Bilateral SFE with Transcrestal and Lateral Window Technique using Various Composite Grafts
A 53-year old woman, a non-smoker, presented with failing crown and bridge restorations in both maxillary posterior segments. In addition, she was dissatisfied with the esthetics of her mandibular anterior sextant. She had recently lost the distal abutment (tooth 16) of a three-unit fixed partial denture (FPD) to dental caries, whereupon the bridge structure was sectioned distal to site 15. The patient’s medical history was noncontributory. The following periodontal risk factors were identified and discussed with the patient: Familial history of periodontal disease, poor/erratic compliance with preventive care.
Surgical SAC classification
Complex
Prosthodontic SAC classification
Straightforward
Learner Level
|
1
|
2
|
3
|
Source
Treatment Guide 5
CME/CPD
0.25 hours
Purchase price
10
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General information
| Case Type | Short Space |
|---|---|
| Jaw | Maxilla |
| Area | Posterior |
| # of Teeth | 6 |
| # of Implants | 5 |
| Type of Implants | Two-Piece |
| Attachment | Two-Piece |
| Bone Augmentation | Horizontal|Simultaneous|Sinus Floor Elevation|Staged |
|---|---|
| Augmentation Materials | Allogenous|Synthetic|Membrane |
| Guided Surgery | No |
| Soft Tissue Grafting | Simultaneous |
| Abutment Type | CAD/CAM |
| 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 | Up to three missing teeth to be replaced with an implant-borne prosthesis or prostheses |
| 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 | Low |
| Complexity | High |
| Risk of Complications | High |
Prosthodontic SAC classification
| SAC Level | Straightforward |
|---|---|
| Defining Characteristics | Up to three missing teeth to be replaced with an implant-borne restoration or restorations |
| Loading Protocol | Conventional or early |
| Retention | Cemented, with prosthesis margin < 3mm submucosal Cemented, with prosthesis margin < 3mm submucosal |
| Maxillomandibular Relationship | - |
| Mesio-Distal Space | Anatomic space corresponding to the missing teeth plus 2 mm or more, or space corresponding to a whole number of premolar units |
| Inter-Arch Distance | > 8 mm |
| Bruxism | Absent |
| Esthetic Risk | Low |
| Provisional Implant-Supported Prosthesis | - - |
| Interim Prosthesis during Healing | Fixed Fixed |
| Occlusion/Articulation | Irregular with no need for correction |
| Occlusal Scheme/Issues | - |
Surgical SAC Modifiers
| Periodontal Status | History of periodontitis or genetic predisposition |
|---|
Prosthodontic SAC Modifiers
| Soft Tissue Contour and Volume | - |
|---|
General SAC Modifiers
| Oral Hygiene and Compliance | Insufficient |
|---|---|
| Access | Adequate |
| Craniofacial/Skeletal Growth | Completed |
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