Three-year Follow-up of Immediately Loaded Implants in the Edentulous Atrophic Maxilla: A Study in Patients with Poor Bone Quantity and Quality

Thor, Andreas; Ekstrand, Karl; Baer, Russell A.; Toljanic, Joseph A.

doi:10.11607/jomi.3163

Cited by 15 publications

(22 citation statements)

References 7 publications

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“…30 In addition, graftless concepts carry a reduced risk of possible complications 31 and potential compromise of maxillary sinus physiology. 32 Implants in native nonaugmented jawbone also show favorable results in low bone quality-frequently encountered in the edentulous maxilla-as recently confirmed in a multicenter study 33 that restored patients with atrophic maxillae and bone densities of III or IV with immediate fixed provisionals on six implants and yielded an implant survival rate of 96% after 3 years.…”

Section: Discussionmentioning

confidence: 72%

Graftless Full-Arch Implant Rehabilitation with Interantral Implants and Immediate or Delayed Loading—Part I: Reconstruction of the Edentulous Maxilla

Busenlechner¹,

Mailath‐Pokorny²,

Haas³

et al. 2016

Int J Oral Maxillofac Implants

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To compare long-term survival and marginal bone loss of late interantral implants in the nonaugmented edentulous maxilla subjected to immediate vs delayed loading. Materials and Methods: One hundred twenty-two edentulous patients with implants in native, healed jawbone were subjected to either immediate loading (179 implants) or delayed loading (403 implants) of their four to six interantral implants (part I of 362 graftless maxillary cross-arch rehabilitations performed in the years 2004 to 2013). Kaplan-Meier survival estimates were computed, and marginal bone loss was evaluated in a stratified random sample of 20 patients per group. Results: Fifteen of 582 implants failed within the mean observation period of 4.7 years, and no difference in 8-year survival estimates could be seen between immediate (98.3% [95% CI: 96.4-100.0]) and delayed (96.7% [95% CI: 94.7-98.6]) loading protocols (P = .370). Mean marginal bone resorption following implant insertion did not differ significantly between the groups (1.1 ± 1.3 mm vs 1.4 ± 1.3 mm, P = .490). Conclusion: Immediate loading of interantral implants in the nonaugmented edentulous maxilla yields favorable results comparable to delayed loading and may be considered to shorten periods of removable provisional prostheses in maxillary edentulism.

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Section: Discussionmentioning

confidence: 72%

Graftless Full-Arch Implant Rehabilitation with Interantral Implants and Immediate or Delayed Loading—Part I: Reconstruction of the Edentulous Maxilla

Busenlechner¹,

Mailath‐Pokorny²,

Haas³

et al. 2016

Int J Oral Maxillofac Implants

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“…Radiology was performed for each patient before the clinical examination with the prosthesis in place and as previously described . It consisted of one panoramic image, followed by two intraoral images at each implant.…”

Section: Methodsmentioning

confidence: 99%

“…Out of the initial bi-center study design, only the subjects treated in the Swedish center was included in the current study. All subjects treated in Sweden and previously reported at three occasions [18][19][20] as half of the total study subject group of a multicenter study between Uppsala University hospital and The University of Chicago were asked to participate in the current follow-up study. [18][19][20] A detailed surgical and prosthetic treatment protocol have been described in prior publications.…”

Section: Study Setting and Treatment Protocolmentioning

confidence: 99%

“…[18][19][20] A detailed surgical and prosthetic treatment protocol have been described in prior publications. [18][19][20] All the study subjects had received six Astra Osseospeed…”

Section: Study Setting and Treatment Protocolmentioning

confidence: 99%

“…The intraoral images were utilized in a standardized fashion, which assured a clear view of the implant threads. All the radiographs were coded and sent to an independent radiologist that interpreted the images in the same standardized manner, [18][19][20] The remaining 22 subjects have been documented at prior published follow-ups of 1, 3, and 5-years. [18][19][20] In between the 5-year and 8 to 11 years follow-up, 1 patient lost 1 implant (1 implant failure).…”

Section: Inclusion Criteriamentioning

confidence: 99%

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Eight to eleven‐year follow‐up of immediately loaded implants placed in edentulous maxillae with compromised bone volume and poor bone quality: A prospective cohort study

Trbakovic

Toljanic

Kumar

et al. 2019

Clin Implant Dent Rel Res

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Background There is a lack of long‐term evaluations of immediately loaded implants in patients with compromised maxillary bone. Purpose To evaluate long‐term survival and success of immediately loaded implants in subjects with poor maxillary bone quality and volume. Material and methods Follow‐up was performed on subjects who received six implants loaded within 24 hours with screw‐retained fixed prostheses. Twenty‐five subjects with limited bone (Lekholm and Zarb, quantity 3 and 4, and quality C and D) were included in the study. Nineteen participated in the radiographic examination and of these 17 participated in the clinical examination at the last visit. Evaluations of marginal bone loss were performed at 1, 3, 5, and 8‐11 years. The last clinical examination included removal of the prosthesis followed by registration of: plaque, pus, pocket depth, bleeding upon probing, mobility, and percussion testing. Results The mean follow‐up was 9 years and 2 months (101‐131 months) after surgery and showed a cumulative implant survival rate of 81.9% and success rate of 74.7%. Mean marginal bone loss was 1.29 mm (SD 2.47 mm range 0‐11 mm) with a mean pocket depth of 3.1 mm (SD 2.4 mm, range 1.5‐13.5 mm). 42.5% of the implants showed plaque retention and 72.2% showed bleeding on probing. Conclusion This nonaugmenting immediate loaded implant protocol for maxillary edentulous patients is a satisfactory solution for selected patients.

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Alveolar Augmentation Using Different Bone Substitutes

Dimova

Evrosimovska

Zlatanovska

et al. 2015

Handbook of Bioceramics and Biocomposites

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Three-year Follow-up of Immediately Loaded Implants in the Edentulous Atrophic Maxilla: A Study in Patients with Poor Bone Quantity and Quality

Cited by 15 publications

References 7 publications

Graftless Full-Arch Implant Rehabilitation with Interantral Implants and Immediate or Delayed Loading—Part I: Reconstruction of the Edentulous Maxilla

Graftless Full-Arch Implant Rehabilitation with Interantral Implants and Immediate or Delayed Loading—Part I: Reconstruction of the Edentulous Maxilla

Eight to eleven‐year follow‐up of immediately loaded implants placed in edentulous maxillae with compromised bone volume and poor bone quality: A prospective cohort study

Alveolar Augmentation Using Different Bone Substitutes

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