Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 1.634
Filtrar
1.
Artículo en Inglés | MEDLINE | ID: mdl-33819323

RESUMEN

A clinical case series of three patients is presented using a novel implant design to not only address primary stability but also to prevent damage to the labial bone plate and improve the interdental space for papillae preservation with immediate tooth replacement therapy. This unique implant design features an apicocoronal inverted body-shift in diameter (wide to narrow), shape (tapered to cylindrical), thread depth (deep to shallow), and thread pattern (V-shaped to square) to achieve uncompromised primary stability and esthetics, particularly in extraction sockets, in a singular body form. In addition, the implant possesses a prosthetic angle correction within the implant body to facilitate screw-retention of the restoration and avoid the risk of apical socket perforation.


Asunto(s)
Implantes Dentales de Diente Único , Implantes Dentales , Carga Inmediata del Implante Dental , Estética Dental , Humanos , Extracción Dental , Alveolo Dental/diagnóstico por imagen , Alveolo Dental/cirugía
2.
São Paulo; s.n; 20210219. 83 p.
Tesis en Portugués | LILACS, BBO - Odontología | ID: biblio-1147711

RESUMEN

A estabilidade primária dos implantes é uma etapa muito importante que pode tornar-se determinante no sucesso das reabilitações protéticas. A integração entre tecido ósseo e implantes leva um tempo determinado para ocorrer. Algumas formas de terapêutica podem ser usadas com o intuito de diminuir e acelerar esse tempo de osseointegração. Em nosso estudo foram selecionados 20 pacientes que necessitavam de exodontias em molares inferiores bilaterais. As exodontias foram realizadas nomesmomomento cirúrgico, onde um lado foi o controle e o outro recebeu a Terapia da Fotobiomodulação (PBMT) nos momentos: imediatamente pós-cirurgia, após 24, 48, 72, 96 horas, e 7 e 15 dias (a aplicação da PBMT seguiu o protocolo de cegamento). Após 45 dias das exodontias foram instalados os implantes e a estabilidade primária destes foi avaliada pela Análise de Frequência de Ressonância (RFA) por meio de Osstell® (na escala ISQ). Após 90 dias da instalação dos implantes, no momento da reabertura, foi realizada novamente a mensuração da estabilidade com Osstell® ISQ. Com os valores obtidos foram realizados os testes estatísticos de média, desvio padrão, teste t pareado do lado controle e do lado onde foi aplicado a PBMT, nos dois tempos (momento da instalação dos implantes e após 90 dias) de todos os pacientes da pesquisa. Concluímos que a utilização do Osstell® ISQ após a aplicação da PBMT, não apresentou efeitos estatisticamente significativos quando avaliamos o ISQ em diferentes momentos (P=0,488; P=0,520; P=0,356; P=0,621).


Asunto(s)
Carga Inmediata del Implante Dental , Análisis de Frecuencia de Resonancia
3.
Artículo en Inglés | MEDLINE | ID: mdl-33528448

RESUMEN

The aim of this article is to propose a simplified digital protocol for the treatment of the fully edentulous patient, using an immediate implant and immediate loading protocol to deliver a polymethyl methacrylate metal-reinforced hybrid prosthesis. Ten consecutive patients were treated with this approach. At the end of 1 year, there was an implant survival rate of 97.8% and a prosthetic success rate of 100%. Based on the responses to the quality of life questionnaire, patients had a high acceptance rate for this treatment protocol. Within the limits of this case series, the proposed simplified digital protocol could be utilized for reconstruction in the fully edentulous patient and for delivering an implant-supported prosthesis immediately after implant placement.


Asunto(s)
Implantes Dentales , Carga Inmediata del Implante Dental , Arcada Edéntula , Boca Edéntula , Implantación Dental Endoósea , Prótesis Dental de Soporte Implantado , Estudios de Seguimiento , Humanos , Arcada Edéntula/cirugía , Boca Edéntula/cirugía , Calidad de Vida , Resultado del Tratamiento
4.
Zhonghua Kou Qiang Yi Xue Za Zhi ; 56(2): 164-169, 2021 Feb 09.
Artículo en Chino | MEDLINE | ID: mdl-33557500

RESUMEN

Objective: To study the clinical effect of early loading restoration a superhydrophilic implant after 1 year, so as to provide reference evidence for clinical practice. Methods: A total of 41 patients with dental defects, including 20 males and 21 females [age (52.3±13.1) years old], were enrolled in the Department of VIP, Hangzhou Dental Hospital (Pinghai Hospital) from July 2017 to January 2019. A total of 74 superhydrophilic implants were implanted, including 27 maxillary implants and 47 mandiolar implants. All patients without bone augmentation or soft tissue transplantation, the maxilla was taken impression 4 weeks after implant implantation, with 6 weeks of loading, the mandible was taken impression 2 weeks after implant implantation, with 4 weeks of loading. The stability of the implant was measured by resonance frequency analyzer before implant implantation, impression and loading. Periapical radiograph were taken immediately after mold removal, immediately after loading and reexamination 1 year after loading, to measure and record the changes in the bone level of the mesial and distal margins of the implant. Results: No biological complications occurred in all implants before loading restoration, and the implant survival rate was 100%(74/74). In 2 cases, the implant stability quotient (ISQ) value of the implant at the mandibular site was lower than 65 at 2 weeks after surgery, and the restoration was delayed. The ISQ values of the other 72 implants at the time of implantation (75.22±4.32) were not significantly different from those at the time of modeling (75.13±4.23) (P>0.05), but the ISQ values at the moment of weight loading (76.46±3.73) were significantly higher than those at modeling (P<0.05). All the early loading implants were reviewed 1 year after early loading, and none of them were loose or fell off, and the implant survival rate was 100%(72/72). X-ray measurement and evaluation showed that after 1 year of early loading restoration, the mean marginal bone absorption of 72 implants was (0.18±0.06) mm, among which the mandibular was (0.17±0.06) mm and the maxillary was (0.19±0.06) mm, showing no statistical difference (P>0.05). After 1 year of early loading restoration, the mean marginal bone absorption of 72 implants was (0.17±0.05) mm, including (0.17±0.06) mm for mandibular and (0.16±0.05) mm for maxillary, showing no statistical difference (P>0.05). Conclusions: In the limited scope of this clinical study, it has been proved that early loading of superhydrophilic implant is a safe and feasible treatment scheme, and the bone resorption at the implant edge after long-term early loading restoration needs further follow-up study.


Asunto(s)
Implantes Dentales , Carga Inmediata del Implante Dental , Adulto , Anciano , Implantación Dental Endoósea , Diseño de Prótesis Dental , Prótesis Dental de Soporte Implantado , Fracaso de la Restauración Dental , Femenino , Estudios de Seguimiento , Humanos , Masculino , Maxilar/cirugía , Persona de Mediana Edad , Resultado del Tratamiento
5.
Int J Oral Maxillofac Implants ; 36(1): 59-67, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33600524

RESUMEN

PURPOSE: Short dental implants serve as a valuable alternative for patients with limited bone height. Immediate or early provisionalization facilitates a more physiologic environment for the gingival tissues to be modeled. The purpose of this meta-analysis was to systematically review and evaluate the implant survival and marginal bone loss with immediate and early loading protocols of short dental implants (≤ 6 mm). MATERIALS AND METHODS: A literature search (electronic and manual) was conducted to identify studies with a focused PICO question: "In patients with short dental implants, does loading time affect treatment outcomes?" Studies using an immediate or early loading protocol for restoration of short implants with a mean follow-up of at least 1 year, and refraining from the use of advanced surgical procedures (sinus floor elevation, bone augmentation), were included. After evaluating patient selection and outcome reporting biases, a meta-analysis was conducted to assess implant survival and bone loss for studies fulfilling the inclusion criteria. Bone loss differences between immediate and early loading protocols were evaluated by Student t test, and Spearman correlation analysis was used to analyze the trends between crown-to-implant (C/I) ratio and bone loss. RESULTS: A total of 396 studies with patients receiving short implants (≤ 6 mm) with immediate or early prosthetic loading protocols were identified. For the 7 included studies, the pooled implant survival rate for 322 implants with a follow-up ranging from 1 to 10 years (5 years) was 91.63% (95% CI: 88% to 94%), with a mean bone loss effect estimate of 0.52 ± 0.1 mm (z = 3.07, P < .002). The differences observed in the mean bone loss for studies using immediate loading as opposed to early loading were not statistically significant. A moderate but significant positive correlation was observed between the C/I ratio and mean bone loss levels (r = 0.67, P = .02). CONCLUSION: Short implants with immediate or early loading protocols have satisfactory long-term treatment prospects with satisfactory implant survival rates and minimal bone loss.


Asunto(s)
Pérdida de Hueso Alveolar , Implantes Dentales , Carga Inmediata del Implante Dental , Elevación del Piso del Seno Maxilar , Pérdida de Hueso Alveolar/diagnóstico por imagen , Pérdida de Hueso Alveolar/cirugía , Implantación Dental Endoósea , Prótesis Dental de Soporte Implantado , Fracaso de la Restauración Dental , Estudios de Seguimiento , Humanos , Resultado del Tratamiento
6.
Int J Oral Maxillofac Implants ; 36(1): 146-153, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33600536

RESUMEN

PURPOSE: This study aimed to assess the radiographic, esthetic, and periodontal outcomes after 1 year of implant placement in compromised fresh extraction sockets in the esthetic zone using vestibular socket therapy. MATERIALS AND METHODS: Implants were placed in type 2 sockets using vestibular socket therapy, which includes immediate implant placement, vestibular incision, and cortical bone shield stabilization, along with filling the socket gap with particulate bone graft, then sealing the socket orifice with a customized healing abutment in one visit. A 6-day protocol of antimicrobial therapy for treating sockets with active infection was also described. Assessment included measuring bone height and labial plate thickness at three levels at baseline and after 1 year, in addition to pink esthetic score and periodontal parameters (modified sulcus Bleeding Index and peri-implant probing depth) after 1 year. SPSS was used to calculate descriptive statistics of outcome measures. RESULTS: All 16 implants used in the study showed success. There was a significant increase of bone height and bone thickness at the middle and crestal thirds (mean [SD] gain = 6.08 [3.07], 1.65 [0.91], and 1.18 [1.51]). The mean (SD) pink esthetic score was 12.63 (1.71), the mean (SD) modified sulcus Bleeding Index was 1.19 (0.40), and the mean (SD) peri-implant probing depth was 1.97 (0.46) mm. CONCLUSION: Vestibular socket therapy was successfully used in compromised sockets with optimum radiographic, esthetic, and periodontal outcomes in addition to minimizing treatment time and number of surgical interventions. The 6-day protocol was able to eliminate infection and prepare sockets for implant placement.


Asunto(s)
Implantes Dentales de Diente Único , Implantes Dentales , Carga Inmediata del Implante Dental , Estudios de Cohortes , Estética Dental , Humanos , Extracción Dental , Alveolo Dental/diagnóstico por imagen , Alveolo Dental/cirugía , Resultado del Tratamiento
7.
J Esthet Restor Dent ; 33(1): 158-172, 2021 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-33522700

RESUMEN

This article describes a comprehensive step-by-step protocol for immediate implant placement and restoration in the esthetic zone. Clinical Considerations Immediate implant placement into fresh extraction sockets and immediate restoration have become widely accepted, demonstrating long-term success rates that are comparable with traditional delayed implant protocols. However, they are technique sensitive and require proper treatment planning as well as meticulous execution to be predictable and successful in the long term. This is particularly important in the esthetic zone, where even minor aberrations and mistakes can have devastating consequences, and especially in younger patients, where esthetic and functional outcomes should remain stable for years and possibly decades to come. The eight critical steps for predictable immediate implant placement include: provisional restoration of the failing tooth and presurgical phase, atraumatic tooth extraction, initial implant osteotomy, 3D bone graft packing, guided implant placement with a surgical guide, customized abutment insertion, provisional crown relining, and placement of a connective tissue graft from tuberosity. Immediate implant protocols in the esthetic zone require thorough planning and execution in the proper sequence. Each one of the critical steps discussed in this article has its own importance and challenges, which are critically assessed based on current scientific evidence.


Asunto(s)
Implantes Dentales de Diente Único , Implantes Dentales , Carga Inmediata del Implante Dental , Coronas , Implantación Dental Endoósea , Estética Dental , Humanos , Extracción Dental , Alveolo Dental/cirugía , Resultado del Tratamiento
8.
Quintessence Int ; 52(2): 132-137, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33433079

RESUMEN

The extraction of a tooth with root resorption can be a complicated procedure and can result in the removal of a significant amount of alveolar bone. In the anterior maxilla, esthetic rehabilitation of damaged sites with implant-supported crown could require multiple surgeries. Patients often ask for an alternative, and minimally invasive treatments are generally preferred. In this paper, a clinical case of implant-supported crown in a site affected by root resorption is described. Immediate implant was placed leaving some root fragments in the osteotomy site, thus avoiding invasive extractive surgeries. A minimally invasive flapless technique with a computer-guided implant placement procedure was used. After ?8 years, clinical and radiologic data were stable, gingival tissues around the implant appeared healthy, no dark translucency appeared through marginal gingiva around the implant, and there was no pathologic probing pocket depth ?or bleeding on probing. In the presence of root resorption and ankylosis, computer-guided surgery could be helpful to prepare a precise implant site through various tissues, such as partially resorbed root remnants. (Quintessence Int 2021;52:132-137; doi: 10.3290/j.qi.a45432).


Asunto(s)
Implantes Dentales de Diente Único , Implantes Dentales , Carga Inmediata del Implante Dental , Computadores , Coronas , Implantación Dental Endoósea , Prótesis Dental de Soporte Implantado , Estética Dental , Humanos , Maxilar/cirugía , Extracción Dental , Resultado del Tratamiento
9.
J Esthet Restor Dent ; 33(1): 224-236, 2021 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-33470044

RESUMEN

OBJECTIVE: To assess clinical and radiological performance of novel digital workflow integrating dynamic guided surgery, to streamline execution of implant placement, soft and bone tissue sculpturing, and immediate delivery of navigation guided complete-arch prosthesis. MATERIALS AND METHODS: This proof of concept prospective single cohort study investigated 10 consecutive patients (three males, seven females; mean age 62.5 ± 8.9 years; range, 48-75) requiring at least one complete-arch fixed dental prostheses (FDP) in both jaws, treated between January and August 2019. Primary outcomes were implant and prosthetic success rates, surgical and prosthetic complications. Secondary outcomes were marginal bone loss (MBL), implant stability quotient (ISQ), periodontal parameters (plaque and bleeding indexes). RESULTS: Sixty implants (32 NobelParallel TiUltra and 28 NobelActive TiUltra, Nobel Biocare) were placed and 14 complete-arch FDPs immediately loaded (mean follow-up 16.2 ± 1.7 months, 14-18). One implant failed and was immediately replaced. No other surgical or biological complications occurred, accounting for a cumulative success rate of 98.3%. No prosthetic complication occurred, leading to 100% prosthetic success rate. Mean ISQ at implant placement was 71 ± 2.8 (65-78). The mean MBL was -0.53 ± 0.28 mm (-0.22 to -1.12 mm). Plaque and bleeding scores were 14.4 ± 8.18 and 7.15 ± 4.4, respectively. CONCLUSION: Within the limitations of this proof-of-concept dynamic navigation was effective to deliver in the planned coordinates both implants and prosthesis and guide bone and soft tissue sculpturing. Immediate loading of digitally prefabricated esthetically driven complete-arch FDP was facilitated, resulting in high implant and prosthetic success rates. CLINICAL SIGNIFICANCE: The investigated digital workflow integrating dynamic navigation may overcome the difficulties related to immediate positioning and loading of digitally prefabricated complete-arch FDP. The navigation guided soft and bone tissues sculpturing, associated to xenogeneic collagen matrix grafting, represented a predictable technique to achieve the digitally planned interface, reestablishing the mucosal dimension required for the protection of underlying bone while maintaining tissue health.


Asunto(s)
Implantes Dentales , Carga Inmediata del Implante Dental , Anciano , Estudios de Cohortes , Implantación Dental Endoósea , Diseño de Prótesis Dental , Prótesis Dental de Soporte Implantado , Fracaso de la Restauración Dental , Femenino , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Resultado del Tratamiento
10.
Clin Oral Investig ; 25(4): 1655-1675, 2021 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-33515121

RESUMEN

INTRODUCTION: Preserving peri-implant tissues after immediate implant placement (IIP), especially in aesthetic zones, is a topic of interest. OBJECTIVES: This systematic review investigated the effects of currently available surgical procedures for preserving peri-implant tissue or ensuring dimensional stability following immediate implant placement. MATERIALS AND METHODS: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement's guidelines were followed, and articles were sought on the PubMed and Cochrane databases with no date restrictions. Only randomised clinical trials that evaluated changes in soft and hard tissues around immediately placed implants were included. Statistical analyses were performed, and the studies´ quality was assessed using the Cochrane Collaboration tool. The agreement between reviewers was assessed based on Cohen's kappa statistics. RESULTS: Of the 14 studies that met the inclusion criteria, 11 were analysed in the meta-analysis (kappa = 0.814; almost perfect agreement). The use of connective tissue grafts resulted in a significantly greater improvement of the facial gingival level (MD = -0.51; 95% CI: -0.76 to -0.31; p = < .001), and the placement of bone grafts significantly reduced the horizontal resorption of the buccal bone (MD = -0.59; 95% CI: -0.78 to -0.39; p < .001). CONCLUSION: Connective tissue grafts and bone grafts positively influence tissue preservation around immediately placed implants. Neither the flapless technique nor palatal implant positioning resulted in significant improvements to any of the investigated parameters. Additional longitudinal studies are required. CLINICAL RELEVANCE: This meta-analysis is useful for discerning the effects of soft tissue augmentation, bone grafting, the flapless technique, and palatal implant positioning on preserving peri-implant tissues after immediate implant placement.


Asunto(s)
Implantes Dentales , Carga Inmediata del Implante Dental , Implantación Dental Endoósea , Estética Dental , Encía/cirugía , Conservación de Tejido
11.
Zhonghua Kou Qiang Yi Xue Za Zhi ; 55(11): 831-837, 2020 Nov 09.
Artículo en Chino | MEDLINE | ID: mdl-33171555

RESUMEN

Objective: To compare and evaluate the clinical outcome of immediate implant therapy in patients with limited buccal bone wall dehiscence and in patients with intact buccal bone wall. Methods: This prospective cohort study included patients intended to receive immediate implant treatment in upper anterior esthetic region in the Department of Implantology, Hospital of Stomatology, Wuhan University from August to December, 2018. Patients with buccal bone wall dehiscence limited to the coronal half were attributed to experimental group to conduct flap implant surgery (indicating to less than coronal half of the buccal bone wall length from the alveolar bone crest to the implant tip), whereas patients with intact buccal bone wall were attributed to control group to conduct flapless implant surgery. Buccal bone wall resorptions in height and thickness were evaluated 6 months after implant placement. Implant survival rate, pink/white esthetic score and post-operation complications were also analyzed 12 months after implant placement. Paired t-test and two-sample t-test were adopted to analyze the differences of different points within one group and differences between groups, respectively. Results: A total of 38 patients with the age of (39.2±5.8) years (range 19-45 years) and 38 upper anterior single tooth implants were included,in which 19 patients were attributed to experimental group [12 male and 7 female, the age was (37.6±5.3) years], and 19 patients were attributed to control group [9 male and 10 female, the age was (40.8±6.7) years]. Over the 12 months' observation after implant placement, the overall implant survival rate was 97% (37/38), and 18/19 in control group and 19/19 in experimental group. Only one implant lost in control group and no other complications were reported. Buccal bone resorption in thickness and height occurred in both groups within 6 months after implant placement. The thickness and height of buccal bone decreased significantly in both groups within 6 months after implant placement (P<0.05). Thickness decreases in experimental group were (1.32±0.74), (0.53±0.89) and (0.36±0.70) mm in coronal, middle and apical part of implant in experimental, and (1.24±0.57), (0.83±0.46) and (0.38±0.72) mm in coronal, middle and apical part of implant in control group. While the buccal bone height decreases were (0.24±0.15) mm in experimental group and (0.25±0.23) mm in control group. There were no statistical differences between the corresponding spots in the two groups (P>0.05). Upon the final restoration, both group got ideal pink esthetic scores [experimental group (10.92±1.13),control group (10.92±1.26)] and white esthetic scores [experimental group (7.61±0.78), control group (7.40±0.71)], the differences in both groups were not statistically significant (P>0.05). Conclusions: Clinical results of immediate implant to patients with buccal bone wall dehiscence limited to the coronal half are comparable to the results of patients with intact buccal bone wall.


Asunto(s)
Implantes Dentales de Diente Único , Implantes Dentales , Carga Inmediata del Implante Dental , Implantación Dental Endoósea , Estética Dental , Femenino , Humanos , Masculino , Maxilar/cirugía , Estudios Prospectivos , Alveolo Dental/cirugía , Resultado del Tratamiento
12.
Zhonghua Kou Qiang Yi Xue Za Zhi ; 55(11): 851-856, 2020 Nov 09.
Artículo en Chino | MEDLINE | ID: mdl-33171558

RESUMEN

Objective: To further improve socket shield technique. The treatment outcome and the key related factors in Asian population are evaluated by measuring the root fragment and alveolar crest parameters in immediate implant placement cases with socket shield. Methods: A total of 18 patients, with 21 implants placed using socket shield technique were included in this retrospective study. Fourteen implants of 11 cases were recruited from West China Hospital of Stomatology, Sichuan University, 7 implants of 7 cases were recruited from Stomatological Hospital of Chongqing Medical University. The relationship between the thickness of the root fragment, the vertical height of the root fragment and the dimensional changes of buccal alveolar bone in 6 months was analyzed respectively. The pink-white esthetic scores were evaluated. The complications were recorded, analyzed and preventive measures were put forward. Results: There is a negative correlation between the vertical height of tooth fragment and the buccal crest height reduction (r=-0.458, P=0.037). There were negative correlations between the thickness of the tooth fragment with the vertical dimensional changes (r=-0.574, P=0.007) and horizontal dimensional changes (r=-0.619, P=0.003) of buccal alveolar bone. Three cases with internal exposure were recorded during the treatment. No severe complications were observed. Every case achieved a satisfying pink-white esthetic outcome according to the existing treatment protocols. Conclusions: Rigorous case screening, delicate surgical procedures, and maintaining adequate thickness of the root are the key to achieve a good esthetic outcome of implant treatment with socket shield technique.


Asunto(s)
Implantes Dentales de Diente Único , Carga Inmediata del Implante Dental , China , Implantación Dental Endoósea , Estética Dental , Humanos , Estudios Retrospectivos , Extracción Dental , Alveolo Dental/cirugía , Resultado del Tratamiento
13.
Zhonghua Kou Qiang Yi Xue Za Zhi ; 55(11): 857-863, 2020 Nov 09.
Artículo en Chino | MEDLINE | ID: mdl-33171559

RESUMEN

Objective: To compare the difference of soft and hard tissue changes between immediate implant and early implant placement in maxillary anterior region, so as to provide the basis for the selection of implant timing and surgical method for patients in clinical maxillary anterior dental esthetic zone. Methods: From January 2016 to January 2019, 89 patients [48 males and 41 females, aged (38.0±13.3) years] with dentition defect and single tooth implant restoration in the Department of Oral Implantology, Dalian Stomatological Hospital were retrospectively collected. The patients were divided into three groups according to different implant timing and operation methods: immediate implant flapless group (26 cases), immediate implant flap group (30 cases) and early implant group (33 cases, early implant 4-8 weeks after tooth extraction). The operation time, intraoperative and postoperative complications were compared among the three groups. Cone-beam CT was taken before operation, immediately after operation and 6 months after operation. The bone plate thickness immediately after implantation, bone plate thickness at 6 months after operation and absorption amount of bone plate thickness at labial side (immediately after operation minus 6 months after operation) were measured, and the absorption rate of labial bone plate was calculated. Three dimensional quantitative analysis was performed on the lip bone increment, residual bone volume (6 months after operation minus preoperative), and bone volume absorption rate of the three groups immediately after operation by using GuideMia, PlastyCAD and Geomagic engineering software. The pink and white esthetic indexes of the three groups were evaluated at 9 months and 15 months after implant placement. The implant stability quotient (ISQ) value was measured at 6 months after implantation, and the patients' satisfaction with the whole treatment process was investigated at 6 months after implantation. Results: The operation time of immediate implant flapless group was the shortest, the median (lower quartile, upper quartile) was 36.5 (33.3, 38.5) min. At 9 months after operation, PES was relatively high [8.5 (8.0, 9.0)], and the final patient satisfaction was 8.0 (7.3, 8.8), and the difference was statistically significant compared with the other two groups (P<0.05). There was no significant difference in the incidence of intraoperative and postoperative complications among the groups (P>0.05). At 6 months after operation, the thickness of labial bone plate in early group was 3.09 (3.00, 3.25) mm, which was greater than that in the immediate non flap group [1.90 (1.72, 2.33) mm] and that in the immediate implant flap group [2.39 (2.05, 3.06) mm], and the difference was statistically significant (P<0.05). The absorption of labial bone thickness in immediate implant flapless group [0.61 (0.35, 0.98) mm] was significantly lower than that in the immediate implant flap group [1.13 (0.97, 1.53) mm] and that in the early implant group [1.23 (1.07, 1.37) mm] (P<0.05). After 6 months, the residual bone volume of immediate flapless group was 38.7 (31.2, 54.6) mm3 and was significantly different from that in early implant group [109.1 (85.6, 263.1) mm3] (P<0.05), and there was no significant difference in the residual bone volume between immediate implant flapless group and immediate implant flap group (P>0.05). Conclusions: Immediate implant can reduce the treatment time with equal esthetic outcome of implant supported restoration of anterior teeth, and patients prefer it more. The bone volume of lip side was not significantly increased after immediate flap operation, and the bone absorption was less after immediate flap operation. Early implant placement can better maintain the three-dimensional bone mass, and the three groups can obtain good clinical results in the short term, but the long-term effect needs further follow-up study.


Asunto(s)
Implantes Dentales de Diente Único , Implantes Dentales , Carga Inmediata del Implante Dental , Adulto , Implantación Dental Endoósea , Estética Dental , Femenino , Estudios de Seguimiento , Humanos , Masculino , Maxilar/cirugía , Persona de Mediana Edad , Estudios Retrospectivos , Resultado del Tratamiento , Adulto Joven
14.
Artículo en Inglés | MEDLINE | ID: mdl-33151193

RESUMEN

This article aims to evaluate the effect of anatomically designed, single-unit provisional restorations on soft tissue preservation following immediate implant placement. Patients in need of a single-tooth replacement in the esthetic area were recruited for this study. An immediate provisional restoration with a transmucosal area anatomically designed to support the soft tissue was used for every patient. The horizontal volumetric tissue changes and the presence and amount of vertical recession were measured at baseline (T0) and after 1 month (T1), 3 months (T2), and 6 months (T3). Sixty-three patients received 66 implants that were placed into fresh extraction sites. The average follow-up time was 48 months (range: 24 to 60 months). All implant restorations were successful, and the cumulative implant survival rate and success of restorations was 100%. After 6 months, the mean horizontal ridge measured midbuccally had increased by 0.10 ± 0.10 mm at 1 mm from the free gingival margin, had decreased by 0.09 ± 0.10 mm at 3 mm, and had decreased by 0.20 ± 0.10 mm at 5 mm. In addition, the mean recession at the midbuccal surfaces was 0.04 ± 0.37 mm. Measurements were made clinically and compared to measurements made on the casts. According to the results of this study, the use of customized anatomically designed immediate provisional restorations following single-tooth extraction and immediate implant placement appeared to minimize the loss of tissue volume that results from postextraction bone remodeling, thus optimizing the final esthetic result.


Asunto(s)
Implantes Dentales de Diente Único , Carga Inmediata del Implante Dental , Estética Dental , Humanos , Estudios Prospectivos , Conservación de Tejido , Extracción Dental , Resultado del Tratamiento
15.
Int J Esthet Dent ; 15(4): 390-400, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-33089256

RESUMEN

The socket-shield technique shows promising results in the esthetic zone. It is a technically challenging procedure but is effective in maintaining the buccal plate after tooth extraction and avoiding tissue collapse. Therefore, it could be considered a valid option in the immediate implant scenario. A careful shield preparation and handling are paramount for the success of the treatment and to minimize complications. Raising a flap can improve visibility and simplify the procedure. This article reports on a case in which a small crestal approach is used to visualize the root and the buccal plate, combined with a buccal semilunar flap, to gain access to the apical area. This surgical management is especially indicated when long roots are involved, in order to determine the correct axis for cutting and sectioning the root and to remove the apex if conventional drills are not long enough. Possible esthetic complications of raising a flap are also discussed.


Asunto(s)
Implantes Dentales de Diente Único , Carga Inmediata del Implante Dental , Estética Dental , Humanos , Extracción Dental , Alveolo Dental/cirugía
16.
Int J Prosthodont ; 33(5): 513-522, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-32956432

RESUMEN

PURPOSE: To compare clinical and esthetic outcomes between immediately loaded single implants placed with and without a fully guided surgical procedure. MATERIALS AND METHODS: Patients with a missing maxillary tooth (second premolar to second premolar) were considered for inclusion in this 1-year prospective nonrandomized study. Exclusion criteria were general health contraindications for oral surgery besides the need for bone grafting or ridge augmentation. One group received digital implant planning, fully guided surgery, and immediate loading (DIL). The other group received freehand surgery and immediate loading (IL). Outcome measures were implant survival, marginal bone loss, soft tissue changes, papilla index, pink and white esthetic scores (PES and WES, respectively), and patient-reported outcome measures (PROMs). RESULTS: Two of 21 implants failed in the DIL group soon after placement, resulting in a 1-year implant survival rate of 90.5%, while no implants failed in the IL group. Significantly higher papilla index scores and lower soft tissue changes were found for the DIL group compared to the IL group. No differences were found after 1 year regarding marginal bone loss, PES, WES, or PROMs. CONCLUSION: Within the limitations of this study, immediate loading in combination with fully guided surgery might negatively affect implant survival. Immediate loading, fully guided surgery, and a digital workflow appear to have a positive effect on early soft tissue adaptation.


Asunto(s)
Implantes Dentales de Diente Único , Implantes Dentales , Carga Inmediata del Implante Dental , Implantación Dental Endoósea , Estética Dental , Humanos , Maxilar/cirugía , Satisfacción del Paciente , Estudios Prospectivos , Resultado del Tratamiento
17.
Nan Fang Yi Ke Da Xue Xue Bao ; 40(9): 1365-1368, 2020 Sep 30.
Artículo en Chino | MEDLINE | ID: mdl-32990231

RESUMEN

OBJECTIVE: To investigate the effect of Straumann implant on crown appearance in the immediate implant restoration of maxillary anterior teeth. METHODS: This study was conducted among 86 patients undergoing immediate implant restoration of maxillary anterior teeth between January and December, 2018. We randomized the patients into control group for treatment with immediate implant restoration and study group receiving additional Straumann implant. The effects of restoration, bone absorption at 6 months, implant length, implant diameter, root protrusion, gingival color, far and middle gingival papilla, lip side gingival height, near and middle gingival papilla, and lip side gingival curve were compared between the two groups. RESULTS: The repair effect in the study group was better than that in the control group (P < 0.05). The implant length and implant diameter were significantly greater in the study group than in the control group. The root protrusion, gingival color, far and middle gingival papilla, lip side gingival height, near and middle gingival papilla, and lip side gingival curve were all better in the study group. The height of marginal bone in the study group was significantly higher than that in the control group (P < 0.05). CONCLUSIONS: Straumann implant can be used in immediate implant restoration of maxillary anterior teeth to achieve a better aesthetic effect.


Asunto(s)
Carga Inmediata del Implante Dental , Maxilar , Coronas , Encía , Humanos , Maxilar/cirugía
18.
Artículo en Inglés | MEDLINE | ID: mdl-32926003

RESUMEN

Horizontal and vertical reduction of the ridge has to be expected after tooth extraction. Immediate implant placement and provisionalization is a viable treatment option that can help to minimize those changes. Additionally, it can better meet a patient's expectations about the treatment, reducing time and invasiveness. The aim of this prospective study is to evaluate the stability of the hard and soft tissues surrounding single immediate implants placed in the esthetic zone, as well as evaluating patient satisfaction. A total of 16 implants were placed, and 15 could be evaluated at the 3-year follow-up. Radiographic and clinical data was recorded after this period. Some marginal bone level reduction was detected after 3 years but was not statistically significant. The soft tissues, measured at 3 points, showed stability and even better positions with respect to the day of the final restoration placement. Patient satisfaction was analyzed using the modified Oral Health Impact Profile questionnaire (OHIP-14), and high satisfaction values were reported. The implementation of a precise surgical and prosthetic protocol when an immediate implant is placed into a fresh extraction socket is likely to result in high survival and success rates combined with excellent patient satisfaction. After the 3-year follow-up, favorable results were present.


Asunto(s)
Implantes Dentales de Diente Único , Implantes Dentales , Carga Inmediata del Implante Dental , Estética Dental , Estudios de Seguimiento , Humanos , Satisfacción del Paciente , Estudios Prospectivos , Extracción Dental , Alveolo Dental/cirugía , Resultado del Tratamiento
19.
Int J Esthet Dent ; 15(3): 288-305, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-32760924

RESUMEN

The socket-shield technique, first published in 2010, has gained worldwide scientific and clinical acceptance. To address possible complications with this innovative approach in esthetic implant dentistry, we provide a comprehensive step-by-step protocol incorporating what we have learnt in the past decade. After initial decoronation of the tooth, the implant bed is prepared through the root of the tooth to be extracted. Following extraction of the palatal root fragments, the shield is prepared according to either a mechanical or biologic 'locking' principle. The mechanical 'locking' comprises a direct contact between the implant and the shield, whereas the biologic approach facilitates ankylosis of the shield, preventing its coronal displacement. The coronal part of the shield is brought into a concave shape, ending up 0.5 mm coronal to the buccal bone. The implant is consequently inserted, and an individualized healing cap fabricated. When performed according to the underlying biologic and mechanical principles, the socket-shield technique can provide highly esthetic and predictable outcomes.


Asunto(s)
Implantes Dentales de Diente Único , Carga Inmediata del Implante Dental , Estética Dental , Extracción Dental , Alveolo Dental/cirugía
20.
Med Oral Patol Oral Cir Bucal ; 25(6): e720-e727, 2020 Nov 01.
Artículo en Inglés | MEDLINE | ID: mdl-32851987

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 immediate 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.


Asunto(s)
Implantes Dentales de Diente Único , Carga Inmediata del Implante Dental , Periimplantitis , Implantación Dental Endoósea , Estudios de Seguimiento , Humanos , Estudios Prospectivos , Extracción Dental , Alveolo Dental/cirugía , Resultado del Tratamiento
SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA
...