Maxillary Complete Denture and Mandibular Overdenture on Two Implants with Universal Design
A 78-year-old female patient was referred by the Department of Neurosurgery to the Department of Biomaterials and Prosthodontics of Kyung Hee University Dental Hospital, Gangdong, Seoul, South Korea. The patient was suffering from facial nerve palsy due to an ischemic stroke that had left parts of her eye, chin, lip, tongue, and extremity paralyzed. She had been wearing maxillary and mandibular complete dentures for 10 years, but after the stroke they were not suitable anymore as her mandibular denture became dislodged during function. In our aging society, dentures for the disabled and elderly are crucial in terms of patient satisfaction and health-related quality of life. Patients suffer from chronic and severe disorders, and elderly/disabled patients need special dental care. The provision of dentures using a minimally invasive treatment approach and a universal design are important issues (Leesungbok 2004).
Surgical SAC classification
Straightforward
Prosthodontic SAC classification
Advanced
Learner Level
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1
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2
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3
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Source
Treatment Guide 9
CME/CPD
0.25 hours
Purchase price
10
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General information
| Case Type | Edentulous Mandible |
|---|---|
| Jaw | Mandible |
| Area | Full-Arch |
| # of Teeth | All |
| # of Implants | 2 |
| Type of Implants | One-Piece |
| Attachment | One-Piece |
| Bone Augmentation | No |
|---|---|
| Augmentation Materials | - |
| Guided Surgery | No |
| Soft Tissue Grafting | None |
| Abutment Type | Standard |
| Prosthesis Type | RDP |
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 | Straightforward |
|---|---|
| Defining Characteristics | Fully edentulous lower jaw to be rehabilitated with two or more implants |
| Modality | 2 interforaminal implants |
| Placement Protocol | - |
| Tooth Site | - |
| Socket Morphology | - |
| Socket Integrity | - |
| Bone Volume | Horizontally and vertically sufficient |
| Anatomic Risk | Low |
| Esthetic Risk | Low |
| Complexity | Low |
| Risk of Complications | Low |
Prosthodontic SAC classification
| SAC Level | Advanced |
|---|---|
| Defining Characteristics | Fully edentulous lower jaw to be rehabilitated with an implant-borne removable overdenture |
| Loading Protocol | Immediate |
| Retention | - - |
| Maxillomandibular Relationship | - |
| Mesio-Distal Space | - |
| Inter-Arch Distance | - |
| Bruxism | Absent |
| Esthetic Risk | Low |
| Provisional Implant-Supported Prosthesis | - - |
| Interim Prosthesis during Healing | - - |
| Occlusion/Articulation | - |
| Occlusal Scheme/Issues | Balanced |
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 | Sufficient |
|---|---|
| Access | Adequate |
| Craniofacial/Skeletal Growth | Completed |
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