Characterisation of bone following ultrasonic cutting

Claire, Sunil; Lea, Simon C.; Walmsley, A. D.

doi:10.1007/s00784-012-0754-9

Cited by 36 publications

(24 citation statements)

References 13 publications

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“…) or to the bone surface by an ultrasonic surgical tip (Claire et al . ) has been related to repeated hitting by the oscillating instrument. The extent of damage on the root canal wall could not be quantified with the experimental setup used and was not within the scope of the present study.…”

Section: Discussionmentioning

confidence: 99%

Measurement and visualization of file‐to‐wall contact during ultrasonically activated irrigation in simulated canals

et al. 2013

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Section: Discussionmentioning

confidence: 99%

Measurement and visualization of file‐to‐wall contact during ultrasonically activated irrigation in simulated canals

et al. 2013

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“…Clinical and pre-clinical studies combined with in vitro studies have shown that piezosurgery produces clean and precise osteotomies with smooth walls and decreased bleeding [12,13]. Maurer at al.…”

Section: Introductionmentioning

confidence: 99%

Dynamics of bone healing after osteotomy with piezosurgery or conventional drilling– histomorphometrical, immunohistochemical, and molecular analysis

et al. 2013

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BackgroundPiezosurgery is an osteotomy system used in medical and dental surgery. Many studies have proven clinical advantages of piezosurgery in terms of quality of cut, maneuverability, ease of use, and safety. However, few investigations have tested its superiority over the traditional osteotomy systems in terms of dynamics of bone healing. Therefore, the aim of this study was to evaluate the dynamics of bone healing after osteotomies with piezosurgery and to compare them with those associated to traditional bone drilling.MethodsOne hundred and ten rats were divided into two groups with 55 animals each. The animals were anesthetized and the tibiae were surgically exposed to create defects 2 mm in diameter by using piezosurgery (Piezo group) and conventional drilling (Drill group). Animals were sacrificed at 3, 7, 14, 30 and 60 days post-surgery. Bone samples were collected and processed for histological, histomorphometrical, immunohistochemical, and molecular analysis. The histological analysis was performed at all time points (n = 8) whereas the histomorphometrical analysis was performed at 7, 14, 30 and 60 days post-surgery (n = 8). The immunolabeling was performed to detect Vascular Endothelial Growth Factor (VEGF), Caspase-3 (CAS-3), Osteoprotegerin (OPG), Receptor Activator of Nuclear Factor kappa-B Ligand (RANKL), and Osteocalcin (OC) at 3, 7, and 14 days (n = 3). For the molecular analysis, animals were sacrificed at 3, 7 and 14 days, total RNA was collected, and quantification of the expression of 21 genes related to BMP signaling, Wnt signaling, inflammation, osteogenenic and apoptotic pathways was performed by qRT-PCR (n = 5).ResultsHistologically and histomorphometrically, bone healing was similar in both groups with the exception of a slightly higher amount of newly formed bone observed at 30 days after piezosurgery (p < 0.05). Immunohistochemical and qRT-PCR analyses didn’t detect significant differences in expression of all the proteins and most of the genes tested.ConclusionsBased on the results of our study we conclude that in a rat tibial bone defect model the bone healing dynamics after piezosurgery are comparable to those observed with conventional drilling.

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“…; Claire et al. ). Intraoperative advantages of this technique are selective hard‐tissue cuts without damage to soft tissues and better visualization with profuse irrigation (Schlee et al.…”

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confidence: 97%

“…Piezoelectric surgery (PS) has been introduced as a valuable alternative to avoid disadvantages associated with the traditional rotating instruments (Schlee et al 2006;Maurer et al 2008). PS has been advocated to make precise, safe, less traumatic cuts, thus allowing increased osteogenic potential, less edema, better wound healing, and decreased presence of microfractures and smear layer than rotating instruments (Chiriac et al 2005;Maurer et al 2008;Rashad et al 2011;Trisi et al 2011;Baker et al 2012;Sch€ utz et al 2012;Claire et al 2013). Intraoperative advantages of this technique are selective hard-tissue cuts without damage to soft tissues and better visualization with profuse irrigation (Schlee et al 2006;Pavlikova et al 2011).…”

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confidence: 99%

The effect of piezoelectric surgery implant osteotomy on radiological and molecular parameters of peri‐implant crestal bone loss: a randomized, controlled, split‐mouth trial

Tekdal

Bostancı

Belibasakis

et al. 2015

Clinical Oral Implants Res

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AIM: To evaluate the effect of piezoelectric surgery (PS) implant osteotomy on biochemical and radiological parameters of crestal bone (CB) loss. MATERIAL AND METHODS: In this randomized, controlled, clinical study, 38 osteotomies were prepared with PS and drilling in the posterior maxilla in a split-mouth design. Implants were placed and left for non-submerged healing. Osteotomy time, insertion torque, pain perception, probing depth, and modified gingival and plaque indices were recorded. Peri-implant sulcular fluid (PISF) was collected from four sites of each implant at 2, 4, 8, 12, and 24 weeks. PISF samples were analyzed by ELISA for receptor activator of nuclear factor kappa-B-ligand (RANKL) and osteoprotegerin. CB loss was assessed on periapical radiographs at the 12th and on cone beam computed tomography (CBCT) at the 24th weeks. The influence of time and osteotomy method on biochemical and radiological parameters of CB loss employed statistical method of Brunner-Langer. RESULTS: Osteotomy time for PS group was significantly longer than the drill group (P < 0.05). Pain perception that was lower in the PS than in the drill group depended on osteotomy method (P < 0.05). PS group had lower RANKL total amount than the drill group (P < 0.05). Mean CB loss on periapical radiographs at the 12th week for PS and drill groups were 0.11 and 0.18 mm, respectively (P > 0.05). At the 24th week, PS and drill groups showed 0.11 and 0.12 mm CB losses on CBCT, respectively (P > 0.05). However, CB loss values did not depend on osteotomy modality (P > 0.05). CONCLUSION: PS may modify and reduce bone-destructive inflammatory response during implant osseointegration. Therefore, on the molecular level, it might be a less traumatic osteotomy modality than drilling although this was not reflected by CB loss values in the present study. Results: Osteotomy time for PS group was significantly longer than the drill group (p<0.05). Pain perception that was lower in the PS than the drill group depended to osteotomy method (p<0.05). PS group had lower RANKL total amount than the drill group (p<0.05). Mean CB loss on periapical radiographs at 12 th week for PS and drill groups were 0.11 mm and 0.18 mm, respectively (p>0.05). At 24 th week PS and drill groups showed 0.11 mm and 0.12 mm CB loss on CBCT, respectively (p>0.05). However, CB loss values did not depend on osteotomy modality (p>0.05). Conclusion:PS may modify and reduce bone-destructive inflammatory response during implant osseointegration. Therefore, it might be a less traumatic osteotomy modality than drilling although this was not reflected by CB loss values in the present study.

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Characterisation of bone following ultrasonic cutting

Abstract: Cutting of bone with ultrasonics is influenced by the load applied and the setting used. Care must be used to prevent the tip from sliding over the bone at low loadings.

Cited by 36 publications

References 13 publications

Measurement and visualization of file‐to‐wall contact during ultrasonically activated irrigation in simulated canals

Measurement and visualization of file‐to‐wall contact during ultrasonically activated irrigation in simulated canals

Dynamics of bone healing after osteotomy with piezosurgery or conventional drilling– histomorphometrical, immunohistochemical, and molecular analysis

The effect of piezoelectric surgery implant osteotomy on radiological and molecular parameters of peri‐implant crestal bone loss: a randomized, controlled, split‐mouth trial

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