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Updated: Jul 12, 2026

Assessment of Acute Wound Healing using the Dorsal Subcutaneous Polyvinyl Alcohol Sponge Implantation and Excisional Tail Skin Wound Models.
Published on: March 25, 2020
Depressive symptoms predict mucosal wound healing.
Jos A Bosch1, Christopher G Engeland, John T Cacioppo
1University of Illinois at Chicago, College of Dentistry, Chicago, IL 60612, USA.
Depressive symptoms significantly slow mucosal wound healing in young adults. Loneliness and cortisol levels did not affect healing rates in this study. Further research is needed to understand these effects.
Area of Science:
- Oral medicine
- Psychoneuroimmunology
- Wound healing research
Background:
- Psychosocial stress is known to impede dermal wound healing.
- Mucosal wound healing differs significantly from dermal healing, with unique repair processes.
- Depression and social isolation are prevalent in surgical patients, potentially impacting recovery.
Purpose of the Study:
- To investigate the predictive relationship between depressive symptoms and social isolation on mucosal wound healing rates.
- To determine if psychological factors influence the recovery of oral mucosal wounds.
Main Methods:
- 193 healthy young adults (18-31 years) with high or low loneliness/depressive symptoms were recruited.
- A 3.5-mm circular wound was created on the hard palate under local anesthesia.
- Wound healing was monitored daily using videography.
Main Results:
- The median healing time was 7 days.
- Participants with high depressive symptoms healed significantly slower (OR 3.57, p < .001), with larger wound sizes from day 2.
- Loneliness and diurnal cortisol secretion were not associated with healing rates.
Conclusions:
- Depressive symptoms are a significant predictor of slower mucosal wound healing in young adults.
- These findings highlight the impact of psychological state on oral tissue repair.
- Further investigation into the mechanisms underlying this association is warranted.
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