A Novel Alveolar Distractor Incorporating Nickel–Titanium Alloy Springs: A Preliminary In Vitro Study
Issued Date
2022-08-01
Resource Type
eISSN
19961944
Scopus ID
2-s2.0-85137147500
Journal Title
Materials
Volume
15
Issue
15
Rights Holder(s)
SCOPUS
Bibliographic Citation
Materials Vol.15 No.15 (2022)
Suggested Citation
Chancharoen S., Santiwong P., Seriwatanachai D., Khantachawana A., Chintavalakorn R. A Novel Alveolar Distractor Incorporating Nickel–Titanium Alloy Springs: A Preliminary In Vitro Study. Materials Vol.15 No.15 (2022). doi:10.3390/ma15155151 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/85076
Title
A Novel Alveolar Distractor Incorporating Nickel–Titanium Alloy Springs: A Preliminary In Vitro Study
Author's Affiliation
Other Contributor(s)
Abstract
A new design of an alveolar distractor using nickel–titanium (NiTi) open-coil springs was developed and investigated to produce distraction forces against the tensile forces of porcine attached gingiva to simulate human gingiva. We subjected 15 mm long NiTi open-coil springs (Highland and ORMCO) with three levels of forces (light, medium and heavy) to mechanical testing in a 37 ± 1 °C water bath. Ten strips of porcine mandibular attached gingiva were subjected to tensile tests to determine the resistance force. The forces from the springs were compared with the tensile forces from the porcine attached gingiva. Data between groups were analyzed with independent-samples T-tests (p-value < 0.05). The tensile strength and the Young modulus were greater in buccal compared to lingual porcine attached gingiva. Compared to other spring dimensions and companies, forces generated from 0.014 × 0.036″ ORMCO springs were the highest and could overcome the tensile resistance from porcine attached gingiva over the longest distraction range of 1.6 mm. This preliminary in vitro study introduced a new design of an alveolar distractor incorporated with NiTi open-coil springs that could generate light and continuous forces to overcome the resistance from porcine attached gingiva.