Dimensional changes after immediate implant placement with or without simultaneous regenerative procedures: a systematic review and meta‐analysis

Clementini, Marco; Tiravia, Luca; Risi, Valeria De; Orgeas, Gianluca Vittorini; Mannocci, Alice; Sanctis, Massimo de

doi:10.1111/jcpe.12423

Cited by 72 publications

(66 citation statements)

References 43 publications

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“…The overall dimensional reduction of the labial bone was 1.21 ± 1.44 mm for vertical bone resorption and 0.65 ± 0.61 mm for horizontal bone resorption at 1 year postoperatively. Similar results have been reported in a systematic review by Clementini M, with a slightly higher vertical loss (0.79 mm) and lower horizontal loss (1.02 mm), as well as in other tissue alteration results from studies about IIPP …”

Section: Discussionsupporting

confidence: 89%

The thickness of labial bone affects the esthetics of immediate implant placement and provisionalization in the esthetic zone: A prospective cohort study

Yang

Zhou

et al. 2019

Clin Implant Dent Rel Res

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Background A 1‐2 mm thick labial plate is generally advocated in immediate implant placement and provisionalization (IIPP). However, most of the human labial plates fail to meet this requirement. Purpose This study aimed to investigate the effect of labial plate thickness on hard tissue, soft tissue, and esthetic outcomes in IIPP. Materials and Methods In this prospective cohort study, 40 patients received IIPP of 50 single‐crown implants in the anterior maxilla. Patients were categorized into three groups according to their presurgical thickness of labial bone: 0‐0.5, 0.5‐1, and ≥ 1 mm. CBCT, mucosa recession and the papilla index were used to analyze labial hard and soft tissue alterations with a 1‐year follow‐up. Results At 1 year, OCI bone losses were 1.17 ± 0.73, 0.37 ± 0.39, 0.46 ± 0.35 mm; ICH bone losses were 2.23 ± 1.83, 0.74 ± 0.71, 0.72 ± 1.27 mm; TM recessions were 1.00 ± 0.51, −0.06 ± 0.37, −0.30 ± 0.88 mm; TL recessions were 0.61 ± 1.02, −0.18 ± 0.40, −0.26 ± 1.15 mm; TD recessions were 0.61 ± 1.02, −0.18 ± 0.40, −0.26 ± 1.15 mm; PIS scores were 1.63 ± 0.64, 2.20 ± 0.71, 2.71 ± 0.57 in group 0‐0.5, 0.5‐1 and ≥ 1 mm, respectively. No statistical significance was found between group 0.5‐1 and ≥ 1 mm in bone resorption, gingival recession, and papilla index. The bone resorption and gingival recession were significantly the highest in group 0‐0.5 mm at 6 months and 1 year. Conclusions Group 0.5‐1 mm had similar tissue dimensional alteration as group ≥1 mm, while group <0.5 mm suffered more massive bone resorption and gingival recession. Concerning the thickness of the labial plate, this study may suggest an expansion in the indication of IIPP.

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Section: Discussionsupporting

confidence: 89%

The thickness of labial bone affects the esthetics of immediate implant placement and provisionalization in the esthetic zone: A prospective cohort study

Yang

Zhou

et al. 2019

Clin Implant Dent Rel Res

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“…Obviously, more significant changes had undergone underneath the augmented soft tissues. This is supported by a recent systematic review demonstrating that following the placement of immediate implants, structural changes of the ridge are ongoing and can not be fully avoided irrespective of the applied treatment modality [30]. In the present study, the ridge profile even slightly decreased compared to the time prior to soft tissue grafting.…”

Section: Discussionsupporting

confidence: 73%

Volumetric and linear changes at dental implants following grafting with volume-stable three-dimensional collagen matrices or autogenous connective tissue grafts: 6-month data

et al. 2017

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“…After immediate implant placement, structural changes of the soft tissue contour are ongoing and cannot be completely avoided . The reasons are manifold, but chief among them may be physiological resorption of the underlying facial bundle bone wall in the healing period after extraction .…”

Section: Discussionmentioning

confidence: 99%

Labial soft tissue contour dynamics following immediate implants and immediate provisionalization of single maxillary incisors: A 1‐year prospective study

Tian

Wei

Zhao

et al. 2019

Clin Implant Dent Rel Res

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Background Soft tissue dynamics in the esthetic zone are gaining increasing attention in recent years. Emerging intraoral scanning technology allows easier capture of soft tissue contours. Purpose To quantitatively assess the time‐dependent contour alterations of labial soft tissue following single immediate implants and immediate provisionalization (IIPP) in maxillary incisors via intraoral scanning. Materials and Methods This was a prospective cohort study. Thirty eligible consecutive patients were included and received immediate replacement of a failure maxillary single incisor. A screw‐retained immediate restoration was delivered for each patient. Subsequently, the anterior maxillary region was scanned by an intraoral scanning system at four time points: preoperation (baseline, BL), 3 months (3 m), 6 months (6 m), and 12 months (12 m). The Standard Tessellation Language files were exported to a dedicated software and superimposed for visual analysis. At 3, 6, and 12 months, the mid‐facial mucosa level (ML) was assessed, and the precise three‐dimensional (3D) configuration of the altered volume was calculated and reconstructed for visual analysis. Furthermore, quantitative analysis of the reconstructed morphology was performed using the following parameters: mean change in thickness (△d), mesio‐distal width (w), coronal‐apical height (h), and horizontal and vertical position of the thickest point represented by coordinates (x, z). Result Twenty‐seven of thirty enrolled patients were finally available for analysis at the 1‐year follow‐up. In general, the frontal view of the reconstructed volume exhibited a crescent shape. The mid‐facial ML change at 3, 6, and 12 months was −0.05 ± 0.36 mm, −0.03 ± 0.32 mm, and −0.24 ± 0.37 mm, respectively (P = .012). The mean change in thickness at 3 months (△d3m), 6 months (△d6m), and 12 months (△d12m) was 0.50 ± 0.19 mm, 0.59 ± 0.21 mm, and 0.62 ± 0.22 mm, respectively (P <.001). At 12 months, nine patients had a △d less than 0.5 mm. The mean △d3 m/△d12 m and △d6 m/△d12 m was 0.81 ± 0.17 and 0.96 ± 0.13. The w, h, x, and z results showed no significant differences during the 1‐year observation (P = .126, P = .324, P = .635, P = .263). At 12 months, w, h, x, and z were 11.57 ± 1.77 mm, 6.46 ± 2.01 mm, 0.03 ± 1.43 mm, and 2.16 ± 0.65 mm, respectively. Conclusion During the 1‐year observation following single IIPP treatment in maxillary incisors, the labial soft tissue contour showed a continuous alteration resulting in a mean change in thickness of 0.62 mm that occurred mainly in the first 3 months and tended to be relatively stable after 6 months, while the crescent‐like shape, width, height, and thickest point position of the alteration volume remained stable after 3 months. No advanced mid‐facial recession was observed.

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Dimensional changes after immediate implant placement with or without simultaneous regenerative procedures: a systematic review and meta‐analysis

Cited by 72 publications

References 43 publications

The thickness of labial bone affects the esthetics of immediate implant placement and provisionalization in the esthetic zone: A prospective cohort study

The thickness of labial bone affects the esthetics of immediate implant placement and provisionalization in the esthetic zone: A prospective cohort study

Volumetric and linear changes at dental implants following grafting with volume-stable three-dimensional collagen matrices or autogenous connective tissue grafts: 6-month data

Labial soft tissue contour dynamics following immediate implants and immediate provisionalization of single maxillary incisors: A 1‐year prospective study

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