Immediate Loading of Six Implants in the Maxilla and Final Restoration with a Full-Arch CAD/CAM Zirconia FDP
A 63-year-old male patient was referred for a consultation and treatment of partial edentulism in the maxilla. The patient presented with residual anterior teeth and declined a partial removable prosthesis. He reported that the maxillary posterior teeth had been extracted due to mobility and periodontal disease two months before the consultation. The patient’s chief complaint was that his residual maxillary teeth were mobile and that he was unable to chew. The patient’s desire was a stable and comfortable fixed maxillary rehabilitation. The patient was a light smoker (fewer than 10 cigarettes/ day), and his medical history was without significant findings. He was not on any regular medication at the time of consultation. The extraoral examination revealed a normal physiognomy with a correct distribution of the facial thirds. The patient presented a low lip line, and the transition line between teeth and soft tissues was not exposed during a forced smile.
Surgical SAC classification
Complex
Prosthodontic SAC classification
Complex
Learner Level
|
1
|
2
|
3
|
Source
Treatment Guide 4
CME/CPD
0.25 hours
Purchase price
10
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General information
| Case Type | Edentulous Maxilla |
|---|---|
| Jaw | Maxilla |
| Area | Full-Arch |
| # of Teeth | All |
| # of Implants | 6 |
| Type of Implants | One-Piece |
| Attachment | One-Piece |
| Bone Augmentation | Horizontal|Simultaneous |
|---|---|
| Augmentation Materials | Xenogenous |
| Guided Surgery | No |
| Soft Tissue Grafting | None |
| 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 | Fully edentulous upper jaw to be rehabilitated with four or more implants |
| Modality | 6+ implants with immediate loading |
| Placement Protocol | - |
| Tooth Site | - |
| Socket Morphology | - |
| Socket Integrity | - |
| Bone Volume | Horizontally and vertically sufficient |
| Anatomic Risk | Low |
| Esthetic Risk | Medium |
| Complexity | High |
| Risk of Complications | High |
Prosthodontic SAC classification
| SAC Level | Complex |
|---|---|
| Defining Characteristics | Fully edentulous upper jaw to be rehabilitated with an implant-borne fixed dental prosthesis |
| Loading Protocol | Immediate |
| Retention | Cemented, with prosthesis margin < 3mm submucosal Cemented, with prosthesis margin < 3mm submucosal |
| Maxillomandibular Relationship | - |
| Mesio-Distal Space | - |
| Inter-Arch Distance | Average |
| Bruxism | Absent |
| Esthetic Risk | Medium |
| Provisional Implant-Supported Prosthesis | Prosthodontic margin < 3 mm apical to mucosal crest Prosthodontic margin < 3 mm apical to mucosal crest |
| Interim Prosthesis during Healing | - - |
| Occlusion/Articulation | - |
| Occlusal Scheme/Issues | Anterior guidance |
Surgical SAC Modifiers
| Periodontal Status | History of periodontitis or genetic predisposition |
|---|
Prosthodontic SAC Modifiers
| Soft Tissue Contour and Volume | Slightly compromised |
|---|
General SAC Modifiers
| Oral Hygiene and Compliance | Sufficient |
|---|---|
| Access | Adequate |
| Craniofacial/Skeletal Growth | Completed |
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