Guided Bone Regeneration (GBR) with a Particulated Autologous Graft and a ePTFE-Reinforced Membrane for Vertical Augmentation of a Single-Tooth Edentulous Space in the Esthetic Zone
A 47-year-old Caucasian woman with a single-tooth edentulous space at the site of the left maxillary canine was referred for treatment. She had undergone traumatic extraction of this impacted canine several months before referral. Her chief complaint was the dissatisfying appearance of her smile. The patient desired a stable and esthetic rehabilitation of the site. Her dental history showed no evidence of periodontal disease or bruxism. She had no systemic diseases, was not taking any medications, and did not smoke. The extraoral examination revealed a high lip line and an inadequate soft-tissue volume at the defective canine site. Large black triangles were visible between the canine and its adjacent teeth.
General information
Case Type | Single-Tooth Space |
---|---|
Jaw | Maxilla |
Area | Anterior |
# of Teeth | 1 |
# of Implants | 1 |
Type of Implants | Two-Piece |
Attachment | Two-Piece |
Bone Augmentation | Staged|Vertical |
---|---|
Augmentation Materials | Autogenous chips|Membrane |
Guided Surgery | No |
Soft Tissue Grafting | Simultaneous |
Abutment Type | Standard |
Prosthesis Type | FDP |
Esthetic Risk Assessment
Esthetic Risk Factors | Low | Medium | High |
---|---|---|---|
Medical Status | Healthy | Compromised | |
Smoking Habit | Non-smoker | Light smoker (< 10 cigarettes per day) | Heavy smoker (>= 10 cigarettes per day) |
Patient's Esthetic Expectations | Low | Medium | High |
Lip Line | No exposure of papillae | Exposure of papillae | Full exposure of mucosa margin |
Periodontal Phenotype | Low-scalloped, thick | Medium-scalloped, medium-thick | High-scalloped, thin |
Shape of Tooth Crowns | Rectangular | Triangular | |
Infection at Implant Site | None | Chronic | Acute |
Bone Level at Adjacent Teeth | <= 5 mm to contact point | 5.5 to 6.5 mm to contact point | > 7 mm to contact point |
Prosthodontic Status of Neighboring Teeth | Virgin | Restored | |
Width of Edentulous Span | 1 tooth (>= 7 mm) | 1 tooth (< 7 mm) | 2 teeth or more |
Soft Tissue Anatomy | Intact | Defective | |
Bone Volume | Horizontally and vertically sufficient | Horizontally deficient | Deficient vertically or deficient vertically AND horizontally |
* General SAC assessment modifiers that are also part of the ERA. To avoid redundancy they are listed in this section even if no complete ERA has been made.
** Not applicable to the ERA of immediate placement cases and replaced by "Socket Integrity" listed below under "Surgical SAC Classification". For all other placement types this value is a classification determinant and listed here even if no complete ERA has been made.
Surgical SAC classification
SAC Level | Complex |
---|---|
Defining Characteristics | One missing tooth to be replaced by an implant-borne prosthesis |
Modality | - |
Placement Protocol | Early or late implant placement |
Tooth Site | - |
Socket Morphology | - |
Socket Integrity | - |
Bone Volume | Deficient vertically or deficient vertically AND horizontally |
Anatomic Risk | High |
Esthetic Risk | High |
Complexity | High |
Risk of Complications | High |
Prosthodontic SAC classification
SAC Level | Advanced |
---|---|
Defining Characteristics | One missing tooth to be replaced by an implant-borne crown |
Loading Protocol | Conventional or early |
Retention | Cemented, with prosthesis margin < 3mm submucosal Cemented, with prosthesis margin < 3mm submucosal |
Maxillomandibular Relationship | Angle Class I and III |
Mesio-Distal Space | Symmetry +/- 1 mm of contra-lateral tooth |
Inter-Arch Distance | - |
Bruxism | - |
Esthetic Risk | High |
Provisional Implant-Supported Prosthesis | Prosthodontic margin > 3 mm apical to mucosal margin Prosthodontic margin > 3 mm apical to mucosal margin |
Interim Prosthesis during Healing | Fixed Fixed |
Occlusion/Articulation | - |
Occlusal Scheme/Issues | - |
Surgical SAC Modifiers
Periodontal Status | Healthy |
---|
Prosthodontic SAC Modifiers
Soft Tissue Contour and Volume | Significantly deficient |
---|
General SAC Modifiers
Oral Hygiene and Compliance | Good |
---|---|
Access | Adequate |
Craniofacial/Skeletal Growth | Completed |
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