NDLI: Osteoconductive properties of ß-tricalcium phosphate matrix, polylactic and polyglycolic acid gel, and calcium phosphate cement in bone defects.

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Possible failures in certain aspects of the health care system that will need attention.

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Use of platelet-rich plasma in maxillofacial surgery.

Bloodless cleft surgery using vascular clamp.

Efficacy of external and endonasal dacryocystorhinostomy.

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Canalicular adenoma of the palate.

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External fixation in a low-velocity gunshot wound to the mandible.

Role of orthognathic surgery in the treatment of recurrent mandibular dislocation: importance of mandibular ramus inclination.

Survey on complications of orthognathic surgery among oral and maxillofacial surgeons.

Osteoconductive properties of ß-tricalcium phosphate matrix, polylactic and polyglycolic acid gel, and calcium phosphate cement in bone defects.

Paranasal sinus osteomas.

Anterolateral thigh flap for reconstruction of periorbital defect.

Endonasal endoscopic approach for recurrent nasolabial cyst.

Reverse quad helix appliance: differential anterior maxillary expansion of the cleft area before bone grafting.

Cervical osteophytes: a rare cause of obstructive sleep apnea.

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Monostotic fibrous dysplasia of the mandible.

Lingual schwannoma in pediatric patients.

Seasonal and yearly trends in cleft lip and palate in northeast Iran, 1989-2011.

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Comprehensive review of hyperbaric oxygen therapy.

Use of deepithelialized medial sural artery perforator flap for the correction of postoncologic facial contour deformity.

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Atypical traumatic subperiosteal orbital hematoma treated by surgical evacuation.

Large unicystic ameloblastoma of the mandible: management guided by biological behavior.

Eustachian tube function following total laryngectomy.

Diagnosis and treatment of ossified cephalhematoma.

18F-fluorodeoxyglucose-positive Warthin tumor in a contralateral cervical lymph node mimicking metastasis in tongue cancer staging with PET/CT.

Cutaneous Rosai-Dorfman disease recurrence in infraorbital region.

Characteristics of bisphosphonate-related osteonecrosis of the jaw after kidney transplantation.

Myositis ossificans traumatica of the masticatory muscles.

Recurrent mandibular dislocation treated by eminectomy.

Two-stage total prosthetic reconstruction of temporomandibular joint in severe and recurrent ankylosis.

Compromised primary implant stability.

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Osteoconductive properties of ß-tricalcium phosphate matrix, polylactic and polyglycolic acid gel, and calcium phosphate cement in bone defects.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Queiroz, Thallita P. Hochuli-Vieira, Eduardo Panzarini, Sônia R. Okamoto, Tetuo Margonar, Rogério Okamoto, Roberta Luvizuto, Eloá R.
Description	Country affiliation: Brazil Author Affiliation: Luvizuto ER ( Department of Surgery and Integrated Clinic, Araçatuba Dental School, UNESP-Univ Estadual Paulista, São Paulo, Brazil. eloa@foa.unesp.br)
Abstract	Extensive bone defects in maxillofacial region can be corrected with autogenous grafts; otherwise, the disadvantages of the therapeutics modality take the research for new bone substitutes. The aim of the study was to evaluate and compare the osteoconductive properties of 3 commercial available biomaterials. A total of 30 calvarial defects (5-mm diameter) were randomly divided into 5 treatment groups, with a total of 6 defects per treatment group (n = 6). The treatment groups were as follows: 500 to 1000 µm ß-tricalcium phosphate (ß-TCP), polylactic and polyglycolic acid (PL/PG) gel, calcium phosphate cement, untreated control, and autograft control. The evaluations were based on histomorphometric analysis at 60 postoperative days. The results have shown that ß-TCP and autograft control supported bone formation at 60 postoperative days. ß-Tricalcium phosphate showed the highest amount of mineralized area per total area and statistically significant compared with PL/PG, calcium phosphate cement, and untreated control groups. The PL/PG gel does not have osteoconductive properties and performed similar to empty control. Calcium phosphate cement showed higher number of multinucleated giant cells around the sites of the biomaterial and showed newly formed bone only at the edges of the biomaterial, without bone formation within the biomaterial. The findings presented herein indicate that bone formation reached a maximum level when rat calvarial defects were filled with ß-TCP at 60 postoperative days. Further studies should be conducted with ß-TCP to understand the potential of this biomaterial in bone regeneration.
ISSN	10492275
Issue Number	5
Volume Number	23
e-ISSN	15363732
Journal	Journal of Craniofacial Surgery
Language	English
Publisher	Lippincott Williams & Wilkins
Publisher Date	2012-09-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bone Regeneration Drug Effects Bone Substitutes Pharmacology Calcium Phosphates Lactic Acid Polyglycolic Acid Polymers Skull Surgery Animals Polyesters Rats Rats, Wistar Pathology Journal Article Discipline Medicine Discipline Otorhinolaryngology Discipline Surgery
Content Type	Text
Resource Type	Article
Subject	Otorhinolaryngology Surgery

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