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Case Reports
. 2019 Jun 11:2019:5216362.
doi: 10.1155/2019/5216362. eCollection 2019.

Guided Bone Regeneration of an Atrophic Maxilla Using Heterologous Cortical Lamina

Carlos Polis-Yanes  1 , Carla Cadenas-Sebastián  1 , Patricia Gual-Vaqués  1 , Raúl Ayuso-Montero  1   2 , Antoni Marí-Roig  2   3 , José López-López  2   4
Affiliations
Case Reports

Guided Bone Regeneration of an Atrophic Maxilla Using Heterologous Cortical Lamina

Carlos Polis-Yanes et al. Case Rep Dent. .

Abstract

Alloplastic dental implants are currently the best way to replace lost teeth. In order to achieve good function and prognosis of dental implants, having bone and soft tissue to support them is necessary. When the amount of bone left is not enough to ensure the outcome of the implant, techniques such as shorts implants, zygomatic implants, or guided bone regeneration have been used. Even though autologous bone is mostly the "gold standard," other biomaterials such as xenografts have led to the reduction of the morbidity of treatments and to the improvement of the regeneration technique outcomes. We present a clinical case of severe atrophy of the maxilla in which we used different types of biomaterials: heterologous cortical lamina, xenograft and autologous bone, and microscrews.

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Figures

Figure 1
Figure 1
Orthopantomography previous to dental extractions.
Figure 2
Figure 2
Previous CBCT.
Figure 3
Figure 3
Intraoral view before guided bone regeneration surgery.
Figure 4
Figure 4
Appearance of the bone after the mucoperiosteal flap. There is a great defect with horizontal and vertical component, not suitable for the placement of dental implants.
Figure 5
Figure 5
(a) Measurement of the most severe defect. (b) Measurement of the most severe defect.
Figure 6
Figure 6
Bone scraper to decorticate and to collect autologous bone.
Figure 7
Figure 7
Cortical lamina fixed with microscrews in its palatal portion.
Figure 8
Figure 8
Autologous bone and xenograft.
Figure 9
Figure 9
Bone graft placing taking as buccal limit the canine eminence conserved from the patient.
Figure 10
Figure 10
Buccal fixation of the cortical bone membrane with microscrews and covering of the mesial defect with a resorbable collagen membrane.
Figure 11
Figure 11
Suture without stress using monofilament suture.
Figure 12
Figure 12
Orthopantomography after the surgery.
Figure 13
Figure 13
CBCT after healing during 6 months.
Figure 14
Figure 14
Clinical view after 6 months during dental implant placement.
Figure 15
Figure 15
Orthopantomography after dental implant surgery.
See this image and copyright information in PMC

References

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