The effect of magnesium on bioactivity, rheology and biology behaviors of injectable bioactive glass-gelatin-3-glycidyloxypropyl trimethoxysilane nanocomposite-paste for small bone defects repair

Author(s):  
Mehri Sohrabi ◽  
Bijan Eftekhari Yekta ◽  
Hamidreza Rezaie ◽  
Mohammad Reza Naimi-Jamal ◽  
Ajay Kumar ◽  
...  
2019 ◽  
Vol 70 (6) ◽  
pp. 1983-1987
Author(s):  
Cristian Trambitas ◽  
Anca Maria Pop ◽  
Alina Dia Trambitas Miron ◽  
Dorin Constantin Dorobantu ◽  
Flaviu Tabaran ◽  
...  

Large bone defects are a medical concern as these are often unable to heal spontaneously, based on the host bone repair mechanisms. In their treatment, bone tissue engineering techniques represent a promising approach by providing a guide for osseous regeneration. As bioactive glasses proved to have osteoconductive and osteoinductive properties, the aim of our study was to evaluate by histologic examination, the differences in the healing of critical-sized calvarial bone defects filled with bioactive glass combined with adipose-derived mesenchymal stem cells, compared to negative controls. We used 16 male Wistar rats subjected to a specific protocol based on which 2 calvarial bone defects were created in each animal, one was filled with Bon Alive S53P4 bioactive glass and adipose-derived stem cells and the other one was considered control. At intervals of one week during the following month, the animals were euthanized and the specimens from bone defects were histologically examined and compared. The results showed that this biomaterial was biocompatible and the first signs of osseous healing appeared in the third week. Bone Alive S53P4 bioactive glass could be an excellent bone substitute, reducing the need of bone grafts.


Author(s):  
Van Gestel Nicole ◽  
Hulsen Dennis ◽  
Arts Jacobus ◽  
Geurts Jan ◽  
Ito Keita ◽  
...  

2021 ◽  
Vol 9 (5) ◽  
pp. 630-638
Author(s):  
Fatema Aziz Al-Sayed ◽  
◽  
Radwa Hamed Hegazy ◽  
Zeinab Amin Salem ◽  
Hanan Hassan El-Beheiry ◽  
...  

An ideal biomaterial for bone regeneration is a longstanding quest nowadays. This study aimed to evaluate the osteogenic potentiality of nano-bioactive glass enhanced biocement based silicate with or without hyaluronic acid seeded in rabbits’ tibial bone defects. For this, 24 male rabbits with two 5 mm defects (1 defect per tibia) were divided into three equal groups. Among the predefined three groups, for the rabbits of group 1(control) bone defects were left untreated while for the members of group 2 defects received nano-bioactive glass enhanced biocement based silicate cement, and group 3 defects received nano-bioactive glass cement mixed with hyaluronic acid. Animals of each group were divided equally for euthanization after 3 and 6 weeks. Bone specimens were processed and examined histologically with histomorphometrically analysis of new bone area percentage. The bone defects in group 3 showed significantly improved osseous healing histologically as compared to the group 1&2. The morphometric analysis also revealed a significant increase in the new bone area percentage in group 3 as compared to the group 1 and 2 (P < 0.05). The results of the present study can be concluded that bone defects could be treated with nano-bioactive glass and hyaluronic acid cement. Although, nano-bioactive glass alone was capable of bone regeneration the combination of both had significant regenerative capacity.


2019 ◽  
Vol 40 (4) ◽  
pp. e415-e423 ◽  
Author(s):  
Anne Kluge ◽  
Marcus Neudert ◽  
Christiane Kunert-Keil ◽  
Susen Lailach ◽  
Thomas Zahnert ◽  
...  

1990 ◽  
Vol 15 (3) ◽  
pp. 331-334
Author(s):  
P. TORDAI ◽  
M. HOGLUND ◽  
H. LUGNEGÅRD

46 enchondromata of the hand have been treated by simple curettage without bone grafting. 82% healed and 16% were left with only small bone defects. Only one patient had a clear-cut recurrence requiring re-operation. This simple method, performed on out-patient basis, is recommended.


2018 ◽  
Vol 33 (1) ◽  
pp. 169-174 ◽  
Author(s):  
Guilherme Moreira ◽  
Patrick Alves ◽  
Luis Esper ◽  
Michyele Sbrana ◽  
Gisele Dalben ◽  
...  

2018 ◽  
Vol 14 (4) ◽  
pp. 471-484 ◽  
Author(s):  
Xin Qi ◽  
Hui Wang ◽  
Yadong Zhang ◽  
Libin Pang ◽  
Wei Xiao ◽  
...  

1995 ◽  
Vol 66 (5) ◽  
pp. 463-467 ◽  
Author(s):  
Jouni T Heikkilä ◽  
Heikki J Aho ◽  
Antti Yli-urpo ◽  
Risto-Pekka Happonen ◽  
Allan J Aho

2017 ◽  
Vol 2017 ◽  
pp. 1-8 ◽  
Author(s):  
Yicun Wang ◽  
Hui Jiang ◽  
Zhantao Deng ◽  
Jiewen Jin ◽  
Jia Meng ◽  
...  

Background. To compare the salvage rate and complication between internal fixation and external fixation in patients with small bone defects caused by chronic infectious osteomyelitis debridement. Methods. 125 patients with chronic infectious osteomyelitis of tibia fracture who underwent multiple irrigation, debridement procedure, and local/systemic antibiotics were enrolled. Bone defects, which were less than 4 cm, were treated with bone grafting using either internal fixation or monolateral external fixation. 12-month follow-up was conducted with an interval of 3 months to evaluate union of bone defect. Results. Patients who underwent monolateral external fixation had higher body mass index and fasting blood glucose, longer time since injury, and larger bone defect compared with internal fixation. No significant difference was observed in incidence of complications (23.5% versus 19.3%), surgery time (156±23 minutes versus 162±21 minutes), and time to union (11.1±3.0 months versus 10.9±3.1 months) between external fixation and internal fixation. Internal fixation had no significant influence on the occurrence of postoperation complications after multivariate adjustment when compared with external fixation. Furthermore, patients who underwent internal fixation experienced higher level of daily living scales and lower level of anxiety. Conclusions. It was relatively safe to use internal fixation for stabilization in osteomyelitis patients whose bone defects were less than 4 cm and infection was well controlled.


2010 ◽  
Vol 19 (1) ◽  
pp. 102-107 ◽  
Author(s):  
Pavel Šponer ◽  
Karel Urban ◽  
Elen Urbanová ◽  
Karel Karpaš ◽  
Pradeep George Mathew

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