Study design/sample
inflammation, periodontitis, pericoronitis, tooth
INFLAMMATION, PERIODONTITIS, PERICORONITIS, IMPACTION
A non-randomized, non-blind, self-controlled clinical study was conducted.Sample size calculation: According to the method by W. Viechtbauer et al. [Inclusion criteria:
18–30 years old, with a balanced face; Voluntary to pull out ipsilateral wisdom teeth simultaneously. There is no limit of the impaction classification.Exclusion criteria:
Pregnant or preparing to conceive during the study;Tumors and other severe systemic diseases;Acute inflammation of oral-maxillofacial region;Moderate to severe periodontitis around third molars;The bone resorption around the third molar is larger than the crown volume of the wisdom tooth due to pericoronitis or periapical inflammation;Congenital maxillofacial deformity;Distinctive facial asymmetry or severe skeletal Class II and III malocclusion;Received facial plastic treatment before the trial, or receiving orthodontic, orthognathic, and facial plastic therapy during the trial;The body weight fluctuates widely and is uncontrollable in the future.