6‐mm‐long implants loaded with fiber‐reinforced composite resin‐bonded fixed prostheses (<scp>FRCRBFDP</scp>s). A 5‐year prospective study

Rossi, Fábio; Lang, Niklaus P.; Ricci, Emanuele; Ferraioli, Lorenzo; Marchetti, Claudio; Botticelli, Daniele

doi:10.1111/clr.13015

Cited by 18 publications

(25 citation statements)

References 17 publications

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“…According to the established success criteria MBL should not exceed 1.5 mm after the first year of loading and not 0.2 mm in the subsequent years . Thus, a MBL of 0.71 mm and a survival rate of 97.3% is considered to be satisfactory and comparable to other studies also investigating short dental implants (Table ). Two implants in the posterior mandibular region of one patient had to be explanted after 2 months following insertion due to implant loosening as a consequence of failed osseointegration.…”

Section: Discussionsupporting

confidence: 84%

“…Peri-implant MBL plays a key role for long-term implant stability. 25,31 According to the established success criteria MBL should not exceed 32 Thus, a MBL of 0.71 mm and a survival rate of 97.3% is considered to be satisfactory and comparable to other studies also investigating short dental implants 9,12,[33][34][35][36] (Table 5) insertion results in ischemic conditions that seriously inhibit the process of osseointegration. 31,37 Consequently, complications and early implant failures are commonly described in this poor vascularized region.…”

Section: Discussionsupporting

confidence: 59%

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The influence of crown‐to‐implant ratio on marginal bone levels around splinted short dental implants: A radiological and clincial short term analysis

Hingsammer

Watzek

Pommer

2017

Clin Implant Dent Rel Res

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Background The amount of marginal bone resorption around dental implants is considered to have a significant impact on implant stability as well as implant survival rates. Purpose The aim of this prospective study was to investigate the influence of prosthetic as well as patient specific factors on marginal bone loss around short dental implants. Materials and methods Seventy‐six implants, which supported splinted crowns were included for investigation. All implants were from the same type and had an intraosseous length of 6.5 mm and a diameter of 4.0 mm. Twenty implants were additionally splinted onto longer ones. Measurements of marginal bone loss were performed at a mean of 12.38 months after prosthetic loading and the mean follow‐up for clinical evaluation was 20.52 months. Results Overall two implant failures were recorded, revealing a survival rate of 97.3%. Marginal bone resorption around 72 short implants measured 0.71 mm (SD: 0.74 mm) and was found to have a strong correlation with calculated Crown‐to‐Implant ratio (r = .71; P < .001). Age, gender, insertion torque, implant surface area, location, position, bone quality, and insertion torque did not influence peri‐implant bone loss after one year of loading. Conclusion Within the limitations of the study, it is suggested that Crown‐to‐Implant ratios should not exceed 1.7 to avoid increased early marginal bone loss.

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Section: Discussionsupporting

confidence: 84%

Section: Discussionsupporting

confidence: 59%

The influence of crown‐to‐implant ratio on marginal bone levels around splinted short dental implants: A radiological and clincial short term analysis

Hingsammer

Watzek

Pommer

2017

Clin Implant Dent Rel Res

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“…However, it has to be considered that the mean period of observation in these two reviews was much lower than 10 years, namely between 41 and 44 months. Moreover, an even lower success rate was reported in another study in which fiber‐reinforced resin‐bonded bridges were screwed onto 6 mm short implants (Rossi et al, ).…”

Section: Discussionmentioning

confidence: 93%

Long‐term follow‐up of single crowns supported by short, moderately rough implants—A prospective 10‐year cohort study

Rossi

Lang

Ricci

et al. 2018

Clinical Oral Implants Res

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Objectives To evaluate prospectively the clinical and radiographic outcomes after ten years of short (6 mm) implants with a moderately rough surface supporting single crowns in the posterior region. Material and Methods Forty 6 mm modified sandblasted large‐grit acid‐etched (mod‐SLA), soft tissue level implants were installed in the distal segments of 35 consecutive patients. After 6 weeks of healing, abutments were tightened, and single porcelain‐fused‐to‐metal crowns were cemented. Implant survival, marginal bone loss, and clinical crown/implant ratio were evaluated at various time intervals up to 10 years after loading. Results Two out of the 40 implants were lost before loading, one implant was lost after 7 years because of peri‐implantitis. One patient with two implants died and was excluded from analysis. Two patients did not come at the 10‐year follow‐up and were considered as drop out (2 implants). The survival rate was 91.7% (n = 36). Thirty‐three implants were available for marginal bone loss evaluation. A mean marginal bone loss after 10 years of function was 0.8 ± 0.7 mm. Between 5 and 10 years, the loss was 0.2 ± 0.4 mm. No technical complications were registered during the 10‐year period. The clinical crown/implant ratio increased with time from 1.6 at the delivery of the prosthesis to 2.0 after 10 years of loading with no increase between 5 and 10 years. Conclusion Short (6 mm) implants with a moderately rough surface supporting single crowns in the posterior region and loaded after 6–7 weeks maintained full function for at least 10 years with low marginal bone resorption.

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“…Several study groups ran a series of randomized controlled clinical trials (RCTs) to compare the clinical outcomes of short implants (4–6 mm) with standard implants combined with sinus floor elevation in moderately atrophic posterior maxillae (5–7 mm; Bechara et al, ; Esposito, Pistilli, Barausse, & Felice, ; Rossi et al, ). Those RCTs failed to find significant differences between short and standard implants with sinus floor elevation.…”

Section: Introductionmentioning

confidence: 99%

Short versus longer implants with osteotome sinus floor elevation for moderately atrophic posterior maxillae: A 1‐year randomized clinical trial

Shi

Qiao

et al. 2019

J Clinic Periodontology

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Purpose To compare the clinical, radiographic outcomes and patient satisfaction of short‐6‐mm implants and longer implants combined with osteotome sinus floor elevation (OSFE). Materials and Methods Two hundred and twenty‐five patients with 225 implants were included and randomly assigned into three groups (each group: 75 implants) using randomizing table method: group 6 mm (6 mm implants alone), group 8 mm + O (8 mm implants + OSFE) and group 10 mm + O (10 mm implants + OSFE). Outcomes measures were as follows: implant survival, complication, resonance frequency analysis measurement, surgical time, bleeding on probing (BOP), pocket probing depth (PPD), modified plaque index (mPI), marginal bone loss (MBL) and patient satisfaction. Results The dropout rate was 3.6% at 1 year. Implant survival rates were 96%, 100% and 100% in group 6 mm, group 8 mm + O and group 10 mm + O, respectively. In group 6 mm, the survival rates of implants with diameter of 4.1 mm were 90% (27/30), while the survival rates of implants with diameter of 4.8 mm were 100% (42/42). The surgical time (min) in group 6 mm was significantly shorter than those in group 8 mm + O and group 10 mm + O (13.6 ± 2.2, 19.4 ± 3.7 and 18.3 ± 4.3, respectively, p = 0.03). No significant differences in ISQ values, BOP, PPD, mPI and MBL were found among three groups. Significant higher value of intra‐operative discomfort was found in group 6 mm (p = 0.02). Conclusion All treatment options provided acceptable clinical and radiographic results up to 1 year after loading. The current 1‐year results must be confirmed by longer follow‐ups of at least 5 years.

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6‐mm‐long implants loaded with fiber‐reinforced composite resin‐bonded fixed prostheses (FRCRBFDPs). A 5‐year prospective study

Abstract: The survival of short implants was 90% owing to two bridges losses in the maxilla. However, the success rate of FRCRBFDPs over 5 years was only at 70%.

Cited by 18 publications

References 17 publications

The influence of crown‐to‐implant ratio on marginal bone levels around splinted short dental implants: A radiological and clincial short term analysis

The influence of crown‐to‐implant ratio on marginal bone levels around splinted short dental implants: A radiological and clincial short term analysis

Long‐term follow‐up of single crowns supported by short, moderately rough implants—A prospective 10‐year cohort study

Short versus longer implants with osteotome sinus floor elevation for moderately atrophic posterior maxillae: A 1‐year randomized clinical trial

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