Immediate implant placement and restoration in the anterior maxilla: Tissue dimensional changes after 2‐5 year follow up

Arora, Himanshu; Khzam, Nabil; Roberts, David; Bruce, William L; Ivanovski, Sašo

doi:10.1111/cid.12487

Cited by 50 publications

(97 citation statements)

References 33 publications

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“…Thus, an obvious higher recession value compared with baseline (△ML) was measured. This phenomenon has also been reported by Aoral et al Gingival recession can sometimes be induced purposefully by the prosthodontist to create harmony with the soft tissue level on the contralateral tooth, which may be deemed to have experienced “advanced” recession. Little research is available in terms of the initial gingival level of the failure tooth compared with the contralateral tooth with regard to difficulties in building a proper 3D coordinate to determine the horizontal line.…”

Section: Discussionsupporting

confidence: 61%

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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Section: Discussionsupporting

confidence: 61%

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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“…Type 2 placement of Straumann ® bone level implants has also been reported to exhibit minimal marginal bone changes (0.18 mm) after 3 years of loading . Comparable results have also been reported with AstraTech ® implants . A systematic review analyzing Type 1–4 implant placements in the esthetic zone reported a mean marginal bone loss of 0.20 mm [95% CI: (0.034‐0.36)] during the first year after installation of the definitive crown …”

Section: Discussionmentioning

confidence: 94%

“…Furthermore, although the PES index attempts to provide an objective measure of esthetic outcome, it is nevertheless open to individual interpretation and the outcomes of certain parameters may be differently evaluated by different investigators, resulting in the contradictory reports. The PES/WES scores were determined from photographs, consistent with other studies reporting on this parameter . However, not carrying out this evaluation directly on the patient may be considered a limitation, and future studies could address whether there are differences in the outcomes between esthetic assessments undertaken from photographs/models compared to “live” evaluation.…”

Section: Discussionmentioning

confidence: 98%

Evaluation of the influence of implant placement timing on the esthetic outcomes of single tooth implant treatment in the anterior maxilla: A retrospective study

Arora

Ivanovski

2018

J Esthet Restor Dent

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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: Discussionmentioning

confidence: 99%

“…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), 26 as well as in other tissue alteration results from studies about IIPP. 13,[26][27][28][29][30][31][32] The thickness of the labial plate influences its dimensional resorption rate in IIPP. Koh et al, stated the strong correlation between labial plates with a thickness less than 2 mm and horizontal bone loss.…”

Section: Esthetic Assessmentmentioning

confidence: 99%

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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Immediate implant placement and restoration in the anterior maxilla: Tissue dimensional changes after 2‐5 year follow up

Abstract: In addition to a favorable implant success rate and peri-implant bony response, the soft tissue levels and overall aesthetics around single immediately placed and restored implants can also be maintained in the mid-long term.

Cited by 50 publications

References 33 publications

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

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

Evaluation of the influence of implant placement timing on the esthetic outcomes of single tooth implant treatment in the anterior maxilla: A retrospective study

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

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