Conclusion

Dysgeusia can have causes that are not due to underlying condition. People that just went through a dental procedure can experience changes in taste sensitivity not cause by an underlying condition.
References:
[1] https://www.mayoclinic.org/diseases-conditions/stroke/symptoms-causes/syc-20350113#:~:text=A%20stroke%20occurs%20when%20the,brain%20damage%20and%20other%20complications.
[2] https://www.webmd.com/diet/vitamin-b12-deficiency-symptoms-causes
[3] https://www.healthline.com/health/dental-and-oral-health/taste-buds-change
[4] https://www.medicalnewstoday.com/articles/323627
[5] https://www.mayoclinic.org/diseases-conditions/high-blood-pressure/symptoms-causes/syc-20373410#:~:text=High%20blood%20pressure%20(hypertension)%20is,problems%2C%20such%20as%20heart%20disease.











