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Dental implant

José Luis Calvo-Guirado, Jose Antonio Benitez-García, José Eduardo Maté Sánchez de Val, Carlos Pérez-Albacete Martínez, Sergio Alexandre Gehrke, Rafael Delgado-Ruiz, Ofer Moses
OBJECTIVE: The aim of this study was to evaluate the influence of the location and length of root pieces on buccal peri-implant bone width and socket preservation in socket shield technique. MATERIAL AND METHODS: Forty-eight dental implants (24 narrow and 24 regular platform internal hex implants) were placed in six dogs. The clinical crowns of teeth P2, P3, P4 and M1 were detached horizontally and removed from the underlying roots. Then the mesial root of each tooth was extracted and the distal root was degraded using a high-speed hand-piece with round bur, creating a concave shell of dentin cementum and periodontal ligament (PDL) connected to the buccal aspect of the socket...
September 20, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
Sydnee E Chavis, Tamar M Shrikian, Andre Haerian, Sean P Edwards, Stephanie M Munz
BACKGROUND AND OVERVIEW: A 9-year-old girl underwent comprehensive resection and rehabilitation of a central giant cell granuloma that required phased interprofessional collaborative care to optimize treatment decisions and outcome. CASE DESCRIPTION: The interprofessional treatment team included an oral and maxillofacial surgeon, maxillofacial prosthodontist, dentist, orthodontist, and speech-language pathologist, and treatment spanned 9 years. Treatment included surgical resection of a central giant cell granuloma and obturation with a removable interim prosthesis...
September 19, 2018: Journal of the American Dental Association
Terry R Walton, Danielle M Layton
OBJECTIVES: Evaluate intra- and inter-examiner agreement of radiographic marginal bone level (MBL) assessment around Brånemark single implants; and whether agreement related to radiograph brightness, discrimination level (accuracy), participant demographics or implant characteristics. MATERIALS AND METHODS: Seventy-four participants assessed MBLs of 100 digital radiographs twice with normal brightness, and twice with increased brightness. Intra-examiner agreement with and without increased brightness to the same thread, and within one thread; and inter-examiner agreement as compared with the group (defined by the mode) for the first assessments with and without increased brightness, to the same thread, and within one thread were calculated with Cohen's Kappa...
July 2018: Clinical Oral Implants Research
Nele Van Assche, Stefan Fickl, Helena Francisco, Katarzyna Gurzawska, Iva Milinkovic, Jose M Navarro, Ferruccio Torsello, Daniel S Thoma
BACKGROUND: During the third Summer Camp of European Association of Osseointegration (EAO), 40 junior representatives from various European societies and associations were brought together to discuss and explore the following topics in Implant Dentistry in the next 10 years: (I) certification, (II) societies and associations, (III) continuing education, and (IV) innovations. AIMS: The aims of all working groups were to identify and outline the present situation in the area of the selected topic and to propose improvements and innovations to be implemented in the following 10 years...
June 2018: Clinical Oral Implants Research
Juan Xia, Yinghua Li, Dongping Cai, Xilin Shi, Shiyong Zhao, Qianzhou Jiang, Xuechao Yang
BACKGROUND: Three-dimensional (3D) printing technology is used widely in dentistry for applications including implant surgery, oral and maxillofacial surgery, orthognathic surgery, endodontics and prosthodontics. Using a 3D-printed template makes performing the repair procedure faster and more convenient. The aesthetic restoration of anterior teeth can recover facial beauty, enhance speaking and chewing functions and improve the quality of life of the patient. CASE PRESENTATION: This article describes two kinds of clinical cases including fractured teeth and dental caries...
September 20, 2018: BMC Oral Health
Ruogu Xu, Xiucheng Hu, Xiaolin Yu, Shuangquan Wan, Fan Wu, Jianglin Ouyang, Feilong Deng
Background: Selective laser melting (SLM) titanium is an ideal option to manufacture customized implants with suitable surface modification to improve its bioactivity. The peri-implant soft tissues form a protective tissue barrier for the underlying osseointegration. Therefore, original microrough SLM surfaces should be treated for favorable attachment of surrounding soft tissues. Material and methods: In this study, anodic oxidation (AO) was applied on the microrough SLM titanium substrate to form TiO2 nanotube arrays...
2018: International Journal of Nanomedicine
Kristina Emily Schmidt, Thorsten Mathias Auschill, Anton Sculean, Nicole Birgit Arweiler
OBJECTIVES: To investigate tissue health around implants with newly attached superstructures over 12 months of preventive maintenance appointments and instrumentation when necessary. MATERIAL AND METHODS: In a randomized, split-mouth study 32 implants (8 participants with 4 implants each) received followed-up care every 3 months after superstructure attachment. Implants and superstructures were randomly assigned to four treatment groups and treated if necessary: (1) titanium curettes (TC), (2) stainless steel ultrasonic tip (PS), (3) erythritol air-polishing powder (EP), or (4) rubber cup polishing (CON)...
September 19, 2018: Clinical Oral Investigations
Ronaldo Silva Cruz, Cleidiel Aparecido de Araújo Lemos, Victor Eduardo de Souza Batista, Hiskell Francine Fernandes E Oliveira, Jéssica Marcela de Luna Gomes, Eduardo Piza Pellizzer, Fellippo Ramos Verri
This study compared the survival rate of dental implants, amount of marginal bone loss, and rates of complications (biological and prosthetic) between short implants and long implants placed after maxillary sinus augmentation. This systematic review has been registered at PROSPERO under the number (CRD42017073929). Two reviewers searched the PubMed/MEDLINE, Embase, LILACS, and Cochrane Library databases. Eligibility criteria included randomized controlled trials, comparisons between short implants and long implants placed after maxillary sinus augmentation in the same study, and follow-up for >6 months...
2018: Brazilian Oral Research
Phillip T Iero, David R Mulherin, Ole Jensen, Tom Berry, Hassan Danesi, Samuel J Razook
PURPOSE: Mild to moderate pain is common following dental implant surgeries, although severe pain is reported in some patients. This randomized, open-label trial was designed to determine the efficacy and safety of an opioid-sparing postsurgical pain management protocol with or without local infiltration of liposomal bupivacaine for full-arch implant surgery. This procedure is used in edentulous and/or failing dentition patients and involves securing four or more implants to the maxilla and/or mandible to serve as anchors for dental prostheses...
September 2018: International Journal of Oral & Maxillofacial Implants
Keina Nagahisa, Korenori Arai, Shunsuke Baba
PURPOSE: The objective of this study was to use patient-reported outcome to explore patient characteristics that influence the oral health-related quality of life of post-implant patients. MATERIALS AND METHODS: The study design was a nested case-control study. The target population was patients who had undergone implant treatment at the Department of Oral Implantology, Osaka Dental University, with a superstructure fitted ≥ 3 months previously. The survey period was from April 2014 to the end of October 2016...
September 2018: International Journal of Oral & Maxillofacial Implants
Fouad Khoury, Fawad Javed, Georgios E Romanos
PURPOSE: This observational study was based on a series of clinical cases in which failure of sinus augmentations occurred in patients who received prophylactic clindamycin therapy. MATERIALS AND METHODS: Between the years 2006 and 2010, a retrospective observational study was performed. The study consisted of 1,874 patients (723 males and 1,151 females) in whom sinus augmentations were performed prior to placement of dental implants. RESULTS: In nine (0...
September 2018: International Journal of Oral & Maxillofacial Implants
Gwendolin Wallner, Dominik Rieder, Manfred Gerhard Wichmann, Siegfried Martin Heckmann
PURPOSE: The esthetic outcome of dental implants can be compromised when some degree of bone loss occurs around the implant. This may particularly affect the tissue-level (TL) design. Therefore, bone-level (BL) design implants may be preferable if a natural emergence profile is important. Notwithstanding the implant design, the gingival biotype has been identified as a crucial factor in the stability of crestal bone. The objective of this study was to investigate bone loss in patients with different gingival biotypes at TL and BL implant sites in the esthetic zone...
September 2018: International Journal of Oral & Maxillofacial Implants
Yohei Jinno, Ryo Jimbo, Martin Lindström, Takashi Sawase, Thomas Lilin, Jonas P Becktor
PURPOSE: The purpose of this study was to examine the volumetric alterations and osseointegration properties in the augmented area of the ring technique using different types of bone graft material in sheep mandible bone. MATERIALS AND METHODS: Three different materials (columnar forms, 7-mm diameter, 3-mm height) were stabilized using dental implants with a turned surface in the mandible bone of Finnish Dorset cross-bred sheep: group A, autogenous bone; group B, bovine bone; group C, biphasic bone substitute...
September 2018: International Journal of Oral & Maxillofacial Implants
Anna Saffarpour, Amin Nozari, Reza Fekrazad, Aida Saffarpour, Maryam Naghavi Heibati, Kaveh Iranparvar
PURPOSE: Decontamination of the rough surfaces of dental implants is a challenge in the treatment of peri-implantitis. An acceptable cleaning technique must be able to debride and detoxify the surface without traumatizing it. This study assessed the possible implant surface alterations following decontamination with laser, photodynamic therapy (PDT), and application of chlorhexidine (CHX). MATERIALS AND METHODS: Of 16 dental implants with sandblasted, large-grit, acid-etched surfaces, Aggregatibacter actinomycetemcomitans was cultured on the surfaces of 15 implants for 48 hours...
September 2018: International Journal of Oral & Maxillofacial Implants
Ernst B Hunziker, Michael Spiegl-Habegger, Stefanie Rudolf, Yuelian Liu, Zhiyuan Gu, Kurt Lippuner, Nahoko Shintani, Lukas Enggist
PURPOSE: To test the hypothesis if a novel single-chamber experimental dental implant allows in vivo the quantitative assessment of osseointegration over time and as a function of different surface properties (physical, chemical, geometric, biologic [osteoconductive or osteoinductive]) in a biologically unfavorable environment (local osteoporosis). MATERIALS AND METHODS: Three prototypes of a novel experimental implant with different chamber sizes (small, medium, and large) were compared with each other to find out the minimum size of bone chambers needed to allow a discriminative quantification of osseointegration over time...
September 2018: International Journal of Oral & Maxillofacial Implants
Peng Li, HuiCong Zhu, DaHong Huang
PURPOSE: Demineralized dentin matrix (DDM) from the patient's own extracted healthy tooth can be recycled as an autogenous biomaterial for reconstructive dentistry. The aim of the present study was to evaluate the clinical efficacy of autogenous DDM versus Bio-Oss granules in guided bone regeneration (GBR) for immediate implantation in periodontal postextraction sites. MATERIALS AND METHODS: From November 2015 to March 2017, patients referred to the Foshan Stomatology Hospital, who had been diagnosed with severe periodontitis of the posterior mandibular tooth and agreed to dental implant treatment, were consecutively included...
September 19, 2018: Clinical Implant Dentistry and related Research
Abdulaziz Alarifi, Ahmad Ali AlZubi
Implant treatment is one of the most important surgical processes in teeth which reduces the difficulties in teeth by providing the interface between bone and jaw. The established implant treatment used to support the denture, bridge and teeth crown. Even though it supports many dental related activities, the successive measure of implant treatment is fail to manage because it fully depends on the patient's personal activities and health condition of mouth tissues. So, the successive rate of implant treatment process is identified by applying the memetic search optimization along with Genetic scale recurrent neural network method...
September 17, 2018: Journal of Medical Systems
Mai Ohkubo, Takayuki Ueda, Hiroki Sugito, Akira Watanabe, Fumi Seshima, Toshiyuki Morioka, Yasutomo Yajima
A working group established at Tokyo Dental College Suidobashi Hospital considered how to manage patients experiencing difficulties with food intake during the process of dental treatment. This resulted in the opening of an in-hospital booth dedicated to providing advice on such problems. A survey was performed to determine the number of patients utilizing this facility and the department which they were attending with the aim of investigating factors involved in eating-related problems. The results revealed that patients were being referred to the booth from the departments of dental prosthetics, conservative dentistry, oral and maxillofacial surgery (by both dentists and dietitians), oral implantation, and orthodontics...
2018: Bulletin of Tokyo Dental College
Gentaro Mori, Takafumi Kobayashi, Taichi Ito, Yasutomo Yajima
Sjögren's syndrome (SS), an autoimmune disorder, affects the exocrine glands, including the lacrimal and salivary glands. It is characterized by symptoms of dry eye and dry mouth. As secretion of saliva decreases, patients with SS experience rampant caries, pain in the oral mucosa, inflammation and hardening of the salivary glands, abnormal taste, dysphagia, and loss of teeth earlier than healthy individuals. A removable partial denture is often used as a prosthesis after tooth loss. Compromised salivary lubrication, however, can produce traumatic ulceration of the mucosa, making use of a removable prosthesis in SS patients painful...
2018: Bulletin of Tokyo Dental College
Xiaojie Li, Wenli Xue, Yong Cao, Yanming Long, Mengsheng Xie
BACKGROUND: Lycopene prevents bone loss in osteopenic models. However, the role of lycopene in the success rate of dental implants under osteopenic conditions remains unknown. The aim of this study was to evaluate whether lycopene prevents delayed implant osseointegration in an ovariectomized (OVX) rat model. METHODS: Thirty female Sprague-Dawley rats were randomly divided into the following groups: OVX with vehicle (OVX group), OVX with lycopene (OVX + lycopene group) and sham-operated with vehicle (sham group)...
September 17, 2018: Journal of Orthopaedic Surgery and Research
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