José-Cicero Dinato’s scientific contributions

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Publications (1)

Fig. 1: a) Intraoral aspect with prosthesis in position; b) Initial intraoral aspect; c) Line of incision towards the palatal aspect of the ridge in the maxilla with oblique-releasing incisions; d) Mucoperiosteal flap raised; e) Lateral window to the maxillary sinus; f) Deflection of Schneider's membrane; g) Maxillary sinus filled with small particles of biomaterial; h) Horizontal increase in the anterior region with Bio-Oss (Geistlich); i) Resorbable collagen membrane covering the grafted region; j) Horizontal mattress sutures and single interrupted sutures; k) Intraoral aspect after 6 months; l) Guided surgery for implants placement; m) Milled bar connecting implants for immediate loading with temporary overdenture; n) Full denture with resilient material; o) Intraoral aspect 6 months after implant installation; p) Fixed final prosthesis over the implants
Fig. 2: Tomographic images to be superposed for subsequent measurements. a) CBCT before bone graft, b) CBCT before implant placement.
Fig. 3: Measures in the CBCT before bone graft (a) and before implant placement (b).
Fig. 4: White line showing the measurement in the CBCT before bone graft (a) and green line showing the measurement in the CBCT before implant placement (b) superimposed on both tomographies to facilitate visualization of the bone gain.
Comparison of gain in bone width (mm) after bone graft between different variables.
Maxilla reconstruction with 100% BioOss: A clinical and tomographic follow-up study
  • Article
  • Full-text available

September 2024

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62 Reads

Journal of Clinical and Experimental Dentistry

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José-Cicero Dinato

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Background Tooth loss and use of a complete denture is still a reality and results in bone loss. Adequate reconstruction of an extremely atrophic edentulous maxilla is a challenge, and different treatment methods have been described for its resolution. Material and Methods Patients seeking implant placement in edentulous upper jaw with atrophic maxilla were selected in a private clinic in Porto Alegre, Brazil. The bone graft was performed with bilateral sinus lift and horizontal bone graft in anterior region with 0,25-1mm particles of Bio-Oss (Geistlich) covered with a collagen membrane (Bio-Gide, Geistlich). CBCTs were evaluated to verify the need for bone graft, and 6-8 months after bone graft follow-up, to plan implant placement and assess horizontal bone gain. Results 124 implants were placed in 19 patients, 76 of those in the sinus region. The survival rate was 95.2%, with six implants lost over a mean implants follow-up time of 47.68 months. The horizontal bone gain ranged from 0.00 to 6.86 mm, a mean gain of 2.85mm. An average of 5.5g of Bio-Oss was used per patient, and in 73.7 % of the cases, a flapless surgery was possible for implant placement, and in 92 implants an immediate loading was possible. Final rehabilitation was accomplished with fixed prosthodontics in 16 patients with a mean follow-up of 38.4 months. Conclusions Within the limitations of this study, it is possible to affirm that bone graft with 100% Bio-Oss in atrophic maxilla is a reliable treatment and allow rehabilitation with implants with a high survival rate and the higher the initial bone height, the greater the gain in bone width. Key words:Bone Regeneration, Dental Implants, Prosthodontics, Dentistry.

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