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maxillofacial prosthetics

Salah Khalaf, Zaihan Ariffin, Adam Husein, Fazal Reza
PURPOSE: To compare the adhesion of three microorganisms on modified and unmodified silicone elastomer surfaces with different surface roughnesses and porosities. MATERIALS AND METHODS: Candida albicans, Streptococcus mutans, and Staphylococcus aureus were incubated with modified and unmodified silicone groups (N = 35) for 30 days at 37°C. The counts of viable microorganisms in the accumulating biofilm layer were determined and converted to cfu/cm(2) unit surface area...
February 8, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Sushma Yadav, Aparna Ichangod Narayan, Archit Choudhry, Dhanasekar Balakrishnan
Auricular defects comprise a large proportion of maxillofacial deformities. Most patients with acquired deformities have psychosocial ineptness and seek cosmetic rehabilitation. Although minor defects can be corrected surgically, extensive deformities are difficult to reconstruct with plastic surgery. Contrary to that, prosthetic restoration can provide excellent esthetic results. The conventional methods of maxillofacial prosthesis fabrication are time consuming and the outcome depends on the technician's skill...
January 24, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Neel Patel, Beomjune Kim, Waleed Zaid
Correction of orbito-frontal defects involves a multitude of surgical challenges, and requires careful and detailed planning. In the trauma setting, one must be prepared to deal with injuries to adjacent structures and be able to incorporate their repair into the surgical plan to maximize the functional and esthetic reconstruction for the benefit of the patient. Victims who have sustained trauma of the cranial complex in combination with mid-facial trauma, particularly involving the orbit, present a difficult scenario, especially when future ocular prosthetic rehabilitation is a concern...
December 23, 2016: Journal of Craniofacial Surgery
Ayaka Yanagi, Mai Murase, Yuka I Sumita, Hisashi Taniguchi
OBJECTIVE: The aims of this study were to reveal the nutritional status of patients after head and neck tumour treatment by using the Mini Nutritional Assessment-Short Form (MNA-SF) and to analyse the factors affecting nutritional status in patients with head and neck tumour. BACKGROUND: Elderly patients with loss of teeth and maxillary/mandibular bone due to head and neck tumour treatment could be at high risk of malnutrition. However, there are few reports on the nutritional status of these patients...
December 20, 2016: Gerodontology
Josip Kranjčić, Nikola Džakula, Denis Vojvodić
The treatment of patients with oral cancer is complex: a multidisciplinary approach needs to be taken and maxillofacial and oral surgeons, an oncologist, a prosthodontist should be included, and a psychologist is often needed. This case report describes the prosthetic rehabilitation of a patient after surgical removal of oral cancer with obturator prosthesis. Resection cavity was located in central part of the hard palate and the condition belonged to Aramany class 3 maxillary defects. The two-step impression technique of denture bearing area was used and the resection of cavity was performed...
September 2016: Acta Stomatologica Croatica
Pravinkumar G Patil, Smita Nimbalkar-Patil
Patient. A 68-year-old man was operated on for squamous cell carcinoma (T3N3M0) of the maxilla creating the hemimaxillary surgical defect on right side. The remaining arch was completely edentulous. There was remarkable limitation in the oral opening with reduced perimeter of the oral cavity due to radiation and surgical scar contracture. This article describes prosthetic rehabilitation by modifying the design of the obturator and achieving the retention with dental implant. Discussion. Severe limitation in the oral opening may occur in clinical situations following the postsurgical management of oral and maxillofacial defects...
2016: Case Reports in Dentistry
Re-Mee Doh, Sungtae Kim, Ki Chang Keum, Jun Won Kim, June-Sung Shim, Han-Sung Jung, Kyeong-Mee Park, Moon-Kyu Chung
PURPOSE: On maxillofacial tumor patients, oral implant placement prior to postoperative radiotherapy can shorten the period of prosthetic reconstruction. There is still lack of research on effects of post-implant radiotherapy such as healing process or loading time, which is important for prosthodontic treatment planning. Therefore, this study evaluated the effects of post-implant local irradiation on the osseointegration of implants during different healing stages. MATERIALS AND METHODS: Custom-made implants were placed bilaterally on maxillary posterior edentulous area 4 weeks after extraction of the maxillary first molars in Forty-eight Sprague-Dawley rats...
October 2016: Journal of Advanced Prosthodontics
D Rolski, J Kostrzewa-Janicka, P Zawadzki, K Życińska, E Mierzwińska-Nastalska
Morphological and functional disturbances induced by postsurgical defects and loss of tissues in the stomatognathic system due to the treatment of tumors in the maxillofacial region determine the therapeutic needs of patients. The study aimed at clinical and epidemiological evaluation of patients under prosthetic treatment in order to establish the algorithm for rehabilitation. The study group was composed of the patients after midface surgery (45.74%); surgery in a lower part of the face (47.38%); mixed postoperative losses (3...
2016: BioMed Research International
Meiko Oki, Ayako Kanazaki, Hisashi Taniguchi
Carbon ion radiotherapy, a form of charged particle radiotherapy that has been used to treat various inoperable and radio-resistant tumors, has been associated with less severe late effects than conventional radiotherapy. A 63-year-old woman with a soft palate defect received carbon ion radiotherapy (total dose: 64 Gray equivalents). Several late effects were observed, and osteoradionecrosis was observed not only on the tumor side but also on the other side and gradually expanded during maxillofacial prosthetic rehabilitation...
September 2016: International Journal of Prosthodontics
Rishi Thukral, Anuj Kumar, M C Prasant, Krunal M Punjabi, Aparna Paliwal, Kunal Patel
INTRODUCTION: One of the most common and effective ways of replacing missing teeth is by dental implants. Both quality and quantity of bone along with the area of implant placement govern the prognosis of the implant procedure. Certain risk factors predispose the implant treatment to high failure rate. Hence, we assessed the implant patients who were referred from private practitioners to the specialty hospitals from 2010 to 2014. MATERIALS AND METHODS: All the patients being referred from private clinics to the specialty dental hospital for the purpose of prosthetic rehabilitation by dental implants from June 2010 to July 2014 were included in the present study...
June 1, 2016: Journal of Contemporary Dental Practice
M M Goswami
BACKGROUND: Crestal bone loss along the dental implant surface deranges its prognosis and is known to occur with implants having 02 mm smooth crest module/collar design. Implants with rough coated crest module/collar design are said to reduce crestal bone loss. Comparison of crestal bone loss with both crest module/collar designs of implants needs to be done. METHODS: Twenty cases were selected. Each case received one implant with smooth collar design (Group-A) and one implant with coated rough collar design (Group-B)...
October 2009: Medical Journal, Armed Forces India
Gunjan Pruthi, Kirti Bansal, Rakesh Sharma, Ruchi Goel, Nidhi Mangtani, Veena Jain
Traumatic injuries, especially in maxillofacial region, not only lead to physical debilitation but also cause severe psychological distress in the affected individuals. Complete cosmetic and functional rehabilitation of such patients is a challenging task and thus requires a strategic treatment planning and a multidisciplinary team to execute the treatment. This patient report presents a patient who suffered with a severe glass cut injury leading to massive avulsion of face involving forehead, nose, upper lip, and anterior teeth...
July 2016: Journal of Craniofacial Surgery
Vinit Shah, Lakshya Yadav, Mayank Singh, Smriti Kharbanda
A maxillofacial prosthodontist forms an important link in the interdisciplinary management of a patient with anopthalmosis. Prosthetic management of an anopthalmic defect aims to deliver a well-fitting ocular prosthesis that can mimic the original eye as closely as possible, and thus restoring the patient's self-confidence and thereby rehabilitating them in the society. The fabrication of a custom ocular prosthesis is a demanding art. This case report presents a simplified technique for the fabrication of a custom ocular prosthesis for a child who had lost his eye to enucleation following retinoblastoma...
July 2015: National Journal of Maxillofacial Surgery
S K Roy Chowdhury, P S Menon, M R Vasant, B Jayan, R K Dhiman, S Karkun
BACKGROUND: Surgical repair with suitable bone graft / substitutes plays an important role in rehabilitation of individuals with residual anterior palatal or alveolar defects associated with an oronasal fistula. METHODS: 52 cases were treated by secondary or delayed bone grafting of the alveolar defects in isolation or associated with defects of the anterior palate from July 2002 - Nov 2004. Dimension and the extent of the defects were assessed with the help of radiographs & maxillofacial CT...
July 2006: Medical Journal, Armed Forces India
Jee-Hwan Kim, Soo-Yeon Shin, Janghyun Paek, Jong-Ho Lee, Ho-Beom Kwon
PURPOSE: The purpose of this study was to investigate the demographic patterns of maxillofacial prosthetic treatment to identify the characteristics and geographic distribution of patients with maxillofacial prosthetics in the capital region of Korea. MATERIALS AND METHODS: This retrospective analytical multicenter study was performed by chart reviews. This study included patients who visited the department of prosthodontics at four university dental hospitals for maxillofacial prosthetic rehabilitation...
June 2016: Journal of Advanced Prosthodontics
Subutay Han Altintas, Serdar Kilic, Nuray Yilmaz Altintas, Figen Cizmeci Senel
The most important objectives in restoring the maxillofacial patient are the restoration of function and psychological improvement through esthetics. Acquired maxillary and mandibular defects due to significant trauma or surgery represent a major challenge for the clinician and patient. Dental implant-retained prostheses represent a well-documented and reliable treatment option and can also help patients with maxillofacial defects by eliminating denture instability and improving function. Full-arch fixed dental hybrid prostheses provide functional and psychological advantages and also reduce the load on vulnerable soft and hard tissues in the reconstruction area...
January 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Ioli Ioanna Artopoulou, James C Lemon
Free tissue transfers are used to restore maxillofacial resected tissues during tumor ablative surgery. The maxillofacial prosthodontist remains an integral member of the therapeutic team, since conventional retained facial prostheses are in certain cases the most practical, trouble-free, cost-efficient, and successful means of rehabilitation.
May 2016: International Journal of Prosthodontics
Victor Chukwueke, Christian J Vercler, Kavitha Ranganathan, Stephanie Kline, Steven R Buchman
Preoperative computed tomography (CT)-derived design and modeling provides a useful guide for a more accurate reconstruction of a variety of complex maxillofacial deformities. While the use of three-dimensional CT imaging has focused mainly on bony reconstruction, the use of this technique to facilitate soft tissue reconstruction represents an important innovation that can assist surgeons with preoperative planning and intraoperative decision-making. In this study, the authors report the novel use of three-dimensional CT scan modeling to facilitate the resection of a large maxillofacial neurofibroma in a patient with neurofibromatosis...
May 2016: Journal of Craniofacial Surgery
Antonio D'Agostino, Lorenzo Trevisiol, Vittorio Favero, Mattia Pessina, Pasquale Procacci, Pier Francesco Nocini
PURPOSE: The purpose of the present study was to analyze the relation between zygomatic implants and symptomatic and radiologic modifications of the maxillary sinuses. MATERIALS AND METHODS: A retrospective cohort study of patients who underwent zygomatic implant rehabilitation at the Clinic of Dentistry and Maxillofacial Surgery of the University of Verona from January 2005 through May 2014 was designed. The primary predictor variable was time (pre- vs postoperative)...
August 2016: Journal of Oral and Maxillofacial Surgery
Raghavendra Adaki, Kamal Shigli, Dinshaw M Hormuzdi, Sivaranjani Gali
Treating diverse maxillofacial patients poses a challenge to the maxillofacial prosthodontist. Rehabilitation of hemimandibulectomy patients must aim at restoring mastication and other functions such as intelligible speech, swallowing, and esthetics. Prosthetic methods such as palatal ramp and mandibular guiding flange reposition the deviated mandible. Such prosthesis can also be used to restore speech in case of patients with debilitating speech following surgical resection. This clinical report gives detail of a hemimandibulectomy patient provided with an interim removable dental speech prosthesis with composite resin flange for mandibular guidance therapy...
January 2016: Contemporary Clinical Dentistry
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