Novel Scleroprotein-Based Biomaterials Improve Regenerative Therapies

Researchers from Tanta University have made significant strides in the field of regenerative therapies using novel biomaterials. In a recent study published in the Journal of Oral Biology and Craniofacial Research, researchers evaluated the effectiveness of biologically compatible scaffolds in repairing periodontal and bony defects. The study found that b-tricalcium phosphate/gelatin composite scaffolds incorporated with gentamycin-loaded chitosan microspheres significantly improved periodontal regeneration and wound healing in two-wall intra bony defects in dogs.

Key Takeaways:

• The study aimed to evaluate the effect of b-tricalcium phosphate/gelatin composite scaffolds incorporated with gentamycin-loaded chitosan microspheres on periodontal regeneration in dogs.
• The researchers created 12 bilateral intrabony defects in 12 mongrel male dogs and divided them into three groups: Group I received the scaffolds with gentamycin, Group II received the scaffolds without gentamycin, and Group III received open flap debridement as a control.
• The study found that both test groups exhibited the highest percentage of newly formed bone height, newly formed bone area, newly formed cementum, and newly formed periodontal tissues compared to the control group.
• The researchers concluded that the novel treatment approach using b-TCP/Gelatin Scaffolds with Gentamicin-Loaded Chitosan improved periodontal regeneration and wound healing in two-wall intra bony defects in dogs.
• The study's findings have significant implications for regenerative therapies in dental practices, suggesting that novel biomaterials can be used to improve periodontal regeneration and wound healing.

Statistics:

• 12 bilateral intrabony defects were created in 12 mongrel male dogs.
• 3 groups of dogs received different treatments: Group I (8 dogs) received b-tricalcium phosphate/gelatin composite scaffolds incorporated with gentamycin-loaded chitosan microspheres, Group II (8 dogs) received the same scaffolds without gentamycin, and Group III (8 dogs) received open flap debridement as a control.
• The study analyzed the histological and histomorphometry results of the 8-week post-operative samples and found significant improvements in periodontal regeneration and wound healing.
• The percentage of newly formed bone height was highest in Group I (80.23±2.53%) and Group II (74.15±2.37%) compared to Group III (44.03±2.15%).
• The percentage of newly formed cementum was highest in Group I (84.36±2.71%) and Group II (77.19±2.39%) compared to Group III (47.29±2.21%).

Sources:

• A novel approach utilizing B-tricalcium phosphate/gelatin composite scaffolds incorporated with gentamycin-loaded chitosan microspheres for periodontal regeneration in two-wall intra bony defects. Journal of Oral Biology and Craniofacial Research, 2025,15(6):1696-1709.
• Tanta University, Faculty of Dentistry, Oral Medicine, Periodontology, Oral Diagnosis and Radiology Department.
• Mohamed Hamdy Helal, Aya Anwar Alsherif, Yasmin Hamdy, Malak Yousef Mohamed Shoukheba, Khaled M. Ali, Mohamed Yehia Abdelfattah, Moustafa Nabil Aboushelib.