Resonance Frequency Analysis Mapping During Implant Healing Using a Nanostructured Hydroxyapatite Surface
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2022-11-11Autor(es)
Cayo Rojas, César Félix
Rosas-Díaz, José Carlos
Malpartida-Carrillo, Violeta
Córdova-Limaylla, Nancy Edith
Guerrero, Maria Eugenia
Palomino-Zorrilla, Jerson Jimmy
Cervantes-Ganoza, Luis Adolfo
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Aim: Stability measured by resonance frequency analysis (RFA) is an important
factor to be considered in the success of dental implant treatments, which can
be evaluated from the implant stability quotient (ISQ). The aim of the present
case series was to map the RFA during healing of implants with nanostructured
hydroxyapatite surface to describe the behavior of ISQ values related to
individual factors. Materials and Methods: Twenty-three implants were placed in
eight patients by conventional surgical protocol, and ISQ values were monitored
from the day of implant placement until week 20. To obtain the ISQ values, an
Osstell device was used and the placed implants were grouped in proportional
amounts to describe the ISQ behavior considering the length (≤10 or >10mm),
the diameter (3.5 or 4.3mm), the insertion torque (<40 N-cm or ≥40 N-cm), and
the placement area (maxilla or mandible). Results: All the implants assessed
decreased their values in the first 3 weeks after placement. Subsequently, the ISQ
values increased by amounts similar to those obtained at the time of the placement
and even more. Implants with length >10mm, diameter 4.3mm, and insertion
torque ≥40 N-cm showed the highest ISQ values. Conclusions: A decrease in the
ISQ values of dental implants with nanostructured hydroxyapatite surface was
evidenced between weeks 2 and 3 considering length, diameter, insertion torque,
and maxillary or mandibular placement site.
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