Table 1. Clinical and radiographic scoring criteria.

Criteria for clinical and radiographic scoring
Clinical score	Clinical symptom	Definition
1	asymptomatic	•Pathology: absent
		•Normal functioning
		•Mobility (physiological) ≤ 1 mm
2	slight discomfort, short-lived	•Pathology: questionable
		•Percussion sensitivity
		•Gingival inflammation (due to poor oral hygiene)
		•Mobility (physiological) > 1 mm, but < 2 mm
3	minor discomfort, short-lived	•Pathology: initial changes present
		•Gingival swelling (not due to poor oral hygiene)
		•Mobility > 2 mm, but < 3 mm
4	major discomfort, long-lived Extract immediately	•Pathology: late changes present
		•Spontaneous pain
		•Gingival swelling (not due to poor oral hygiene)
		•Periodontal pocket formation (exudate)
		•Sinus tract present
		•Mobility ≥ 3 mm
		•Premature tooth loss, due to pathology

^*time period from the beginning of the treatment to the assigned follow-up