The proportion of cancellous bone as predictive factor for early marginal bone loss around implants in the posterior part of the mandible

Simons, Willem Frederik; Smit, Menke De; Duyck, Joke; Coucke, Wim; Quirynen, Marc

doi:10.1111/clr.12398

Cited by 36 publications

(44 citation statements)

References 81 publications

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“…Peri‐implant MBL plays a key role for long‐term implant stability . 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 .…”

Section: Discussionmentioning

confidence: 99%

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: Discussionmentioning

confidence: 99%

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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“…The widths of the cortical and cancellous bone were measured in the region with the greatest extent. The proportion of cortical and cancellous bone was calculated for each bone site, following the methodology described by Simons and colleagues …”

Section: Methodsmentioning

confidence: 99%

Comparison between tapered and cylindrical implants in the posterior regions of the mandible: A prospective, randomized, split‐mouth clinical trial focusing on implant stability changes during early healing

Waechter

Madruga

Filho

et al. 2017

Clin Implant Dent Rel Res

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“…The patient was not exposed to other risk factors, and implant placement protocol was followed stringently, so the cause of the complication became somewhat elusive. Although presence of bacteria is out of the question, there may be factors that could lead to infection secondary to bone viability issues 6 …”

Section: Discussionmentioning

confidence: 99%

“…The rapid popularization of implant treatment has been accompanied by an increased number of failures and the obvious need to develop predictable protocols to prevent and treat implant complications 1 . Bacteria seem to be the primary etiologic agent; 2 however, systemic and/or behavioral factors, 3 occlusal factors, 4 foreign body reactions to dental cement, 5 bone quality, 6 and characteristics of the soft tissue 7 may impact implant success. Different treatments have been proposed 8,9 with limited long‐term reports that span 15 years.…”

Section: Introductionmentioning

confidence: 99%

Surgical Management of a Severe Early Implant Complication: A 19‐Year Follow‐Up Case Report

Hamdan

Batista

2016

Clin Adv Periodontics

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Introduction: Reports on long‐term response to treatment of different implant complications with a span of more than 15 years are scarce. This case report presents a patient with early severe bone loss around an unloaded dental implant, with treatment and 19‐year follow up. Case Presentation: A 60‐year‐old male non‐smoker with no known systemic contributory history presented for replacement of the mandibular right first molar. The tooth was replaced with a titanium plasma‐sprayed (TPS) implant using a non‐submerged healing approach. Eight weeks post‐surgery the patient reported discomfort in the area, followed by swelling, suppuration, and deep probing depths (PDs). A full‐thickness flap revealed a bone defect that was thoroughly debrided until its deepest extension. The implant surface was scaled and subjected to air‐powder treatment, followed by rubbing the TPS surface with a cotton pellet soaked in HCl‐tetracycline. Guided bone regeneration was accomplished with use of an allograft followed by placement of a non‐resorbable membrane. Follow‐up after 19 years showed stability of the bone gain and reduction of PDs. Conclusion: The 19‐year successful long‐term result calls attention to the potential benefit of the combined anti‐infective/regenerative approach and lasting effects of surgical management of early implant complications.

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The proportion of cancellous bone as predictive factor for early marginal bone loss around implants in the posterior part of the mandible

Cited by 36 publications

References 81 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

Comparison between tapered and cylindrical implants in the posterior regions of the mandible: A prospective, randomized, split‐mouth clinical trial focusing on implant stability changes during early healing

Surgical Management of a Severe Early Implant Complication: A 19‐Year Follow‐Up Case Report

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