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Comparing Warm and Cold Gutta-Percha Techniques for Root Canal Filling: An In Vitro Study
B Swathika1, Syed Nahid Basheer2, S Sriram3
1Department of Conservative Dentistry and Endodontics, Mahatma Gandhi Post Graduate Institute of Dental Sciences, Puducherry, India.
Journal of Pharmacy & Bioallied Sciences
|September 30, 2024
Summary
Warm gutta-percha obturation offers superior volumetric filling and more uniform distribution within root canals compared to cold techniques. This study highlights its advantages for effective endodontic therapy.
Area of Science:
- Endodontic Therapy
- Dental Materials Science
Background:
- Gutta-percha is a standard material for root canal obturation in endodontics.
- Warm and cold gutta-percha techniques are widely used, each presenting distinct benefits and drawbacks.
Purpose of the Study:
- To compare the efficacy of warm versus cold gutta-percha obturation techniques.
- To evaluate obturation quality, void formation, and adaptation to canal walls.
Main Methods:
- Twenty extracted human teeth with single root canals were divided into warm and cold obturation groups.
- Radiographic imaging and micro-computed tomography (micro-CT) were used to assess obturation quality and material distribution.
Main Results:
- Both techniques showed effective obturation with comparable void formation and adaptation.
- Micro-CT revealed warmer gutta-percha provided more uniform distribution and higher volumetric filling.
- Warm gutta-percha exhibited superior flowability and adaptation to canal irregularities.
Conclusions:
- Warm gutta-percha obturation is advantageous for volumetric filling and distribution within the root canal space.
- The warm technique demonstrates superior adaptation to canal irregularities compared to the cold technique.
