Relevant bibliographies by topics / Obturator prosthesis

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  1. Journal articles

Academic literature on the topic 'Obturator prosthesis'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Obturator prosthesis"

1

Murat, Sema, Ayhan Gurbuz, Abulfaz Isayev, Bahadir Dokmez, and Unsun Cetin. "Enhanced retention of a maxillofacial prosthetic obturator using precision attachments: Two case reports." European Journal of Dentistry 06, no. 02 (2012): 212–17. http://dx.doi.org/10.1055/s-0039-1698953.

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ABSTRACTThe majority of maxillary defects can be rehabilitated with conventional simple obturator prosthesis. However, inadequate retention, stability and support may be associated with the use of an obturator. Precision attachments have been used to retain obturators for some time. The use of precision attachments in a dentate maxillectomy patient can yield significant functional improvement while maintaining the obturator’s aesthetic advantages. This clinical report describes the prosthetic rehabilitation of two maxillary defects with an obturator retained using extracoronal resilient precision attachments. (Eur J Dent 2012;6:212-217)
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2

Colangelo, Laura A., Barbara Roa Pauloski, Jerilyn A. Logemann, et al. "Effects of Intraoral Prostheses on Speech in Oropharyngeal Cancer Patients." American Journal of Speech-Language Pathology 5, no. 4 (1996): 43–55. http://dx.doi.org/10.1044/1058-0360.0504.43.

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This study investigates specific articulatory problems and compromised speech intelligibility associated with and without the use of an intraoral prosthesis in 13 surgically treated oropharyngeal cancer patients. Ten patients had tonsil and varying amounts of posterior tongue, tongue base, and soft palate resected. Three other patients had soft palate resected with no involvement of oral tongue or tongue base. Three types of intraoral prostheses were employed. One type was a maxillary reshaping/lowering prosthesis, the second type was a soft palate obturator, and the third type was a combined maxillary reshaping/lowering and soft palate obturator prosthesis. Review of the individual cases in relation to improvements in articulation and conversational understandability revealed mixed success with prosthesis usage in the group of 10 patients with posterior resection. In the group of three patients with soft palate resection, however, two patients benefitted from use of obturators. The results identify the need for some criteria in patient selection for intraoral prosthetic rehabilitation. However, in view of the individuality of each patient case in terms of surgical deficit, patient characteristics, and varied prosthodontic/speech-language pathologist teams, it is impossible to develop prescriptions for prosthodontic construction based on surgical deficit alone.
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3

DOMINGUES, Juliana Machado, Gislene CORRÊA, Romeu Belon FERNANDES FILHO, and Elaini Sickert HOSNI. "Palatal obturator prosthesis: case series." RGO - Revista Gaúcha de Odontologia 64, no. 4 (2016): 477–83. http://dx.doi.org/10.1590/1981-8637201600030000183177.

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ABSTRACT Surgical treatment for palate cancers can result in oral-nasal/sinus communication, which impairs the swallowing, speech and chewing ability of patients with reflux of ingested food into the nasal cavity, reducing their quality of life. This article aims to report how three cancer patients, with different types of palate cancer undergoing partial maxillectomy with oroantral or oral-nasal communication as postoperative sequelae were prosthetically rehabilitated from 2009 to 2015. The prostheses were made by dental-surgeons interns in the service of the Multidisciplinary Residency in Oncological Healthcare of the Hospital School of the Federal University of Pelotas (HE/UFPel). One of the patients is completely edentulous, the second partially toothed and in the third case the patient is totally toothed, only requiring the obturator. The creation of prosthetic rehabilitation followed the steps of conventional prostheses, especially observing the particularities in the planning, molding, installation and adjustment stages of the prosthesis. In all cases there was improvement on speech immediately after the prosthesis installation and patients reported greater ease to feed.
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4

Kumar. K., Harsha, Senbagavalli S., R. Ravichandran, and Vivek V. Nair. "PROSTHETIC REHABILITATION OF A MAXILLECTOMY PATIENT WITH A TITANIUM CLOSED HOLLOW BULB OBTURATOR USING LOST WAX BOLUS TECHNIQUE - A CASE REPORT." International Journal of Advanced Research 9, no. 06 (2021): 142–49. http://dx.doi.org/10.21474/ijar01/12995.

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Maxillary intraoral defects due to surgical resection create an open link between the oral and nasal cavities causing difficulty in deglutition, speech, and an unaesthetic appearance . Maxillary obturator prosthesis is a more frequent treatment modality than surgical reconstruction for maxillectomy in patients suffering from oral cancer. The obturators often become heavy and hence are hollowed out in the defect portion to reduce its weight as a standard practice. This case report describes the prosthetic rehabilitation of a maxillectomy patient with a titanium cast hollow obturator using lost wax bolus technique.
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5

Mattos, Beatriz Silva Câmara, Andréa Alves de Sousa, Marina Helena C. G. de Magalhães, Marcia André, and Reinaldo Brito e Dias. "Candida albicans in patients with oronasal communication and obturator prostheses." Brazilian Dental Journal 20, no. 4 (2009): 336–40. http://dx.doi.org/10.1590/s0103-64402009000400013.

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Patients using obturator prostheses often present denture-induced stomatitis. In order to detect the presence of oral Candida albicans in patients with oronasal communications and to evaluate the effectiveness of a topical antifungal treatment, cytological smears obtained from the buccal and palatal mucosa of 10 adult patients, and from the nasal acrylic surface of their obturator prostheses were examined. A therapeutic protocol comprising the use of oral nystatin (Mycostatin®) and prosthesis disinfection with sodium hypochlorite was prescribed for all patients. Seven patients were positive for C. albicans in the mucosa, with 1 negative result for the prosthetic surface in this group of patients. Post-treatment evaluation revealed the absence of C. albicans on prosthesis surface and on the oral mucosa of all patients. The severity of the candidal infection was significantly higher in the palatal mucosa than in the buccal mucosa, but similar in the palatal mucosa and prosthesis surface, indicating that the mucosa underlying the prosthesis is more susceptible to infection. The therapeutic protocol was effective in all cases, which emphasizes the need for denture disinfection in order to avoid reinfection of the mucosa.
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6

kalaignan, Parithimar, and Jaya Shree Mohan. "Impact of Maxillofacial Prostheses on Oral Health Related Quality Of Life (OHRQoL)." Biomedical and Pharmacology Journal 11, no. 2 (2018): 743–49. http://dx.doi.org/10.13005/bpj/1428.

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Maxillofacial defects cause impact on oral health related quality of life (OHRQol) including limitations in functional activities, communication, social interaction, and intimacy. The obturator prosthesis is commonly used as an effective means for rehabilitating maxillectomy patients. The purpose of this study was to investigate impact of definitive obturator prosthesis on oral health related quality of life. In the period between 2015 -2017, a total of twenty five (25) patients with acquired maxillary defects based on Okay classification have been selected and rehabilitated with definitive obturator prostheses .The OHRQol was measured using the Oral Health Impact Profile (OHIP-Edent-19) and Obturator functioning scale (OFS) with standardized questionnaire after 2 weeks & 3months of prosthesis function.To find the significant difference between the bivariate samples in Paired groups the Wilcoxon signed rank test was used. With respect to oral health impact profile –Edent 19 scale, the mean functional limitation score were 6.72 and 5.20 indicates that there is significant improvement in chewing performance after 2 weeks and 3 months of prosthesis function. Significant improvement in oral health impact profile was noticed in physical (M = 5.84, 4.88), Psychological (M=4.84, 3.96) and social disabilities (M=5.28, 4.16). Similarly, when observed with Obturator functioning scale, significant improvement were noted in chewing performance phonetics, appearance and miscellaneous aspects. Analysing the OHIP –Edent-19 scale and obturator functioning scale (OFS-15), statistically significant differences (Wilcoxon rank test p value = 0.0005) were observed. Within the limits of this study, it can be concluded that highly positive correlation exists between definitive obturator prostheses and oral health related quality of life (OHRQol).
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7

Rani, Gita, and Amarjeet Gambhir. "Prosthodontic Rehabilitation of a Patient with Subtotal Maxillectomy using a Hollow Bulb Obturator." International Journal of Prosthodontics and Restorative Dentistry 2, no. 1 (2012): 24–28. http://dx.doi.org/10.5005/jp-journals-10019-1042.

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ABSTRACT Successful prosthetic reconstruction of hemimaxillectomy defects is a challenging procedure that requires multidisciplinary expertize to achieve acceptable function, speech and esthetics. Rehabilitation of an acquired maxillary defect improves the quality of life for the patient as close to normal as possible. Obturation of the defect depends on its volume and position of remaining hard and soft tissues, to be utilized for retention, stability and support for the prosthesis. The prosthesis should be simple to handle, easy to maintain, biocompatible, light in weight and convenient for future adjustments. This case report describes a clinical case of subtotal maxillectomy, which was successfully rehabilitated with a hollow bulb obturator. How to cite this article Rani G, Gambhir A. Prosthodontic Rehabilitation of a Patient with Subtotal Maxillectomy using a Hollow Bulb Obturator. Int J Prosthodont Restor Dent 2012; 2(1):24-28.
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8

Chen, Cheng, Wenhao Ren, Ling Gao, et al. "Function of obturator prosthesis after maxillectomy and prosthetic obturator rehabilitation." Brazilian Journal of Otorhinolaryngology 82, no. 2 (2016): 177–83. http://dx.doi.org/10.1016/j.bjorl.2015.10.006.

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9

Sender, Benjamin, Thibault Lacroix, Philippe Jaby, and Anne-Gaelle Chaux-Bodard. "Are zygomatic implants a simple and reliable technique for the stabilization of obturator prostheses? Case report and review of the literature." Journal of Oral Medicine and Oral Surgery 26, no. 2 (2020): 12. http://dx.doi.org/10.1051/mbcb/2020002.

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Zygomatic implants have been used for several years for the treatment of extremely resorbed maxilla. Indications were extended for oral rehabilitations after maxillectomy in oncologic patients. A 24-year old patient with a triple A syndrome who underwent a left maxillectomy due to a spinocellular tumour was addressed for prosthetic rehabilitation. As his obturator prosthesis failed, surgical closure of the defect combined with 2 zygomatic implants to support the prosthesis was proposed. Despite a small persistent oro-antral fistula, the new obturator prosthesis restored the patient's functions and esthetics and improved his quality of life. The literature reports less than 40 cases of maxillectomy patients rehabilitated with zygomatic implants (with or without flap closure of the defect). Regardless of implant placement, there is no significant difference between reconstructive surgery and obturator prosthesis. Thus, zygomatic implants seem to be a reliable method for the stabilization of obturator prosthesis, without complex surgical procedure. Nonetheless, reservations should be expressed given the lack of data in terms of long-term follow up.
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10

Lyons, Karl M., Richard D. Cannon, John Beumer, Mahmoud M. Bakr, and Robert M. Love. "The Role of Biofilms and Material Surface Characteristics in Microbial Adhesion to Maxillary Obturator Materials: A Literature Review." Cleft Palate-Craniofacial Journal 57, no. 4 (2019): 487–98. http://dx.doi.org/10.1177/1055665619882555.

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Background: Maxillofacial prosthetics includes restoration of maxillary defects resulting from resection of palate and nasosinus neoplasms with obturator prostheses which may be colonized by microorganisms and function as a reservoir of infection. Patients with neoplasms commonly also require radiotherapy that can result in changes in saliva quality and quantity and changes in the oral microbial flora. The altered flora, in individuals immunocompromised from cancer therapy, increases their risk of prosthesis-related infections. Objectives: In this review article, we explore microbial biofilms, their main components, mechanisms of microbial adhesion, and stages of biofilm development. We also discuss the different materials that are used for manufacturing maxillary obturators, their characteristic features, and how these can affect microbial adhesion. Furthermore, we shed some light on the factors that affect microbial adhesion to the surface of maxillary obturators including tissue proteins, protein adsorption, and the acquired enamel pellicle. Conclusions: The conclusions drawn from this literature review are that it is imperative to minimize the risk of local and systemic infections in immunocompromised patients with cancer having maxillary defects. It is also important to determine the role of saliva in microbial adhesion to obturator materials as well as develop materials that have a longer life span with surface characteristics that promote less microbial adhesion than current materials.
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