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Kottmann L, Franzen R, Conrads G, Wolfart S, Marotti J. Effect of Er,Cr:YSGG laser with a side-firing tip on decontamination of titanium disc surface: an in vitro and in vivo study. Int J Implant Dent 2023; 9:7. [PMID: 37067627 PMCID: PMC10110821 DOI: 10.1186/s40729-023-00469-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/31/2023] [Indexed: 04/18/2023] Open
Abstract
PURPOSE To evaluate the effectiveness of an erbium, chromium:yttrium-scandium-gallium-garnet (Er,Cr:YSGG) laser with side-firing tip in decontamination of titanium (Ti) disc. METHODS In the first test series, 29 Ti-discs were contaminated with Staphylococcus aureus and treated as follows: positive control (no treatment); Perioflow; Laser A (0.75 W, 100 Hz), Laser B (1.5 W, 30 Hz); Laser C (no radiation, 60% water); and Laser D (no radiation, 50% water). For bacterial quantification, colony forming units (CFU, vital cells only) and quantitative PCR (qPCR, vital and devital cells) were performed. In a second test series, 92 Ti-discs were used, contaminated with in vivo-grown biofilm and treated as follows: positive control (no treatment); Perioflow; Laser E (1.5 W, 30 Hz), and Laser F (no radiation, 50% water). Considering the different and unknown culture conditions, quantification of bacteria was performed by broad-spectrum bacterial qPCR only. Based on the assumption that all cells of an organism contain an equivalent complement of genetic information, genome equivalent (GE) determination ensured the detection of the different intact and semi-intact genomes, regardless of type of bacterial species and vitality, circumvent the inherent bias of cultures. RESULTS The GE values were significantly reduced by all interventions in both test series, compared to the positive control group (p < 0.001). In the first test series with S. aureus as model organism, Perioflow yielded a lower GE than the Laser groups A-D (all p < 0.025). The number of CFUs was significantly reduced in the intervention groups compared to the positive control (p < 0.001), except for Laser A (p = 0.157) and Laser D (p = 0.393). In the second test series, none of the pairwise comparisons of the intervention conditions showed a significant difference (Perioflow vs. Laser E: p = 0.732; Perioflow vs. Laser F: p = 0.590; Laser E vs. Laser F: p = 0.379). CONCLUSION The Er,Cr:YSGG laser with side-firing tip and Perioflow were equally capable of effectively decontaminating a Ti-disc surface. It is assumed that the bacterial reduction was largely due to the mechanical effect of the air and water stream.
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Affiliation(s)
- Lucia Kottmann
- Department of Prosthodontics and Biomaterials, Centre for Implantology, Medical Faculty, RWTH Aachen University, Aachen, NRW, Germany
| | - Rene Franzen
- AALZ Aachen Dental Laser Center, Aachen, NRW, Germany
- Department of Operative Dentistry, Periodontology and Preventive Dentistry, Medical Faculty, RWTH Aachen University, Aachen, NRW, Germany
| | - Georg Conrads
- Department of Operative Dentistry, Periodontology and Preventive Dentistry, Medical Faculty, RWTH Aachen University, Aachen, NRW, Germany
- Division of Oral Microbiology and Immunology, Department of Operative Dentistry, Periodontology and Preventive Dentistry, Medical Faculty, RWTH Aachen University, Aachen, NRW, Germany
| | - Stefan Wolfart
- Department of Prosthodontics and Biomaterials, Centre for Implantology, Medical Faculty, RWTH Aachen University, Aachen, NRW, Germany
| | - Juliana Marotti
- Department of Prosthodontics and Biomaterials, Centre for Implantology, Medical Faculty, RWTH Aachen University, Aachen, NRW, Germany.
- Department of Reconstructive Dentistry, University Center for Dental Medicine UZB, University of Basel, Mattenstrasse 40, 4058, Basel, Basel-Stadt, Switzerland.
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Noelken R, Westphal L, Schiegnitz E, Al-Nawas B. Hard and soft tissue regeneration of severe peri-implantitis defects with the laser-assisted peri-implant defect regeneration technique: 3-year results. Int J Implant Dent 2023; 9:3. [PMID: 36739596 PMCID: PMC9899875 DOI: 10.1186/s40729-023-00467-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 01/22/2023] [Indexed: 02/06/2023] Open
Abstract
PURPOSE This retrospective cohort study evaluates the regeneration of severe peri-implantitis deficiencies treated with the laser-assisted peri-implant defect regeneration (LAPIDER) approach within a 3-year follow-up. METHODS Twenty-four implants with severe peri-implantitis in 18 patients were treated according to the LAPIDER technique. In contrast to classic techniques for reconstructive peri-implantitis surgery with a marginal incision, a buccal split-flap preparation avoiding papillae separation was used. After a coronal flap elevation and a laser-assisted peri-implant defect cleaning, connective tissue and autogenous bone grafting was performed. Primary outcomes were the changes of the marginal bone levels (MBL) and the buccal bone thickness. Secondary outcomes included implant survival, peri-implant probing depths (PPD), bleeding on probing (BOP), recession, width of keratinized mucosa (KMW), thickness of keratinized mucosa (KMT), soft tissue esthetics (PES), and implant success. RESULTS MBL improved interproximal by 3.10 ± 2.02 mm (p < 0.001), buccal by 3.49 ± 2.89 mm (p < 0.001), and lingual by 1.46 ± 1.98 mm (p = 0.003); buccal bone thickness by 0.55 ± 0.60 mm (p = 0.005), and 1.01 ± 1.25 mm (p = 0.001) at 1 and 3 mm below reference level. Two implants were removed; 22 implants were still in function at a mean follow-up of 36 months. PPD changed from 5.05 ± 1.39 to 3.08 ± 0.71 mm (p < 0.001); recession was reduced from 2.07 ± 1.70 to 0.91 ± 1.13 mm (p = 0.001); KMW increased from 2.91 ± 1.81 to 4.18 ± 1.67 mm (p = 0.006); KMT improved from 1.73 ± 0.50 to 2.44 ± 0.43 mm (p < 0.001); PES changed from 7.7 ± 2.8 to 10.7 ± 1.9 (p < 0.001). 45.8% to 54.2% of the implants met the criteria of implant success. CONCLUSIONS The favorable results document the proof of principle for the regeneration of severe peri-implant hard and soft tissue deficiencies by the LAPIDER treatment approach.
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Affiliation(s)
- Robert Noelken
- Private Practice for Oral Surgery, Paradiesplatz 7-13, 88131, Lindau, Lake Constance, Germany. .,Department of Oral and Maxillofacial Surgery, University Medical Center, Johannes Gutenberg University of Mainz, Augustusplatz 2, 55131, Mainz, Germany.
| | | | - Eik Schiegnitz
- grid.410607.4Department of Oral and Maxillofacial Surgery, University Medical Center, Johannes Gutenberg University of Mainz, Augustusplatz 2, 55131 Mainz, Germany
| | - Bilal Al-Nawas
- grid.410607.4Department of Oral and Maxillofacial Surgery, University Medical Center, Johannes Gutenberg University of Mainz, Augustusplatz 2, 55131 Mainz, Germany
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Montero E, Roccuzzo A, Molina A, Monje A, Herrera D, Roccuzzo M. Minimal invasiveness in the reconstructive treatment of peri-implantitis defects. Periodontol 2000 2022; 91:199-216. [PMID: 35899987 DOI: 10.1111/prd.12460] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/30/2022] [Accepted: 06/05/2022] [Indexed: 11/30/2022]
Abstract
Peri-implantitis is a plaque-associated pathologic condition occurring in tissues around dental implants, clinically characterized by increased peri-implant probing pocket depth and progressive loss of supporting bone. Consequently, to arrest further disease progression and to increase the chance to obtain re-osseointegration, surgical reconstructive procedures have been adopted. In particular, following a paradigm gathered from periodontal therapy, recent protocols have underlined the importance of a minimally invasive approach to optimize the outcomes of therapy while minimizing the risks of postoperative complications. The present review summarizes the level of evidence on the surgical reconstructive protocols focusing on the new approaches aiming to minimize surgical trauma and patients' postoperative discomfort, underlining the pros and cons of each treatment modality.
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Affiliation(s)
- Eduardo Montero
- ETEP (Etiology and Therapy of Periodontal and Peri-Implant Diseases) Research Group, University Complutense, Madrid, Spain
| | - Andrea Roccuzzo
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland.,Department of Oral and Maxillofacial Surgery, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark
| | - Ana Molina
- ETEP (Etiology and Therapy of Periodontal and Peri-Implant Diseases) Research Group, University Complutense, Madrid, Spain
| | - Alberto Monje
- Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain.,Department of Periodontics and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - David Herrera
- ETEP (Etiology and Therapy of Periodontal and Peri-Implant Diseases) Research Group, University Complutense, Madrid, Spain
| | - Mario Roccuzzo
- Department of Periodontics and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA.,Division of Maxillofacial Surgery, University of Torino, Torino, Italy
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