Crestal Sinus Lift With Sequential Drills and Simultaneous Implant Placement in Sites With &lt;5 mm of Native Bone: A Multicenter Retrospective Study

Bernardello, Fabio; Righi, Davide; Cosci, Ferdinando; Bozzoli, Paolo; Soardi, Carlo Maria; Spinato, Sergio

doi:10.1097/id.0b013e3182342052

Cited by 42 publications

(54 citation statements)

References 21 publications

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“…[19][20][21] Recent studies have shown an implant survival rate similar to that of implants inserted in nonaugmented sites, also in the presence of minimal residual bone height (lower than 5 mm). 23,24 The crestal approach is more conservative than the lateral one. In fact, in residual alveolar bone height from 3 to 6 mm, a transalveolar procedure may lead to less complications and less postoperative morbidity than lateral window technique.…”

Section: Discussionmentioning

confidence: 98%

“…33 However, the achievable bone gain after crestal sinus lift without graft is limited (1.7 mm), 34 whereas using a graft more significant bone gain (4-6 mm) is reported. 23,34 The lack of implant insertion during the first surgical step could lead to a greater graft shrinkage. For this reason, a slow resorption graft material was used to avoid the collapse of the augmented site and its repneumatization.…”

Section: Discussionmentioning

confidence: 99%

“…(Implant Dent 2014;23:378-386) Key Words: histology, 2-stage crestal sinus lift and that the crestal approach should be considered a viable technique also for use in patients with residual bone height of #5 mm. 23,24 Nevertheless, the ability to ensure high primary implant stability in a severely atrophic ridge is of primary concern. Therefore, a staged crestal technique is recommended in these situations.…”

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confidence: 99%

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Two-Stage Crestal Sinus Elevation by Sequential Drills in Less Than 4 mm of Residual Ridge Height

Bernardello¹,

Massaron²,

Spinato³

et al. 2014

Implant Dentistry

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Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Two-Stage Crestal Sinus Elevation by Sequential Drills in Less Than 4 mm of Residual Ridge Height

Bernardello¹,

Massaron²,

Spinato³

et al. 2014

Implant Dentistry

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“…The OSFE procedure involves initial fixation of the implant using the residual alveolar ridge. A residual bone height of less than 4 mm is associated with reduced primary implant stability [15, 16], and a minimum of 5 mm of preoperative bone height has been suggested by many authors [17, 18]. Toffler reported that the primary factor in predicting implant survival using OSFE procedures was the residual height of the alveolar ridge and its ability to stabilize the implant [19].…”

Section: Discussionmentioning

confidence: 99%

Staged Osteotome Sinus Floor Elevation for Progressive Site Development and Immediate Implant Placement in Severely Resorbed Alveolar Bone: A Case Report

Al-Almaie

2013

Case Reports in Dentistry

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This case report discusses osteotome sinus floor elevation (OSFE) and immediate placement in 2 stages in severely resorbed alveolar bone height in which multiple implant placement is not otherwise feasible due to a lack of initial stability. The first implant placed using OSFE without bone grafting prepares the adjacent resorbed sites for further implant placement in the sinus areas, which allows for better initial stability and early functional loading. This process avoids the conventional extensive lateral approach for sinus lifting and bone grafting procedures even in extremely resorbed alveolar bone.

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“…Schneider's membrane elevation can be achieved through a lateral (15) or transcrestal (8) surgical approach to increase the residual subantral bone (15)(16)(17)(18)(19). The bone grafts regeneration of maxillary atrophies and of the sinus floor is a proven long-term option of treatment (20)(21)(22)(23)(24); however, patients may refuse such procedure for the invasiveness of the technique, the increased time of healing and additional costs. Lateral antrostomy can result in significant postsurgical morbidity and presents an increased risk of tearing of the membrane (21).…”

Section: Introductionmentioning

confidence: 99%

Transcrestal guided sinus lift without grafting materials: a 36 months clinical prospective study

Spinelli¹,

Vico²,

Condò

et al. 2015

ORL

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SUMMARYPurpose. This study describes the ability to perform a technique for bone regeneration in maxillary posterior deficit (TGSL) without the use of bone grafting materials using a highly minimally invasive protocol. Materials and methods. Sixty six implants have been inserted in the sinus floor of a total of 39 patients through the transcrestal guided sinus lift technique (TGSL). All patients have been followed for at least three years in function. The drilling protocol was adapted on the basis of bone density of each implant site to achieve a torque between 45 and 55 Ncm. Healing titanium abutments tightened to 35 Ncm have been used. A CAD/CAM metal ceramics final prosthetic restoration has been generated a six months after the tissues healing and the provisional functionalization of the occlusion. Survival rate of implants and prostheses, biological and biomechanical complications, changes in marginal bone levels, and total height of alveolar crest bone before and after surgery have been evaluate and measured by the results obtained in this prospective study. It was also measured the periodontal parameters as well as levels of perception of pain by the patient during the entire recovery period.Results. The result of the data of follow-up was 41.96 (24 to 36) months. Cumulative implant survival was 98.53% at 3 years. There were no biological and mechanical complications and there were no prosthetic failures during the whole period of follow-up. The Marginal Bone Loss (MBL) average during the first year of operation was from 0.33 to 0.36 mm, while the 3-year follow-up, the MBL average was 0.51 to 0.29 mm. The average of residual bone height of alveolar ridge before treatment was 6.7 to 1.6 mm (range 5.1 to 9.2 mm), while the average bone height was gained 6,4 -1.6 mm (range 3.2 to 8.1 mm). All patients reported lower pain levels and found to have normal periodontal parameters. Conclusions. This study suggests that the use of guided surgery to perform transcrestal maxillary sinus lift to increase the sub-antral crestal height is a minimally invasive technique of success for the short and medium-term of follow-up, thus avoiding the extended treatment time and reducing the morbidity associated with the lifting of the floor of the maxillary sinus with traditional technique using bone grafting materials. Furthermore, this protocol without the use of graft materials does not vary the final outcome that have demonstrated the presence of newly formed bone around implants offering always predictable results, and giving a further reduction in the costs of the procedure rehabilitation.

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Crestal Sinus Lift With Sequential Drills and Simultaneous Implant Placement in Sites With <5 mm of Native Bone: A Multicenter Retrospective Study

Abstract: The investigation suggests that this crestal drill approach can be a successful sinus lifting procedure in a severe atrophic maxilla with <5 mm of crestal bone height.

Cited by 42 publications

References 21 publications

Two-Stage Crestal Sinus Elevation by Sequential Drills in Less Than 4 mm of Residual Ridge Height

Two-Stage Crestal Sinus Elevation by Sequential Drills in Less Than 4 mm of Residual Ridge Height

Staged Osteotome Sinus Floor Elevation for Progressive Site Development and Immediate Implant Placement in Severely Resorbed Alveolar Bone: A Case Report

Transcrestal guided sinus lift without grafting materials: a 36 months clinical prospective study

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