Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 1.542
Filtrar
1.
Int J Oral Maxillofac Implants ; 36(1): 86-93, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33600527

RESUMEN

PURPOSE: Gingiva-resident memory B cells found recently in healthy periodontal tissue may play important roles in maintaining homeostasis against bacterial plaque. Whether resident memory B cells exist in healthy peri-implant tissue and how they respond in peri-implantitis lesions are of interest. The aim of this study was to preliminarily investigate whether memory B cell activities are related to inflamed or healthy peri-implant status. MATERIALS AND METHODS: Patients with peri-implantitis or healed implants were recruited. The gingiva samples were collected and divided into inflamed (n = 4), treated (n = 4), and healed (n = 3) groups, followed by a flow cytometry analysis staining with CD3, CD19, CD27, CD38, and RANKL. The biopsy samples were also cryo-embedded for immunofluorescent double staining of CD19 and CD27. RESULTS: CD27+ CD38+ ASC comprised 83.3% ± 3.3% of the total B cells in the inflamed group, and this proportion in the treated group was reduced to 44.5% ± 13.4%. The proportion of CD27+ CD3+ T cells was found to be unchanged between the inflamed and treated groups. Immunofluorescent staining indicated that CD19+ CD27+ population infiltrated peri-implant connective tissue. RANKL was expressed by almost all B cells and a portion of T cells in the inflamed group, while the proportions of RANKL+ B and T cells were significantly reduced in the treated group. Barely any memory B cells were detected in the healed group. CONCLUSION: Memory B cells were markedly activated in peri-implantitis and responded to the suprastructure removal treatment. The lack of gingiva-resident memory B cells in the clinically healed implants serves as a hint for the weakness of peri-implant tissue against bacterial plaque.


Asunto(s)
Implantes Dentales , Periimplantitis , Linfocitos B , Encía , Humanos , Proyectos Piloto
2.
Int J Oral Maxillofac Implants ; 36(1): 115-121, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33600531

RESUMEN

PURPOSE: Peri-implantitis, a potentially progressive disease that occurs in patients with dental implants, is more aggressive than periodontal lesions, which makes the prevention of peri-implantitis an important priority. Due to problems in the early detection of peri-implantitis, there is an urgent need for discovering novel biologic molecules with the ability of early diagnosis. The goal of this study was to profile the microRNA content of saliva samples collected from patients with titanium-aluminum-vanadium alloy dental implants who experienced peri-implantitis and to find potential diagnostic markers for detection of this disease. MATERIALS AND METHODS: The microRNA expression profiles of eight saliva samples (four collected from patients with peri-implantitis, four collected from patients who have successful implants) were investigated, and the deregulation of select microRNAs was further confirmed using quantitative polymerase chain reaction. RESULTS: The expressions of 179 microRNAs were found as deregulated in the saliva of peri-implantitis patients in comparison to controls. Then, downregulation of miR-4484 was confirmed in the saliva of peri-implantitis patients in a larger validation cohort. Also, 40% of non-peri-implantitis patients and 78% of peri-implantitis patients had significantly decreased miR-4484 expression in saliva samples collected after 4 to 6 months subsequent to implant placement compared with samples collected before implant placement. CONCLUSION: Considering these findings, microRNA content of saliva might be proposed as a plausible source for the early diagnosis of peri-implantitis, where miR-4484 might serve as an encouraging early diagnostic biomarker.


Asunto(s)
Implantes Dentales , MicroARNs , Periimplantitis , Biomarcadores , Implantes Dentales/efectos adversos , Diagnóstico Precoz , Humanos , MicroARNs/genética , Periimplantitis/diagnóstico , Saliva
3.
Int J Prosthodont ; 34: s21-s26, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33571324

RESUMEN

PURPOSE: To provide an overview of the influence of medical and geriatric factors on implant survival in order to form clinical recommendations for the practitioner. MATERIALS AND METHODS: This narrative literature review was performed to address the following questions: (1) Is age (> 75 years) a risk factor for implant survival?; (2) Is diabetes mellitus a risk factor for implant survival?; and (3) Is antiresorptive therapy a risk factor for implant survival? The PubMed, Web of Knowledge (Thomson Reuters), and Google Scholar databases were searched for systematic reviews and research papers of evidence level II and above that were published up to February 2019 for each topic. RESULTS: (1) Age > 75 years does not affect implant survival according to short-term follow up (1 to 5 years). However, polypharmacy should be considered in this patient group. (2) Diabetes mellitus is not a risk factor for implant survival in the short term, but there is no information on appropriate perioperative treatment and wound closure. There is little evidence in the literature on the success of bone grafting and progressive loading protocols in diabetic patients. (3) Implant therapy cannot be recommended in patients under high-dose bisphosphonate and antibody therapy. Bone grafting should be avoided under antiresorptive therapy. There are no treatment regimens available for patients with peri-implantitis receiving antiresorptive medication. CONCLUSION: This review suggests that the risk assessment for an implant patient should not be based on age, but rather on the patient's specific risk factors, such as former and current diseases and medication.


Asunto(s)
Conservadores de la Densidad Ósea , Implantes Dentales , Periimplantitis , Anciano , Implantación Dental Endoósea , Fracaso de la Restauración Dental , Humanos , Factores de Riesgo
4.
Int J Prosthodont ; 34: s27-s45, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33571325

RESUMEN

PURPOSE: To assess the prevalence of peri-implant diseases (ie, peri-implant mucositis and peri-implantitis) in patients rehabilitated with full-arch, implant-supported restorations. MATERIALS AND METHODS: A search protocol was developed to answer the following focus question: What is the prevalence of peri-implant diseases in edentulous patients rehabilitated with implant-supported fixed or removable restorations? RCTs, controlled clinical trials, and prospective studies with at least 12 months of follow-up and a minimum of 10 patients having at least one edentulous arch were searched. RESULTS: A total of 18 studies (3 RCTs, 1 nonrandomized controlled trial, and 14 prospective studies) were included. According to a single study, the prevalence of peri-implant mucositis in fully edentulous patients was 57%, corresponding to 47% at the implant level. The prevalence of peri-implant mucositis among patients having at least one edentulous arch ranged between 0% and 13.7% of patients, and from 0% to 20% of implants. In fully edentulous patients, the prevalence of peri-implantitis was found to range between 1.5% and 29.7% of patients and between 2.1% and 20.3% of the implants, while the corresponding values among the patients with at least one edentulous arch were 0% to 25% and 0% to 7.2%, respectively. CONCLUSION: Edentulous patients (fully edentulous or at least one edentulous arch) restored with either fixed or removable restorations were frequently affected by peri-implant disease.


Asunto(s)
Implantes Dentales , Periimplantitis , Prótesis Dental de Soporte Implantado , Fracaso de la Restauración Dental , Estudios de Seguimiento , Humanos , Periimplantitis/epidemiología , Prevalencia , Estudios Prospectivos
5.
Monogr Oral Sci ; 29: 133-143, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33427227

RESUMEN

During the last decade, photodynamic therapy (PDT) has been extensively investigated for the treatment of periodontal and peri-implant infections. Nonetheless, contradicting clinical and microbiological outcomes and only results on a short-term basis have been reported so far, thus making it difficult to conclude on clinically relevant recommendations for the use of PDT. Therefore, the aim of this narrative review is to provide an overview of the current evidence from randomized controlled clinical trials (RCTs) evaluating the potential clinical and/or microbiological benefit for the use of PDT in non-surgical periodontal and peri-implant therapy, and to draw clinically relevant conclusions on the use of PDT in periodontal practice. Based on the available evidence from RCTs and recent meta-analyses, we can conclude the following: in patients with mild to moderate periodontitis, the combination of scaling and root planing (SRP) and PDT may result in significantly higher clinical improvements (bleeding on probing and probing depth reduction, clinical attachment gain) compared to SRP alone in the non-surgical treatment of periodontitis; in patients with stage III and IV grade C periodontitis (previously known as AgP) the use of PDT provides clinical improvements, although PDT cannot so far be recommended as a replacement for systemic antibiotics (i.e., amoxicillin and metronidazole); PDT may be indicated as a valuable tool for treating moderate residual periodontal pockets during maintenance therapy; limited evidence on the use of PDT in medically compromised patients (i.e., diabetes mellitus, oral lichen planus) indicates that PDT may represent a possible alternative to other more invasive medication/treatment procedures; limited evidence suggests that PDT may represent a valuable tool in attaining inflammation reduction on a short-term basis in peri-implant diseases (i.e., peri-implantitis, peri-implant mucositis).


Asunto(s)
Implantes Dentales , Periimplantitis , Fotoquimioterapia , Raspado Dental , Humanos , Periimplantitis/tratamiento farmacológico , Aplanamiento de la Raíz
6.
Monogr Oral Sci ; 29: 98-104, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33427228

RESUMEN

The present narrative review provides a summary of the temporal and spatial reactions of the oral microbiome to the placement of a dental implant into the oral cavity, depicting the most important interactions between the oral microbiota and the host response involved in the development of peri-implant infections in humans (i.e., peri-implant mucositis and peri-implantitis). Starting with the formation of a pellicle to acute and rampant peri-implant inflammation, a number of steps, including biofilm formation, aggressive bacterial invasion, and host defense mechanisms, are involved. Better understanding of the factors related to the host response and changes in the composition of microbiota has led to the development of novel treatment modalities. Finally, a short outlook into the future is provided.


Asunto(s)
Implantes Dentales , Microbiota , Periimplantitis , Estomatitis , Bacterias , Implantes Dentales/efectos adversos , Humanos , Periimplantitis/etiología , Estomatitis/etiología
7.
Quintessence Int ; 52(2): 112-121, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33433077

RESUMEN

OBJECTIVE: Retrograde peri-implantitis (RPI) is defined as bone loss around an osseointegrated implant apex that usually appears within the first few months of its placement. This retrospective study aimed to evaluate the relationships between RPI and demographic factors, local bone and intraoral factors, and implant and surgery-related factors. METHOD AND MATERIALS: A retrospective study was conducted in 116 patients with a total of 369 implants placed between January and June 2019. The associations between RPI and the following data were evaluated: location of the recipient site, bone quality, reason for previous tooth loss, condition of adjacent teeth, marginal bone loss, immediate or late placement of implants, implant brand and size, activation of lesions, and treatment modality.
Results: Among the 14 (3.8%) implants that showed RPI, 10 (5.8%) were in the maxilla and four (?2.0%) were in the mandible, which were detected before prosthetic loading. There was no significant difference in terms of RPI between the arches. Of the 14 RPI implants, four (28.?6%) were placed into a previously periapical lesion site, three (21.4%) had endodontically treated adjacent teeth, two (14.3%) were immediately placed following extraction, three (?21.4%) revealed marginal bone loss, and one (7.1%) was lost at the abutment connection. Eight RPI implants healed spontaneously, while the remaining six were subjected to treatment (P = .05).
Conclusion: Local bone and intraoral factors, particularly the reason for tooth loss at the recipient site and the condition of the adjacent teeth, had stronger effects on RPI than other factors. (Quintessence Int 2021;52:112-121; doi: 10.3290/j.qi.a45264).


Asunto(s)
Pérdida de Hueso Alveolar , Implantes Dentales , Periimplantitis , Pérdida de Hueso Alveolar/diagnóstico por imagen , Pérdida de Hueso Alveolar/cirugía , Protocolos Clínicos , Implantación Dental Endoósea/efectos adversos , Implantes Dentales/efectos adversos , Humanos , Mandíbula , Periimplantitis/diagnóstico por imagen , Periimplantitis/terapia , Estudios Retrospectivos
8.
Quintessence Int ; 52(2): 122-131, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33433078

RESUMEN

Objective: The aim of this systematic review and meta-analysis was to evaluate the impact of supportive peri-implant therapy (SPIT) on the rates of peri-implant diseases and peri-implant marginal bone loss. ?Data sources: The guidelines of PRISMA statement were followed in searching for randomized controlled trials, controlled clinical trials, and retrospective studies in several electronic databases and reference lists. The Cochrane Collaboration's Risk of Bias tools for nonrandomized studies were used to assess the risk of bias. Data were analyzed using statistical software. ?A total of 159 studies were identified. Five trials, with 1,570 implants in 617 patients, met the inclusion criteria. Overall meta-analysis showed significantly reduced rates of peri-implantitis with SPIT compared with non-SPIT at implant and patient levels. Peri-implant mucositis was significantly reduced with SPIT at implant level only. Peri-implant marginal bone loss was significantly reduced in patients with SPIT compared to those who did not attend SPIT.
Conclusion: SPIT can significantly reduce the rate of peri-implantitis and marginal bone loss. The evidence on the role of SPIT in reducing the rate of peri-implant mucositis, on the other hand, remains limited. Further well-designed studies on the impact of SPIT on implant treatment outcome are still needed. Clinical significance: There is a need to adopt a SPIT regimen for patients receiving implant therapy to reduce the rate of peri-implant diseases and marginal bone loss. This need should be stipulated in the patient information and consent forms prior to implant therapy. (Quintessence Int 2021;52:122-131; doi: 10.3290/j.qi.a45428)

.


Asunto(s)
Pérdida de Hueso Alveolar , Implantes Dentales , Periimplantitis , Estomatitis , Humanos , Estudios Retrospectivos , Estomatitis/prevención & control
9.
J Biol Regul Homeost Agents ; 35(1 Suppl. 1): 11-18, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33463139

RESUMEN

Implant dentistry has emerged as a first line of treatment to replace missing teeth for both the edentulous and partially dentate patients. Implant dentistry is accompanied by the onset of peri-implantitis (PIM). PIM is characterized by the inflammatory destruction of the implant-supporting tissues, because of biofilm formation on the implant surface. A history of periodontitis, poor oral hygiene, and smoking are considered as risk factors for PIM. Occasionally PIM is associated with iatrogenic factors, that, only recently, have been acknowledged as direct cause of PIM, i.e.: non-parallel adjacent implants or the presence of a gap, between fixture and prosthetic components. The use both of traditional protocols of nonsurgical periodontal therapy and the laser seems to be an effective alternative treatment modality for PMI. By the application of laser-assisted non-surgical peri-implant therapy the periodontal pocket depth was reduced. The present article illustrates the nonsurgical management of one case, where failure to remove residual cement, from an implant-supported dental prosthesis, seemed to cause PMI.


Asunto(s)
Implantes Dentales , Periimplantitis , Implantes Dentales/efectos adversos , Odontología , Humanos , Rayos Láser , Periimplantitis/etiología , Periimplantitis/terapia , Bolsa Periodontal , Periodontitis/etiología , Periodontitis/terapia
10.
J Biol Regul Homeost Agents ; 35(1 Suppl. 1): 63-72, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33463144

RESUMEN

Implant dentistry has become a popular restorative option in clinical practice. Titanium and titanium alloys (TTA) are the gold standard for endo-osseus dental implants production, thanks to their biocompatibility, resistance to corrosion and mechanical properties. The characteristics of the TTA implant surface seem to be particularly relevant in the early phase of osseointegration. Furthermore, the microstructure of implant surface can largely influence the bone remodelling at the level of the bone-implant surface. Recently, research has stated on the long-term of both survival and success rates of osseointegrated implants and mainly on biomechanical aspects, such as load distribution and biochemical and histological processes at the bone-implant interface. This short review reports recent knowledge on chemical and mechanical properties, biological aspects, innovations in preventing peri-implantitis, describing clinical applications and recent improvements of TTA dental implants. In addition, it highlights current knowledge about a new implant coating that has been demonstrated to reduce the number of initially adhering bacteria and peri-implantitis.


Asunto(s)
Implantes Dentales , Aleaciones , Odontología , Humanos , Oseointegración , Periimplantitis , Propiedades de Superficie , Titanio
11.
ACS Appl Mater Interfaces ; 13(4): 5782-5794, 2021 Feb 03.
Artículo en Inglés | MEDLINE | ID: mdl-33464812

RESUMEN

Peri-implantitis is a typical pathological condition characterized by the destructive inflammation in the soft tissue and the progressive loss of supporting bones. As the current effective treatments and preventive measures are inconsistent and unpredictable, the use of biomaterials as carriers of bioactive ion coatings is a promising approach. However, the translation from lab to large-scale production and clinical applications is difficult due to a technology barrier. Determining the effective dosage of each ion to achieve an in vivo application of the in vitro screening is challenging. Here, we selected zinc and strontium ions to provide multiple effects on antibacterial activity and osteogenesis. The optimal coating with effective release concentrations of the two ions was obtained after the two-step screening from in vitro testing. The results showed that this type of in vivo bioactive ion usage leads to an enhanced osseointegration during the immediate implantation in a periodontitis-affected environment and prevents soft tissue inflammation and bone resorption in an inflammatory environment. The new biologically active ion screening method could verify the effectiveness of this clinical translation and its potential for large-scale production and could determine the effective dosage of each ion for a specific application.


Asunto(s)
Antibacterianos/uso terapéutico , Implantes Dentales , Periimplantitis/prevención & control , Estroncio/uso terapéutico , Zinc/uso terapéutico , Animales , Células Cultivadas , Materiales Biocompatibles Revestidos/uso terapéutico , Implantes Dentales/microbiología , Perros , Humanos , Oseointegración/efectos de los fármacos , Osteogénesis/efectos de los fármacos , Periimplantitis/microbiología , Ratas Sprague-Dawley , Estomatitis/microbiología , Estomatitis/prevención & control
12.
Zhonghua Kou Qiang Yi Xue Za Zhi ; 55(11): 814-818, 2020 Nov 09.
Artículo en Chino | MEDLINE | ID: mdl-33171552

RESUMEN

Due to the highly predictable long-term clinical outcomes, modern implant dentistry has become one of the most preferred treatment modalities for restoring missing teeth. However, the complications of implant therapy compromise the long-term implant success and remain a great challenge to clinicians. Hardware complications include the mechanical complications which are related to the manufacturer-fabricated components of the prosthesis, such as abutment/screw loosening, fracture and implant fracture; and the technical complication which are related to laboratory-fabricated components of the prosthesis, such as veneer chipping. The biological complications mainly include peri-implant mucositis and peri-implantitis. It is crucial to figure out how to effectively avoid and manage the complications of implant therapy. This article reported the definitions, incidences, risk factors, prevention and treatment of both mechanical and biological complications of implant therapy.


Asunto(s)
Implantes Dentales , Periimplantitis , Estomatitis , Pérdida de Diente , Implantes Dentales/efectos adversos , Prótesis Dental de Soporte Implantado , Fracaso de la Restauración Dental , Humanos , Periimplantitis/etiología , Periimplantitis/prevención & control
13.
Int J Periodontics Restorative Dent ; 40(6): e229-e233, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-33151189

RESUMEN

A link between periodontitis and cardiovascular disease has been reported in the literature. For this systematic review, the keywords "cardiovascular disease" (CVD) were combined with "periodontitis" and "peri-implantitis" and were used to search for literature published on MEDLINE and PubMed between 1990 and 2020. Hand searching was also performed. A total of 206 articles were identified, 51 of which were reviewed. A link between periodontal disease and CVD can be explained by both the infection and inflammatory pathways. Interventional studies on the treatment of periodontal disease related to CVD have shown conflicting results. Therefore, based on published studies, CVD should presently be considered a comorbidity of periodontitis (with an association but no direct cause and effect documented). The association of CVD with peri-implantitis has too few studies to draw any conclusions. More studies are necessary before any conclusions can be made between CVD and periodontitis and CVD and peri-implantitis regarding possible links and the extent of association.


Asunto(s)
Enfermedades Cardiovasculares , Implantes Dentales , Periimplantitis , Enfermedades Periodontales , Periodontitis , Enfermedades Cardiovasculares/epidemiología , Enfermedades Cardiovasculares/etiología , Implantes Dentales/efectos adversos , Humanos , Periimplantitis/epidemiología , Periimplantitis/etiología , Enfermedades Periodontales/complicaciones , Enfermedades Periodontales/epidemiología , Periodontitis/complicaciones , Periodontitis/epidemiología
14.
Artículo en Inglés | MEDLINE | ID: mdl-33151197

RESUMEN

The significance of keratinized mucosa around dental implants for the prevention of biologic complications has been a subject of controversy. Agreement, however, exists on the benefits provided to achieve more satisfactory oral hygiene measures and reduced clinical inflammation. A prospective interventional case series of 14 patients (31 implants) were examined every 3 months for up to 12 months. The effect of soft tissue conditioning by means of free autologous epithelial graft on the management of peri-implantitis with supracrestal and/or dehiscence-type defect morphology was evaluated. All clinical parameters were significantly reduced (P < .001), with complete disease resolution in 78.6% of the patients and 87.1% of the peri-implantitis implants. Unsuccessful cases were associated with less gain of keratinized mucosa, deep probing pocket depths, bleeding on probing, and less satisfaction during brushing at 12 months. Dimensional changes following soft tissue grafting were more significant during the first 3 months and led to a 42.4% shrinkage at 12 months. Soft tissue conditioning by means of free autologous epithelial graft in combination with apically positioned flap is a viable and effective therapy to manage peri-implantitis associated with deficient keratinized mucosa.


Asunto(s)
Implantes Dentales , Periimplantitis , Implantes Dentales/efectos adversos , Humanos , Higiene Bucal , Periimplantitis/cirugía , Estudios Prospectivos , Colgajos Quirúrgicos
15.
Georgian Med News ; (306): 147-151, 2020 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-33130663

RESUMEN

In this review, we have discussed the relationships between oral squamous cell carcinoma (OSCC) and dental implants. In the last decade, dental implants have been widely used for the treatment of complete or partial edentulism. Despite the fact that they have seen incredible success and the use of dental implants increases, concerns over safety and efficiency is rising as well. The literature analysis has shown that the number of reported cases when the OSCC development is associated with peri implantitis is gradually increasing. The possibility of squamous cell carcinoma development must be considered when evaluating the peri-implantitis. We highly recommend periodic oral and radiographic examination after the implant placement. The patients with peri-implantitis that do not respond to conventional treatment methods, and the patients who have a severe or rapid progression of peri-implantitis require biopsy. The histopathological examination will aid with the differential diagnosis between peri-implantitis and OSCC, and hence, provide the correct diagnosis.


Asunto(s)
Carcinoma de Células Escamosas , Implantes Dentales , Neoplasias de la Boca , Periimplantitis , Biopsia , Carcinoma de Células Escamosas/diagnóstico , Carcinoma de Células Escamosas/etiología , Implantes Dentales/efectos adversos , Diagnóstico Diferencial , Humanos , Neoplasias de la Boca/diagnóstico , Neoplasias de la Boca/etiología
16.
Minerva Stomatol ; 69(5): 286-294, 2020 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-33174712

RESUMEN

BACKGROUND: Peri-implantitis treatment is a very challenging topic to discuss. What is certain is that preventive/supportive therapy plays a key-role in peri-implant tissues' health maintenance and non-surgical implant surface mechanical debridement remains one of the solid pillars in the therapeutic pathway. In this perspective, many surface decontaminating methods have been proposed and tested to remove hard and soft bacterial deposits. The aim of this study was to compare four different commonly used non-surgical implant debridement methods in terms of cleaning potential in vitro, using a peri-implant pocket-simulating model. METHODS: Sixty-four dental implants were ink-stained and placed into a simulated peri-implant pocket. Samples were then divided into four groups and treated with different debridement methods: stainless-steel ultrasonic tip (PS), peek-coated ultrasonic tip (PI), sub-gingival air-polishing with erythritol powder (EHX) and sub-gingival air-polishing with glycine powder (GLY). For each treatment group, half of the samples were treated for 5 seconds and the other half for 45 seconds. High-resolution images were taken using a digital microscope and later analyzed with a light processing software for measuring the cleaned area percentage (ink-free). Two different images were captured for every sample: a first image with the implant positioned perpendicular to the microscope lenses (90°) and a second one with the implant placed with a 45° vertical angulation, with the smooth neck towards the ground. Percentage of removed ink was statistically modelled using a generalized linear mixed model with the implant as a random (clustering) factor. RESULTS: A paired comparison between all treatments in terms of debridement potential (cleaned area percentage) was performed. In 5s and with 90° sample angulation EHX/PS comparison showed an odds ratio of 2.75 (P<0.001), PI/EHX an OR of 0.20 (P<0.001), GLY/PS an OR of 2.90 (P<0.001), PI/GLY an OR of 0.19 (P<0.001) and PI/PS an OR of 0.56 (P=0.105). With the same sample angulation and 45s treatment time, the OR was 6.97 (P<0.001) for EHX/PS comparison, 0.14 (P<0.001) for PI/EHX comparison, 4.99 (P<0.001) for GLY/PS, 0.19 (P<0.001) for PI/GLY and 0.95 for PI/PS (P =0.989). With 5s of treatment time and 45° sample angulation, EHX/PS comparison shows a 3.19 odds ratio (P<0.001), PI/EHX a 0.14 odds ratio (P<0.001), GLY/PS a 3.06 odds ratio (P<0.001), PI/GLY a 0.15 odds ratio (P<0.001) and PI/PS a 0.46 odds ratio (P=0.017). With the same sample angulation but 45s treatment time, EHX/PS comparison produced an odds ratio of 4.90 (P<0.001), PI/EHX an OR of 0.20 (P<0.001), GLY/PS an OR of 8.74 (P<0.001), PI/GLY an OR of 0.11 (P<0.001) and PI/PS an OR 0.96 of (P =0.996). CONCLUSIONS: Among the four treatments considered, air-polishing therapy represents the best one in terms of ink removal from the implant surface. Furthermore, increasing the treatment time to 45 seconds, air-polishing resulted considerably more efficient.


Asunto(s)
Implantes Dentales , Periimplantitis , Desbridamiento , Encía , Humanos , Periimplantitis/terapia , Polvos
17.
Med. oral patol. oral cir. bucal (Internet) ; 25(6): e720-e727, nov. 2020. ilus, tab
Artículo en Inglés | IBECS | ID: ibc-197178

RESUMEN

BACKGROUND: Few studies have reported the outcomes of immediate placement at infected post-extraction sites. The aim of this study was to compare clinical and radiological outcomes of immediately placed implants with im-mediate prosthetic provisionalization in sockets with or without acute periapical pathology. MATERIAL AND METHODS: A total of 100 patients with immediately placed implants with immediate provisionalization and 1- year of follow up were included (50 patients with acute periapical pathology and a control group of 50 patients without acute periapical pathology). Clinical parameters (bleeding on probing, buccal keratinized mucosa width, clinical recession, and probing depth) and radiological parameters (distance from implant shoulder to first point of bone-to-implant contact [IS-BIC]) were assessed. RESULTS: Clinical parameters showed no significant differences between the study and control groups after 1-year follow up (p > 0.05). IS-BIC presented the following values: 0.35 ± 0.51 mm (study group) and 0.15 ± 0.87 mm (control), without significant differences between the groups (p = 0.160). None of the 50 radiographs of immediate implants placed in sockets with periapical pathology revealed retrograde peri-implantitis. CONCLUSIONS: Immediate placement of implants with immediate prosthetic provisionalization at sites with acute periapical pathology can be a successful treatment modality for at least 1-year


No disponible


Asunto(s)
Humanos , Masculino , Femenino , Adulto , Persona de Mediana Edad , Implantación Dental Endoósea/métodos , Extracción Dental/métodos , Implantes Dentales , Estudios Prospectivos , Factores de Tiempo , Estudios de Seguimiento , Periimplantitis/cirugía , Resultado del Tratamiento
18.
Med. oral patol. oral cir. bucal (Internet) ; 25(6): e784-e790, nov. 2020. tab
Artículo en Inglés | IBECS | ID: ibc-197187

RESUMEN

BACKGROUND: This study investigated the causes of dental implant removal due to complications, and examined whether patients who had dental implant removal desired re-implant prosthesis treatments. MATERIAL AND METHODS: A retrospective case–control study was conducted on patients who had their dental implants removed. We investigated whether the removed dental implant was replaced with other implant prostheses. Age, sex, diabetes, smoking, implant site distribution, reason for implant removal, and blade and root-form implants were categorized as predictive variables. The outcome variable was desire for re-implantation or use of other prosthetic methods after implant removal. A logistic regression model was created to identify patient factors that could predict the re-implantation of dental prostheses after implant removal. RESULTS: A total of 215 dental implants were removed from 143 patients. The most common reason for implant removal was peri-implantitis that was identified in 165 implants. After implant removal, re-implantation was per-formed in 98 implants (45.6%). Bivariate analyses showed that age, diabetes, implant type, and reason for implant removal were associated with the desire for re-implanted prostheses. The multiple regression model revealed that age, implant type, and reason for implant removal were associated with an increased desire for re-implant pros-theses after implant removal. CONCLUSIONS: Re-implantation of prostheses after the removal of dental implants was desired by patients who were younger, had implants placed in the root form, and had implants removed due to prosthetic-related complications


No disponible


Asunto(s)
Humanos , Masculino , Femenino , Persona de Mediana Edad , Anciano , Anciano de 80 o más Años , Remoción de Dispositivos/estadística & datos numéricos , Implantes Dentales/efectos adversos , Estudios Retrospectivos , Modelos Logísticos , Factores de Riesgo , Distribución por Edad y Sexo , Periimplantitis/complicaciones
19.
Shanghai Kou Qiang Yi Xue ; 29(4): 400-404, 2020 Aug.
Artículo en Chino | MEDLINE | ID: mdl-33089290

RESUMEN

PURPOSE: To study the effect of chlorhexidine combined with mechanical debridement on peri-implant inflammation and the influence on SF-36 score of patients. METHODS: One hundred patients with peri-implantitis admitted to Zhejiang Provincial People's Hospital from January 2015 to January 2019 were selected and randomly divided into control group and combined group with 50 cases in each group according to random number table method.Patients in both groups were treated with mechanical debridement, and patients in the combined group were gargled with chlorhexidine gargle apart from mechanical debridement. Plaque biofilm average activity and modified plaque index (mPLI), bleeding on probing (BOP), modified sulcus bleeding index (mSBI), probing the depth (PPD), clinical attachment level(AL) were measured before and after treatment. Sf-36 scale and VAS visual pain score were used to evaluate the quality of life and pain degree of patients, and the therapeutic effect and incidence of complications were assessed. The data were analyzed with SPSS 20.0 software package. RESULTS: There was no significant difference in average activity, mPLI, mSBI, AL, PPD, BOP, VAS and SF-36 scores between the two groups before treatment(P>0.05); after treatment, the average activity, mPLI, mSBI, AL, PPD, BOP and VAS scores of plaque biofilm in the combined group were significantly lower than those of the control group, and the total effective rate of SF-36 score was significantly higher than that of the control group. The total effective rate of the combined group was significantly higher than that of the control group(P<0.05). The incidence of complications in the combined group was significantly lower than that in the control group(P<0.05). CONCLUSIONS: Chlorhexidine combined with mechanical debridement is an effective treatment of peri-implantitis, which can effectively inhibit plaque biofilm activity and plaque formation, alleviate pain and improve the quality of life of patients.


Asunto(s)
Clorhexidina , Periimplantitis , Clorhexidina/uso terapéutico , Desbridamiento , Índice de Placa Dental , Humanos , Periimplantitis/tratamiento farmacológico , Calidad de Vida
20.
J Oral Implantol ; 46(4): 423-429, 2020 Aug 01.
Artículo en Inglés | MEDLINE | ID: mdl-33031546

RESUMEN

The aim of this case report was to report the course of treatment for advanced paranasal sinus infection triggered by peri-implantitis, managed using functional endoscopic sinus surgery (FESS), with outcomes. A nonsmoking male patient received sinus augmentation with implant placement on his left posterior maxilla 15 years ago. Possibly due to noncompliance to maintenance, peri-implantitis developed and progressed into the augmented bone area in the maxilla. Eventually, maxillary sinusitis occurred concomitantly with a spread of the infection to the other paranasal sinuses. Implant removal and intraoral debridement of inflammatory tissue were performed, but there was no resolution. Subsequently, FESS was performed, with removal of nasal polyp and sequestrum. After FESS, the patient's sinusitis resolved. Histologically, the sequestrum was composed of bone substitute particles, necrotic bone, stromal fibrosis, and a very limited cellular component. Two implants were placed on the present site, and no adverse event occurred for up to 1 year after the insertion of the final prosthesis. Peri-implantitis in the posterior maxilla can trigger maxillary sinusitis with concomitant infection to the neighboring paranasal sinuses. FESS should be considered to treat this condition.


Asunto(s)
Implantes Dentales , Sinusitis Maxilar , Periimplantitis , Implantes Dentales/efectos adversos , Humanos , Masculino , Maxilar , Seno Maxilar , Sinusitis Maxilar/diagnóstico por imagen , Sinusitis Maxilar/etiología , Sinusitis Maxilar/cirugía , Periimplantitis/diagnóstico por imagen , Periimplantitis/etiología , Periimplantitis/cirugía
SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA
...