Management of Deficient Sites in the Esthetic Zone

Key points

  • •

    Staged Approach for Esthetic Zone Defects: A biologically layered, staged protocol enables predictable bone and soft tissue regeneration in complex anterior maxillary defects, enhancing long-term esthetic, functional, and structural outcomes.

  • •

    Papilla Preservation and Reconstruction Strategies: Vascularized interpositional periosteal and tuberosity connective tissue grafts enhance papilla base and line angle thickness, improving vertical tissue height, interproximal form, and esthetic integration.

  • •

    Soft Tissue Augmentation Timing Is Critical: Performing soft tissue grafts during implant placement or staged healing optimizes contour, improves the peri-implant seal, and minimizes the risk of papilla deficiency.

  • •

    Biologic Layering Improves Predictability: Sequential biologic layering of hard and soft tissues using autogenous grafts improves predictability in treating anterior ridge defects, enhancing long-term esthetic and periodontal stability.

  • •

    Emergence Profile and Provisionalization: Custom provisional restorations with controlled, narrow emergence profiles guide soft tissue maturation, support papilla formation, and are essential to achieving natural esthetic implant contours.

Abbreviations

CTG connective tissue grafting/connective tissue grafts
de-epith FGG de-epithelialized free gingival graft
GBR guided bone regeneration
VIP vascularized interpositional periosteal connective tissue graft

Introduction

Successful implant therapy in the anterior maxilla relies not only on osseointegration but also on the harmonious integration of both hard and soft tissue components within the esthetic framework. Managing deficient ridge sites in the esthetic zone presents a significant clinical challenge, particularly in cases of postextraction ridge collapse, periodontal disease, or combined hard and soft tissue loss. Restorative outcomes in these instances are influenced not merely by implant position but by factors like papilla height, tissue thickness, and the underlying 3-dimensional volume of alveolar bone that supports soft tissue form.

Postextraction resorption occurs rapidly, particularly in sites with thin biotypes or preexisting periodontal breakdowns. D’Addona and colleagues reported that buccal bone loss can occur within weeks, with vertical and horizontal shrinkage progressing significantly during the first 4 months. This dimensional change impairs the ability to maintain or regenerate interproximal papilla and labial soft tissue contours, often requiring a staged approach incorporating guided bone regeneration (GBR), connective tissue grafting (CTG), and in many cases both.

The biological interrelationship between bone and soft tissue contours has been well documented. Le and Hayashi introduced the concept of the esthetic contour graft, showing that labial bone augmentation not only improves ridge volume but correlates directly with soft tissue thickness and stability. Their work reinforces that restorative esthetics begin at the bone level—shaping the foundation for papilla preservation, midline harmony, and natural emergence profile.

Among the available soft tissue augmentation techniques, the vascularized interpositional periosteal (VIP) connective tissue graft has emerged as a highly effective method for simultaneously improving soft tissue thickness and vascular supply. It has demonstrated predictable results in augmenting thin crestal zones and improving interproximal soft tissue support over GBR-treated sites. , In cases with vertical and horizontal deficiency, VIP grafts can be rotated or tunneled into position, enhancing both graft survival and esthetic outcome. ,

Comparative studies have also validated the use of tuberosity-derived CTG as an alternative to palatal grafts. Tuberosity grafts have shown lower donor site morbidity, greater lamina propria content, and equivalent gains in soft tissue thickness, with no compromise in marginal bone levels or pink esthetic scores at 1 year. ,

In this article, 2 complex cases are presented to illustrate a clinician-centered approach to managing hard and soft tissue deficiencies in the esthetic zone using biologically layered strategies. These include timed GBR, autogenous soft tissue grafting using pedicle and tuberosity connective tissue (CT) grafts, with a focus on interproximal papilla reconstruction and long-term peri-implant stability. Each phase of care is supported by photographic documentation and literature-based rationale to guide surgical decision-making and enhance long-term esthetic outcomes.

Case 1: surgical management and restoration

The following clinical case details a biologically layered, staged approach to alveolar ridge reconstruction, implant placement, and papilla reconstruction.

Surgical technique

Overview

Management of esthetic zone deficiencies requires biologically layered, sequenced surgical strategies. The following cases demonstrate how GBR, VIP grafts, and connective tissue grafts (CTG) can be combined across surgical phases to optimize both hard and soft tissue outcomes. The case also highlights the tissue conditioning phase utilizing a custom provisional restoration.

Case 1: staged guided bone regeneration and soft tissue augmentation with papilla reconstruction

Surgical phase 1: extraction and guided bone regeneration

Tooth #9 was extracted using papilla-sparing incisions. The extraction socket was augmented with a cortical-cancellous allograft and platalet rich fibrin (PRF). A resorbable collagen membrane stabilized internally using glycol on 6-0 sling sutures, and a nonresorbable polytetrafluoroethylene (PTFE) membrane was placed externally to seal the socket, later removed at 4 weeks ( Fig. 1– F).

Fig. 1

( A , B ) Preoperative photo showing tooth #9 with resorption, fistula, and periodontal inflammation. PA of resorption. ( C , D ) Clinical extent of buccal bone deficiency. ( E ) Intraoperative GBR with collagen membrane over the graft. ( F ) Socket sealed with PTFE membrane for tension-free closure and post op PA. ( G , H ) 6-month post-extraction horizontal and vertical (papilla) soft tissue deficiency, recession #10 mesial and facial ( I , J ) Implant placement with successful bone regeneration using a full-to-split thickness flap design. ( K ) Pedicle harvested (VIP CTG), maintaining its blood supply at the midline. ( L , M ) Placement and stabilization of VIP (pedicle graft) and tuberosity CTG stabilized to periosteum. ( N , O ) Primary tension-free closure using 6.0 proline sutures, closure of the palatal harvest site and PA of implant with 1.5 mm healing abutment for tenting of the soft tissue during the healing period. ( P , Q ) Soft tissue contours after 2-month postgingival augmentation. ( R ) Tissue conditioning after 2 months via provisional and post op PA. ( S , T ) Final emergence profile before final restoration. ( U ) Soft tissue emergence with excellent width and height of the connective tissue volume and zone of KG. ( V , W) 1-year post op final restoration with soft tissue stability and radiographic bone stability. ( X–Z) 2-year clinical soft tissue stability.

Procedural Tip: Use PTFE for external sealing of sockets when primary closure is not ideal (sockets), 4 weeks of membrane removal ensures complete soft tissue closure.

Healing and evaluation

Six-month follow-up revealed vertical and horizontal collapse of soft tissue contours, particularly the midline papilla, and severe loss of the mesial papilla and recession #10 ( Fig. 1 G, H).

Surgical phase 2: implant placement and soft tissue augmentation

A narrow-platform implant was placed at site #9 with a 2 mm cover screw. A VIP pedicle CTG was used to rebuild the papilla between implant #9 and tooth #10. A tuberosity CTG was simultaneously placed to augment the midline papilla and buccal volume of #9 implant. As in bone augmentation, soft tissue grafts must be stabilized to avoid mobility during healing ( Fig. 1 I–O).

Procedural Tip: Secure each graft independently to the periosteum. VIP grafts are ideal for interproximal papilla and vertical tissue augmentation due to maintained vascularity and minimal volume shrinkage. ,

Surgical phase 3: flapless exposure and provisionalization

After 8 weeks, flapless exposure was performed. A screw-retained provisional with a narrow emergence profile was fabricated and adjusted over a 2- to 3-month period to finalize the emergence and gingival zenith ( Fig. 1 P–U).

Procedural Tip: Use a narrow, convex emergence profile provisional to minimize pressure on developing papillae and facial zenith.

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Sep 27, 2026 | Posted by in Oral and Maxillofacial Surgery | Comments Off on Management of Deficient Sites in the Esthetic Zone

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