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20 Cards in this Set
- Front
- Back
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Monocortical grafts or guided bone graft augmentations are best for (small/med/lg) vertical defects, and can vertically augment the alveolar ridge by a up to _____ mm
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Small
10 |
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Monocortical grafts or guided bone graft augmentations require at minimum how many months for follow graft incorporation and implant placement?
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6 months
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Mandibular block autografts are best for (small/med/lg) vertical defects, and can vertically augment the alveolar ridge by a up to _____ mm
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Small
6 |
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What bone type (1/2/3/4) is found in the ramus buccal shelf?
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Type 1
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What bone type (1/2/3/4) is found in the symphysis?
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Type 2 (occasionally type 1)
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What is the primary complication of monocortical block grafts, and what is the main cause?
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Dehiscence
Primary closure under tension |
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T/F: Implants can be placed at the time of monocortical block graft placement?
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F
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What are four key principles that should be followed for mandibular block graft success?
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Site preparation (fenestration and mortise)
Graft fixation (2 screws, no contact by prosthesis) Tension-free primary closure Implant placement must follow follow graft incorporation |
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Symphysis block grafts can be used for predictable horizontal augmentation of up to ____ mm, and vertical augmentation of up to ____ mm
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7
6 |
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What biotype and gingival architecture contraindicates the use of monocortical block grafts?
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Thin biotype with highly scalloped margins
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The authors recommend what approach to the symphysis (sulcular vs vestibular)? Which is more prone to bleeding and dehiscence?
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Sulcular
Vestibular |
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For symphysis graft harvest, how close can one get to the mental foramena, dental apecies, and inferior border of mandible?
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5 mm
5 mm 4 mm |
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What is the indication to place praticulate graft in the symphyseal donor site?
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To allow for a secondary black harvest
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Symphysis donor site morbidity incidence:
Dysesthesia of mandibular teeth Hypoesthesia of lower lip Infection |
19% temp, <1% permanent
53% temp, <1% permanent <1% |
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Ramus donor site morbidity incidence:
Trismus Infection Hypoesthesia of IAN |
34%
<1% 8% temp, <1% permanent |
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Incidence of mandibular block graft dehiscence and graft failure
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2.5%
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interpositional bone graft can increase the vertical height of the basal bone by ___ mm in the maxilla and ___ mm in the mandible
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4-5 Maxilla
5-10 Mandible |
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In distraction oeteogensis, what is the smallest size the distracted SEGMENT can be? What then must the width and height of the distraction SITE be?
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5 x 5 mm
5 mm width, 8-10 mm height |
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What is 5-year failure rate of implants by almost any grafting technique?
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<20%
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T/F: Allogeneic bone slows down the consolidation process.
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T
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