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Third Molar Extraction: Irrigation and Cooling with Water or Sterile Physiological Solution: A Double-Blind
Luca Sbricoli1, Alessia Cerrato1, Anna Chiara Frigo2
1Department of Neurosciences, Section of Clinical Dentistry, Unit of Oral Surgery and Pathology, University of Padova, 35122 Padova, Italy.
Dentistry Journal
|April 30, 2021
Summary
Using sterile physiological solution or tap water for third molar extraction irrigation showed no significant difference in patient pain or inflammation. This finding suggests water is a viable alternative for surgical field irrigation and bur cooling.
Area of Science:
- Oral Surgery
- Dental Research
- Surgical Techniques
Background:
- Postoperative pain and inflammation are common after third molar extractions.
- Current irrigation methods for dental procedures often use standard water.
- Investigating alternatives to optimize patient outcomes is crucial.
Purpose of the Study:
- To determine if sterile physiological solution reduces postoperative pain and inflammation compared to tap water during third molar extractions.
- To evaluate the efficacy of different irrigation fluids in managing surgical site conditions.
Main Methods:
- A randomized study involving 22 patients undergoing lower third molar extractions.
- Patients were assigned to groups using either sterile physiological solution or tap water for irrigation and bur cooling.
- Postoperative pain, swelling, trismus, and high-sensitivity C-reactive protein (CRP) levels were measured and analyzed.
Main Results:
- A total of 40 third molars were extracted, with 20 in each irrigation group.
- Statistical analysis using the Wilcoxon test revealed no significant differences between the sterile physiological solution and tap water groups.
- No variations were observed in pain, swelling, trismus, or CRP levels between the two groups.
Conclusions:
- Neither sterile physiological solution nor tap water demonstrated a superior effect on reducing postoperative pain, inflammation, or swelling after third molar extraction.
- The choice of irrigation fluid (sterile physiological solution vs. tap water) does not appear to influence key postoperative recovery parameters.
- Tap water can be considered an effective and potentially more cost-efficient option for irrigation and cooling during third molar extraction procedures.

