2021
DOI: 10.1007/s10006-021-00946-y
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Sinus mucosa thinning and perforation after sinus augmentation. A histological study in rabbits

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Cited by 14 publications
(34 citation statements)
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“…Several sinus mucosa perforations at the implant apex and threads were found in both groups. This is in agreement with another experiment in rabbits in which implants were simultaneously placed after bilateral sinus augmentation using either a deproteinized bovine bone mineral (DBBM) or autogenous bone (AB) collected from the tibia [ 32 ]. The healing was evaluated after 7 days and 40 days, six animals each period.…”
Section: Discussionsupporting
confidence: 89%
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“…Several sinus mucosa perforations at the implant apex and threads were found in both groups. This is in agreement with another experiment in rabbits in which implants were simultaneously placed after bilateral sinus augmentation using either a deproteinized bovine bone mineral (DBBM) or autogenous bone (AB) collected from the tibia [ 32 ]. The healing was evaluated after 7 days and 40 days, six animals each period.…”
Section: Discussionsupporting
confidence: 89%
“…However, it also has to be considered that the DBBM granules were also associated with perforations of the sinus mucosa. After 7 days of healing, in that experiment [ 32 ], while no perforations in the AB particles were found, six perforations in two sinuses were observed in the DBBM granules. After 40 days of healing, three perforations of the mucosa in two sinuses were observed in association with DBBM granules, while no perforations were seen in the AB group, excluding those already described at the implants body.…”
Section: Discussionmentioning
confidence: 99%
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“…However, the contribution of the sinus mucosa in increasing this "virtual mucosa thickness" is limited. The histological changes of the thickness of the mucosa after sinus augmentation were studied in rabbits [47,55]. The pristine sinus mucosa presented a thickness of about 70-80 µm in both studies.…”
Section: Limitations Of the Studymentioning
confidence: 99%
“…Between 2 and 8 weeks, the sinus mucosa increased the dimensions by about 100 µm, mainly due to gland proliferations. In another experiment [55], either deproteinized bovine bone mineral or autogenous bone were used as fillers. After seven and 40 days of healing, several regions of the sinus mucosa were found presenting a reduced mucosa thickness (<40 µm), especially in the DBBM group.…”
Section: Limitations Of the Studymentioning
confidence: 99%