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Drilling dimension ...
Drilling dimension effects in early stages of osseointegration and implant stability in a canine model
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Baires-Campos, Felipe-Eduardo (author)
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- Jimbo, Ryo (author)
- Malmö högskola,Odontologiska fakulteten (OD)
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Bonfante, Estevam-Augusto (author)
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Fonseca-Oliveira, Maiolino-Thomaz (author)
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Moura, Camila (author)
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Zanetta-Barbosa, Darceny (author)
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Coelho, Paulo-Guilherme (author)
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(creator_code:org_t)
- Medicina Oral S L, 2015
- 2015
- English.
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In: Medicina Oral. - : Medicina Oral S L. - 1698-4447 .- 1698-6946. ; 20:4, s. E471-E479
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https://doi.org/10.4...
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https://mau.diva-por... (primary) (Raw object)
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https://doi.org/10.4...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Background: This study histologically evaluated two implant designs: a classic thread design versus another specifically designed for healing chamber formation placed with two drilling protocols. Material and Methods: Forty dental implants (4 1 mm diameter) with two different macrogeometries were inserted in the tibia of 10 Beagle dogs, and maximum insertion torque was recorded. Drilling techniques were: until 3.75 mm (regular-group); and until 4.0 mm diameter (overdrilling-group) for both implant designs. At 2 and 4 weeks, samples were retrieved and processed for histomorphometric analysis. For torque and BIC (bone-to-implant contact) and BAFO (bone area fraction occupied), a general-linear model was employed including instrumentation technique and time in vivo as independent. Results: The insertion torque recorded for each implant design and drilling group significantly decreased as a function of increasing drilling diameter for both implant designs (p<0.001). No significant differences were detected between implant designs for each drilling technique (p>0.18). A significant increase in BIC was observed from 2 to 4 weeks for both implants placed with the overdrilling technique (p<0.03) only, but not for those placed in the 3.75 mm drilling sites (p>0.32). Conclusions: Despite the differences between implant designs and drilling technique an intramembranous-like healing mode with newly formed woven bone prevailed.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Odontologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dentistry (hsv//eng)
Keyword
- Histomorphometry
- biomechanical
- in vivo
- initial stability
- insertion torque
- osseointegration
Publication and Content Type
- ref (subject category)
- art (subject category)
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