A paralleling technique modification to determine the bone crest level around dental implants

Fernández-Formoso, Noelia; Rilo, Benito; Mora, María Jesús; Martínez-Silva, Isabel María; Santana, Urbano

doi:10.1259/dmfr/45365752

Cited by 23 publications

(26 citation statements)

References 15 publications

(17 reference statements)

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“…However, the outcomes found cannot be attributed only to the platform-switching concept. Taking into account possible error in the measurement method 38 (accuracy of 0.44 mm), as well as large standard deviation, the outcomes may be limited by these values. Therefore, the results should be interpreted with caution.…”

Section: Discussionmentioning

confidence: 99%

“…The accuracy of this technique has been previously demonstrated, showing a precision value of 0.44 mm. 38 Each radiograph was captured by a Nikon D1 Digital Reflex camera (Nikon Medical Objective, Nikon) and was then processed by a Hewlett Packard processor (Intel Core Duo, Hewlett Packard). For the digital processing, an image measuring program, NIH ImageJ (Wayne Rasband, National Institutes of Health) was used.…”

Section: Radiographic Assessmentmentioning

confidence: 99%

See 1 more Smart Citation

Bone and Soft Tissue Response in Bone-Level Implants Restored with Platform Switching: A 5-Year Clinical Prospective Study

Lago¹,

Silva²,

Gude³

et al. 2017

Int J Oral Maxillofac Implants

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The aim of this prospective study was to evaluate radiographic levels of peri-implant bone crest as well as soft tissue response, papilla height, and buccal mucosa recession, in bone-level implants restored with platform switching after 1-year and 5-year follow-ups. Materials and Methods: This prospective study called for the placement of 59 implants to obtain a target of 90% power. To compensate for possible dropouts, the sample size was adjusted to 67 implants. To assess marginal bone level changes, periapical radiographs were taken at baseline, 1 year, and 5 years after the definitive restorations. Peri-implant soft tissue modifications were evaluated by performing a photographic sequence at 15 days, 1 year, and 5 years after implant restoration. Parameters measured were: (1) distance from the tip of the papilla to the contact point and (2) apicocoronal crown length. Results: A one-way analysis of variance (ANOVA rank test) was used to compare quantitative data among the three time points studied. Mean marginal bone level changes were as follows:-0.06 ± 0.32 mm from baseline to 1 year,-0.23 ± 0.38 mm from 1 to 5 years, and-0.28 ± 0.45 mm from baseline to 5 years. In bone-level outcomes, no statistically significant differences were found between baseline and 1 year, while the mean differences between 1 and 5 years and baseline and 5 years showed statistically significant differences. In the soft tissue analysis, the distance from the tip of the papilla to the contact point showed the following values: baseline, 2.08 mm; 1 year, 1.54 mm; 5 years, 1.31 mm. No statistically significant differences were found between baseline and 1 year, whereas statistically significant differences between the 1 and 5 years and baseline and 5 years were found. Apicocoronal crown length measurements showed the following values: baseline, 9.44 mm; 1 year, 9.28 mm; 5 years, 9.81 mm. No significant differences were found between times studied. Conclusion: This prospective clinical study of 67 bone-level implants restored according to the platform-switching concept reported that radiographic levels of peri-implant bone crest were statistically significant between 1 and 5 years and baseline and 5 years. For the soft tissue response, the greatest reduction in the distance from the papilla to the contact point from 1 to 5 years and baseline to 5 years was observed. No significant differences were shown in the buccal margin.

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Section: Discussionmentioning

confidence: 99%

Section: Radiographic Assessmentmentioning

confidence: 99%

Bone and Soft Tissue Response in Bone-Level Implants Restored with Platform Switching: A 5-Year Clinical Prospective Study

Lago¹,

Silva²,

Gude³

et al. 2017

Int J Oral Maxillofac Implants

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“…The radiographic determination of the periimplant bone level is important to establish the survival of the implant. The neck of the implant is an easy reference point to recognize owing to its shape, and allows higher accuracy in measuring the peri-implant bone level (Berglundh et al 2003;Salvi & Lang 2004;Ferná ndez-Formoso et al 2011).…”

Section: Discussionmentioning

confidence: 99%

Accuracy of enhancement filters in measuring in vitro peri‐implant bone level

de-Azevedo-Vaz

Neves

Figueirêdo

et al. 2012

Clinical Oral Implants Res

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“…Panoramic radiographs were taken to determine the presence of infection or peri‐implant radiolucency at 22‐year follow‐up. The marginal bone level (MBL) was evaluated by utilizing periapical radiographs obtained through parallel techniques at all‐time points. The bone level was measured from the reference point, R (implant/abutment junction) to the most coronally detectable bone‐implant intersection (Fig ).…”

Section: Methodsmentioning

confidence: 99%

A 22‐Year Follow Up of Immediate Implant Placement without Bone Augmentation: A Case Series Study

Assery

2020

Journal of Prosthodontics

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Purpose: To retrospectively evaluate the treatment outcome of immediate implants placed in fresh extraction sockets without bone augmentation after 22 years of function. Materials and Methods:The study group received implant therapy in 1997, including surgical placement and prosthodontic rehabilitation. The mean age of the subjects at the time of implant placement was 40 ± 5.54 years. A total of 35 subjects received 36 implants in fresh extraction sockets without bone augmentation. Definitive prostheses were placed 4 to 6 months after implant placement. Implant treatment outcomes were evaluated using clinical and radiographic parameters obtained during follow-up visits at 1, 5, 10, 15, 20, and 22 years after prosthetic loading. Results: Among the 35 treated subjects, five patients moved out of the country and could not be evaluated at the follow-up times. A total of 29 subjects were included in the study with a drop-out rate of 14.1%. Of these, one patient lost the implant during the osseointegration period before prosthodontic treatment. No other implant failure or complication during the rest of the follow-up period was reported, thus giving a cumulative survival rate of 97.2% during the 22-year follow-up. The change in marginal bone level was less than 2 mm in most subjects at the 22-year examination. The mean bone loss from baseline to 22-year follow-up was 1.61 mm, and the mean bone level at the 22-year follow-up examination was situated at 2.13 ± 0.023 mm from the implant platform, which was used as the reference point. Conclusions: Immediate implant placement in extraction sockets exhibits excellent prognosis even when bone augmentation is not performed.

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A paralleling technique modification to determine the bone crest level around dental implants

Cited by 23 publications

References 15 publications

Bone and Soft Tissue Response in Bone-Level Implants Restored with Platform Switching: A 5-Year Clinical Prospective Study

Bone and Soft Tissue Response in Bone-Level Implants Restored with Platform Switching: A 5-Year Clinical Prospective Study

Accuracy of enhancement filters in measuring in vitro peri‐implant bone level

A 22‐Year Follow Up of Immediate Implant Placement without Bone Augmentation: A Case Series Study

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