Case

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Replacement of Multiple Teeth in a Partially Dentate Posterior Mandible with a Fixed Dental Prosthesis Using an Early Loading Protocol

A 55-year-old female patient was referred for consultation and treatment. Her chief complaint was pain associated with the mandibular right second premolar (tooth 45). The patient denied systemic or oral diseases capable of compromising dental care. She had a history of adult periodontitis, for which she continued to be treated. Her response to therapy and motivation towards dental health were considered excellent. Intraoral examination revealed a cantilever fixed dental prosthesis in the mandibular right quadrant, with retainers on teeth 45 and 47,and pontics at sites 44 and 46.The retainer on tooth 45 was loose, and the tooth was carious. Radiographic evaluation confirmed the extent of the caries and the maintenance of bone around tooth 45 and in the pontic region 46.

Surgical SAC classification
Advanced
Prosthodontic SAC classification
Straightforward
Learner Level
Source
Treatment Guide 2
CME/CPD
0.15 hours
Purchase price
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General information

Case Type Short Space
Jaw Mandible
Area Posterior
# of Teeth 3
# 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 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 Up to three missing teeth to be replaced with an implant-borne restoration or restorations
Modality -
Placement Protocol Immediate implant placement
Tooth Site Mandibular premolar, adjacent to mental foramen
Socket Morphology Single-root socket
Socket Integrity Sufficient, with intact bone walls
Bone Volume Sufficient, with intact walls
Anatomic Risk Moderate
Esthetic Risk Low
Complexity Moderate
Risk of Complications Moderate

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 +/- 1 mm
Inter-Arch Distance > 8 mm
Bruxism Absent
Esthetic Risk Low
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 Harmonious
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 Good
Access Adequate
Craniofacial/Skeletal Growth Completed
Publication date: Jan 11, 2015 Last review date: Apr 10, 2022 Next review date: Apr 10, 2025
Clinical Case Treatment Guide 2

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