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Romero-Serrano M, Romero-Ruiz MM, Herrero-Climent M, Rios-Carrasco B, Gil-Mur J. Correlation between Implant Surface Roughness and Implant Stability: A Systematic Review. Dent J (Basel) 2024; 12:276. [PMID: 39329842 PMCID: PMC11430827 DOI: 10.3390/dj12090276] [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: 07/10/2024] [Revised: 08/07/2024] [Accepted: 08/20/2024] [Indexed: 09/28/2024] Open
Abstract
The aim of this study was to find in the literature data on the relationship between implant surface roughness and implant stability achieved, from the time of placement to three months afterward, to help us to know what type of surface roughness is more favorable to guarantee implant stability and osseointegration. A systematic review was conducted in accordance with the PRISMA 2020 (Preferred Reporting Items for Systematic Review and Meta-analysis) statement, and the protocol was registered on the Open Science Framework. The specific inclusion and exclusion criteria were selected using the PICOS framework. The databases Medline (PubMed), Scopus, the Web of Science and The Cochrane Library were searched up to October 2023. The selection of studies and data extraction were conducted by two independent reviewers. The review included a total of 11 studies. A total of 1331 dental implant placements were identified. Two of the eleven selected studies were on humans in vivo, eight were on animals in vivo, and one was on animals in vitro. A statistically significant correlation between surface roughness and implant stability as measured by resonance frequency analysis (RFA) was not identified in ten of the eleven selected studies. It appears that there is no correlation between primary stability and the degree of implant roughness. However, there appears to be a correlation between the roughness of the implant and the degree of osseointegration, as indicated by bone-implant contact values. This correlation is more closely related to secondary stability. The great methodological variability makes it difficult to compare data and draw conclusions, so it would be desirable to agree on a common methodology to help draw appropriate conclusions from published studies.
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Affiliation(s)
- Marta Romero-Serrano
- Department of Periodontology, School of Dentistry, Universidad de Seville, C/Avicena S/N, 41009 Seville, Spain
| | - Manuel-María Romero-Ruiz
- Department of Periodontology, School of Dentistry, Universidad de Seville, C/Avicena S/N, 41009 Seville, Spain
| | - Mariano Herrero-Climent
- Department of Periodontology, School of Dentistry, Universidad de Seville, C/Avicena S/N, 41009 Seville, Spain
- Porto Dental Institute, Periodontology Department, Symmetrya Prothesis, Av. de Montevideu 810, 4150-518 Porto, Portugal
| | - Blanca Rios-Carrasco
- Department of Periodontology, School of Dentistry, Universidad de Seville, C/Avicena S/N, 41009 Seville, Spain
| | - Javier Gil-Mur
- Bioengineering Institute of Technology, Faculty of Medicine and Health Sciences, Universidad International de Cataluña, C/Josep Trueta s/n, Sant Cugat del Vallés, 08195 Barcelona, Spain
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Ko YC, Koo KT, Li L, Lee D, Lee YM, Seol YJ, Kim TH, Lee J. Clinical evaluation of implants placed within or beyond the boundaries of the alveolar ridge preservation: a retrospective case series with 10 weeks of observations in 28 patients. J Periodontal Implant Sci 2024; 54:54.e19. [PMID: 39058351 DOI: 10.5051/jpis.2400800040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 05/12/2024] [Accepted: 06/18/2024] [Indexed: 07/28/2024] Open
Abstract
PURPOSE This study investigated the effect of implant vertical positioning within alveolar ridge preservation (ARP) sites on implant stability quotient (ISQ) values, which were measured 10 weeks post-implantation. METHODS Patients who underwent ARP using collagenized deproteinized bovine bone mineral, followed by implant placement in the posterior area, were divided into 2 groups: the within-ARP group and the beyond-ARP group. In the within-ARP group, osteotomy and implant placement occurred within the ARP boundary. In contrast, in the beyond-ARP group, these procedures were performed beyond the ARP boundary, incorporating 3 mm of pristine bone at the implant's apex. Bone quality was assessed by tactile sense, and both insertion torque during implant surgery and ISQ values at 10 weeks post-implant surgery were measured. Multiple linear regression analysis and Pearson correlation analysis were used to explore the relationship between insertion torque and ISQ values. RESULTS In total, 30 ARP sites in 28 patients were analyzed. There was no significant difference in bone quality, as determined by tactile sense, between the within-ARP and beyond-ARP groups. At the time of implant placement, the beyond-ARP group exhibited a higher insertion torque (33.33±13.39 Ncm) compared to the within-ARP group (17.08±11.17 Ncm). However, the ISQ values were similar between the 2 groups 10 weeks after implant placement. A positive correlation between insertion torque and ISQ values was confirmed at 10 weeks post-implant. CONCLUSIONS The engagement of pristine bone may facilitate high insertion torque during the placement of implants in ARP sites. Nevertheless, by 10 weeks post-implantation, the ISQ values were found to be comparable, irrespective of the implant's position.
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Affiliation(s)
- Young-Chang Ko
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
| | - Ki-Tae Koo
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
| | - Ling Li
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
| | - Dongseob Lee
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
- National Dental Care Center for Persons with Special Needs, Seoul National University Dental Hospital, Seoul, Korea
| | - Yong-Moo Lee
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
| | - Yang-Jo Seol
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
| | - Tae-Hyung Kim
- Private Practice, Kim & Lee Dental Clinic, Seoul, Korea.
| | - Jungwon Lee
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
- One-Stop Specialty Center, Seoul National University Dental Hospital, Seoul, Korea.
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Menhall A, Lahoud P, Yang KR, Park KB, Razukevicius D, Traini T, Makary C. The Mineral Apposition Rate on Implants with Either a Sandblasted Acid-Etched Implant Surface (SLA) or a Nanostructured Calcium-Incorporated Surface (XPEED ®): A Histological Split-Mouth, Randomized Case/Control Human Study. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3341. [PMID: 38998421 PMCID: PMC11243467 DOI: 10.3390/ma17133341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 06/30/2024] [Accepted: 07/03/2024] [Indexed: 07/14/2024]
Abstract
This study aimed to histologically evaluate the effects of XPEED® and SLA surface on the mineral apposition rate (MAR) at 3 and 5 weeks in titanium dental implants placed in human bone. In total, 17 titanium dental implants with XPEED® surface (n = 9) used as test and SLA surface (n = 8) used as control were included in this study. Each patient received four doses of tetracycline 500 mg at 12 h intervals 2 weeks prior to biopsy retrieval. Implant retrieval was performed, and retrieved biopsies were carefully treated for histomorphometric evaluation under epifluorescence microscopy. At 3 and 5 weeks, newly formed bone appeared in direct contact with both types of tested surfaces. At 3 weeks, the MAR value was, respectively, 2.0 (±0.18) μm/day for XPEED® implants and 1.5 (±0.10) μm/day for SLA implants (p = 0.017). At 5 weeks, lower MAR values for both XPEED® and SLA implants were noted, with 1.2 (±0.10) μm/day and 1.1 (±0.10) μm/day, respectively (p = 0.046). The overall evaluation by linear regression analysis for both time and implant surfaces showed a decreased osteoblast activity at 5 weeks compared to 3 weeks (p < 0.005). The results of the present study show that the bone apposition rate occurs faster around implants with XPEED® surface at 3 weeks and 5 weeks of healing. MAR values may support the use of implants with XPEED® surfaces in early loading protocols.
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Affiliation(s)
- Abdallah Menhall
- Oral Surgery Department, Saint Joseph University of Beirut, Beirut 1104 2020, Lebanon
| | - Pierre Lahoud
- Oral Surgery Department, Saint Joseph University of Beirut, Beirut 1104 2020, Lebanon
| | - Kyung Ran Yang
- Daegu Mir Dental Hospital, Jung-gu, Daegu 41934, Republic of Korea
| | - Kwang Bum Park
- MegaGen Implant Co., Ltd., Daegu 42921, Republic of Korea
| | - Dainius Razukevicius
- Faculty of Odontology, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania
| | - Tonino Traini
- Oral Surgery Department, Saint Joseph University of Beirut, Beirut 1104 2020, Lebanon
- Department of Innovative Technologies in Medicine & Dentistry, University "G. d'Annunzio" of Chieti Pescara, 66100 Chieti, Italy
| | - Christian Makary
- Oral Surgery Department, Saint Joseph University of Beirut, Beirut 1104 2020, Lebanon
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Takekawa T, Moroi A, Gomi K, Takayama A, Yoshizawa K, Ueki K. Correlation Between Acquisition of Dental Implant Stability and Hounsfield Units at Dental Implant Placement. J ORAL IMPLANTOL 2024; 50:24-30. [PMID: 38579113 DOI: 10.1563/aaid-joi-d-22-00233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2024]
Abstract
Alveolar bone quality at the implantation site affects the initial stability of dental implant treatment. However, the relationship between bone quality and osseointegration has yet to be evaluated. Herein, we aimed to investigate the effect of bone quality on dental implant stability in osseointegration formation changes. Patients underwent computed tomography imaging before dental implantation at the posterior. Hounsfield units were measured at the platform, middle, and tip sites. Implant stability was measured using resonance frequency analysis immediately and at 3 months postoperatively, in which the difference in implant stability quotients (ISQ) was defined as the change between primary and secondary fixation. In multiple regression analysis, the dependent variable was the change between the immediate and secondary fixations. We included 81 implants that conformed to the criteria. Primary fixation yielded the following results: R2 = 0.117, F = 2.529, and P = .047. The difference between the maxilla and mandible of the implantation site (P = .02) and the platform-site Hounsfield units (P = .019) were identified as significant factors. The following results were obtained regarding the change between the immediate and secondary fixation: R2 = 0.714, F = 40.964, and P < .001. The difference between diameter (P = .008) and the immediate ISQ (P < .001) were identified as significant factors. Overall, the bone quality of the implantation site affected initial fixation; however, it had limited effect on secondary fixation. Our findings clarified the period where bone quality affects dental implant treatment and is expected to advance dental implant treatment.
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Affiliation(s)
- Takahiro Takekawa
- Department of Oral and Maxillofacial Surgery, Division of Clinical Medicine, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Yamanashi, Japan
| | - Akinori Moroi
- Department of Oral and Maxillofacial Surgery, Division of Clinical Medicine, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Yamanashi, Japan
| | - Karen Gomi
- Department of Oral and Maxillofacial Surgery, Division of Clinical Medicine, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Yamanashi, Japan
| | - Akihiro Takayama
- Department of Oral and Maxillofacial Surgery, Division of Clinical Medicine, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Yamanashi, Japan
| | - Kunio Yoshizawa
- Department of Oral and Maxillofacial Surgery, Division of Clinical Medicine, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Yamanashi, Japan
| | - Koichiro Ueki
- Department of Oral and Maxillofacial Surgery, Division of Clinical Medicine, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Yamanashi, Japan
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Naeimi Darestani M, Asl Roosta H, Mosaddad SA, Yaghoubee S. The effect of leukocyte- and platelet-rich fibrin on the bone loss and primary stability of implants placed in posterior maxilla: a randomized clinical trial. Int J Implant Dent 2023; 9:23. [PMID: 37555894 PMCID: PMC10412516 DOI: 10.1186/s40729-023-00487-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 07/23/2023] [Indexed: 08/10/2023] Open
Abstract
PURPOSE In this study, we investigated the effects of leukocyte- and platelet-rich fibrin (L-PRF) on implant stability and alterations in the marginal bone surrounding posterior maxillary implants. METHODS This randomized clinical trial was conducted to compare the variable of L-PRF placement around maxillary implants. Resonance frequency analysis (RFA) was used to evaluate the implant stability immediately after surgery and at 1, 2, 4, 6, 8, and 12 weeks after surgery (t0 to t6, respectively). In addition, the amount of marginal bone changes around the implant at t6 was compared with the baseline using periapical radiography. RESULTS The RFA outcomes were statistically significant within each group (P < 0.001, Eta2 = 0.322); however, in none of the follow-ups and immediately after the surgery, there was a significant difference between the two groups in terms of the implant stability quotient (ISQ) scores (P > 0.05). At t0, the test and control groups' respective mean levels of marginal bone loss around the implants were 0.4836 mm and 0.7343 mm, significantly different from the corresponding values at t6. On the other hand, marginal bone loss around the implant was not significantly different between the two groups in t0 and t6 (P = 0.532). CONCLUSIONS L-PRF did not improve the RFA outcomes of implants three months after implant placement, and changes in the ISQ values over time were the same in both groups. In addition, L-PRF had no superior effect on the marginal bone loss around the implants. TRIAL REGISTRATION NUMBER The research was registered in the Iranian Registry of Clinical Trials on 22 December 2020 (No: IRCT20200624047906N1), available at http://www.irct.ir.
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Affiliation(s)
| | - Hoori Asl Roosta
- Periodontics Department, Dental Faculty, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Ali Mosaddad
- Student Research Committee, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Siamak Yaghoubee
- Periodontics Department, Dental Faculty, Tehran University of Medical Sciences, Tehran, Iran.
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Gehrke SA, Cortellari GC, de Oliveira Fernandes GV, Scarano A, Martins RG, Cançado RM, Mesquita AMM. Randomized Clinical Trial Comparing Insertion Torque and Implant Stability of Two Different Implant Macrogeometries in the Initial Periods of Osseointegration. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59010168. [PMID: 36676792 PMCID: PMC9862599 DOI: 10.3390/medicina59010168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/06/2023] [Accepted: 01/10/2023] [Indexed: 01/19/2023]
Abstract
Objectives: The present study compared two implants with different macrogeometries placed in healed alveolar sites, evaluating the insertion torque (ITV) and implant stability quotient (ISQ) values at three different periods. Methods: Seventy patients with a total of 100 dental implants were allocated into two groups (n = 50 per group): DuoCone implants (DC group) that included 28 implants in the maxilla and 22 in the mandible, and Maestro implants (MAE group) that included 26 in the maxilla and 24 in the mandible. The ITV was measured during the implant placement, and the ISQ values were measured immediately at implant placement (baseline) and after 30 and 45 days. Results: The mean and standard deviations of the ITV were statistically significant (p < 0.0001), 56.4 ± 6.41 Ncm for the DC group and 29.3 ± 9.65 Ncm for the MAE group. In the DC group, the ISQs ranged between 61.1 ± 3.78 and 69.8 ± 3.86, while the MAE group presented similar values compared with the other group, ranging between 61.9 ± 3.92 and 72.1 ± 2.37. Conclusions: The value of implant insertion torque did not influence the ISQ values measured immediately after implant placement. However, the ITV influenced the ISQ values measured in the two initial periods of osseointegration, with implants installed with lower torques presenting higher ISQ values.
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Affiliation(s)
- Sergio Alexandre Gehrke
- Department of Research, Bioface/PgO/UCAM, Calle Cuareim 1483, Montevideo 11100, Uruguay
- Instituto de Bioingenieria, Universidad Miguel Hernández, Avda. Ferrocarril s/n., 03202 Elche, Spain
- Department of Biotechnology, Universidad Católica de Murcia (UCAM), 30107 Murcia, Spain
- Department of Materials Engineering, Pontificia Universidade Católica do Rio Grande do Sul, Porto Alegre 90619-900, Brazil
- Correspondence: ; Tel./Fax: +598-29015634
| | | | | | - Antonio Scarano
- Department of Research, Bioface/PgO/UCAM, Calle Cuareim 1483, Montevideo 11100, Uruguay
- Department of Innovative Technologies in Medicine & Dentistry, University of Chieti-Pescara, 66100 Chieti, Italy
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Flörke C, Eisenbeiß AK, Metz U, Gülses A, Acil Y, Wiltfang J, Naujokat H. Introducing a Novel Experimental Model for Osseo-Disintegration of Titanium Dental Implants Induced by Monobacterial Contamination: An In-Vivo Feasibility Study. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7076. [PMID: 34832476 PMCID: PMC8623268 DOI: 10.3390/ma14227076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/18/2021] [Accepted: 11/20/2021] [Indexed: 12/19/2022]
Abstract
Background and Objectives: The aim of the current study was to establish an osseo-disintegration model initiated with a single microorganism in mini-pigs. Materials and Methods: A total of 36 titanium dental implants (3.5 mm in diameter, 9.5 mm in length) was inserted into frontal bone (n: 12) and the basis of the corpus mandible (n: 24). Eighteen implants were contaminated via inoculation of Enterococcus faecalis. Six weeks after implant insertion, bone-to-implant contact (BIC) ratio, interthread bone density (ITBD), and peri-implant bone density (PIBD) were examined. In addition to that, new bone formation was assessed via fluorescence microscopy, histomorphometry, and light microscopical examinations. Results: Compared to the sterile implants, the contaminated implants showed significantly reduced BIC (p < 0.001), ITBD (p < 0.001), and PBD (p < 0.001) values. Around the sterile implants, the green and red fluorophores were overlapping and surrounding the implant without gaps, indicating healthy bone growth on the implant surface, whereas contaminated implants were surrounded by connective tissue. Conclusions: The current experimental model could be a feasible option to realize a significant alteration of dental-implant osseointegration and examine novel surface decontamination techniques without impairing local and systemic inflammatory complications.
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Affiliation(s)
- Christian Flörke
- Department of Oral and Maxillofacial Surgery, UKSH, Christian-Albrechts-University, 24105 Kiel, Germany; (A.-K.E.); (U.M.); (Y.A.); (J.W.); (H.N.)
| | | | | | - Aydin Gülses
- Department of Oral and Maxillofacial Surgery, UKSH, Christian-Albrechts-University, 24105 Kiel, Germany; (A.-K.E.); (U.M.); (Y.A.); (J.W.); (H.N.)
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Raz P, Meir H, Levartovsky S, Peleg M, Sebaoun A, Beitlitum I. Reliability and Correlation of Different Devices for the Evaluation of Primary Implant Stability: An In Vitro Study. MATERIALS 2021; 14:ma14195537. [PMID: 34639933 PMCID: PMC8509803 DOI: 10.3390/ma14195537] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 12/14/2022]
Abstract
Our aim was to analyze the correlation between the IT evaluated by a surgical motor and the primary implant stability (ISQ) measured by two RFA devices, Osstell and Penguin, in an in vitro model. This study examines the effect of bone type (soft or dense), implant length (13 mm or 8 mm), and implant design (CC: conical connection; IH: internal hexagon), on this correlation. Ninety-six implants were inserted using a surgical motor (IT) into two types of synthetic foam blocks. Initial measurements for both the peak IT and ISQ were recorded at the point when implant insertion was stopped by the surgical motor, and the final measurements were recorded when the implant was completely inserted into the synthetic blocks using only the RFA devices. Our null hypothesis was that there is a good correlation between the devices, independent of the implant length, design, or bone type. We found a positive, significant correlation between the IT, and the Osstell and Penguin devices. Implant length and bone type did not affect this correlation. The correlation between the devices in the CC design was maintained; however, in the IH design it was maintained only between the RFA devices. We concluded that there is a high positive correlation between the IT and ISQ from a mechanical perspective, which was not affected by bone type or implant length but was affected by the implant design.
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Affiliation(s)
- Perry Raz
- Department of Periodontology and Dental Implants, The Maurice and Gabriela Goldschleger School of Dental Medicine, The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; (H.M.); (A.S.); (I.B.)
- Correspondence:
| | - Haya Meir
- Department of Periodontology and Dental Implants, The Maurice and Gabriela Goldschleger School of Dental Medicine, The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; (H.M.); (A.S.); (I.B.)
| | - Shifra Levartovsky
- Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel;
| | - Maia Peleg
- The Maurice and Gabriela Goldschleger School of Dental Medicine, The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel;
| | - Alon Sebaoun
- Department of Periodontology and Dental Implants, The Maurice and Gabriela Goldschleger School of Dental Medicine, The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; (H.M.); (A.S.); (I.B.)
| | - Ilan Beitlitum
- Department of Periodontology and Dental Implants, The Maurice and Gabriela Goldschleger School of Dental Medicine, The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; (H.M.); (A.S.); (I.B.)
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Emmert M, Spille J, Behrens E, Ayna M, Karayurek F, Wiltfang J, Acil Y, Gülses A. Comparative assessment of the primary stability of Straumann® BLX implant design using an in-vitro sinus lift-simultaneous implant insertion model. J ORAL IMPLANTOL 2021; 48:269-275. [PMID: 34494117 DOI: 10.1563/aaid-joi-d-20-00411] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Straumann ® BLX is a novel implant system, which has been proclaimed to provide an ideal primary stability in all types of bone. In the current study, the primary stability of Straumann ® BLX implant systems with Straumann ® tapered effect (TE) implants have been comparatively assessed in bovine ribs by using a simultaneous sinus elevation and implant insertion model. In the study group, BLX (4.0 x 12 mm), TE (4.1 x 12 mm), BLX (4,5 x 12 mm) and TE (4.8 x 12 mm) were placed in each bony window, which resembles sinus maxillaris. As a control, BLX and TE implants with same sizes were inserted into the proximal diaphysis of the bovine ribs. A total of 40 implant insertions were performed. The stability was measured with resonance frequence analysis. In the study group, TE implants of 4.8 mm showed significantly higher values compared to 4.5 mm BLX implants (p=0.116). However, BLX implants of 4.0 mm in the control group showed higher stability compared to TE with 4.0 mm diameter. (p=0.014). The primary stability of BLX implants in the control group was significantly higher compared to the experimental group in both widths (p=0.018 for BLX 4.0 and p=0.002 for BLX 4.5 respectively). The use of TE design with wide diameter in simultaneous implant placement with sinus lift could present higher ISQ values and might be more appropriate option for implant recipient sites with poor bone volume and quality. However, the advantage of BLX design in standard implant insertion protocols could be precious.
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Affiliation(s)
- Marie Emmert
- Christian-Albrechts-Universität zu Kiel: Christian-Albrechts-Universitat zu Kiel Oral and Maxillofacial Surgery Arnold Heller Straße 3 GERMANY Kiel Schleswig Holstein 24105 Christian-Albrechts-Universität zu Kiel: Christian-Albrechts-Universitat zu Kiel
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Emmert M, Gülses A, Behrens E, Karayürek F, Acil Y, Wiltfang J, Spille JH. An experimental study on the effects of the cortical thickness and bone density on initial mechanical anchorage of different Straumann® implant designs. Int J Implant Dent 2021; 7:83. [PMID: 34458954 PMCID: PMC8403613 DOI: 10.1186/s40729-021-00367-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 06/16/2021] [Indexed: 12/20/2022] Open
Abstract
Background The aim of the current study was to comparatively assess the primary stability of different Straumann® implant designs (BLX, Straumann Tapered Effect, Bone Level Tapered, and Standard Plus) via resonance frequency analysis by using an implant insertion model in freshly slaughtered bovine ribs with and without cortical bone. Tapered Effect (4.1 × 10 mm), Bone Level Tapered (4.1 × 10 mm), Standard Plus (4.1 × 10 mm), and BLX (4.0 × 10 mm) implants were inserted into the distal epiphysis on the longitudinal axis of the freshly slaughtered bovine ribs. As a control, implants with the same sizes were inserted into the proximal diaphysis. The stability of the implants was examined with resonance frequency analysis. Results BLX and Tapered Effect implants showed higher implant stability quotient values in both study and control groups. All implant systems showed a significant decrease of mechanical anchorage in the study group. BLX and Bone Level Tapered designs had a significantly lower loss of mechanical anchorage in the lack of cortical bone. Conclusion Both Tapered Effect and BLX designs could ensure sufficient initial stability; however, BLX implants could be an appropriate option in the lack of cortical bone and poor bone quality at the implant recipient site. Clinical relevance BLX is a novel implant system, which could be especially beneficial in the presence of spongious bone type at posterior maxillae.
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Affiliation(s)
- Marie Emmert
- Christian Albrechts University, Department of Oral and Maxillofacial Surgery, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, 24105, Kiel, Germany
| | - Aydin Gülses
- Christian Albrechts University, Department of Oral and Maxillofacial Surgery, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, 24105, Kiel, Germany.
| | - Eleonore Behrens
- Christian Albrechts University, Department of Oral and Maxillofacial Surgery, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, 24105, Kiel, Germany
| | - Fatih Karayürek
- Department of Periodontology, Cankiri Karatekin University, Cankiri, Turkey
| | - Yahya Acil
- Christian Albrechts University, Department of Oral and Maxillofacial Surgery, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, 24105, Kiel, Germany
| | - Jörg Wiltfang
- Christian Albrechts University, Department of Oral and Maxillofacial Surgery, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, 24105, Kiel, Germany
| | - Johannes Heinrich Spille
- Christian Albrechts University, Department of Oral and Maxillofacial Surgery, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, 24105, Kiel, Germany
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Gehrke SA, Scarano A, de Lima JHC, Bianchini MA, Dedavid BA, De Aza PN. Effects of the Healing Chambers in Implant Macrogeometry Design in a Low-Density Bone Using Conventional and Undersized Drilling. J Int Soc Prev Community Dent 2021; 11:437-447. [PMID: 34430506 PMCID: PMC8352059 DOI: 10.4103/jispcd.jispcd_96_21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 06/14/2021] [Accepted: 05/22/2021] [Indexed: 11/04/2022] Open
Abstract
Background: The ideal installation technique or implant macrogeometry for obtaining an adequate osseointegration in low-density bone tissue follows a challenge in the implantology. Aims and Objective: The aim of the present study was to evaluate the behavior of three osteotomy techniques and two implant macrogeometries in two low-density polyurethane blocks. The insertion torque (IT), initial stability, pullout resistance, and weight of the residual bone material deposited on the implants were assessed. Materials and Methods: A total of 120 implants with two different macrogeometries were used. They were divided into six groups according to the implant macrogeometry and the drilling technique performed (n = 20 implants per group). The implants were installed in polyurethane blocks with pounds per cubic foot (PCF) 10 and PCF 20 densities. The IT, initial stability, pullout resistance, and weight residual bone were measured. Results: Differences were found in the values referring to the macrogeometry of the implants and the type of osteotomy performed. In all groups, the initial stability of the PCF 10 blocks was quite low. The undersized osteotomies significantly increased the values measured in all tests in the PCF 20 density blocks. Conclusions: In conclusion, even when a modified (undersized) osteotomy technique is used, implants inserted in low-quality bone (type IV) can present problems for osseointegration due their low initial stability and bone resistance. However, the modification in the implant macrogeometry (with healing chambers) presented more quantity of bone on the surface after the pullout test.
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Affiliation(s)
- Sergio A Gehrke
- Department of Research, Biotecnos, Montevideo, Uruguay.,Department of Biotechnology, Universidad Católica de Murcia, Murcia, Spain.,Instituto de Bioingenieria, Universidad Miguel Hernández, Elche (Alicante), Spain
| | - Antônio Scarano
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy
| | - José H C de Lima
- Department of Rehabilitation, Universidade Federal Fluminense, Rio de Janeiro, Brazil
| | - Marco A Bianchini
- Post-Graduate Program in Implant Dentistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Berenice A Dedavid
- Department of Materials Engineering, Pontificia Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Piedad N De Aza
- Instituto de Bioingenieria, Universidad Miguel Hernández, Elche (Alicante), Spain
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12
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Hériveaux Y, Vayron R, Fraulob M, Lomami HA, Lenormand C, Haïat G. Assessment of dental implant stability using resonance frequency analysis and quantitative ultrasound methods. J Prosthodont Res 2021; 65:421-427. [PMID: 33177307 DOI: 10.2186/jpr.jpr_d_20_00052] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Purpose Quantitative ultrasound (QUS) and resonance frequency analyses (RFA) are promising methods to assess the stability of dental implants. The aim of this in vivo preclinical study is to compare the results obtained with these two techniques with the bone-implant contact (BIC) ratio, which is the gold standard to assess dental implant stability.Methods Twenty-two identical dental implants were inserted in the tibia and femur of 12 rabbits, which were sacrificed after different healing durations (0, 4, 8 and 13 weeks). For each implant, the ultrasonic indicator (UI) and the implant stability quotient (ISQ) were retrieved just before the animal sacrifice using the QUS and RFA techniques, respectively. Histomorphometric analyses were carried out to estimate the bone-implant contact ratio.Results UI values were found to be better correlated to BIC values (R²=0.47) compared to ISQ values (R²=0.39 for measurements in one direction and R²=0.18 for the other direction), which were shown to be dependent on the direction of measurements. Errors realized on the UI were around 3.3 times lower to the ones realized on the ISQ.Conclusions QUS provide a better estimation of dental implant stability compared to RFA. This study paves the way for the future clinical development of a medical device aiming at assessing dental implant stability in a patient-specific manner. Clinical studies should confirm these results in the future.
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Affiliation(s)
- Yoann Hériveaux
- CNRS, Laboratoire Modélisation et Simulation Multi Echelle, Créteil Cedex, France
| | - Romain Vayron
- Université Polytechnique des Hauts de France, Laboratoire d'Automatique, de Mécanique et d'informatique Industrielles et Humaines, Valenciennes, France
| | - Manon Fraulob
- CNRS, Laboratoire Modélisation et Simulation Multi Echelle, Créteil Cedex, France
| | - Hugues Albini Lomami
- CNRS, Laboratoire Modélisation et Simulation Multi Echelle, Créteil Cedex, France
| | - Camille Lenormand
- CNRS, Laboratoire Modélisation et Simulation Multi Echelle, Créteil Cedex, France
| | - Guillaume Haïat
- CNRS, Laboratoire Modélisation et Simulation Multi Echelle, Créteil Cedex, France
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13
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Vale Souza JPD, Melo Neto CLDM, Piacenza LT, da Silva EVF, Moreno ALDM, Penitente PA, Brunetto JL, Santos DMD, Goiato MC. Relation Between Insertion Torque and Implant Stability Quotient: A Clinical Study. Eur J Dent 2021; 15:618-623. [PMID: 34233364 PMCID: PMC8630976 DOI: 10.1055/s-0041-1725575] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Objectives
This study aimed to assess the relation between the insertion torque and implant stability quotient (ISQ recorded immediately and 6 months after implant placement).
Materials and Methods
Twenty-five patients over the age of 18 years were selected for this study. One implant was placed per patient after tooth extraction. All implants had the same size (11.5 × 3.75 mm) and brand (Hexagonal Morse cone, DSP Biomedical). The insertion torque (Ncm) and resonance frequency analysis (ISQ value) (Osstell Mentor) were used to assess the primary stability (on the day of surgery). After 6 months, resonance frequency analysis was used to assess the secondary stability of each implant.
Statistical Analysis
The insertion torque data were correlated with ISQ measurements by using Pearson’s correlation. The significance level was 5%.
Results
There was a positive correlation between insertion torque and initial ISQ (correlation: 0.457;
p
= 0.022); however, no correlation was found between insertion torque and final ISQ (
p
= 0.308).
Conclusion
The present study demonstrated that there is a positive correlation between the insertion torque and the initial ISQ. Therefore, the higher the insertion torque, the higher the initial ISQ (and vice versa).
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Affiliation(s)
- João Paulo do Vale Souza
- Department of Dental Materials and Prosthodontics, Araçatuba Dental School, São Paulo State University, Araçatuba, São Paulo, Brazil
| | | | - Lucas Tavares Piacenza
- Department of Dental Materials and Prosthodontics, Araçatuba Dental School, São Paulo State University, Araçatuba, São Paulo, Brazil
| | - Emily Vivianne Freitas da Silva
- Department of Dental Materials and Prosthodontics, Araçatuba Dental School, São Paulo State University, Araçatuba, São Paulo, Brazil
| | - André Luiz de Melo Moreno
- Department of Dental Materials and Prosthodontics, Araçatuba Dental School, São Paulo State University, Araçatuba, São Paulo, Brazil
| | - Paulo Augusto Penitente
- Department of Dental Materials and Prosthodontics, Araçatuba Dental School, São Paulo State University, Araçatuba, São Paulo, Brazil
| | - Juliana Lujan Brunetto
- Department of Dental Materials and Prosthodontics, Araçatuba Dental School, São Paulo State University, Araçatuba, São Paulo, Brazil
| | - Daniela Micheline Dos Santos
- Department of Dental Materials and Prosthodontics, Araçatuba Dental School, São Paulo State University, Araçatuba, São Paulo, Brazil.,Oral Oncology Center, Araçatuba Dental School, São Paulo State University, Araçatuba, São Paulo, Brazil
| | - Marcelo Coelho Goiato
- Department of Dental Materials and Prosthodontics, Araçatuba Dental School, São Paulo State University, Araçatuba, São Paulo, Brazil.,Oral Oncology Center, Araçatuba Dental School, São Paulo State University, Araçatuba, São Paulo, Brazil
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14
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Hao CP, Cao NJ, Zhu YH, Wang W. The osseointegration and stability of dental implants with different surface treatments in animal models: a network meta-analysis. Sci Rep 2021; 11:13849. [PMID: 34226607 PMCID: PMC8257659 DOI: 10.1038/s41598-021-93307-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 06/23/2021] [Indexed: 12/12/2022] Open
Abstract
Dental implants are commonly used to repair missing teeth. The implant surface plays a critical role in promoting osseointegration and implant success. However, little information is available about which implant surface treatment technology best promotes osseointegration and implant stability. The aim of this network meta-analysis was to evaluate the osseointegration and stability of four commonly used dental implants (SLA, SLActive, TiUnite, and Osseotite). The protocol of the current meta-analysis is registered in PROSPERO (International Prospective Register of Systematic Reviews) under the code CRD42020190907 (https://www.crd.york.ac.uk). We conducted a systematic review following PRISMA and Cochrane Recommendations. Medline (PubMed), Cochrane Library, Embase, and the Web of Science databases were searched. Only randomized controlled trials were considered. Twelve studies were included in the current network meta-analysis, eleven studies were included concerning the osseointegration effect and five studies were included for stability analysis (four studies were used to assess both stability and osseointegration). Rank possibility shows that the SLActive surface best promoted bone formation at an early healing stage and TiUnite seemed to be the best surface for overall osseointegration. For stability, TiUnite seemed to be the best surface. The present network meta-analysis showed that the SLActive surface has the potential to promote osseointegration at an early stage. The TiUnite surface had the best effect on osseointegration regarding the overall healing period. The TiUnite surface also had the best effect in stability.
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Affiliation(s)
- Chun-Ping Hao
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, People's Republic of China.,General Hospital of Northern Theater Command, Shenyang, Liaoning, People's Republic of China
| | - Nan-Jue Cao
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, People's Republic of China
| | - Yu-He Zhu
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Wei Wang
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, People's Republic of China.
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15
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Oliveira MR, Gonçalves A, Gabrielli MAC, de Andrade CR, Scardueli CR, Pereira Filho VA. The correlation of different methods for the assessment of bone quality in vivo: an observational study. Int J Oral Maxillofac Surg 2021; 51:388-397. [PMID: 34127353 DOI: 10.1016/j.ijom.2021.05.019] [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: 05/27/2020] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 10/21/2022]
Abstract
Different methods for the assessment of bone quality were evaluated in this study. Sixty alveolar bone areas were investigated. Peri-apical and panoramic radiographs were obtained with an aluminium scale to assess optical density. The Lekholm and Zarb (L&Z) classification was determined through radiographic analysis and the surgeon's tactile perception. A trephine was used to obtain a bone biopsy for assessment by micro-computed tomography (micro-CT) and histomorphometry. Primary stability of the implants was assessed using insertion torque (IT) and the implant stability quotient (ISQ). The optical density on peri-apical radiographs was correlated with IT, ISQ, and micro-CT (BV, BV/BT, Tb.Th, Tb.N, BS/BV, Tb.Pf, and SMI) (rho ≤ 0.471, P ≤ 0.028). Panoramic radiography showed a correlation only with bone surface (BS) and bone surface/volume ratio (BS/TV) (rho ≤ 0.290, P ≤ 0.031). IT showed a correlation with ISQ, histometry, and micro-CT (BV, BS/TV, Tb.Th, Tb.N, BS/BV, Tb.Pf, Tb.Sp, BV/BT) (rho ≤ 0.550, P ≤ 0.022). ISQ did not show any correlation with micro-CT. The L&Z classification showed correlations with the optical density obtained in the peri-apical radiographs, histometry, osteocyte count, IT, and micro-CT (BS/BV, Tb.Sp, Tb.Pf, BV, BS/TV, Tb.Th, Tb.N) (rho ≤ 0.344, P ≤ 0.042). The L&Z bone classification and IT are reliable methods, peri-apical radiographs and ISQ are acceptable, and panoramic radiography is not a reliable method for the assessment of bone quality.
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Affiliation(s)
- M R Oliveira
- Department of Diagnosis and Surgery, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, SP, Brazil.
| | - A Gonçalves
- Department of Diagnosis and Surgery, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, SP, Brazil.
| | - M A C Gabrielli
- Department of Diagnosis and Surgery, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, SP, Brazil.
| | - C R de Andrade
- Department of Pathology and Physiology, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, SP, Brazil.
| | - C R Scardueli
- Department of Diagnosis and Surgery, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, SP, Brazil.
| | - V A Pereira Filho
- Department of Diagnosis and Surgery, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, SP, Brazil.
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16
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Sierra-Rebolledo A, Tariba-Forero D, Rios-Calvo MD, Gay-Escoda C. Effect of undersized drilling on the stability of immediate tapered implants in the anterior maxillary sector. A randomized clinical trial. Med Oral Patol Oral Cir Bucal 2021; 26:e187-e194. [PMID: 33395401 PMCID: PMC7980290 DOI: 10.4317/medoral.24107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 12/11/2020] [Indexed: 11/29/2022] Open
Abstract
Background To evaluate the effect of undersized drilling on the primary and secondary stability of immediate implants placed in the anterior maxilla.
Material and Methods A comparative randomized clinical trial was carried out in 30 healthy adults. Thirty tapered implants, 16 involving conventional drilling and 14 undersized drilling, were placed immediately after anterior maxillary tooth removal. Insertion torque and implant stability assessed by resonance frequency analysis (RFA) were evaluated at three different timepoints: at implant placement and 6 and 12 weeks post-implantation. The results were compared using parametric statistical tests.
Results All implants showed adequate stability during follow-up. At implant placement, the undersized drilling group exhibited greater insertion torque values than the conventional drilling group, but stability assessed by RFA showed greater mean values in the conventional group. After 6 and 12 weeks of follow-up, both groups showed improved stability, though the RFA values remained comparatively higher in the conventional group. The differences were not statistically significant.
Conclusions Based on the results obtained, undersized drilling does not appear to afford significantly improved stability of immediate implants placed in the anterior zone of the maxilla during the osseointegration period. Key words:Insertion torque, RFA, undersized drilling, immediate implants, primary stability, secondary stability.
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Affiliation(s)
- A Sierra-Rebolledo
- Departamento de Estomatoquirúrgica Unidad de Investigaciones Morfo-Patológicas (UNIMPA), Pabellon 11 Campus Barbula, Facultad de Odontología, Universidad de Carabobo Valencia, Venezuela
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17
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Schnutenhaus S, Götz W, Dreyhaupt J, Rudolph H, Luthardt RG, Edelmann C. Associations among Primary Stability, Histomorphometric Findings, and Bone Density: A Prospective Randomized Study after Alveolar Ridge Preservation with a Collagen Cone. Dent J (Basel) 2020; 8:E112. [PMID: 33023224 PMCID: PMC7712570 DOI: 10.3390/dj8040112] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/22/2020] [Accepted: 09/27/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND The objective of this investigation was to examine whether determination of bone density (BD) with a cone beam computed tomography (CBCT) scan could help predict the primary stability (PS) of the implants and to investigate whether associations between the histomorphometric findings and the CBCT scan could be observed. MATERIALS AND METHODS In this randomized clinical study, the efficacy of alveolar ridge preservation (ARP) with a combination of a collagen cone and a collagen membrane procedure after tooth extraction was investigated. CBCT scans were obtained after a healing period of 8 (±1) weeks. Subsequently, the CBCT scans were evaluated in terms of BD at different heights of the former socket. Eleven (±1) weeks after tooth extraction, implant placement was performed and PS was measured with resonance frequency analysis. Potential associations among the radiologically measured BD, the histomorphometric results, and the PS were analyzed. RESULTS No direct association was observed between the radiologically determined BD and the histomorphometric findings. No significant associations could be found between the BD and the PS. CONCLUSION No significant associations were observed among the BD determined by the CBCT, the histomorphometric findings, and the PS.
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Affiliation(s)
- Sigmar Schnutenhaus
- Center of Dentistry, Dr. Schnutenhaus MVZ GmbH, 78247 Hilzingen, Germany
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University, 89081 Ulm, Germany; (H.R.); (R.G.L.); (C.E.)
| | - Werner Götz
- Oral Biology Laboratory, Department of Orthodontics, University of Bonn, 53113 Bonn, Germany;
| | - Jens Dreyhaupt
- Institute of Epidemiology and Medical Biometry, Ulm University, 89081 Ulm, Germany;
| | - Heike Rudolph
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University, 89081 Ulm, Germany; (H.R.); (R.G.L.); (C.E.)
| | - Ralph G. Luthardt
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University, 89081 Ulm, Germany; (H.R.); (R.G.L.); (C.E.)
| | - Cornelia Edelmann
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University, 89081 Ulm, Germany; (H.R.); (R.G.L.); (C.E.)
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18
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Osseodensification Drilling vs. Standard Protocol of Implant Site Preparation: An In Vitro Study on Polyurethane Foam Sheets. PROSTHESIS 2020. [DOI: 10.3390/prosthesis2020008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
(1) Background: The aim of the present in vitro investigation was to evaluate, on polyurethane sheets, two different drilling techniques for dental implant positioning using osteocondensing burs compared to a standard type protocol. (2) Methods: Three different implant designs (Implacil De Bortoli UN III 4 × 10 mm, Restore RBM 4 (HEX) × 10 mm; Implacil De Bortoli UN II 4 × 10 mm) were evaluated (test implant (osteocondensing drills) and control implant (standard drills)). The insertion torque (IT), the removal torque (RT) and the resonance frequency analysis (RFA) values of test and control implants inserted in different size and different density polyurethane foam models were compared for 120 experimental sites. Accordingly, 120 experimental holes were produced in different PCF polyurethane foams: 60 sites were produced in 10 PCF sheets and 60 sites in 10 PCF sheets with an additional 1 mm layer of 30 PCF. (3) Results: The IT, removal torque and RFA values were significantly higher for both of the evaluated implants, in the sites prepared with the osteocondenser drills when compared to sites prepared with standard drills (p < 0.05). The UNII and UN III showed significantly higher stability compared to the HEX implant; these differences increased drastically in the 10 PCF Polyurethane Block with the additional 1 mm cortical layer (p < 0.05). (4) Conclusions: The outcome of this investigation suggested a possible clinical application of osteocondensing burs in case of reduced bone quality and quantity in the posterior maxilla.
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19
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Lee J, Pyo SW, Cho HJ, An JS, Lee JH, Koo KT, Lee YM. Comparison of implant stability measurements between a resonance frequency analysis device and a modified damping capacity analysis device: an in vitro study. J Periodontal Implant Sci 2020; 50:56-66. [PMID: 32128274 PMCID: PMC7040444 DOI: 10.5051/jpis.2020.50.1.56] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Revised: 01/08/2020] [Accepted: 02/14/2020] [Indexed: 11/13/2022] Open
Abstract
Purpose A stability-measuring device that utilizes damping capacity analysis (DCA) has recently been introduced in the field of dental implantology. This study aimed to evaluate the sensitivity and reliability of this device by measuring the implant stability of ex vivo samples in comparison with a resonance frequency analysis (RFA) device. Methods Six implant beds were prepared in porcine ribs using 3 different drilling protocols to simulate various implant stability conditions. Thirty-six pork ribs and 216 bone-level implants measuring 10 mm in height were used. The implant beds were prepared using 1 of the following 3 drilling protocols: 10-mm drilling depth with a 3.5-mm-diameter twist drill, 5-mm drilling depth with a 4.0-mm-diameter twist drill, and 10-mm drilling depth with a 4.0-mm-diameter twist drill. The first 108 implants were external-connection implants 4.0 mm in diameter, while the other 108 implants were internal-connection implants 4.3 mm in diameter. The peak insertion torque (PIT) during implant placement, the stability values obtained with DCA and RFA devices after implant placement, and the peak removal torque (PRT) during implant removal were measured. Results The intraclass correlation coefficients (ICCs) of the implant stability quotient (ISQ) results obtained using the RFA device at the medial, distal, ventral, and dorsal points were 0.997, 0.994, 0.994, and 0.998, respectively. The ICCs of the implant stability test (IST) results obtained using the DCA device at the corresponding locations were 0.972, 0.975, 0.974, and 0.976, respectively. Logarithmic relationships between PIT and IST, PIT and ISQ, PRT and IST, and PRT and ISQ were observed. The mean absolute difference between the ISQ and IST values on a Bland-Altman plot was −6.76 (−25.05 to 11.53, P<0.05). Conclusions Within the limits of ex vivo studies, measurements made using the RFA and DCA devices were found to be correlated under a variety of stability conditions.
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Affiliation(s)
- Jungwon Lee
- Department of Periodontics, One-Stop Specialty Center, Seoul National University Dental Hospital, Seoul, Korea
| | - Se-Wook Pyo
- Department of Dentistry, Ajou University School of Medicine, Suwon, Korea
| | - Hyun-Jae Cho
- Department of Preventive Dentistry & Public Oral Health, Seoul National University School of Dentistry, Seoul, Korea
| | - Jung-Sub An
- Department of Orthodontics, Seoul National University Dental Hospital, Seoul, Korea
| | - Jae-Hyun Lee
- Department of Prosthodontics, One-Stop Specialty Center, Seoul National University Dental Hospital, Seoul, Korea
| | - Ki-Tae Koo
- Department of Periodontology and Dental Research Institute, Seoul National University School of Dentistry, Seoul, Korea
| | - Yong-Moo Lee
- Department of Periodontology and Dental Research Institute, Seoul National University School of Dentistry, Seoul, Korea
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20
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Herrero‐Climent M, Falcão A, López‐Jarana P, Díaz‐Castro CM, Ríos‐Carrasco B, Ríos‐Santos JV. In vitro comparative analysis of two resonance frequency measurement devices: Osstell implant stability coefficient and Penguin resonance frequency analysis. Clin Implant Dent Relat Res 2019; 21:1124-1131. [DOI: 10.1111/cid.12868] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 10/18/2019] [Accepted: 10/23/2019] [Indexed: 02/06/2023]
Affiliation(s)
| | - Artur Falcão
- Faculty of Dentistry Oporto University (FMDUP) Porto Portugal
| | | | - Carmen M. Díaz‐Castro
- Master's Program of Periodontology and Implant Dentistry from the University of Seville Seville Spain
| | - Blanca Ríos‐Carrasco
- Master's Program of Periodontology and Implant Dentistry from the University of Seville Seville Spain
| | - José Vicente Ríos‐Santos
- Department of Periodontics and Implant Dentistry, Periodontics and Implant DentistryDental School University of Seville Seville Spain
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21
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Biomechanical Effects of a New Macrogeometry Design of Dental Implants: An In Vitro Experimental Analysis. J Funct Biomater 2019; 10:jfb10040047. [PMID: 31731451 PMCID: PMC6963387 DOI: 10.3390/jfb10040047] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 10/21/2019] [Accepted: 10/23/2019] [Indexed: 12/25/2022] Open
Abstract
The purpose of the present study was to measure and compare the insertion torque, removal torque, and the implant stability quotient by resonance frequency analysis in different polyurethane block densities of two implant macrogeometries. Four different polyurethane synthetic bone blocks were used with three cortical thickness: Bone 1 with a cortical thickness of 1 mm, Bone 2 with a cortical thickness of 2 mm, Bone 3 with a cortical thickness of 3 mm, and Bone 4, which was totally cortical. Four groups were created in accordance with the implant macrogeometry (n = 10 per group) and surface treatment: G1—regular implant design without surface treatment; G2—regular implant design with surface treatment; G3—new implant design without surface treatment; G4—new implant design with surface treatment. All implants used were 4 mm in diameter and 10 mm in length and manufactured in commercially pure titanium (grade IV) by Implacil De Bortoli (São Paulo, Brazil). The implants were installed using a computed torque machine, and following installation of the implant, the stability quotient (implant stability quotient, ISQ) values were measured in two directions using Osstell devices. The data were analyzed by considering the 5% level of significance. All implant groups showed similar mean ISQ values without statistical differences (p > 0.05), for the same synthetic bone block: for Bone 1, the value was 57.7 ± 3.0; for Bone 2, it was 58.6 ± 2.2; for Bone 3, it was 60.6 ± 2.3; and for Bone 4, it was 68.5 ± 2.8. However, the insertion torque showed similar higher values for the regular macrogeometry (G1 and G2 groups) in comparison with the new implant macrogeometry (G3 and G4 groups). The analysis of the results found that primary stability does not simply depend on the insertion torque but also on the bone quality. In comparison with the regular implant macrogeometry, the new implant macrogeometry decreased the insertion torque without affecting the implant stability quotient values.
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22
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Effects of size and insertion angle of orthodontic mini-implants on skeletal anchorage. Am J Orthod Dentofacial Orthop 2019; 156:220-228. [PMID: 31375232 DOI: 10.1016/j.ajodo.2018.08.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 08/01/2018] [Accepted: 08/01/2018] [Indexed: 11/24/2022]
Abstract
INTRODUCTION The primary aim of this in vitro study was to compare the insertion torque (IT) and anchorage force (AF) values of 4 different sizes of orthodontic mini-implants with 2 different angles. The second aim was to evaluate the relationship between IT and AF values under different diameter, length, and insertion angle variables. METHODS A total of 160 mini-implants, including 20 implants in each group, with 4 different sizes (1.6 × 8 mm, 1.6 × 10 mm, 2.0 × 8 mm, and 2.0 × 10 mm) at 2 different angles (70° and 90°), were inserted into bovine iliac bone segments. The IT and AF values leading to 1.5 mm deflection were compared. The correlations between IT and AF values under different variables were also analyzed. RESULTS The mini-implants with greater diameter and length showed greater IT and AF values (P <0.05). The IT and AF values of mini-implants inserted at 70° angle were significantly greater than those of mini-implants inserted at 90° angle (P <0.001). Significant correlations were found between IT and AF values in all variables. CONCLUSIONS The diameter, length, and insertion angle of orthodontic mini-implants have significant effects on IT and AF values. Insertion angle and diameter of mini-implants are more effective than implant length on skeletal anchorage. Significant correlations are present between IT and AF values of mini-implants regardless of their diameters, lengths, and insertion angles.
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Romero-Ruiz MM, Gil-Mur FJ, Ríos-Santos JV, Lázaro-Calvo P, Ríos-Carrasco B, Herrero-Climent M. Influence of a Novel Surface of Bioactive Implants on Osseointegration: A Comparative and Histomorfometric Correlation and Implant Stability Study in Minipigs. Int J Mol Sci 2019; 20:ijms20092307. [PMID: 31075984 PMCID: PMC6539430 DOI: 10.3390/ijms20092307] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 05/06/2019] [Accepted: 05/07/2019] [Indexed: 12/28/2022] Open
Abstract
Purpose: The objective of this study was to assess the influence of a novel surface of dental implants (ContacTi®) on the osseointegration process in a minipig model. The surface was compared with other existing surfaces on the market (SLA® and SLActive®) by employing bone implant contact analysis (BIC) and implant stability. Method: Twelve minipigs were used with prior authorisation from an ethics committee. Three types of surfaces were tested: SLA® (sand-blasted acid-etched titanium), SLActive® (same but hydrophilic, performed under a nitrogen atmosphere), and ContacTi® (alumina particle bombardment of titanium, bioactivated when treated thermochemically) in 4.1 mm × 8 mm implants with internal connection and a polished neck. Twelve implants of each surface type (N = 36) were placed, sacrificing 1/3 of the animals at 2 weeks of placement, 1/3 at 4 weeks and the remaining 1/3 at 8 weeks. Numerical variables were compared with Analysis of Variance, and the correlation between ISQ and BIC was established with the Spearman’s rank correlation coefficient. Results: SLActive® and ContacTi® surfaces showed elevated osteoconductivity at 4 weeks, maintaining a similar evolution at 8 weeks (large amount of mature lamellar tissue with high maturity and bone quality). The SLA® surface showed slower maturation. The ISQ values in surgery were elevated (above 65), higher at necropsy and higher at 4 and 8 weeks in the SLA® group than in the other two (SLActive® and ContacTi®). No significant correlation was found between ISQ and BIC for each implant surface and necropsy time. Conclusion: The three surfaces analysed showed high RFA and BIC values, which were more favourable for the SLActive® and ContacTi® surfaces. No statistical correlation was found between the RFA and BIC values in any of the three surfaces analysed.
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Affiliation(s)
- Manuel M Romero-Ruiz
- Advanced Periodontics, Facultad de Odontología, Universidad de Sevilla, C/Avicena S/N 41009 Seville, Spain.
| | - Francisco Javier Gil-Mur
- Technological Health Research Center, Biomaterials of the Faculties of Medicine and Dentistry, International University of Cataluña, 08034 Barcelona, Spain.
| | - José Vicente Ríos-Santos
- Advanced Periodontics, Facultad de Odontología, Universidad de Sevilla, C/Avicena S/N 41009 Seville, Spain.
| | - Pedro Lázaro-Calvo
- Advanced Periodontics, Facultad de Odontología, Universidad de Sevilla, C/Avicena S/N 41009 Seville, Spain.
| | - Blanca Ríos-Carrasco
- Advanced Periodontics, Facultad de Odontología, Universidad de Sevilla, C/Avicena S/N 41009 Seville, Spain.
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Correlation between Insertion Torque and Implant Stability Quotient in Tapered Implants with Knife-Edge Thread Design. BIOMED RESEARCH INTERNATIONAL 2018; 2018:7201093. [PMID: 29862286 PMCID: PMC5976959 DOI: 10.1155/2018/7201093] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Accepted: 04/16/2018] [Indexed: 11/17/2022]
Abstract
Aim To evaluate the correlation between insertion torque (IT) and implant stability quotient (ISQ) in tapered implants with knife-edge threads. Methods Seventy-five identical implants (Anyridge, Megagen) were inserted by using a surgical drilling unit with torque control and an integrated resonance frequency analysis module (Implantmed, W&H). IT (N/cm) and ISQ were recorded and implants were divided into three groups (n = 25) according to the IT: low (<30), medium (30 < IT < 50), and high torque (>50). ISQ difference among groups was assessed by Kruskal-Wallis test, followed by Bonferroni-corrected Mann–Whitney U-test for pairwise comparisons. The strength of the association between IT and ISQ was assessed by Spearman Rho correlation coefficient (α = 0.05). Results At the pairwise comparisons, a significant difference of ISQ values was demonstrated only between low torque and high torque groups. The strength of the association between IT and ISQ value was significant for both the entire sample and the medium torque group, while it was not significant in low and high torque groups. Conclusions For the investigated implant, ISQ and IT showed a positive correlation up to values around 50 N/cm: higher torques subject the bone-implant system to unnecessary biological and mechanical stress without additional benefits in terms of implant stability. This trial is registered with NCT03222219.
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Lages FS, Douglas-de Oliveira DW, Costa FO. Relationship between implant stability measurements obtained by insertion torque and resonance frequency analysis: A systematic review. Clin Implant Dent Relat Res 2017; 20:26-33. [PMID: 29194944 DOI: 10.1111/cid.12565] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2017] [Revised: 11/04/2017] [Accepted: 11/06/2017] [Indexed: 11/28/2022]
Abstract
BACKGROUND The primary stability of dental implants can be evaluated by insertion torque (IT) and resonance frequency analysis (RFA). OBJECTIVE Assess the supposed relationship between the IT and RFA. MATERIALS AND METHODS A systematic review was performed based on the PRISMA. The electronic search was performed in the PubMed, Web of Science, SCOPUS, Cochrane Library electronic, OVID, and Scielo databases. Manual searches were also performed. There was no restrictions regarding year of publication or language. The articles identified were assessed independently by 3 trained researchers. Clinical trials reporting the RFA values by means of implant stability quotient (ISQ) and IT were included. RESULTS The electronic and manual searches yielded 2017 studies. Twelve studies were included in the systematic review. There was no statistically significant correlation between ISQ and IT (rs = .366; P = .079). The quality of the evidence was downgraded by risk of bias and indirectness; and the certainty of the evidence was low. CONCLUSION IT and RFA are independent and incomparable methods of measuring primary stability. Is important for clinicians to define only one method of evaluation for each implant.
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Affiliation(s)
- Frederico Santos Lages
- Department of Periodontology, Federal University of Minas Gerais, Belo Horizonte, Brazil
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Simmons DE, Maney P, Teitelbaum AG, Billiot S, Popat LJ, Palaiologou AA. Comparative evaluation of the stability of two different dental implant designs and surgical protocols-a pilot study. Int J Implant Dent 2017; 3:16. [PMID: 28466248 PMCID: PMC5411487 DOI: 10.1186/s40729-017-0078-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 04/22/2017] [Indexed: 11/23/2022] Open
Abstract
Background The purpose of this study was to compare a parallel wall design implant to a tapered apex design implant when placed in the posterior maxilla using two different surgical protocols. Methods Twenty-seven patients (30 implants) were divided into three groups. All implants were 4 mm wide in diameter and 8 mm long. Group A received 10 tapered implants (OSPTX) (Astra Tech OsseoSpeed TX™) using the soft bone surgical protocol (TXSoft). Group B received 10 tapered implants (OSPTX) (AstraTech OsseoSpeedTX™) using the standard surgical protocol (TXStd). Group C received 10 parallel wall implants (OSP) (AstraTech OsseoSpeed™) using the standard surgical protocol (OStd). All implants were placed in the posterior maxilla in areas with a minimum of 8-mm crestal bone height. Resonance frequency measurements (implant stability quotient (ISQ)) and torque values were recorded to determine initial implant stability. All implants were uncovered 6 weeks after placement and restored with a functionally loaded resin provisional screw-retained crown. Resonance frequency measurements were recorded at the time of implant placement, at 6 weeks and 6 and 12 months. Twelve months after implant placement, the stability of the implants was recorded and the final restorations were placed using custom CAD/CAM fabricated abutments and cement-retained PFM DSIGN porcelain crowns. After implant restoration, bone levels were measured at 6 and 12 months with standardized radiographs. Results Radiographic mean bone loss was less than 0.5 mm in all groups, with no statistically significant differences between the groups. Implant survival rate at 1 year was 93.3%, with 2/30 implants failing to integrate prior to functional loading at 6 weeks. No statistically significant difference was found between ISQ measurements between the three groups at all time intervals measured. Strong positive correlations were found between overall bone loss at 6 months and insertion torque at time of placement. A very weak correlation was found between insertion torque and ISQ values at time of implant placement. Conclusions Survival and stability of OSPTX and OSP implants is comparable. Osteotomy preparation by either standard or soft bone surgical protocol presented no significant effect on implant survival and stability for the specific implant designs.
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Affiliation(s)
- David E Simmons
- Department of Periodontics, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Avenue, New Orleans, LA, 70119, USA
| | - Pooja Maney
- Department of Periodontics, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Avenue, New Orleans, LA, 70119, USA
| | - Austin G Teitelbaum
- Department of Periodontics, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Avenue, New Orleans, LA, 70119, USA
| | - Susan Billiot
- Department of Periodontics, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Avenue, New Orleans, LA, 70119, USA
| | - Lomesh J Popat
- Tulane University SPHTM, 1440 Canal St, Suite 2001, New Orleans, LA, 70130, USA
| | - A Archontia Palaiologou
- Department of Periodontics, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Avenue, New Orleans, LA, 70119, USA.
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