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Clinical Implant Dentistry and related Research

Xixi Wu, Khadijeh Al-Abedalla, Samer Abi-Nader, Nach G Daniel, Belinda Nicolau, Faleh Tamimi
Proton pump inhibitors (PPIs) have a negative impact on bone accrual. Because osseointegration is influenced by bone metabolism, this study investigates the association between PPIs and the risk of osseointegrated implant failure. This retrospective cohort study included a total of 1,773 osseointegrated dental implants in 799 patients (133 implants in 58 PPIs users and 1,640 in 741 non-users) who were treated at the East Coast Oral Surgery Clinic in Moncton, Canada, from January 2007 to September 2015. Kaplan-Meier estimator was used to describe the hazard function of dental implant failure by PPIs usage...
October 20, 2016: Clinical Implant Dentistry and related Research
Armando Lopes, Paulo Maló, Miguel de Araújo Nobre, Elena Sánchez-Fernández, Inês Gravito
BACKGROUND: There is a necessity of studies documenting the long-term outcome of full-arch flapless rehabilitations. PURPOSE: To evaluate the 7 years implant and prosthesis survival rate and 5-years marginal bone loss of full-arch fixed prosthetic rehabilitations supported by implants in immediate function with the All-on-4(®) treatment concept using a computer guided surgical protocol (NobelGuide(®) , Nobel Biocare). MATERIALS AND METHODS: This retrospective clinical study included 111 edentulous patients (n = 53 bruxers; n = 21 smokers; n = 59 systemically compromised), rehabilitated between February 2005 and November 2010 with 532 implants with the All-on-4(®) treatment concept using NobelGuide(®) ...
October 18, 2016: Clinical Implant Dentistry and related Research
Berceste Guler, Ahu Uraz, Mehmet Yalım, Suleyman Bozkaya
BACKGROUND: Regarding the current approach, there is no evidence to show which treatment technique is the most accurate and useful in peri-implant defects. PURPOSE: The aim of this study is comparing the effect of porous titanium granule (PTG) with rotary titanium brush and the use of xenograft and collagen membrane in the treatment of intra-bony peri-implant defects. MATERIALS AND METHODS: Twenty-two patients, suffering peri-implantitis defects were included this study...
October 5, 2016: Clinical Implant Dentistry and related Research
Roberto Crespi, Paolo Capparè, Giovanni Crespi, Giorgio Gastaldi, Enrico F Gherlone
BACKGROUND: The aim of the present study was to assess bone volume changes in maxillary molar regions after delayed implants placement. MATERIALS AND METHODS: Patients presented large bone defects after tooth extractions. Reactive soft tissue was left into the defects. No grafts were used. Cone beam computed tomography (CBCT) scans were performed before tooth extractions, at implant placement (at 3 months from extraction) and 3 years after implant placement, bone volume measurements were assessed...
September 30, 2016: Clinical Implant Dentistry and related Research
Hsiang-Hsi Hong, Adrienne Hong, Lan-Yan Yang, Wei-Yang Chang, Yi-Fang Huang, Yen-Ting Lin
BACKGROUND: Clinical conclusions in studying the stability and osseointegration of mandibular implants positioned using the bone expansion techniques are conflicting and limited. PURPOSE: The objective was to examine the implant stability quotient (ISQ) values of mandibular posterior dental implants with 4.1 mm diameter that inserted with osteotome bone expansion technique versus conventional drilling technique during a 12-week observation period. MATERIALS AND METHODS: Twenty-four implants with 4...
September 25, 2016: Clinical Implant Dentistry and related Research
Yosuke Akiba, Kaori Eguchi, Nami Akiba, Katsumi Uoshima
PURPOSE: Zirconia is a good candidate material in the dental field. In this study, we evaluated biological responses against a zirconia drill using a bone cavity healing model. MATERIALS AND METHODS: Zirconia drills, stainless steel drills, and the drilled bone surface were observed by scanning electron microscopy (SEM), before and after cavity preparation. For the bone cavity healing model, the upper first and second molars of Wistar rats were extracted. After 4 weeks, cavities were prepared with zirconia drills on the left side...
September 22, 2016: Clinical Implant Dentistry and related Research
Agurne Uribarri, Eneritz Bilbao, Xabier Marichalar-Mendia, Rafael Martínez-Conde, José M Aguirre, Fernando Verdugo
BACKGROUND: Susceptible individuals may be more prone to bone loss after augmentation procedures. PURPOSE: Identify plausible clinical and biological factors influencing apical and marginal bone remodeling at implants placed in augmented sinuses, in patients with and without history of periodontitis. MATERIALS AND METHODS: This prospective cross-sectional clinical study analyzed implant bone levels in a group of 104 patients with and without history of periodontitis undergoing 139 sinus augmentation procedures...
September 15, 2016: Clinical Implant Dentistry and related Research
Silvio Mario Meloni, Marco Tallarico, Milena Pisano, Erta Xhanari, Luigi Canullo
BACKGROUND: High primary implant stability is considered one of the main factors necessary for achieving predictable treatment outcomes with immediately loaded implant-supported screw-retained fixed complete denture prosthesis (FCDP). PURPOSE: To evaluate the 5-year clinical and radiographic outcomes of immediately loaded implants placed in edentulous patients using computer-assisted template-guided surgery to support a FCDP. MATERIALS & METHODS: Patients in need to be restored with a FCDP in the mandible or maxilla were included in this prospective study/ and treated using computer-assisted template-guided surgery...
September 15, 2016: Clinical Implant Dentistry and related Research
Daniel Deluiz, Luciano Santos Oliveira, Fábio Ramôa Pires, Teresita Reiner, Luciana Armada, Marcus A Nunes, Eduardo Muniz Barretto Tinoco
BACKGROUND: Severe alveolar atrophy often presents a challenge for the implant surgery. The significant lack of bone in the alveolar ridges may compromise the final restorations both from the aesthetic and functional standpoints. OBJECTIVES: To evaluate the behavior of bone block allografts for the maxillary augmentation and to investigate its incorporation, remodeling, and implant survival rates in two different healing time points. MATERIAL AND METHODS: Sixty-six consecutive patients (52 female/14 male, mean age: 57...
September 8, 2016: Clinical Implant Dentistry and related Research
Xi Jiang, Yu Zhang, Bo Chen, Ye Lin
BACKGROUND: Extraction socket remodeling and ridge preservation strategies have been extensively explored. PURPOSE: To evaluate the efficacy of applying a micro-titanium stent as a pressure bearing device on extraction socket remodeling of maxillary anterior tooth. MATERIALS AND METHODS: Twenty-four patients with a extraction socket of maxillary incisor were treated with spontaneous healing (control group) or by applying a micro-titanium stent as a facial pressure bearing device over the facial bone wall (test group)...
August 18, 2016: Clinical Implant Dentistry and related Research
Ulf Schepke, Henny J A Meijer, Wouter Kerdijk, Gerry M Raghoebar, Marco Cune
BACKGROUND: Single-tooth replacement often requires a prefabricated dental implant and a customized crown. The benefits of individualization of the abutment remain unclear. PURPOSE: This randomized controlled clinical trial aims to study potential benefits of individualization of zirconia implant abutments with respect to preservation of marginal bone level and several clinical and patient-based outcome measures. MATERIAL AND METHODS: Fifty participants with a missing premolar were included and randomly assigned to standard (ZirDesign, DentsplySirona Implants, Mölndal, Sweden) or computer aided design/computer aided manufacturing (CAD/CAM) customized (Atlantis, DentsplySirona Implants, Mölndal, Sweden) zirconia abutment therapy...
July 31, 2016: Clinical Implant Dentistry and related Research
Vivianne Chappuis, Yeliz Cavusoglu, Daniel Buser, Thomas von Arx
BACKGROUND: The use of autogenous block grafts harvested from intraoral donor sites has proven to be effective for the reconstruction of horizontal bone defects. PURPOSE: The objective of this study was to analyze implant success and the rate of block graft resorption 10 years after ridge augmentation to elucidate contributing factors influencing graft maintenance. MATERIALS AND METHODS: A staged horizontal block graft augmentation was performed in 52 implant sites exhibiting severe horizontal bone atrophy using autogenous block grafts protected by DBBM and collagen membranes...
July 31, 2016: Clinical Implant Dentistry and related Research
Luigi Canullo, Giovanni Wiel Marin, Marco Tallarico, Elena Canciani, Federica Musto, Claudia Dellavia
BACKGROUND: Tooth extraction generally results in an alveolar bone loss and structural changes in the overlying soft tissue. The amount of this relocation might jeopardize prosthetically driven implant placement. Thus, there is a high interest in techniques, materials and timing to minimizing tissue resorption, using postextraction ridge preservation procedures. PURPOSE: To assess by histological techniques, the outcomes of a socket preservation technique at 4 or 12 months after treatment with a magnesium-enriched hydroxyapatite (Mg-e HA)...
October 2016: Clinical Implant Dentistry and related Research
Eduardo Anitua, Javier Flores, Mohammad Hamdan Alkhraisat
BACKGROUND: No evidence has been reported yet about dimensional changes in maxillary sinuses grafted with autologous platelet concentrate. PURPOSE: This study aimed to analyze the augmented height alterations around short implants (length ≤ 8.5 mm) placed after transcrestal sinus lift surgery in association with plasma rich in growth factors. MATERIALS AND METHODS: A retrospective design was used. Patients with atrophic posterior maxilla were treated by inserting short implants in combination with transalveolar maxillary sinus floor augmentation...
October 2016: Clinical Implant Dentistry and related Research
Christopher Riben, Andreas Thor
BACKGROUND: There is a limited amount of studies evaluating long-term results of the sinus membrane elevation technique for bone formation around implants in the maxillary sinus floor without the use of bone graft material. PURPOSE: To investigate the long-term results of this technique with regard to implant survival and bone gain in the maxillary sinus floor. MATERIALS AND METHODS: A retrospective study was conducted on patients who had undergone the surgical procedure from November 2001 to August 2008...
October 2016: Clinical Implant Dentistry and related Research
Ulf Schepke, Henny Ja Meijer, Karin M Vermeulen, Gerry M Raghoebar, Marco S Cune
BACKGROUND: New dental materials are introduced and promoted in the field without extensive clinical testing. Using those materials in a clinical setting might result in unacceptable early failure rates. PURPOSE: The purpose of this paper was to analyze bonding of a new dental restorative material to either zirconia stock abutments or zirconia customized abutments. MATERIALS AND METHODS: Fifty participants seeking single implant treatment were included in a prospective study...
October 2016: Clinical Implant Dentistry and related Research
Marco Tallarico, Silvio Mario Meloni, Luigi Canullo, Martina Caneva, Giovanni Polizzi
PURPOSE: To compare the 5-year clinical and radiological outcomes of patients rehabilitated with four or six implants placed using guided surgery and immediate function concept. MATERIALS AND METHODS: Forty patients randomly received four (All-on-4) or six (All-on-6) immediately loaded implants, placed using guided surgery, to support a cross-arch fixed dental prosthesis. Outcome measures were survival rates of implants and prostheses, complications, peri-implant marginal bone loss, and periodontal parameters...
October 2016: Clinical Implant Dentistry and related Research
Özgür Erdogan, Nuttawut Supachawaroj, Kumpanart Soontornvipart, Pakpoom Kheolamai
BACKGROUND: Mesenchymal stem cell (MSC) treatment in conjunction with bone graft materials or space filler can be an alternative to autogenous bone grafts in the treatment of peri-implant bone defects. PURPOSE: To evaluate the success of bone regeneration capacity of adipose-derived and bone marrow-derived MSCs for the treatment of peri-implant bone defects when applied with a beta-tricalcium phosphate/collagen-based scaffold. MATERIAL AND METHODS: Forty implants were placed into the tibiae of 10 rabbits bilaterally...
October 2016: Clinical Implant Dentistry and related Research
Torsten Jemt, Malin Olsson, Franck Renouard, Victoria Stenport, Bertil Friberg
BACKGROUND: Compared with knowledge on patient and implant component factors, little knowledge is available on surgeons' role in early implant failures. PURPOSE: To report incidence of early implant failures related to total number of operations performed by individual surgeons. MATERIALS AND METHODS: Early implant failures (≤1 year of implant prosthesis function) were reported after a total of 11,074 implant operations at one specialist clinic during 28 years of surgery...
October 2016: Clinical Implant Dentistry and related Research
Anke Korfage, Gerry M Raghoebar, Suzanne Arends, Petra M Meiners, Anita Visser, Frans Gm Kroese, Hendrika Bootsma, Arjan Vissink
BACKGROUND: Limited evidence is available for applying dental implants in Sjögren's syndrome (SS) patients. PURPOSE: This study aims to retrospectively assess clinical outcome of implant therapy in a cohort of well-classified patients with SS. MATERIALS AND METHODS: All SS patients attending the University Medical Center Groningen for follow-up (n = 406) were asked whether they had implants. In SS patients with implants peri-implant health and implant survival was recorded and compared with data from matched healthy controls...
October 2016: Clinical Implant Dentistry and related Research
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