Peri-implantitis Treated with Access-Flap Surgery
A 27-year-old male was referred to the periodontist for assessment and management of implant site 41. The implant had been placed nine years previously and restored with a screw-retained single crown. The patient was a cigarette smoker in good general health. He reported he had reduced his smoking habit from 25 cigarettes per day to 15 cigarettes per day in the previous six months. On examination, there was calculus and plaque present at the lower anterior teeth and at implant site 41. Localized attachment loss was observed at teeth 32 and 42, with 2–3 mm of gingival recession. At implant site 41, there were 8–9 mm probing depths with suppuration and bleeding on probing.
Surgical SAC classification
Advanced
Prosthodontic SAC classification
Straightforward
Learner Level
|
1
|
2
|
3
|
Source
Treatment Guide 8
CME/CPD
0.25 hours
Purchase price
10
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General information
| Case Type | Single-Tooth Space |
|---|---|
| Jaw | Mandible |
| Area | Anterior |
| # of Teeth | 1 |
| # of Implants | 1 |
| Type of Implants | Two-Piece |
| Attachment | Two-Piece |
| Bone Augmentation | No |
|---|---|
| Augmentation Materials | - |
| Guided Surgery | No |
| Soft Tissue Grafting | None |
| 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 | Advanced |
|---|---|
| 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 | Horizontally and vertically sufficient |
| Anatomic Risk | Low |
| Esthetic Risk | Low |
| Complexity | Moderate |
| Risk of Complications | Moderate |
Prosthodontic SAC classification
| SAC Level | Straightforward |
|---|---|
| Defining Characteristics | One missing tooth to be replaced by an implant-borne crown |
| Loading Protocol | Conventional or early |
| Retention | Screw-retained Screw-retained |
| Maxillomandibular Relationship | Angle Class I and III |
| Mesio-Distal Space | Symmetry +/- 1 mm of contra-lateral tooth |
| Inter-Arch Distance | - |
| Bruxism | - |
| Esthetic Risk | Low |
| Provisional Implant-Supported Prosthesis | - - |
| Interim Prosthesis during Healing | - - |
| Occlusion/Articulation | - |
| Occlusal Scheme/Issues | - |
Surgical SAC Modifiers
| Periodontal Status | Healthy |
|---|
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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