Computer-aided three-dimensional assessment of periodontal healing distal to the mandibular second molar after coronectomy of the mandibular third molar: a prospective study

Table 3 Factors influencing bone variation and re-contact of the root complex and M2M

Multiple linear regression	Variables	B	Coef	P
DBD depth redution			Adjusted R² = 0.592
	Age	−0.07	−0.28	0.000
	RMS	−0.07	−0.13	0.010
	DBD depth at BL	0.49	0.66	0.000
	Rotation of root complex	0.02	0.12	0.020
	Eruption status of root complex	0.50	0.19	0.000
Volume of bone regenerated in distal 2 mm			Adjusted R² = 0.417
	Age	−1.21	−0.23	0.000
	RMS	−1.76	−0.17	0.009
	DBD depth at BL	5.69	0.36	0.000
	Rotation of root complex	0.52	0.14	0.009
	Total volume of bone regenerated in tooth socket	0.02	0.14	0.014
	Eruption status of root complex	9.64	0.18	0.001
Binary logistic regression	Variables	OR	95%CL	P
Recontact of root complex and distal root surface of M2M
	RMS	0.67	0.46–0.97	0.035
	Enamel remains	6.93	1.13–42.58	0.037

DBD Distal intra-bony defect, RMS Retromolar space. “NS” denotes “no significant difference”

ISSN: 1472-6831