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Dental implants.
Indications, contraindications


Last Updated: 10.01.2024

Author: George Ghidrai, MD  

When are dental implants strongly indicated?

Dental implants can successfully restore all forms of Edentulism: from Partial Edentulism, when one or more teeth are missing, to Complete Edentulism, when all teeth from a dental arch are missing.

If there are no general or local contraindications, implant-supported restorations are the method of choice in restoring all types of toothless gaps.

In certain clinical situations, dental implants are strongly recommended over traditional restorations:




General and Local Contraindications

Sometimes, some general or local conditions may prevent the placement of dental implants. Some of these conditions may be addressed before the implant's surgical placement, while others may make the overall placement inadvisable.

Let's review the general and local contraindications for dental implants.

General contraindications

  1. Absolute contraindications

    Some severe general conditions make anesthesia, surgical procedures, and the overall placement inadvisable.

    • Heart diseases affecting the valves, recent infarcts, severe cardiac insufficiency, cardiomyopathy
    • Active cancer, certain bone diseases (osteomalacia, Paget's disease, brittle bones syndrome, etc.)
    • Certain immunological diseases, immunosuppressant treatments, clinical AIDS, awaiting an organ transplant
    • Certain mental diseases
    • Strongly irradiated jaw bones (radiotherapy treatment)
    • Treatments of osteoporosis or some cancers by bisphosphonates

  2. Relative contraindications

    Other situations will be evaluated on a case-by-case basis. Most often, dental implants can only be placed (with the greatest caution) after some preliminary treatments.

    • Diabetes (particularly insulin-dependent)
    • Angina pectoris (angina)
    • Significant consumption of tobacco
    • Certain mental diseases
    • Certain auto-immune diseases
    • Drug and alcohol dependency
    • Pregnancy

Age


Local contraindications

Some conditions or physiological changes, usually inside the mouth cavity, may temporarily prevent the placement of dental implants. Most of the time, these conditions can be remedied before the implants are inserted in the jawbone.




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