber Rosa

    This in vitro immunohistochemical study aimed to analyze the presence of factors of endothelial growth and cell differentiation in platelet-rich fibrin membranes. The presence of CD31 and CD163 markers indicated the potential for vascular neoformation and the significant presence of monocytes. 

    2021 September/October; 69(5):14-19.

    Full Article (PDF)
    Self-Instruction Exercise No. GD480

    Oral Medicine, Oral Diagnosis, Oral Pathology Evaluation of the salivary flow of patients undergoing conventional radiotherapy for head and neck cancer

    Maria Heloísa da Conceição Tavares de Lima
    Lucas Nascimento Ribeiro
    Raylane Farias de Albuquerque
    Alessandra de Albuquerque Tavares Carvalho
    Igor Henrique Morais Silva
    Jair Carneiro Leão

    A cross-sectional study evaluating the salivary flow of 20 patients undergoing conventional radiotherapy in the head and neck region found that the mean total radiation dose (65 Gy) did not appear to influence the Xerostomia Inventory values or salivary volume. The data reinforced the subjective nature of xerostomia, which is not always related to hyposalivation.

    2021 September/October; 69(5):21-25.

    Full Article (PDF)
    Self-Instruction Exercise No. GD481
  • Fixed Prosthodontics Fiber-reinforced fixed dental prosthesis to replace missing anterior teeth: case reports

    Isabela Alves Matioli
    Ana Luiza de Moura Libório
    Keldrey Vinicius Alicio de Paula
    Lucas Fernando de Oliveira Tomaz Ferraresso
    Básia Rabelo Nogueira
    João Felipe Besegato
    Márcio Grama Hoeppner

    This report of 2 cases describes the placement of fiber-reinforced fixed dental prostheses (FRFDPs) immediately after the surgical extraction of incisors. In each case, the extracted tooth was used as a pontic. The esthetic and functional results demonstrated that the FRFDP is a viable option to replace missing anterior teeth. 

    2021 September/October; 69(5):28-33.

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    Pediatric Dentistry Antimicrobial activity of root canal filling pastes used in pediatric dentistry

    Manuella de Oliveira Fernandes
    Juliana Matos
    Lucianne Cople Maia
    Tatiana Kelly da Silva Fidalgo

    An in vitro study evaluated the antimicrobial activity of root canal filling pastes commonly used in primary teeth: iodoform paste; zinc oxide + eugenol (ZOE) in a proportion of 1:3; ZOE in a proportion of 1:5; calcium hydroxide (Ca[OH]2) + water; iodoform paste + ZOE + Ca(OH)2; ZOE + Ca(OH)2; and chlorhexidine (positive control). Iodoform paste demonstrated the greatest activity against Enterococcus faecalis, while the specimens exposed to Ca(OH)2 + water demonstrated no activity.

    2021 September/October; 69(5):34-37.

    Full Article (PDF)
    Self-Instruction Exercise No. GD482
  • Endodontics Efficacy of digital radiography for detecting a second mesiobuccal canal adjacent to unfilled or filled canals

    Lucas de Paula Lopes Rosado 
    Fernanda Bulhões Fagundes 
    Taruska Ventorini Vasconcelos 
    Erica dos Santos Carvalho 
    Iêda Crusoé-Rebello 
    Matheus Lima Oliveira 
    Frederico Sampaio Neves

    The accuracy of detection of the second mesiobuccal (MB2) canal when the adjacent canals were unfilled or filled with gutta percha was assessed using digital periapical radiographs. Intraobserver reproducibility ranged from substantial to almost perfect, and interobserver reproducibility ranged from fair to substantial. There were no statistically significant differences between groups in sensitivity, specificity, or accuracy. Detection of the MB2 canal can be challenging, and the presence of gutta percha does not influence the detection.

    2021 September/October; 69(5):39-42.

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  • Basic Science Smartphone use as an aid in evaluating conventional radiographs

    Giuliano Omizzolo Giacomini
    Carolina Antonioli
    Camila dos Santos Tibúrcio-Machado
    Mathias Pante Fontana
    Gabriela Salatino Liedke

    This study evaluated the use of smartphones for digitizing, sharing, and viewing radiographs in comparison to a conventional light box. Although the light box had better scores than the smartphones for sensitivity, specificity, and overall accuracy in detecting marginal gaps, the differences were not statistically significant. 

    2021 September/October; 69(5):43-45.

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  • Basic Science The effects of polishing techniques on surface roughness and gloss of different composites

    Graziela Ribeiro Batista
    Rayssa Ferreira Zanatta
    Alessandra Bühler Borges
    Carlos Rocha Gomes Torres

    Evaluation of the effects of different polishing techniques on surface roughness and gloss of various composites revealed significant differences for both factors analyzed (composite and polishing technique). The polishing technique used is material dependent, but all systems tested displayed clinically acceptable results. 

    2021 September/October; 69(5):46-51.

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  • Endodontics The endocrown: a unique method for restoring endodontically treated teeth

    Andy M. Janiga

    This report presents 3 cases of endocrown treatment as examples of common indications for this restorative approach: minimal tooth structure, questionable prognosis (rescue), and occlusal support. 

    2021 September/October; 69(5):52-55.

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  • Oral Medicine, Oral Diagnosis, Oral Pathology Detection of medial arterial calcification on CBCT images of a patient with undiagnosed type 2 diabetes mellitus: a case report

    Adeyinka F. Dayo
    Dale A. Miles
    Beth R. Hamann

    When medial arterial calcification is identified on cone beam computed tomographic images, the patient must be referred for evaluation of cardiovascular accident risk and the possible presence of type 2 diabetes. This report describes a case of undiagnosed type 2 diabetes confirmed by hemoglobin A1c levels after incidental detection of medial arterial calcification.

    2021 September/October; 69(5):57-61.

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  • Implants Influence of the geometry of the screwdriver-screw connection on the reverse torque of UCLA screws

    Washington Luís dos Reis
    Adriana Santos Malheiros
    Flavio Domingues Neves
    Etevaldo Matos Maia-Filho
    Leticia Machado Gonçalves
    Matheus Coelho Bandeca
    Rudys Rodolfo De Jesus Tavarez

    This study evaluated the influence of the screwdriver-screw connection geometry on the reverse torque of UCLA screws. Square, hexagonal, and hexalobular screws all had significantly different mean reverse torques. The hexalobular screws showed the greatest reduction from initial to final reverse torque, and the square screws showed the least.

    2021 September/October; 69(5):62-66.

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  • Endodontics Effect of different periods of calcium hydroxide dressing on the fracture resistance of root dentin

    Juliara Bellina Hoffmann
    Filipe Colombo Vitali
    Leila Clarisse Hillesheim
    Maybell Tedesco
    Lucas da Fonseca Roberti Garcia
    Eduardo Antunes Bortoluzzi
    Cleonice da Silveira Teixeira

    A compressive strength test was used to assess the reduction in the fracture resistance of root dentin after exposure to an intracanal calcium hydroxide dressing for 7, 14, 30, or 90 days. The 14- and 90-day groups showed significantly reduced strength compared to the control group, but the 7- and 30-day groups did not.

    2021 September/October; 69(5):67-71.

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  • Basic Science Antibacterial effect of green tea infusion used as a mouthwash on saliva and bacterial plaque: a randomized controlled trial

    Jazmin Servin Molas
    Julieta María Méndez
    Nelson Portillo
    Ulises Armando Villasanti Torales

    Evaluation of the antibacterial effect of a green tea infusion used as a mouthwash revealed statistically significant differences between the intervention and control (distilled water) groups, with participants in the green tea group demonstrating greater reductions in colony-forming units in saliva and plaque biofilm. 

    2021 September/October; 69(5):72-74.

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