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Terzioglu B, Ayyildiz BG. Effect of supracrestal tissue height on marginal bone level changes at platform-switching dental implants placed crestally and subcrestally: A randomized clinical-trial. J Dent 2024; 148:105219. [PMID: 38960001 DOI: 10.1016/j.jdent.2024.105219] [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: 02/03/2024] [Revised: 06/14/2024] [Accepted: 06/28/2024] [Indexed: 07/05/2024] Open
Abstract
OBJECTIVES The presence of insufficient peri-implant supracrestal tissue height (STH) may increase marginal bone resorption. This study aims to evaluate the effect of STH on marginal bone level changes (ΔMBC) in platform-switching posterior implants placed crestally and subcrestally. METHODS A total of 80 implants were included in this study. There were two main groups in the study; STH≤2 mm (A) and STH> 2 mm (B) and four subgroups according to the implant placement level, crestally (I) and subcrestally (II): A-I, A-II, B-I, and B-II. Intraoperatively, STH and placement depths of implants were measured from mesial and distal aspects. The mesial and distal peri-implant marginal bone levels were measured on periapical radiographs at immediately (T0), 6 months (T1), 9 months (T2), and 12 months (T3) after functional loading, and the difference between the marginal bone levels was calculated as the ΔMBC. RESULTS Statistically significantly more mesial ΔMBC was detected in the A-I than in the B-I at the time of T0-T1. In the group with STH greater than 2 mm, the difference in ΔMBC between the crestally and subcrestally placements was not statistically significant. CONCLUSIONS This study was found that STH is effective at protecting the marginal bone in the early period, and in cases where the STH is insufficient, subcrestally placement may increase long-term implant success by preventing marginal bone loss from occurring beyond the implant shoulder. The clinical trial number is NCT05595746. CLINICAL SIGNIFICANCE In this study, it was demonstrated that an STH greater than 2 mm is important for marginal bone stabilization, regardless of crestal and subcrestal levels, and that subcrestally placement is beneficial in cases of insufficient STH.
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Affiliation(s)
- Busra Terzioglu
- Kutahya Health Sciences University, Tavsanli Vocational School of Health Services, Kutahya, Turkey; Kutahya Health Sciences University, Faculty of Dentistry, Department of Periodontology, Kutahya, Turkey.
| | - Berceste Guler Ayyildiz
- Kutahya Health Sciences University, Faculty of Dentistry, Department of Periodontology, Kutahya, Turkey.
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Quispe-López N, Gómez-Polo C, Zubizarreta-Macho Á, Montero J. How do the dimensions of peri-implant mucosa affect marginal bone loss in equicrestal and subcrestal position of implants? A 1-year clinical trial. Clin Implant Dent Relat Res 2024; 26:442-456. [PMID: 38282266 DOI: 10.1111/cid.13306] [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] [Received: 11/04/2023] [Revised: 01/11/2024] [Accepted: 01/13/2024] [Indexed: 01/30/2024]
Abstract
INTRODUCTION There is evidence that the apico-coronal implant position and the mucosal phenotype can affect the extent of peri-implant bone loss. This clinical trial analyzes the bone remodeling and marginal bone loss that occur around conical-connection implants placed equicrestally and subcrestally, assessing the effect of the peri-implant soft-tissue phenotype. METHODS Fifty-one patients received 56 implants of distinct diameters (3.5 mm Ø n = 6; 4.3 mm Ø n = 41; 5 mm Ø n = 9) in the posterior part of the maxilla or mandible. The implants were placed equicrestally, 1 mm subcrestally and >1 mm subcrestally, depending on the initial supracrestal tissue height (STH). After 3 months of non-submerged healing, single metal-ceramic screw-retained implant-supported crowns were placed. Longitudinal measurements of STH, mucosal thickness and keratinized mucosa width (KMW) were made at the time of implant placement (T0), crown placement (T1), and after 3 (T2) and 6 months (T3) of prosthetic loading. At each of these points, a radiographic evaluation of bone remodeling and marginal bone loss was also performed. RESULTS STH was significantly greater for implants placed >1 mm subcrestally than for those placed 1 mm subcrestally. After 12 months of follow-up, a very significant (p < 0.001) loss of KMW was observed, in addition to a marginal bone loss of 0.08 ± 0.1, 0.15 ± 0.2, and 0.14 ± 0.2 mm in the groups placed equicrestally, 1 mm subcrestally and >1 mm subcrestally, respectively. After the multiple linear regression, marginal bone loss was found to depend primarily on KMW (β = -0.43), while also being affected by STH (β = 0.32) and implant diameter (β = -0.28). CONCLUSIONS Marginal bone loss may be influenced by the position with respect to the bone crest, as well as the KMW, STH, and implant diameter. However, more well-controlled studies are needed to verify these above-mentioned findings with different implant designs and connections.
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Affiliation(s)
- Norberto Quispe-López
- Department of Surgery, Faculty of Medicine, Dental Clinic, University of Salamanca, Campus Miguel de Unamuno, Salamanca, Spain
| | - Cristina Gómez-Polo
- Department of Surgery, Faculty of Medicine, Dental Clinic, University of Salamanca, Campus Miguel de Unamuno, Salamanca, Spain
| | - Álvaro Zubizarreta-Macho
- Department of Surgery, Faculty of Medicine, Dental Clinic, University of Salamanca, Campus Miguel de Unamuno, Salamanca, Spain
| | - Javier Montero
- Department of Surgery, Faculty of Medicine, Dental Clinic, University of Salamanca, Campus Miguel de Unamuno, Salamanca, Spain
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D’Addazio G, Manciocchi E, Tafuri G, Schiavone R, Murmura G, Mavriqi L, Sinjari B, Caputi S. Long-Term Efficacy of Chlorhexidine Gel in Single-Crown Implant Rehabilitation: A Five-Year Follow-Up Study. Dent J (Basel) 2023; 11:228. [PMID: 37886913 PMCID: PMC10605130 DOI: 10.3390/dj11100228] [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: 07/27/2023] [Revised: 09/07/2023] [Accepted: 09/21/2023] [Indexed: 10/28/2023] Open
Abstract
Chlorhexidine digluconate (CHX) has shown the ability to significantly reduce inflammation and marginal bone loss (MBL) at the 1-year follow-up but limited data exist regarding its long-term efficacy in peri-implant stability. The objective was to compare the long-term effects (5 years of follow-up) of a placebo gel (16 patients in Group A) or a 0.20% CHX gel (15 patients in Group B) used at each previous surgical and prosthetic stage. Control visits were conducted in 2022, investigating the long-term effects by biological, radiological, and clinical evaluation. The data were statistically analyzed. The research achieved a 96.7% implant success rate over five years, but 41.9% of patients did not attend annual oral hygiene check-ups. The average MBL was 1.04 ± 0.39 mm, with no significant differences between the two groups. Notably, patients who attended regular periodontal check-ups experienced significantly less MBL than those who did not (p < 0.05). At five years, direct effects of CHX were absent, with both groups showing moderate bone loss. However, the results suggest that early disinfection could enhance both short- and long-term outcomes. In fact, patients with initial minor MBL due to use of CHX, preserve this advantage also after 5 years of follow-up. Additionally, the data underscore the importance of annual check-ups in early detection and management of biological complications.
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Affiliation(s)
- Gianmaria D’Addazio
- Unit of Prosthodontics, Department of Innovative Technologies in Medicine and Dentistry, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (G.D.); (E.M.); (G.T.); (R.S.); (G.M.); (S.C.)
- Electron Microscopy Laboratory, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Eugenio Manciocchi
- Unit of Prosthodontics, Department of Innovative Technologies in Medicine and Dentistry, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (G.D.); (E.M.); (G.T.); (R.S.); (G.M.); (S.C.)
- Electron Microscopy Laboratory, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Giuseppe Tafuri
- Unit of Prosthodontics, Department of Innovative Technologies in Medicine and Dentistry, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (G.D.); (E.M.); (G.T.); (R.S.); (G.M.); (S.C.)
- Electron Microscopy Laboratory, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Ruggero Schiavone
- Unit of Prosthodontics, Department of Innovative Technologies in Medicine and Dentistry, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (G.D.); (E.M.); (G.T.); (R.S.); (G.M.); (S.C.)
| | - Giovanna Murmura
- Unit of Prosthodontics, Department of Innovative Technologies in Medicine and Dentistry, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (G.D.); (E.M.); (G.T.); (R.S.); (G.M.); (S.C.)
- Electron Microscopy Laboratory, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Luan Mavriqi
- Department of Dentistry, Albanian University, 1001 Tirana, Albania;
| | - Bruna Sinjari
- Unit of Prosthodontics, Department of Innovative Technologies in Medicine and Dentistry, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (G.D.); (E.M.); (G.T.); (R.S.); (G.M.); (S.C.)
- Electron Microscopy Laboratory, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Sergio Caputi
- Unit of Prosthodontics, Department of Innovative Technologies in Medicine and Dentistry, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (G.D.); (E.M.); (G.T.); (R.S.); (G.M.); (S.C.)
- Electron Microscopy Laboratory, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
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Troiano G, Fanelli F, Rapani A, Zotti M, Lombardi T, Zhurakivska K, Stacchi C. Can radiomic features extracted from intra-oral radiographs predict physiological bone remodelling around dental implants? A hypothesis-generating study. J Clin Periodontol 2023; 50:932-941. [PMID: 36843362 DOI: 10.1111/jcpe.13797] [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] [Received: 11/14/2022] [Revised: 02/02/2023] [Accepted: 02/19/2023] [Indexed: 02/28/2023]
Abstract
AIM The rate of physiological bone remodelling (PBR) occurring after implant placement has been associated with the later onset of progressive bone loss and peri-implantitis, leading to medium- and long-term implant therapy failure. It is still questionable, however, whether PBR is associated with specific bone characteristics. The aim of this study was to assess whether radiomic analysis could reveal not readily appreciable bone features useful for the prediction of PBR. MATERIALS AND METHODS Radiomic features were extracted from the radiographs taken at implant placement (T0) using LifeX software. Because of the multi-centre design of the source study, ComBat harmonization was applied to the cohort. Different machine-learning models were trained on selected radiomic features to develop and internally validate algorithms capable of predicting high PBR. In addition, results of the algorithm were included in a multivariate analysis with other clinical variables (tissue thickness and depth of implant position) to test their independent correlation with PBR. RESULTS Specific radiomic features extracted at T0 are associated with higher PBR around tissue-level implants after 3 months of unsubmerged healing (T1). In addition, taking advantage of machine-learning methods, a naive Bayes model was trained using radiomic features selected by fast correlation-based filter (FCBF), which showed the best performance in the prediction of PBR (AUC = 0.751, sensitivity = 66.0%, specificity = 68.4%, positive predictive value = 73.3%, negative predictive value = 60.5%). In addition, results of the whole model were included in a multivariate analysis with tissue thickness and depth of implant position, which were still found to be independently associated with PBR (p-value < .01). CONCLUSION The combination of radiomics and machine-learning methods seems to be a promising approach for the early prediction of PBR. Such an innovative approach could be also used for the study of not readily disclosed bone characteristics, thus helping to explain not fully understood clinical phenomena. Although promising, the performance of the radiomic model should be improved in terms of specificity and sensitivity by further studies in this field.
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Affiliation(s)
- Giuseppe Troiano
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Francesco Fanelli
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Antonio Rapani
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Matteo Zotti
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Teresa Lombardi
- Department of Health Sciences, University "Magna Graecia", Catanzaro, Italy
| | - Khrystyna Zhurakivska
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Claudio Stacchi
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
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Stefanini M, Rendón A, Zucchelli A, Sangiorgi M, Zucchelli G. Avoiding errors and complications related to immediate implant placement in the esthetic area with a mucogingival approach. Periodontol 2000 2023; 92:362-372. [PMID: 37365042 DOI: 10.1111/prd.12491] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Accepted: 04/07/2023] [Indexed: 06/28/2023]
Abstract
Immediate implant placement is considered the treatment of choice for single tooth replacement in the esthetic area. However, this treatment is associated with several critical drawbacks related to the inadequate assessment/management of the soft and hard peri-implant tissues and their subsequent remodeling, resulting in peri-implant soft-tissue defects that can lead to impaired esthetic outcomes in time. We describe in detail how the mucogingival approach to immediate implant placement ensures a standard result regardless of the baseline soft-hard tissue situation. Fully guided implant placement guarantees an adequate three-dimensional implant placement, the flap design makes it possible to perform bone augmentation with complete visibility of the area being treated, allows soft tissue augmentation with proper fixation of the connective tissue graft, and the placement of an immediate provisional ensures stabilization of the peri-implant tissues throughout the healing period.
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Affiliation(s)
- Martina Stefanini
- Department of Biomedical and Neuromotor Sciences, Periodontology Unit, Bologna University, Bologna, Italy
| | - Alexandra Rendón
- Department of Biomedical and Neuromotor Sciences, Periodontology Unit, Bologna University, Bologna, Italy
| | | | - Matteo Sangiorgi
- Department of Biomedical and Neuromotor Sciences, Periodontology Unit, Bologna University, Bologna, Italy
| | - Giovanni Zucchelli
- Department of Biomedical and Neuromotor Sciences, Periodontology Unit, Bologna University, Bologna, Italy
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA
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Cicciù M, Pratella U, Fiorillo L, Bernardello F, Perillo F, Rapani A, Stacchi C, Lombardi T. Influence of buccal and palatal bone thickness on post-surgical marginal bone changes around implants placed in posterior maxilla: a multi-centre prospective study. BMC Oral Health 2023; 23:309. [PMID: 37217911 DOI: 10.1186/s12903-023-02991-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 04/26/2023] [Indexed: 05/24/2023] Open
Abstract
BACKGROUND Numerous clinical variables may influence early marginal bone loss (EMBL), including surgical, prosthetic and host-related factors. Among them, bone crest width plays a crucial role: an adequate peri-implant bone envelope has a protective effect against the influence of the aforementioned factors on marginal bone stability. The aim of the present study was to investigate the influence of buccal and palatal bone thickness at the time of implant placement on EMBL during the submerged healing period. METHODS Patients presenting a single edentulism in the upper premolar area and requiring implant-supported rehabilitation were enrolled following inclusion and exclusion criteria. Internal connection implants (Twinfit, Dentaurum, Ispringen, Germany) were inserted after piezoelectric implant site preparation. Mid-facial and mid-palatal thickness and height of the peri-implant bone were measured immediately after implant placement (T0) with a periodontal probe and recorded to the nearest 0.5 mm. After 3 months of submerged healing (T1), implants were uncovered and measurements were repeated with the same protocol. Kruskal-Wallis test for independent samples was used to compare bone changes from T0 to T1. Multivariate linear regression models were built to assess the influence of different variables on buccal and palatal EMBL. RESULTS Ninety patients (50 females, 40 males, mean age 42.9 ± 15.1 years), treated with the insertion of 90 implants in maxillary premolar area, were included in the final analysis. Mean buccal and palatal bone thickness at T0 were 2.42 ± 0.64 mm and 1.31 ± 0.38 mm, respectively. Mean buccal and palatal bone thickness at T1 were 1.92 ± 0.71 mm and 0.87 ± 0.49 mm, respectively. Changes in both buccal and palatal thickness from T0 to T1 resulted statistically significant (p = 0.000). Changes in vertical bone levels from T0 to T1 resulted not significant both on buccal (mean vertical resorption 0.04 ± 0.14 mm; p = 0.479) and palatal side (mean vertical resorption 0.03 ± 0.11 mm; p = 0.737). Multivariate linear regression analysis showed a significant negative correlation between vertical bone resorption and bone thickness at T0 on both buccal and palatal side. CONCLUSION The present findings suggest that a bone envelope > 2 mm on the buccal side and > 1 mm on the palatal side may effectively prevent peri-implant vertical bone resorption following surgical trauma. TRIAL REGISTRATION The present study was retrospectively recorded in a public register of clinical trials ( www. CLINICALTRIALS gov - NCT05632172) on 30/11/2022.
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Affiliation(s)
- Marco Cicciù
- School of Dentistry, Department of General Surgery and Surgical-Medical Specialties, University of Catania, Catania, 95124, Italy
| | | | - Luca Fiorillo
- School of Dentistry, Department of General Surgery and Surgical-Medical Specialties, University of Catania, Catania, 95124, Italy
- Multidisciplinary Department of Medical-Surgical and Odontostomatological Specialties, University of Campania "Luigi Vanvitelli", Naples, 80121, Italy
- School of Dentistry, Aldent University, Tirana, 1001, Albania
| | | | | | - Antonio Rapani
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, 34125, Italy.
| | - Claudio Stacchi
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, 34125, Italy
| | - Teresa Lombardi
- Department of Health Sciences, Magna Graecia University, Catanzaro, 88100, Italy
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Stacchi C, Lamazza L, Rapani A, Troiano G, Messina M, Antonelli A, Giudice A, Lombardi T. Marginal bone changes around platform-switched conical connection implants placed 1 or 2 mm subcrestally: A multicenter crossover randomized controlled trial. Clin Implant Dent Relat Res 2023; 25:398-408. [PMID: 36725016 DOI: 10.1111/cid.13186] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/04/2023] [Accepted: 01/16/2023] [Indexed: 02/03/2023]
Abstract
INTRODUCTION This study analyzes early marginal bone modifications occurring around platform-switched implants with conical connection placed 1 or 2 mm subcrestally. METHODS This crossover randomized controlled trial enrolled partially edentulous patients needing two implants in either the posterior maxilla or mandible. Each patient received two platform-switched implants with conical connection inserted 2 mm (Test) and 1 mm (Control) subcrestally. Definitive abutments were immediately connected and, after 4 months of unsubmerged healing, screwed metal-ceramic crowns were delivered. Radiographs were taken at implant placement (T0), prosthesis delivery (T1), and after 1 year of prosthetic loading (T2). RESULTS Fifty-one patients (25 males and 26 females; mean age 61.2 ± 12.1 years) totaling 102 implants were included in the final analysis. Mean peri-implant bone level (PBL) reduction from T0 to T2 was not significantly different around Test (0.49 ± 0.32 mm) and Control implants (0.46 ± 0.35 mm; p = 0.66). Multivariate linear regression models highlighted a significant positive correlation between history of periodontitis and PBL reduction. At T2, no Test group implant and 6 Control group implants exhibited PBL below the implant platform (11.8% of Control group implants). CONCLUSION No significant differences in peri-implant marginal bone changes were demonstrated after 1 year of prosthetic loading between platform-switched implants with conical connection inserted either 1 or 2 mm subcrestally. However, 2 mm subcrestal placement resulted in deeper implant positioning at T2, with no exposure of treated implant surface and potential preventive effect against subsequent peri-implant pathology.
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Affiliation(s)
- Claudio Stacchi
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Luca Lamazza
- Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, Rome, Italy
| | - Antonio Rapani
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Giuseppe Troiano
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | | | | | - Amerigo Giudice
- Department of Health Sciences, Magna Graecia University, Catanzaro, Italy
| | - Teresa Lombardi
- Department of Health Sciences, Magna Graecia University, Catanzaro, Italy
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Monje A, González-Martín O, Ávila-Ortiz G. Impact of peri-implant soft tissue characteristics on health and esthetics. J ESTHET RESTOR DENT 2023; 35:183-196. [PMID: 36650691 DOI: 10.1111/jerd.13003] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/13/2022] [Accepted: 12/13/2022] [Indexed: 01/19/2023]
Abstract
OBJECTIVE To review the impact of key peri-implant soft tissue characteristics on health and esthetics. MAIN CONSIDERATIONS The keratinized mucosa width (KMW), the mucosal thickness (MT), and the supracrestal tissue height (STH) are essential components of the peri-implant soft tissue phenotype. An inadequate KMW (<2 mm) has been associated with local discomfort upon oral hygiene performance and increased risk for the onset of peri-implant diseases. A minimum buccal MT (≥2 mm) is generally required to prevent esthetic issues related to the effect of transmucosal prosthetic elements on the color of the mucosa and can also contribute to long-term mucosal stability. STH is directly related to marginal bone remodeling patterns during the early healing process that follows the connection of transmucosal prosthetic components. Short STH, generally defined as <3 mm, has been consistently associated with marginal bone loss resulting from the physiologic establishment of the mucosal seal. Insufficient STH may also derive into the fabrication of unfavorable transmucosal prosthetic contours, which frequently results in unpleasing esthetic outcomes and predisposes to submarginal biofilm accumulation. Peri-implant soft tissue dehiscences (PISTDs) are a type of peri-implant deformity that are associated with esthetic issues and often occur in sites presenting KMW, MT, and/or STH deficiencies. PISTDs should be correctly diagnosed and treated accordingly, usually by means of multidisciplinary therapy. CONCLUSION Understanding the impact of different dimensional and morphologic features of the peri-implant mucosa on health and esthetic outcomes is fundamental to make appropriate clinical decisions in the context of tooth replacement therapy with implant-supported prostheses.
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Affiliation(s)
- Alberto Monje
- Department of Periodontology and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA.,Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain.,Department of Periodontology, University of Bern, Bern, Switzerland
| | - Oscar González-Martín
- Private Practice, Atelier Dental Madrid, Madrid, Spain.,Department of Periodontology, Complutense University of Madrid, Madrid, Spain
| | - Gustavo Ávila-Ortiz
- Private Practice, Atelier Dental Madrid, Madrid, Spain.,Department of Oral Medicine, Infection, and Immunity, Harvard School of Dental Medicine, Boston, USA.,Department of Periodontics, University of Iowa College of Dentistry, Iowa City, Iowa, USA
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