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https://www.readbyqxmd.com/read/29142646/integrating-3d-facial-scanning-in-a-digital-workflow-to-cad-cam-design-and-fabricate-complete-dentures-for-immediate-total-mouth-rehabilitation
#1
Bassam Hassan, Marcus Greven, Daniel Wismeijer
PURPOSE: To integrate extra-oral facial scanning information with CAD/CAM complete dentures to immediately rehabilitate terminal dentition. MATERIALS AND METHODS: Ten patients with terminal dentition scheduled for total extraction and immediate denture placement were recruited for this study. The patients were submitted to a facial scanning procedure using the in-office PritiMirror scanner with bite registration records in-situ. Definitive stone cast models and bite records were subsequently submitted to a lab scanning procedure using the lab scanner (iSeries DWOS; Dental Wings)...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29142643/verification-of-a-computer-aided-replica-technique-for-evaluating-prosthesis-adaptation-using-statistical-agreement-analysis
#2
Hang-Nga Mai, Kyeong Eun Lee, Kyu-Bok Lee, Seung-Mi Jeong, Seok-Jae Lee, Cheong-Hee Lee, Seo-Young An, Du-Hyeong Lee
PURPOSE: The purpose of this study was to evaluate the reliability of computer-aided replica technique (CART) by calculating its agreement with the replica technique (RT), using statistical agreement analysis. MATERIALS AND METHODS: A prepared metal die and a metal crown were fabricated. The gap between the restoration and abutment was replicated using silicone indicator paste (n = 25). Gap measurements differed in the control (RT) and experimental (CART) groups...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29140387/full-mouth-rehabilitation-with-calvarium-bone-grafts-and-dental-implants-for-a-papillon-lef%C3%A3-vre-syndrome-patient-case-report
#3
Bassam M Kinaia, Kristyn Hope, Ahmed Zuhaili, Jean Francois Tulasne
Papillon-Lefèvre syndrome (PLS) is a rare autosomal recessive disorder of keratinization associated with palmoplantar keratoderma and severe periodontitis resulting in complete edentulism in late adolescence. The pathognomonic dental features of PLS are pathologic migration, hypermobility, and exfoliation of the teeth without any signs of root resorption. It has been suggested that an effective way to treat PLS patients presenting early in the disease progression is extraction of the erupted primary dentition or hopeless permanent teeth followed by antibiotic coverage with periodontal therapy for the remaining teeth...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140378/perception-by-osseointegrated-dental-implants-supporting-a-fixed-prosthesis-a-prospective-study
#4
Purva V Bakshi, Srinath Thakur, Sudhindra Kulkarni
PURPOSE: Osseointegrated implants have been shown to transmit a certain sensibility termed as osseoperception. The purpose of this study was to determine the perception by implants over a period of 6 months after loading in comparison to the natural dentition. MATERIALS AND METHODS: Twenty subjects (ages 40 to 50 years) were included in this split-mouth clinical trial. The subjects were divided into two groups (n = 10) as follows: group 1-subjects with recently cemented implant-supported fixed prosthesis opposing natural teeth; group 2-subjects with recently cemented implant-supported fixed prosthesis in both arches...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29138601/zinc-phosphate-as-a-definitive-cement-for-implant-supported-crowns-and-fixed-dentures
#5
Dennis Flanagan
Implant-supported dental prostheses can be retained by a screw or cement. Implant-supported fixed partial dentures have a passive fit. A passive fit means there is an internal gap between the abutment surface and the intaglio of the retainer to insure that there is no lateral pressure on the supporting implants or friction upon seating of the prosthesis. This gap is filled with cement for retention of the prosthesis. Any lateral pressure may cause marginal bone loss or periimplantitis. Also, there is usually a microscopic gap at the margin of a crown retainer that exposes the cement to oral fluids...
2017: Clinical, Cosmetic and Investigational Dentistry
https://www.readbyqxmd.com/read/29126426/the-influence-of-immediately-loaded-implant-treatment-in-the-atrophic-edentulous-maxilla-on-oral-health-related-quality-of-life-of-edentulous-patients-3-year-results-of-a-prospective-study
#6
Maria Erkapers, Susanna Segerström, Karl Ekstrand, Russell A Baer, Joseph A Toljanic, Andreas Thor
BACKGROUND: To evaluate oral health related quality of life (OHQoL) in edentulous patients treated with immediately loaded implants in the maxilla. METHODS: Fifty-one edentulous patients in two centers received six maxillary implants each were loaded within 24 h with provisional restoration. Definitive restoration was delivered 20-24 weeks later. OHQoL was evaluated preoperatively with the Oral Health Impact Profile 49 questionnaire (OHIP-49) and on five subsequent occasions...
November 10, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29124950/factors-associated-with-dental-caries-periodontitis-and-intra-oral-lesions-in-individuals-with-hiv-aids
#7
Anderson Jambeiro de Souza, Isaac Suzart Gomes-Filho, Carlos Alberto Lima da Silva, Johelle de Santana Passos-Soares, Simone Seixas da Cruz, Soraya Castro Trindade, Ana Claudia Morais Godoy Figueiredo, Yvonne de Paiva Buischi, Gregory J Seymour, Eneida de Moraes Marcílio Cerqueira
This study aimed to investigate the factors associated with oral diseases in individuals with HIV/AIDS. A cross sectional study was carried out which included 312 individuals registered in the Specialized Care Services for HIV/AIDS in three municipalities of the State of Bahia: Feira de Santana, Santo Antonio de Jesus and Juazeiro, Brazil. Socioeconomic-demographic characteristics related to life style and to dental caries, periodontitis and intra-oral mucosal lesions were investigated in patients with HIV/AIDS infection...
November 10, 2017: AIDS Care
https://www.readbyqxmd.com/read/29124343/anatomical-landmarks-of-mandibular-interforaminal-region-related-to-dental-implant-placement-with-3d-cbct-comparison-between-edentulous-and-dental-mandibles
#8
Elif Sener, Erinc Onem, Gulcan Coskun Akar, Figen Govsa, Mehmet Asim Ozer, Yelda Pinar, Ali Mert, B Guniz Baksi Sen
BACKGROUND: Anterior mandibular (interforaminal) region is important in implant applications as it serves a basis for neurovascular bedding and holds the prosthesis for patients. Treatment planning for dental implant patients is often complicated by the unknown extent of the anterior loop of the neurovascular bundle. Anatomical structures including mandibular incisive canal (MIC) and lingual foramen (LF) should also be examined as part of the detailed analysis for their neurovascular structures...
November 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29109322/self-disinfecting-alginate-vs-conventional-alginate-effect-on-surface-hardness-of-gypsum-cast-an-in-vitro-study
#9
Ranjith Madhavan, Navia George, Niharika R Thummala, S V Ravi, Ajay Nagpal
INTRODUCTION: For the construction of any dental prosthesis, accurate impressions are necessary. Hence, we undertook the present study to evaluate and compare the surface hardness of gypsum casts poured from impressions made using conventional alginate and self-disinfecting alginate. MATERIALS AND METHODS: A total of 30 impressions of stainless steel die were made, out of which 15 impressions were made with conventional alginate and 15 were made with self-disinfecting alginate and poured using Type III dental stone...
November 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29098257/-effects-of-oral-implant-prosthesis-in-patients-with-missing-teeth-and-influence-on-gingival-sulcus-tnf-%C3%AE-il-6-and-il-8
#10
Rong Luo, Jun Luo, Luo-Ying Xia
PURPOSE: To evaluate effects of oral implant prosthesis in patients with missing teeth and influence on gingival sulcus TNF-α, IL-6 and IL-8. METHODS: Ninety four cases with tooth missing from October 2014 to October 2016 were divided into 2 groups, with 47 in each group. Patients in the control group were treated with conventional restoration, experimental group were treated with oral implantation. The clinical effects, levels of TNF-α, IL-6 and IL-8, gingival state, dental functions, and complications between the two groups were compared...
June 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29090251/prognosis-following-dental-implant-treatment-under-general-anesthesia-in-patients-with-special-needs
#11
Il-Hyung Kim, Tae Seong Kuk, Sang Yoon Park, Yong-Suk Choi, Hyun Jeong Kim, Kwang-Suk Seo
BACKGROUND: This study retrospectively investigated outcomes following dental implantation in patients with special needs who required general anesthesia to enable treatment. METHODS: Patients underwent implant treatment under general anesthesia at the Clinic for the Disabled in Seoul National University Dental Hospital between January 2004 and June 2017. The study analyzed medical records and radiographs. Implant survival rates were calculated by applying criteria for success or failure...
September 2017: J Dent Anesth Pain Med
https://www.readbyqxmd.com/read/29089765/osseointegration-of-layer-by-layer-polyelectrolyte-multilayers-loaded-with-igf1-and-coated-on-titanium-implant-under-osteoporotic-condition
#12
Helin Xing, Xing Wang, Saisong Xiao, Guilan Zhang, Meng Li, Peihuan Wang, Quan Shi, Pengyan Qiao, Lingling E, Hongchen Liu
PURPOSE: Titanium implant is a widely used method for dental prosthesis restoration. Nevertheless, in patients with systemic diseases, including osteoporosis, diabetes, and cancer, the success rate of the implant is greatly reduced. This study investigates a new implant material loaded with insulin-like growth factor 1 (IGF1), which could potentially improve the implant success rate, accelerate the occurrence of osseointegration, and provide a new strategy for implant treatment in osteoporotic patients...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29084301/masticatory-performance-and-maximum-bite-and-lip-force-depend-on-the-type-of-prosthesis
#13
Martin Schimmel, Kujtim Memedi, Tatiana Parga, Joannis Katsoulis, Frauke Müller
PURPOSE: The aim of this cross-sectional study was to assess maximum restraining lip force (MLF), maximum voluntary bite force (MBF), and patient-related parameters to evaluate their influence on masticatory function in four groups of participants with different dental states. METHODS: Participants were recruited and assigned to one of four different groups depending on dental status: complete removable dental prostheses (CRDP group); edentulous with two-implant overdentures (IOD group); Kennedy Class I partial removable dental prostheses (PRDP group); or fully dentate (control group)...
November 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29081445/load-bearing-capacity-of-novel-resin-based-fixed-dental-prosthesis-materials
#14
Isil Cekic-Nagas, Ferhan Egilmez, Gulfem Ergun, Pekka Kalevi Vallittu, Lippo Veli Juhana Lassila
To evaluate the influence of different materials on the load-bearing-capacity of inlay-retained fixed-dental-prosthesis (FDP). Ten types of FDPs were evaluated (n=7/group): Group PEEK: CAD-CAM polyetheretherketone (PEEK-TechnoMed), Group RC, made of discontinuous-fiber-composite (EverX Posterior); Group FRC1, made of discontinuous-fiber-composite (EverX Posterior) with two-bundles of continuous-unidirectional fiber-reinforced-composite (FRC) (Everstick C&B); Group FRC2, made of discontinuousfiber-composite (EverX Posterior) with two-bundles of continuous-unidirectional-FRC (Everstick C&B) covered by two-pieces of short-unidirectional-FRC (Everstick C&B) placed perpendicular to the main-framework; Group FB, CAD-CAM fiber-block (FibraComposite Bio-C); Group PMMA, CAD-CAM polymethyl methacrylate block (Temp basic); Group RP, resin-paste; Group FRP1, made of resin-paste (G-Fix) with two-bundles of continuous-unidirectional-FRC (Everstick C&B); Group FRP2, made of resin-paste (G-Fix) two-bundles of continuous-unidirectional-FRC covered by two-pieces of short unidirectional-FRC placed perpendicular to the mainframework and Group exp-FRC, experimental CAD-CAM FRC...
October 27, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/29080960/protocol-for-mandibular-reconstruction-with-zygomatic-implants-zygomatic-mandibular-implant
#15
Ruben Muñoz, Golaszewski Gajos, Jose Bladimir, Diaz Carvajal, Alvaro Luis, Grace Del Valle Speranza
INTRODUCTION: This study describes a modified protocol using transmandibular zygomatic implants with immediate occlusal loading for the comprehensive dental rehabilitation of previously reconstructed mandibular defects and reports preliminary results of this modified protocol. MATERIALS AND METHODS: Fifteen patients (6 female and 9 male), with a mean of age 40.26 years (range 12 to 68 years), had previously undergone immediate mandibular reconstruction using either autologous bone grafting, bone transport, or microvascular free-flap reconstruction for a variety of diagnoses...
October 28, 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29072648/-mental-health-of-elderly-and-old-people-when-using-a-complete-dry-dental-prosthesis-myth-or-reality
#16
A K Iordanishvili
The study studied the ratio of 17 adults with complete loss of teeth and using complete removable acrylic dentures, to the disease, taking into account the degree of stability of dentures during chewing. To determine the type of patient's attitude toward the disease, a clinical test method was used to determine the type of attitude towards the disease, in which the clinical-psychological typology of patients' attitude to 'illness' was realized, which provides the possibility of determining one of the twelve types of response...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/29071028/successful-use-of-lower-level-laser-therapy-in-the-treatment-of-medication-related-osteonecrosis-of-the-jaw
#17
Gustavo Antonio Correa Momesso, Fábio Roberto de Souza Batista, Cecília Alves de Sousa, Valthierre Nunes de Lima, Tárik Ocon Braga Polo, Jaqueline Suemi Hassumi, Idelmo Rangel Garcia Júnior, Leonardo Perez Faverani
Case Presentation: This study aimed to report a case of medication related osteonecrosis of the jaw (MRONJ) of a 65-year-old female patient referred to the Oral and Maxillofacial Surgery team from Araçatuba Dental School, complaining about mobility of a previously dental implant placed on the posterior maxillary region. Clinical examination revealed an extensive necrosis area around the implant region. The patient reported bisphosphonate therapy with sodium alendronate for prevention of osteoporosis 5 years ago...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29060278/a-study-on-setting-of-the-fatigue-limit-of-temporary-dental-implants
#18
M H Kim, E J Cho, J W Lee, E K Kim, S H Yoo, C W Park
A temporary dental implant is a medical device which is temporarily used to support a prosthesis such as an artificial tooth used for restoring patient's masticatory function during implant treatment. It is implanted in the oral cavity to substitute for the role of tooth. Due to the aging and westernization of current Korean society, the number of tooth extraction and implantation procedures is increasing, leading to an increase in the use and development of temporary dental implants. Because an implant performs a masticatory function in place of a tooth, a dynamic load is repeatedly put on the implant...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29044894/immediate-implant-placement-and-provisionalization-following-tumor-resective-surgery-in-the-midfacial-region-a-case-series
#19
Nelson Fernandes, Jacobus van den Heever, Leanne Sykes
Surgical and prosthodontic restoration of the midfacial region following tumor resection has always posed a considerable challenge, as this area serves crucial functional and esthetic roles. Being diagnosed and subsequently treated for facial tumors can have an immense psychosocial impact on a patient, as the resulting defects are often disfiguring, and lead to an inability to masticate, swallow, and speak clearly. Provision of an immediate facial and dental prosthesis at the time of surgery can limit these side effects and help reduce mental duress on these patients and their families, as well as aid in the process of rehabilitation...
October 18, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29042738/prosthetic-rehabilitation-of-mandibular-defects-with-fixed-removable-partial-denture-prosthesis-using-precision-attachment-a-twin-case-report
#20
Vimal Kantilal Munot, Ramesh P Nayakar, Raghunath Patil
The restoration of normal function and esthetic appearance with a dental prosthesis is a major challenge in the rehabilitation of patients who have lost their teeth and surrounding bone because of surgery for oral cyst or tumor. Rehabilitation with fixed or removable prosthesis is even more challenging when the edentulous span is long and the ridge is defective. Anatomic deformities and unfavorable biomechanics encountered in the region of resection add to the misery. In such situation, a fixed-removable prosthesis allows favorable biomechanical stress distribution along with restoration of esthetics, phonetics, comfort, hygiene, and better postoperative care and maintenance...
July 2017: Contemporary Clinical Dentistry
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