Case

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Clinical Case Report

Replacement of a Congenitally Missing Upper Left Lateral Incisor with a Narrow Neck Implant, Restored with a Ceramo-Metal Crown, Transocclusally Screw-Retained

Bruno Schmid

An 18 year-old female patient, a non-smoker,presented in 1999 during orthodontic treatment with a tooth gap in position 22 due to a congenitally missing permanent tooth 22 and a peg-shaped permanent tooth 12. Orthodontic treatment had started four years before, when the patient was 14 years old, to correct a complex situation by maxillary expansion in combination with a bracket treatment. The patient had been referred by the orthodontist for clarification of a possible implant therapy to define the ideal size of the tooth gap at site 22 as well as the necessary root parallelization for implant placement,i.e. final minor orthodontic corrections to create an ideal situation for implant placement.

Surgical SAC classification
Advanced
Prosthodontic SAC classification
Advanced
Source
Treatment Guide 1
Purchase price
10 Academy Coins
CPD/CME
0.15 hours

Recommended content

General information

Case Type Single-Tooth Space
Jaw Maxilla
Area Anterior
# of Teeth 1
# of Implants 1
Type of Implants One-Piece|Reduced-Diameter
Attachment One-Piece|Reduced-Diameter
Bone Augmentation Horizontal|Simultaneous
Augmentation Materials Xenogenous
Guided Surgery No
Soft Tissue Grafting None
Abutment Type Customized
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 crown
Modality -
Placement Protocol Early or late implant placement
Tooth Site -
Socket Morphology -
Socket Integrity -
Bone Volume Deficient horizontally, allowing simultaneous augumentation
Anatomic Risk Low
Esthetic Risk High
Complexity Moderate
Risk of Complications Moderate

Prosthodontic SAC classification

SAC Level Advanced
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 High
Provisional Implant-Supported Prosthesis Prosthodontic margin < 3 mm apical to mucosal margin Prosthodontic margin < 3 mm apical to mucosal margin
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 Good
Access Adequate
Craniofacial/Skeletal Growth In progress
Publication date: Jan 11, 2015 Last review date: Apr 10, 2022 Next review date: Apr 10, 2025

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