Algirdas Puisys

Algirdas Puisys
Vilnius Implantology Center, Vilnius Research Group

DDS, PhD

About

52
Publications
43,078
Reads
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1,969
Citations
Introduction
Education
January 2010 - April 2016
Vilnius University
Field of study
September 2003 - June 2006
Lithuanian University of Health Sciences
Field of study
  • Periodontology
September 1997 - June 2002
Vilnius University
Field of study
  • Dentistry

Publications

Publications (52)
Article
Objectives: To assess the impact of implant placement and temporization timing on esthetic outcomes of single maxillary anterior implants with intact bone walls and interproximal bone. Materials and methods: Test group patients received an immediate implant with immediate provisional restoration and socket preservation, while patients in the con...
Article
Background: The use of connective tissue graft (CTG) with immediate implant placement and provisionalisation have shown promising results. It is not clear if the same outcome could be achieved using porcine-derived collagen matrix (PDCM) as grafting material. Objectives: This study aimed to assess the esthetic and functional outcomes of immediat...
Article
Full-text available
Objectives To assess the osseointegration and crestal bone level maintenance of a novel fully tapered self-cutting tissue-level implant for immediate placement (test) compared to a clinically established tissue-level implant (control) in moderate bone quality. Materials and methods Test and control implants were compared in 3 groups, i.e., small-,...
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Objectives It was shown, that Connective Tissue Grafts (CTG) retrieved from the tuberosity tends to determine hyperplastic responses and may induce a beneficial over-keratinization of non-keratinized mucosa. Clinically evaluate and compare CTG from tuberosity ability to increase soft tissue thickness and the keratinization potential after recipient...
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The mesenchymal stem cell (MSC) secretome has been considered an innovative therapeutic biological approach, able to modulate cellular crosstalk and functionality for enhanced tissue repair and regeneration. This study aims to evaluate the functionality of the secretome isolated from periosteum-derived MSCs, from either basal or osteogenic-induced...
Article
This case control study measured early crestal bone changes around subcrestally placed platform-switched implants surrounded by thin soft tissue and compared them with regular, matching-platform implants placed in a supracrestal position and surrounded by thick soft tissue. Sixty-six patients received two-piece internal hex dental implants. Control...
Article
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A particular technique can increase the mucosal and peri‐implant bone thickness, prevent compression around implant neck, and obtain proper space for the following prosthetic treatment with an adequate emergence profile.
Article
Purpose: To assess excess cement removal after cementation of implant-supported cementretained restorations using different cements. Materials and methods: A model with soft tissue imitation, 20 individual zirconium oxide abutments, and 20 zirconium oxide crowns were fabricated. Half of the restorations were cemented using resin cement (RX) and...
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Objectives The purpose of this study was to evaluate crestal bone stability around sloped implants using the flapless procedure and compare it with conventional implants placed axially. Materials and methods A total of 40 bone‐level implants with platform switching were used for this study for 10 patients (4 males and 6 females) in edentulous mand...
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Objectives: To compare selected anatomical and treatment-related diagnostic parameters estimated by cone-beam computed tomography and by digital periapical radiography in teeth with apical periodontitis, and to evaluate reliability of different examiners in interpretation of images obtained by both methods. Material and Methods: Teeth with apical...
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Objectives Hydrophilic implant surfaces promote faster osseointegration of dental implants with a higher bone-implant contact (BIC) rate. Animal and in vitro studies proved that ultraviolet (UV) irradiation of titanium implants regains hydrophilicity. Clinical impact is still unclear. The objective of this RCT was to assess the removal torque (RT)...
Article
Purpose Aims of the study were: (a) to register crestal bone loss around 1.5 mm subcrestally placed implants and epicrestally placed implants with soft tissue tenting technique, (b) to record bone remodeling in subcrestal group, and (c) to determine the increase of vertical soft tissues after tenting. Materials and methods Thirty‐two patients with...
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Bone remineralization around dental implants might be possible after early crestal bone loss. Bone remineralization around dental implants might be possible after early crestal bone loss.
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The aim of this case report is to show that bone remineralization around dental implants with a history of peri-implantitis is possible after irritant factors are removed and only conservative treatment is performed. Patient came to the clinic after three years of dental implant placement complaining about swelling, sensitivity and gingiva color ch...
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Introduction: The task of Group II was to review and update the existing data concerning extraction socket preservation with or without membranes and soft tissue influence on post-extraction alveolar ridge preservation; extraction socket preservation using different biomaterials as bone grafts, growth factors, and stem cells. Special interest was p...
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Objectives: The purpose of this systematic review was to assess quantitatively and qualitatively the influence of two different factors: membranes and soft tissue graft influence for the extraction socket preservation. Material and Methods: A wide-ranging electronic search was performed in six databases up to 30 of November 2018 in order to identi...
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Stability of crestal bone around dental implants is a major concern for oral surgeons and dentists. It is a key factor for success of dental implant treatment. Crestal bone is more prevented from resorption when surrounding tissues are thicker. Aim of the study – to find out the mean of crestal bone loss around supracrestally placed dental implants...
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This case series aimed to clinically and histologically evaluate porcine-derived membrane used for vertical thickening of thin soft tissues. Twenty porcine-derived collagen membranes and bone-level implants were placed in 20 patients. After 2 months, thickened soft tissues were measured and biopsy samples were harvested. All xenografts healed succe...
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One of the choices to rehabilitate dental implant in aesthetic zone can be cement-screw-retained restoration, usually referred as hybrid prosthesis. It combines some features from cemented and screwed way of restoring implants. The system consists of the crown with palatinal opening, which is cemented to special retentive metal base on the working...
Article
Soft tissue augmentation is a well-established procedure employed in a diverse range of applications such as soft tissue thickening, keratinized tissue augmentation, improvement of the esthetics of existing dental implants and teeth, and crestal bone preservation around implants. This case report describes a technique for the augmentation of vertic...
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Objective To evaluate how vertical mucosal tissue thickness affects crestal bone stability around triangular‐shaped bone‐level implants, restored with low profile titanium bases and monolithic lithium disilicate restorations. Material and methods Fifty‐five bone‐level implants of 4.3 mm diameter were evaluated in 55 patients (22 males and 34 femal...
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Aesthetic implant restoration in the anterior maxilla is a challenge for clinicians. Alveolar ridge and surrounding gingiva deficiencies aggravates implant placement in the aesthetic area. This case report describes a technique for aesthetic single implant placement with simultaneous bone grafting and soft tissue thickening. At the time of implant...
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Objectives To systematically review risks of mechanical impact on peri-implant strain and prosthetic influence on stability across finite element studies. Material and Methods An online literature search was performed on MEDLINE and EMBASE databases published between 2011 and 2016. Following keywords tiered screening and selection of the title, ab...
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Introduction: The task of Group 1 was to review and update the existing data concerning aetiology, risk factors and pathogenesis of peri-implantitis. Previous history of periodontitis, poor oral hygiene, smoking and presence of general diseases have been considered among the aetiological risk factors for the onset of peri-implant pathologies, while...
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Objective To compare how laser-microtextured implants and implants with platform switching maintain crestal bone stability in thin peri-implant tissues.Material and methodsThirty laser-microtextured implants of 4.6 mm diameter (Tapered Internal Laser-Lok, BioHorizons, Birmingham, AL, USA; Group 1) and 30 implants with platform switching of 5/4 mm d...
Article
Objective To evaluate the efficiency of acellular dermal matrix membrane to augment vertical peri-implant soft tissue thickness during submerged implant placement.Material and methodsForty acellular dermal matrix-derived allogenic membranes (AlloDerm, BioHorizons, Birmingham, AL, USA) and 42 laser-modified surface internal hex implants (BioHorizons...
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Numerous studies have shown the superiority of platform-switched implants in preserving crestal bone as compared with platform-matched implants. However, the influence of initial soft tissue thickness on development of crestal bone loss has not been addressed in previous studies; thus, further research is needed. To evaluate crestal bone levels aro...
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To evaluate how bone-level implants maintain crestal bone stability after thickening of thin mucosal tissues with allogenic membrane. Ninety-seven bone-level implants of 4.1 mm diameter (Institute Straumann AG, Switzerland) were evaluated in 97 patients (28 men and 69 women, mean age 47.3 ± 1.2 years). According to vertical gingival thickness, pati...
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The depth of the cementation margin has an influence on the amount of cement remnants around implants. However, the role of other clinical factors is still not clarified. The aim of the study was to evaluate the correlation between undetected cement and (i) location of the implant, (ii) implant diameter, and (iii) undercut. Sixty-five patients were...
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It has been shown that thin mucosal tissues may be an important factor in crestal bone loss etiology. Thus, it is possible that mucosal tissue thickening with allogenic membrane might reduce crestal bone loss. The purpose of this study was to evaluate how implants with traditional connection maintain crestal bone level after soft tissue thickening...
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Subgingival positioning of a single dental implant may result in a less stable impression coping in a polymerized impression material. The purpose of this study was to evaluate the influence of a single dental implant placement depth and different impression materials on the stability of an open tray impression coping. Six polyvinyl chloride-based...
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Objectives The purpose of this study was to determine the relationship between patients with a history of periodontitis and development of cement-related peri-implant disease. Materials and methodsSeventy-seven patients with 129 implants for this retrospective analysis were selected from completed implant cases that were scheduled for regular maint...
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To evaluate the amount of undetected cement after cementation and cleaning of implant-supported restorations. Fifty three patients were treated with 53 single implant-supported metal-ceramic restorations. The subgingival location of the margin of each implant was measured with a periodontal probe mesially, distally, buccaly, and lingually, resultin...
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The aim of this study was to estimate the average disintegration temperature of three dental cements used for the cementation of the implant-supported prostheses. One hundred and twenty metal frameworks were fabricated and cemented on the prosthetic abutments with different dental cements. After heat treatment in the dental furnace, the samples wer...
Data
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SCIENTIFIC ARTICLES SUMMARY The aim of this study was to estimate the average disintegration temperature of three dental cements used for the cementation of the implant-supported prostheses. One hundred and twenty metal frameworks were fabricated and cemented on the prosthetic abutments with different dental cements. After heat treatment in the den...
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Full-text available
The aim of this study was to evaluate the amount of the residual cement excess after cementation and cleaning of implant-supported restorations with various positions of the margins. Twenty-five casts with embedded implant analogs and flexible soft-tissue imitation were used in the study. Individual abutments with different position of the margin -...
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The aim of this pilot study was to determine what effect thin mucosal tissues can have on crestal bone stability around implants with platform switching. Twelve 2-piece implants, consisting of 6 implants with horizontally matching implant-abutment connection (control) and 6 implants with platform switching (test) were placed in 4 patients. The mean...
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The aim of this clinical trial was to evaluate the influence of gingival tissue thickness on crestal bone loss around dental implants after a 1-year follow-up. Forty-six implants (23 test and 23 control) were placed in 19 patients. The test implants were placed about 2 mm supracrestally, whereas the control implants were positioned at the bone leve...
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The aim of this paper was to distinguish what kind of mucosal tissue, measured at the top of the crest can be referred to as thin, medium or thick and its influence on crestal bone loss around dental implants after a 1-year follow-up. Totally 64 implants were evaluated in 26 patients. 32 implants (test group) were placed about 2 mm supracrestally a...
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To evaluate the impact of surgical-orthodontic treatment and the initial vertical and mesiodistal position of palatally impacted maxillary canines on the periodontal health of impacted canines and adjacent teeth. The study group consisted of 32 patients with unilateral palatally impacted maxillary canines. The initial position of the impacted canin...
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The aims of the presented study were to define the fracture rate of implant-supported metal-ceramic restorations delivered in private practice, and to identify if a restoration's contact during eccentric mandible movements has any influence on ceramic fracture rates. Material and Within the period from 2005 to 2008, 251 patients, namely 105 men (42...

Projects

Projects (2)
Project
1. To develop a proper treatment modality for periimplantitis 2. To develop a valid treatment tree to decide whether treatment or explantation makes sense
Project
To develop clinical methods, which create and maintain crestal bone stability around dental implants