Long‐term stable vertical bone regeneration after sinus floor elevation and simultaneous implant placement with and without grafting

Verdugo, Fernando; Uribarri, Agurne; Laksmana, Theresia; D’Addona, Antonio

doi:10.1111/cid.12540

Cited by 13 publications

(14 citation statements)

References 22 publications

(40 reference statements)

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“…In addition, SGRI confirmed 9 sites had generated a new maxillary sinus floor outline with a well-defined lamina dura. Graft-Free Sinus Floor Elevation (GFSFE) has also been shown to result in high implant survival rates [ [39] , [40] , [41] , [42] , [43] ]. GFSFE is thought to be in line with the biological concept of tissue regeneration; a tented area is created to maintain the Schneiderian membrane in an elevated position, and the use of blood clots in place of bone substitutes stimulate new bone formation.…”

Section: Discussionmentioning

confidence: 99%

“…However, a recent systematic review reported mean vertical bone gains of only 3.8 mm, which was relatively low and wide ranging (1.8–7.9 mm) [ 44 ]. When compared to the graft-free tenting technique, BAOSFE results in more predictable outcomes on vertical bone gain, bone density, and tissue remodeling [ 7 , 43 , 45 ]. Bone grafts not only facilitate vertical bone formation, but also act as shock absorbers to reduce the risk of membrane perforation; a recent cadaver study suggested the elevation height in non-grafted areas should not exceed 5 mm to avoid membrane perforation [ 46 ].…”

Section: Discussionmentioning

confidence: 99%

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Grafted bone remodeling following transcrestal sinus floor elevation: A cone-beam computed tomography study

et al. 2021

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Background Transcrestal sinus floor elevation is a reliable procedure when additional bone height is needed for maxillary implant placement. However, the grafted bone undergoes remodeling and the dimensional stability of grafted bone height may be affected by several clinical factors, including graft material, sinus anatomy and the morphology of grafted space. Methods This retrospective study examined patients who had undergone transcrestal sinus floor elevation with synthetic biphasic calcium phosphate and single implant placement. The reduction of sinus graft height (GHR) after 6–8 months healing period was measured with cone-beam computed tomography (CBCT) images. Correlating factors, including vertical amount of implant protrusion (IP), sinus width, and the morphology of grafted space were analyzed by Spearman's correlation test. Results A total of 25 implant sites were analyzed. The mean GHR was 0.57 ± 0.49 mm, which was positively correlated with IP, vertical elevation height (VEH), and the ratio of vertical to horizontal elevation of the grafted space. However, GHR was not correlated with sinus width and mesial-distal or buccal-palatal width of the grafted space. Conclusions Synthetic biphasic calcium phosphate used in transcrestal sinus floor elevation underwent shrinkages and graft remodeling. Grafted height reduction was associated with IP, VEH, and the ratio of vertical to horizontal elevation of the grafted space.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Grafted bone remodeling following transcrestal sinus floor elevation: A cone-beam computed tomography study

et al. 2021

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“…Other authors have published similar outcomes in cases of ≤ 3 mm bone height with a survival rate ranging from 94% to 100% [31][32][33][34]. These authors stress the importance of "undersizing" the implant site in order to obtain correct primary stability.…”

Section: Discussionmentioning

confidence: 76%

“…Leblebicioglu was one of the first authors to perform sinus augmentation without the presence of any graft material. Many authors have continued this approach, obtaining similar results in terms of survival and spontaneous bone formation [15][16][17]19,20,24,27,33,34,40].…”

Section: Discussionmentioning

confidence: 99%

Sinus Floor Elevation via an Osteotome Technique without Biomaterials

Andrés-García

Ríos-Santos

Herrero-Climent³

et al. 2021

IJERPH

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According to classic Hirschfeld studies, the first teeth to be lost are the first and second maxillary molars. After the teeth are extracted and the alveolar process is developed, the maxillary sinus is reabsorbed and pneumatized with a decrease in bone availability in the posterior sector of the maxilla. This process often creates the need to perform regeneration techniques for the placement of implants in this area due to the low availability of bone. The most frequently used and documented technique for the elevation of the sinus maxillary floor is elevation by the side window, as proposed by Tatum. In 1994, Summers proposed a technique that allowed the elevation of the sinus floor from a crestal access using an instrument called an osteotome, as well as the placement of the implant in the same surgical act. The aimed of the study was to evaluate the survival of 32 implants placed in posterior maxilla with bone availability less than 5 mm performing a sinus lift augmentation technique with osteotome without biomaterials. The results of this study show a survival rate of 100% for 32 implants placed in situations with an initial bone availability of 2 to 5 mm without the use of graft material. The infra-drilling technique used offers an increase in the primary stability of implants that allows adequate osteointegration Implants placed were charged at 12 weeks. In all cases, spontaneous bone formation was observed, even in cases where a positive Valsalva maneuver was observed. This proposed technique reduces treatment time and the need for more invasive maxillary sinus augmentation techniques.

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“…Verdugo and colleagues compared the trans‐alveolar technique with or without graft material and found no difference in implant success despite the fact that vertical bone gain was higher in grafted sites.…”

Section: Introductionmentioning

confidence: 99%

A prospective study on ultra‐wide diameter dental implants for immediate molar replacement

Hattingh

Hommez

Bruyn

et al. 2018

Clin Implant Dent Rel Res

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Background Although wide diameter implants are well documented, little is known about ultra‐wide diameter implants (>6 mm). This study evaluates the clinical outcome of ultra‐wide diameter implants, placed in molar extraction sockets. Materials and Methods Ultra‐wide diameter implants (7‐9 mm) were placed immediately after molar extraction in a 1‐stage protocol, without raising a flap or using any bone grafts. After 4 months, the implant was loaded with a single screw‐retained crown. Bone loss was evaluated using peri‐apical radiographs. Plaque and bleeding were recorded. Crown and papilla dimensions were measured and compared with the contra‐lateral tooth. Results Fifty‐one patients (36 male and 15 female), mean ages 61 years old, were treated with 26 implants in the maxilla and 25 implants in the mandible. The majority had a thick (#19) or medium (#31) biotype. After a mean‐follow‐up period of 23 months, the mean bone level was located 1.16 mm apical of the implant‐abutment junction (SD 0.42, range 0.00‐2.45) while the actual bone remodeling associated with socket healing resulted in a mean coronal movement of the bone level of 0.15 mm. The mean insertion torque was 116 Ncm (SD 53, range 10‐250). There were no differences in papilla height (P = .55), crown length (P = .32), zenith (P = .84), and bucco‐palatal dimensions (P = .38). There was a significant difference in the mesio‐distal dimension (P = .01). Mean probing depth was 2.59 mm at the implant and 2.23 mm at the contra‐lateral tooth (P = .001). There was significantly more plaque at the tooth compared to the implant (P = .01), but there was no significant difference in terms of bleeding on probing (P = .08). Patient satisfaction was high with 72.5% of the patients experiencing no problems at all. Conclusions Ultra‐wide diameter implants have a predictable outcome, demonstrating very little bone loss. Papilla and crown dimensions were comparable to the contra‐lateral natural tooth.

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Long‐term stable vertical bone regeneration after sinus floor elevation and simultaneous implant placement with and without grafting

Cited by 13 publications

References 22 publications

Grafted bone remodeling following transcrestal sinus floor elevation: A cone-beam computed tomography study

Grafted bone remodeling following transcrestal sinus floor elevation: A cone-beam computed tomography study

Sinus Floor Elevation via an Osteotome Technique without Biomaterials

A prospective study on ultra‐wide diameter dental implants for immediate molar replacement

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