A novel auxiliary device enhances miniscrew stability under immediate heavy loading simulating orthopedic treatment

Yamagata, Keita; Oga, Yasuhiko; Kwon, Sangho; Maeda‐Iino, Aya; Ishikawa, Takanori; Miyawaki, Shuichi

doi:10.2319/022222-163.1

Cited by 2 publications

(4 citation statements)

References 25 publications

(39 reference statements)

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“…The sample of animals included ranged from 2 [ 45 ] to 144 [ 67 ] and these studies were performed between 2003 [ 68 ] and 2023 [ 31 , 69 , 70 , 71 ].…”

Section: Resultsmentioning

confidence: 99%

“… Comparison of RTV (removal torque value) using SLA surface treatment: blue color- results of individual studies; red color- meta-analysis result [ 71 , 74 , 84 , 88 ]. …”

Section: Figurementioning

confidence: 99%

“…However, upon considering the confidence interval (95% CI [−0.10; 2.46]), it is appropriate to conclude that there are no statistically significant differences between the groups. results of individual studies; red color-meta-analysis result [71,74,84,88].…”

Section: In Vivo Studiesmentioning

confidence: 99%

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Surface Treatment of Dental Mini-Sized Implants and Screws: A Systematic Review with Meta-Analysis

Figueiredo,

Travassos,

Nunes

et al. 2024

JFB

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Miniscrews are devices that allow for absolute skeletal anchorage. However, their use has a higher failure rate (10–30%) than dental implants (10%). To overcome these flaws, chemical and/or mechanical treatment of the surface of miniscrews has been suggested. There is no consensus in the current literature about which of these methods is the gold standard; thus, our objective was to carry out a systematic review and meta-analysis of the literature on surface treatments of miniscrews. The review protocol was registered (PROSPERO CRD42023408011) and is in accordance with the PRISMA guidelines. A bibliographic search was carried out on PubMed via MEDLINE, Cochrane Library, Embase and Web of Science. The initial search of the databases yielded 1684 results, with 98 studies included in the review, with one article originating from the search in the bibliographic references of the included studies. The results of this systematic review show that the protocols of miniscrew surface treatments, such as acid-etching; sandblasting, large-grit and acid-etching; photofunctionalization with ultraviolet light; and photobiomodulation, can increase stability and the success of orthodontic treatment. The meta-analysis revealed that the treatment with the highest removal torque is SLA, followed by acid-etching. On the other hand, techniques such as oxidative anodization, anodization with pre-calcification and heat treatment, as well as deposition of chemical compounds, require further investigation to confirm their effectiveness.

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“…The sample of animals included ranged from 2 [ 45 ] to 144 [ 67 ] and these studies were performed between 2003 [ 68 ] and 2023 [ 31 , 69 , 70 , 71 ].…”

Section: Resultsmentioning

confidence: 99%

“… Comparison of RTV (removal torque value) using SLA surface treatment: blue color- results of individual studies; red color- meta-analysis result [ 71 , 74 , 84 , 88 ]. …”

Section: Figurementioning

confidence: 99%

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Surface Treatment of Dental Mini-Sized Implants and Screws: A Systematic Review with Meta-Analysis

Figueiredo,

Travassos,

Nunes

et al. 2024

JFB

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“…The stability of the OAS was previously tested in a variety of ways. 15,16 However, there is no report that bone-filling materials were applied for fixation of reinserted OASs. Among those bone-filling materials, b-TCP was selected as the fixation tool for OAS reinsertion because b-TCP is absorbed by osteoclasts and is quickly replaced by new bone.…”

Section: Discussionmentioning

confidence: 99%

Fixation of an orthodontic anchor screw using beta-tricalcium phosphate in a screw-loosening model in rats

Nishioka-Sakamoto¹,

Hotokezaka²,

Hotokezaka³

et al. 2023

The Angle Orthodontist

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Objectives To create an orthodontic anchor screw (OAS)–loosening model and to investigate whether filling the bone hole with beta-tricalcium phosphate (β-TCP) can fix the OAS against orthodontic force. Materials and Methods Bone holes with different diameters (1.6, 2.1, or 2.5 mm) were drilled in the tibias of 11-week-old male Wistar rats, and an OAS (3.0 mm in length and 1.2 mm in diameter) was inserted. After a healing period of 2 or 4 weeks, orthodontic force was applied, and the diameter of the bone hole appropriate for the loosening model was determined. Subsequently, under the loosening model, the bone hole was filled with β-TCP, orthodontic force was applied, and movement of the OAS and surrounding tissue changes were evaluated by micro–computed tomography images and histological specimen analysis. Results The bone hole of 1.6 mm in diameter was employed as the OAS-loosening model. When β-TCP was inserted into the bone hole, the linear distance and mesial tipping angle of the OAS movement decreased markedly. Furthermore, the values of bone morphometry significantly increased with β-TCP filling. Conclusions An OAS-loosening model was established in rats and demonstrated that the loosening OAS was stabilized by β-TCP filling through bone formation. β-TCP may be useful for fixation of a loosening OAS.

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A novel auxiliary device enhances miniscrew stability under immediate heavy loading simulating orthopedic treatment

Cited by 2 publications

References 25 publications

Surface Treatment of Dental Mini-Sized Implants and Screws: A Systematic Review with Meta-Analysis

Surface Treatment of Dental Mini-Sized Implants and Screws: A Systematic Review with Meta-Analysis

Fixation of an orthodontic anchor screw using beta-tricalcium phosphate in a screw-loosening model in rats

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