Aesthetic outcome of immediately restored single implants placed in extraction sockets and healed sites of the anterior maxilla: a retrospective study on 103 patients with 3 years of follow‐up

Mangano, Francesco; Mastrangelo, Paolo; Luongo, Fabrizia; Blay, Alberto; Tunchel, Samy; Mangano, Carlo

doi:10.1111/clr.12795

Cited by 72 publications

(95 citation statements)

References 51 publications

(122 reference statements)

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“…Several authors have suggested that primary stability may be a useful predictor for osseointegration [29][30][31][32][33][34][35] and that a high primary stability makes immediate loading more predictable [19,20,26,27] [32]. In fact, in that study, no implant with ISQ > 60 failed, while 19% of implants with ISQ < 60 failed [32].…”

Section: Discussionmentioning

confidence: 90%

“…In modern implantology, with the introduction of surgical and prosthetic protocols such as the immediate placement of implants in fresh postextraction sockets [19,[24][25][26] and immediate functional loading [19,20,27], it is very important to quantify implant stability at various timeframes, in order to have a long-term prognosis for the implants placed [10,[14][15][16][17][18]. Therefore, the employment of simple, clinically applicable noninvasive tests to assess implant stability and osseointegration can be considered valuable [12][13][14][15][16][17][18]23].…”

Section: Introductionmentioning

confidence: 99%

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Implant stability in the posterior maxilla: a controlled clinical trial

Gomes¹

2017

http://isrctn.com/

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Aim. To evaluate the primary and secondary stability of implants in the posterior maxilla. Methods. Patients were allocated into three groups: (A) native bone, (B) partially regenerated bone, and (C) nearly totally regenerated bone. Insertion torque (IT) and implant stability quotient (ISQ) were measured at placement, to evaluate whether satisfactory high primary stability (IT ≥ 45 N/cm; ISQ ≥ 60) was achieved; ISQ was measured 15, 30, 45, and 60 days after placement, to investigate the evolution to secondary stability. Results. 133 implants (Anyridge5, Megagen) were installed in 59 patients: 55 fixtures were placed in Group A, 57 in Group B, and 21 in Group C. Fifty-two implants had satisfactory high primary stability (IT ≥ 45 N/cm; ISQ ≥ 60). A positive correlation was found between all variables (IT, ISQ at t = 0, t = 60), and statistically higher IT and ISQ values were found for implants with satisfactory high primary stability. Significant differences were found for IT and ISQ between the groups (A, B, and C); however, no drops were reported in the median ISQ values during the healing period. Conclusions. The evaluation of the primary and secondary implant stability may contribute to higher implant survival/success rates in critical areas, such as the regenerated posterior maxilla. The present study is registered in the ISRCTN registry with ID ISRCTN33469250.

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Section: Discussionmentioning

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Implant stability in the posterior maxilla: a controlled clinical trial

Gomes¹

2017

http://isrctn.com/

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“…The tapered design with double lead threads, in fact, allows the surgeon to obtain an excellent primary implant stability even in difficult clinical conditions [12], such as in the case of postextraction sockets [20]. At the same time, the dual acid etched surface of these implants has the potential to accelerate bone healing, as demonstrated by a recent histologic/histomorphometric human study [13].…”

Section: Discussionmentioning

confidence: 99%

The ball welding bar: a new solution for the immediate loading of screw-retained, mandibular fixed full arch prostheses

Guida¹

2017

http://isrctn.com/

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is properly cited.Purpose. To present a new intraoral welding technique, which can be used to manufacture screw-retained, mandibular fixed fullarch prostheses. Methods. Over a 4-year period, all patients with complete mandibular edentulism or irreparably compromised mandibular dentition, who will restore the masticatory function with a fixed mandibular prosthesis, were considered for inclusion in this study. The "Ball Welding Bar" (BWB) technique is characterised by smooth prosthetic cylinders, interconnected by means of titanium bars which are adjustable in terms of distance from ball terminals and are inserted in the rotating rings of the cylinders. All the components are welded and self-posing. Results. Forty-two patients (18 males; 24 females; mean age 64.2 ± 6.7 years) were enrolled and 210 fixtures were inserted to support 42 mandibular screw-retained, fixed full-arch prostheses. After two years of loading, 2 fixtures were lost, for an implant survival rate of 97.7%. Five implants suffered from peri-implant mucositis and 3 implants for peri-implantitis. Three of the prostheses (3/42) required repair for fracture (7.1%): the prosthetic success was 92.9%. Conclusions. The BWB technique seems to represent a reliable technique for the fabrication of screw-retained mandibular fixed full-arch prostheses. This study was registered in the ISRCTN register with number ISRCTN71229338.

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“…All fixtures used in the present study (TixOs ® , Leader, Milan, Italy) were fabricated as previously described [26,27,28,29,30,31]. In brief, titanium alloy (Ti 6 Al 4 V) powders with a particle size of 25–45 μm were used as basic material in an argon atmosphere, and sintered together, layer by layer, through a DMLS process.…”

Section: Methodsmentioning

confidence: 99%

“…Several reviews [24], research [25,26,27,28], and clinical studies [29,30,31] have demonstrated the potential advantages and applications of the DMLS technique for the fabrication of dental implants, even with custom shapes [32,33]. …”

Section: Introductionmentioning

confidence: 99%

Immunohistochemical Evaluation of Peri-Implant Soft Tissues around Machined and Direct Metal Laser Sintered (DMLS) Healing Abutments in Humans

Mangano

Shibli

et al. 2018

IJERPH

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Background: Direct metal laser Sintering (DMLS) is an additive manufacturing technique that allows fabrication of dental implants and related components with a highly porous surface. To date, no human studies have investigated the soft tissue adhesion and presence of inflammatory infiltrate with porous DMLS healing abutments (HAs), nor have they compared these with the classic machined ones. Purpose: To evaluate the degree of cell adhesion (integrin expression) and the quantity/quality of inflammatory infiltrate, on HAs with different surfaces; full DMLS, full machined, and hybrid (half DMLS and half machined). Methods: Fifty implant patients were randomly assigned to receive one of these different Has: T1, full DMLS (11 subjects); T2, machined in the upper portion and DMLS in the lower one (10 subjects); T3, DMLS in the upper portion and machined in the lower one (19 subjects); T4, full machined (10 patients). Thirty days after placement, circular sections of soft tissues around HAs were retrieved for immunohistochemical evaluation. Results: With regard to the adhesion molecules, the samples showed different intensity of integrin expression, with a statistically significant difference (p < 0.001) between T1 and the other groups. All the samples were positive for the different clusters related to the inflammatory infiltrate (T lymphocytes, CD3; B lymphocytes, CD20; and macrophages, CD68), but a lower infiltrate was found in T1, with statistically significant differences (p < 0.001) among the groups. Conclusions: The HA surface seems to influence the degree of cell adhesion and the inflammatory infiltrate of the surrounding soft tissues.

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Aesthetic outcome of immediately restored single implants placed in extraction sockets and healed sites of the anterior maxilla: a retrospective study on 103 patients with 3 years of follow‐up

Abstract: Both immediate and conventional single-implant treatment in the anterior maxilla can yield satisfactory aesthetic outcomes, when performed by experienced clinicians in well-selected cases. Further studies are needed to confirm these results.

Cited by 72 publications

References 51 publications

Implant stability in the posterior maxilla: a controlled clinical trial

Implant stability in the posterior maxilla: a controlled clinical trial

The ball welding bar: a new solution for the immediate loading of screw-retained, mandibular fixed full arch prostheses

Immunohistochemical Evaluation of Peri-Implant Soft Tissues around Machined and Direct Metal Laser Sintered (DMLS) Healing Abutments in Humans

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