Clinical efficacy, bone density, and follow-up in implant and orthodontic treatment for inclined adjacent teeth

Table 1 Proportion of clinical efficacy

Group	n	Significant effect	Effective	Invalid	Total effective
A	49	35 (71.43)	13 (26.53)	1 (2.04)	48 (97.96)
B	49	27 (55.10)	15 (30.61)	7 (14.29)	42 (85.71)
χ2					4.900
P value					0.027

Data are n (%). Group A: Implant restoration combined with orthodontic treatment; Group B: Implant restoration alone.

Table 2 Comparison of alveolar bone mineral density

Group	n	Alveolar crest parietal bone mineral density in g/cm2		t value	P value	Apical bone mineral density in g/cm2		t value	P value
		Before treatment	After treatment			Before treatment	After treatment
A	49	350.28 ± 25.37	327.36 ± 26.60	4.365	< 0.001	332.23 ± 11.58	308.09 ± 12.62	9.866	< 0.001
B	49	350.54 ± 23.63	339.17 ± 25.16	2.306	0.023	331.28 ± 14.73	300.04 ± 15.75	10.141	< 0.001
t value		0.053	2.258			0.355	2.792
P value		0.958	0.026			0.723	0.006

Data are mean ± standard deviation. Group A: Implant restoration combined with orthodontic treatment; Group B: Implant restoration alone.

Table 3 Comparison of masticatory function and language function

Group	n	Time	Masticatory function	Language function
A	49	Before treatment	4.68 ± 1.24	4.82 ± 0.98
		After treatment	9.39 ± 0.39a,b	9.25 ± 0.22a,b
B	49	Before treatment	4.75 ± 1.36	4.85 ± 1.03
		After treatment	7.13 ± 0.40a	7.05 ± 0.47a

Data are mean ± standard deviation.

^aP < 0.05 vs pre-treatment.

^bP < 0.05, indicated a significant difference between the study group and the control group. Group A: Implant restoration combined with orthodontic treatment; Group B: Implant restoration alone.

Table 4 The proportion of patient satisfaction

Group	n	Very satisfied	Satisfied	Not satisfied	Satisfaction
A	49	39 (79.59)	9 (18.37)	1 (2.04)	48 (97.96)
B	49	23 (46.94)	16 (32.65)	10 (20.41)	39 (79.59)
t value					8.295
P value					0.004

Data are n (%). Group A: Implant restoration combined with orthodontic treatment; Group B: Implant restoration alone.

Table 5 Proportion of oral adverse reactions

Group	n	Gingivitis	Periodontal discomfort	Implant loosening	Root resorption	Total
Total	49	0 (0.00)	0 (0.00)	1 (2.04)	0 (0.00)	1 (2.04)
B	49	1 (2.04)	1 (2.04)	7 (14.29)	3 (6.13)	12 (24.49)
χ2						10.731
P value						0.001

Data are n (%). Group A: Implant restoration combined with orthodontic treatment; Group B: Implant restoration alone.