5,370 results match your criteria peri-implant bone

Tricalcium phosphate (-containing) biomaterials in the treatment of periodontal infra-bony defects: A systematic review and meta-analysis.

J Dent 2021 Sep 13:103812. Epub 2021 Sep 13.

Clinic of Conservative and Preventive Dentistry, Division of Periodontology and Peri-implant Diseases, Center of Dental Medicine, University of Zurich, Zurich, Switzerland. Electronic address:

Objectives: This study aimed to investigate the additional clinical benefit of tricalcium phosphate (TCP) (-containing) biomaterials compared to open flap debridement (OFD) in periodontal infrabony defects.

Data: A literature search was conducted in Pubmed, Embase and Cochrane library for entries published up to 14 July 2021. All randomized controlled trials (RCTs) that compared a TCP (-containing) material with OFD and studies that assessed a beta-TCP group alone, with vertical defect sites with PPD of ≥ 6 mm and/or presence of infra-bony defects of ≥ 3 mm and a minimum follow-up of 6 months were included. Read More

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September 2021

One abutment one time vs. repeatable abutment disconnections in implants, restored with cemented / screw retained fixed partial dentures: Marginal bone level changes. A systematic review and meta-analysis.

Stomatologija 2021 ;23(2):35-40

Institute of Odontology, Faculty of Medicine, Vilnius University, Zalgirio str. 115/117, LT- 08217, Vilnius, Lithuania.

Purpose: The aim of this systematic review and meta-analysis is to evaluate the impact of abutment disconnections / reconnections on peri-implant marginal bone loss changes in partially edentulous patients.

Methods: Clinical studies were selected via electronic and hand searches in English language journals until January 1, 2020. Only randomized clinical trials (RCGTs) and prospective controlled clinical trials (CCTs) showing direct comparison between the definitive implant abutments and multiple abutment replacements in the same patient or different patient groups in the partially edentulous patients were considered. Read More

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January 2021

Ultrasonography for noninvasive and real-time evaluation of peri-implant soft and hard tissue: a case series.

Int J Implant Dent 2021 Sep 14;7(1):95. Epub 2021 Sep 14.

Department of Prosthetic Dentistry, School of Dental Medicine, Philipps-University Marburg, Georg-Voigt Str. 3, 35039, Marburg/Lahn, Germany.

Background: The diagnosis of soft and hard tissue at dental implants will be challenging in the future, as high prevalence of mucositis and peri-implantitis were described in the population. Ultrasonography is a promising non-invasive, inexpensive, painless, and radiation-free method for imaging hard and soft tissue at implants, especially an ultrasound device with a 25-MHz probe demonstrating a high correlation between ultrasound, clinical, and radiological measurements.

Case Presentation: The following case series demonstrates the use of ultrasonography with high spatial resolution probe in patients with dental implants affected by soft tissue recession and/or crestal bone loss. Read More

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September 2021

Consequences of Peri-Implant Bone Loss in the Occlusal Load Transfer to the Supporting Bone in terms of Magnitude of Stress, Strain, and Stress Distribution: A Finite Element Analysis.

Biomed Res Int 2021 1;2021:3087071. Epub 2021 Sep 1.

Department of Surgery, Faculty of Medicine, University of Salamanca, Salamanca, Spain.

Methods: Three models of a single internal connection bone level-type implant inserted into a posterior mandible bone section were constructed using a 3D finite element software: one control model without marginal bone loss and two test models, both with a circumferential peri-implant bone defect, one with a 3 mm high defect and the other one 6 mm high. A 150 N static load was tested on the central fossa at 6° relative to the axial axis of the implant.

Results: The results showed differences in the magnitude of strain and stress transferred to the bone between models, being the higher strain found in the trabecular bone around the implant with greater marginal bone loss. Read More

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September 2021

Biocompatibility and Osseointegration of Calcium Phosphate-Coated and Non-Coated Titanium Implants with Various Porosities.

Sovrem Tekhnologii Med 2021 1;13(2):52-57. Epub 2021 Jan 1.

Researcher, Laboratory for Plasma Hybrid Systems, National Research Tomsk Polytechnic University, 30 Prospect Lenina, Tomsk, 634050, Russia.

was to study the influence of pore size and the presence of a biologically active calcium phosphate coating in porous 3D printed titanium implants on the process of integration with the bone tissue.

Materials And Methods: Samples of cylindrical implants with three different pore diameters (100, 200, and 400 μm) were fabricated from titanium powder on the Arcam 3D printer (Sweden) using electron beam melting technology. A calcium phosphate coating with a thickness of 20±4 μm was applied to some of the products by microarc oxidation. Read More

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January 2021

Intra- and Inter-Examiner Repeatability of Diagnostic Peri-implant Clinical Measurement: A Pilot Study.

J Oral Implantol 2021 Sep 9. Epub 2021 Sep 9.

Harvard School of Dental Medicine Post-doctoral Resident and Research Fellow Oral Medicine, Infection, and Immunity 188 Longwood AVE UNITED STATES Boston MA 02215 617-615-7510 University of Michigan School of Dentistry, USA; Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan.

Despite the crucial role of examiner reliability on quality research and practice, there is still limited literature analyzing factors affecting examiner variability of peri-implant clinical measurements. The present study investigated clinical peri-implant parameters to quantify their repeatability and investigate factors that may affect their accuracy. Thirty-three implants were examined by four operators. Read More

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September 2021

Early Bone Healing on Hydroxyapatite-Coated and Chemically-Modified Hydrophilic Implant Surfaces in an Ovine Model.

Int J Mol Sci 2021 Aug 28;22(17). Epub 2021 Aug 28.

Department of Research and Development, Zimmer Biomet Dental, Palm Beach Gardens, FL 33410, USA.

Implant topography affects early peri-implant bone healing by changing the osteoconduction rate in the surrounding biological environment. Implant surfaces have been designed to promote faster and stronger bone formation for rapid and stable prosthesis loading. Early peri-implant bone healing has been observed with a sandblasted, acid-etched implant that was chemically modified to be hydrophilic (cmSLA). Read More

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The role of cortical zone level and prosthetic platform angle in dental implant mechanical response: A 3D finite element analysis.

Dent Mater 2021 Sep 6. Epub 2021 Sep 6.

School of Medical Sciences and Photon Science Institute, University of Manchester, UK.

Objective: The aim of this study was to evaluate the influence of three different dental implant neck geometries, under a combined compressive/shear load using finite element analysis (FEA). The implant neck was positioned in D2 quality bone at the crestal level or 2 mm below.

Methods: One dental implant (4. Read More

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September 2021

Longitudinal Study of Dental Implants in HIV Positive Patients.

J Prosthodont 2021 Sep 8. Epub 2021 Sep 8.

Private Consulting, Birmingham, AL.

Purpose: This study compared the clinical outcome of dental implants and their implant-supported restorations over a three year period involving patients both positive and negative for the human immunodeficiency virus.

Materials And Methods: Twenty patients testing positive for the human immunodeficiency virus were recruited for this study. Twenty-one negative control patients were also selected, for a total of 41 patients. Read More

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September 2021

Do postoperative antibiotics influence one-year peri-implant crestal bone remodelling and morbidity? A double-blinded randomized clinical trial.

Clin Oral Implants Res 2021 Sep 8. Epub 2021 Sep 8.

Department of Oral Health, Faculty of Dental Medicine, Université de Montréal, Montreal, QC, Canada.

Objectives: The primary objective of this study was to assess whether giving postoperative antibiotics to healthy patients after straightforward platform-switched implant placement would influence peri-implant crestal bone levels and postoperative morbidity after 1 year.

Methods: Thirty-eight healthy individuals were recruited in this pilot, randomized, double-blinded, placebo-controlled clinical trial. The intervention group (n = 18) received two grams of amoxicillin one hour before implant placement followed by a 7 days postoperative regimen (500 mg tid). Read More

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September 2021

Programmed core-shell electrospun nanofibers to sequentially regulate osteogenesis-osteoclastogenesis balance for promoting immediate implant osseointegration.

Acta Biomater 2021 Sep 4. Epub 2021 Sep 4.

State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China.. Electronic address:

The biology of immediate post-extraction implant osseointegration is mediated by a coordinated cascade of osteoblast-osteoclast interactions. The aim of this study was to develop a dual-delivery system that allowed sequential release of substance P (SP) to promote bone regeneration and alendronate (ALN) to reduce bone resorption, which will improve the implant osseointegration. We used coaxial electrospinning to fabricate the core-shell poly lactic-co-glycolic acid (PLGA)/gelatin nanofibers, which consists of SP in the shell and ALN in the core. Read More

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September 2021

Annual review of selected scientific literature: A report of the Committee on Scientific Investigation of the American Academy of Restorative Dentistry.

J Prosthet Dent 2021 Sep;126(3):276-359

Associate Professor, Department of Oral and Maxillofacial Surgery, Ludwig-Maximilians University of Munich, Munich, Germany; Private practice, Ansbach, Germany.

The Scientific Investigation Committee of the American Academy of Restorative Dentistry offers this review of the 2020 professional literature in restorative dentistry to inform busy dentists regarding noteworthy scientific and clinical progress over the past year. Each member of the committee brings discipline-specific expertise to this work to cover this broad topic. Specific subject areas addressed include prosthodontics; periodontics, alveolar bone, and peri-implant tissues; implant dentistry; dental materials and therapeutics; occlusion and temporomandibular disorders (TMDs); sleep-related breathing disorders; oral medicine and oral and maxillofacial surgery; and dental caries and cariology. Read More

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September 2021

Cell Wall Biosynthesis Modulates Bone Invasion and Osteomyelitis Pathogenesis.

Front Microbiol 2021 16;12:723498. Epub 2021 Aug 16.

Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, United States.

invasion of the osteocyte lacuno-canalicular network (OLCN) is a novel mechanism of bacterial persistence and immune evasion in chronic osteomyelitis. Previous work highlighted cell wall transpeptidase, penicillin binding protein 4 (PBP4), and surface adhesin, surface protein C (SasC), as critical factors for bacterial deformation and propagation through nanopores , representative of the confined canaliculi . Given these findings, we hypothesized that cell wall synthesis machinery and surface adhesins enable durotaxis- and haptotaxis-guided invasion of the OLCN, respectively. Read More

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One-piece implants: Careful approach for complex rehabilitation.

Natl J Maxillofac Surg 2021 May-Aug;12(2):266-270. Epub 2021 Jul 15.

Department of Periodontology, Faculty of Dental Science, Institute of Medical Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India.

It is understood that one-piece implant design is a stronger concept as there is no connection between implant and abutment. The absence of a microgap can lead to minimal peri-implant bone loss. Furthermore, there is a reduction of mechanical complications such as screw loosening and abutment fractures. Read More

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Implant survival in patients with neuropsychiatric, neurocognitive, and neurodegenerative disorders: A meta-analysis.

Natl J Maxillofac Surg 2021 May-Aug;12(2):162-170. Epub 2021 Jul 15.

Department of Prosthodontics, Faculty of Dental Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India.

Neurologic disorders impede oral hygiene measures and routine clinical follow-up, along with the various drugs used may jeopardise oral health and the peri- implant tissue health. A total of 7 studies were considered eligible for the current systematic review. The overall estimated effect was categorized as significant where < 0. Read More

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Bone remodelling patterns around orthodontic mini-implants migrating in bone: an experimental study in rat vertebrae.

Eur J Orthod 2021 Sep 3. Epub 2021 Sep 3.

Department of Orthodontics, University Clinic of Düsseldorf, Germany.

Background: Orthodontic implant migration has been clinically observed in presence of continuous loading forces. Recent studies indicate that osteocytes play a crucial role in this phenomenon.

Objectives: Aim of this study was to investigate local osteocytic gene expression, protein expression, and bone micro-structure in peri-implant regions of pressure and tension. Read More

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September 2021

Structural characteristics of the bone surrounding dental implants placed into the tail-suspended mice.

Int J Implant Dent 2021 Sep 1;7(1):89. Epub 2021 Sep 1.

Department of Oral and Maxillofacial Implantology, Tokyo Dental College, 2-9-18 Kandamisaki-cho, Chiyoda-ku, Tokyo, 101-0061, Japan.

Background: There are many unclear points regarding local structural characteristics of the bone surrounding the implant reflecting the mechanical environment.

Purpose: The purpose of this study is to quantitatively evaluate bone quality surrounding implants placed into the femurs of mice in an unloading model, and to determine the influence of the mechanical environment on bone quality.

Methods: Twenty 12-week-old male C57BL6/NcL mice (n = 5/group) were used as experimental animals. Read More

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September 2021

Evaluation of immediately loaded mandibular four vertical versus tilted posterior implants supporting fixed detachable restorations without versus with posterior cantilevers.

Oral Maxillofac Surg 2021 Aug 29. Epub 2021 Aug 29.

Oral Medicine and Periodontology, Faculty of Dentistry, Alexandria University, Alexandria, Egypt.

Background: Distally inclining posterior implants may be technically challenging in certain situations. The presence of a posterior cantilever can also exert unfavorable forces on supporting implants. The aim of the present study was to evaluate and compare peri-implant soft and hard tissues around 4 mandibular interforaminal implants having tilted posterior implants with posterior cantilevers, versus vertical implants, 2 in the interforaminal region and 2 in the first molar regions, without posterior cantilevers. Read More

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Local Inflammatory Response after Intramuscularly Implantation of Anti-Adhesive Plasma-Fluorocarbon-Polymer Coated Ti6AI4V Discs in Rats.

Polymers (Basel) 2021 Aug 11;13(16). Epub 2021 Aug 11.

Department of General Surgery, Visceral, Thoracic and Vascular Surgery, University Medical Center Greifswald, 17487 Greifswald, Germany.

Orthopaedic implants and temporary osteosynthesis devices are commonly based on Titanium (Ti). For short-term devices, cell-material contact should be restricted for easy removal after bone healing. This could be achieved with anti-adhesive plasma-fluorocarbon-polymer (PFP) films created by low-temperature plasma processes. Read More

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Influence of Inter-Radicular Septal Bone Quantity in Primary Stability of Immediate Molar Implants with Different Length and Diameter Placed in Mandibular Region. A Cone-Beam Computed Tomography-Based Simulated Implant Study.

J Pharm Bioallied Sci 2021 Jun 5;13(Suppl 1):S484-S491. Epub 2021 Jun 5.

Department of Prosthodontics. College of Dentistry in Alrass, Qassim University, Saudi Arabia.

Aim: The purpose of this study was to investigate the influence of length and width of implant on primary stability in immediate implants in mandibular first molar.

Materials And Methods: The study was carried out on 40 cone-beam computed tomography scans selected with defined inclusion and exclusion criteria. According to the diameter and length of implants, they were divided into nine groups (G1 to G9). Read More

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Comparative Evaluation of Marginal Bone Loss and Implant Failure Rate in Smokers and Nonsmokers.

J Pharm Bioallied Sci 2021 Jun 5;13(Suppl 1):S203-S206. Epub 2021 Jun 5.

Department of Prosthodontics, Patna Dental College and Hospital, Patna, India.

Background: Smoking impose various ill-effects on the alveolar bone concerning dental implants including reduced bone height, delayed healing of bone, poor peri-implant bone formation, increased bone loss, and peri-implantitis.

Aims: The present clinical trial was aimed to analyze the smoking effect on dental implant survival rate as well as marginal bone loss in dental implants.

Materials And Methods: Out of 86 patients, Group I had 43 patients who were smokers and Group II had nonsmokers. Read More

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Influence of osteoporosis and mechanical loading on bone around osseointegrated dental implants: A rodent study.

J Mech Behav Biomed Mater 2021 Nov 10;123:104771. Epub 2021 Aug 10.

Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.

This study aimed to evaluate the influence of estrogen deficiency and mechanical loading on bone around osseointegrated dental implants in a rat jaw model. The maxillary right first molars of 36 rats were extracted. One week later, the rats were divided into an unloaded group and a loaded group; short head implants and long head implants were inserted respectively. Read More

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November 2021

Adjuvant Effect of Titanium Brushes in Peri-Implant Surgical Treatment: A Systematic Review.

Dent J (Basel) 2021 Jul 30;9(8). Epub 2021 Jul 30.

Deparment of Dentistry, Faculty of Medicine and Health Sciences, Universidad Católica de Valencia San Vicente Martir, 46001 Valencia, Spain.

Background: the prognosis of peri-implant surgery can be affected by poor decontamination of the implant surface, which could be improved with the use of titanium brushes. The objectives of this systematic review were to evaluate the effectiveness of titanium brushes in the decontamination of the implant surface in terms of plaque index, probing depth, bleeding on probing and bone loss/gain; as well as its effectiveness according to the type of peri-implant bone defect.

Methods: an electronic search was carried out in the PubMed, Scopus, Cochrane and Embase databases, as well as a manual search. Read More

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The effect of soft tissue augmentation on the clinical and radiographical outcomes following immediate implant placement and provisionalization: a systematic review and meta-analysis.

Int J Implant Dent 2021 Aug 26;7(1):86. Epub 2021 Aug 26.

Division of Oral Surgery and Implantology, Department of Head and Neck, Oral Surgery, and Implantology Unit, Institute of Clinical Dentistry, Fondazione Policlinico Universitario A. Gemelli IRCCS - Università Cattolica del Sacro Cuore, Rome, Italy.

Background: Nowadays, due to the esthetic and social demands of patients, conventional staged protocols seem to be increasingly replaced by faster, one-step protocols. The purpose of the present systematic review is to assess the peri-implant soft tissue changes after immediate implant placement and provisionalization (IIPP) comparing patients treated with or without a sub-epithelial connective tissue graft (SCTG) when replacing a single tooth in the esthetic region.

Methods: The present systematic review was written following the PRISMA checklist. Read More

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Bacteria co-culture adhesion on different texturized zirconia surfaces.

J Mech Behav Biomed Mater 2021 Nov 17;123:104786. Epub 2021 Aug 17.

CMEMS - Center for MicroElectroMechanical Systems, University of Minho, Portugal.

Zirconia is becoming reckoned as a promising solution for different applications, in particular those within the dental implant investigation field. It has been proved to successfully overcome important limitations of the commonly used titanium implants. The adhesion of microorganisms to the implants, in particular of bacteria, may govern the success or the failure of a dental implant, as the accumulation of bacteria on the peri-implant bone may rapidly evolve into periodontitis. Read More

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November 2021

Augmentation stability and early wound healing outcomes of guided bone regeneration in peri-implant dehiscence defects with L- and I-shaped soft block bone substitutes: A clinical and radiographic study.

Clin Oral Implants Res 2021 Aug 23. Epub 2021 Aug 23.

Department of Periodontology, Daejeon Dental Hospital, Institute of Wonkwang Dental Research, Wonkwang University College of Dentistry, Daejeon, Korea.

Objectives: To retrospectively evaluate whether guided bone regeneration (GBR) with L- and I-shaped demineralized bovine bone mineral with 10% collagen (DBBM-C) differs from GBR with DBBM in terms of augmentation stability and early wound healing outcomes in peri-implant dehiscence defects.

Methods: A total of 91 peri-implant defects were grafted with 24 L- (GBR-L), 22 I (GBR-I)-shaped DBBM-C, and 45 DBBM (GBR-P). Cone-beam computed tomography images were obtained after surgery and at 5 months follow-up. Read More

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Bone Ingrowth Around an Uncemented Femoral Implant Using Mechanoregulatory Algorithm: A Multiscale Finite Element Analysis.

J Biomech Eng 2021 Aug 23. Epub 2021 Aug 23.

Department of Mechanical Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721 302, West Bengal, India.

The primary fixation and long-term stability of a cementless femoral implant depend on bone ingrowth within the porous coating. Although attempts were made to quantify the peri-implant bone ingrowth using the finite element (FE) analysis and mechanoregulatory principles, the tissue differentiation patterns on a porous-coated hip stem have scarcely been investigated. The objective of this study is to predict the spatial distribution of evolutionary bone ingrowth around an uncemented hip stem, using a 3D multiscale mechanobiology based numerical framework. Read More

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Effect of customized healing abutments on the peri-implant linear and volumetric tissue changes at maxillary immediate implant sites: A 1-year prospective randomized clinical trial.

Clin Implant Dent Relat Res 2021 Aug 22. Epub 2021 Aug 22.

Faculty of Dental Medicine, Center for Interdisciplinary Research in Health, Universidade Católica Portuguesa, Viseu, Portugal.

Background: Immediate implant placement (IIP) associated with the use of bone substitutes and collagen matrices (CM) seems to reduce the amount of resorption at peri-implant areas. Recently, customized healing abutments (CA) appeared as another solution in order to seal the socket and preserve the original soft tissue contour.

Purpose: To evaluate peri-implant tissues dimensional changes after using customized healing abutments compared with the use of xenogeneic collagen matrices as socket sealing options in flapless maxillary immediate implant placement. Read More

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Implant removal of osteosynthesis. Results of a survey among Spanish orthopaedic surgeons.

Rev Esp Cir Ortop Traumatol 2021 Sep-Oct;65(5):331-339

Servicio de Cirugía Ortopédica y Traumatología, Hospital Universitario Marqués de Valdecilla, Santander, Spain.

Introduction: The indications on extraction of osteosynthesis material (EMO) are not well defined in the current literature deriving in relative indications, depending on experiences, customs or patient's request. The aim of this article is to assess the beliefs, indications, usual practice and perceived complications of surgeons in Spain regarding OME.

Methods: We conducted a questionnaire of 44 questions covering general demographics, general and subjective opinion on implant removal, specific attitudes by implant type and anatomical location, and personal habits. Read More

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The effect of implant-abutment connections on peri-implant bone levels around single implants in the aesthetic zone: A systematic review and a meta-analysis.

Clin Exp Dent Res 2021 Aug 21. Epub 2021 Aug 21.

Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.

Objective: To systematically review literature about the effect of different implant-abutment interface designs on peri-implant bone level changes, implant loss and mid-buccal mucosa changes around single implants in the anterior maxilla. Reviewing three connection configurations: Platform switched conical (PS-conical); Platform switched parallel (PS-parallel); Platform matched parallel (PM-parallel).

Methods: A detailed search was carried out in Pubmed, EMBASE, Cochrane, Scopus, Open Gray and African journals Online (until December 1, 2020) and was restricted to clinical prospective studies of at least 1 year and with at least 10 human participants. Read More

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