Implant indications and guidelines Flashcards
which subheading does the WHO classify implants in?
The International Classification of Functioning, Disability and Health”
what 3 things do implants restore?
AESTHETCS
FUNCTION - quality of life
MAINTAIN ALVEOLAR BONE
what growing public health problem can implants help restore?
edentulism - 6%
what % adults have had 1 tooth removed?
74%
what 2 diseases are associate with implants?
Peri implantitis
Peri implant mucositis.
can dental implants cause nerve damage?
yes - implants becoming most common cause
what is the definition of dental implant?
prosthetic device of alloplastic material implanted into the oral tissues beneath the mucosa and/ or periosteal layer, and/ or within the bone to provide retention and support for a fixed or a removable prosthesis
what can an implant replace?
Single tooth – crown
Multiple teeth – fixed bridge
Full arches – dentures
what pt indications are required for implants?
Well motivated compliant patient
Well maintained dentition free of caries and periodontally sound
Systemically well
Non-smoker 3 month cessation, no nicotine vapes – no smoker on NHS, can take blood test and check for metabolites.
Not immunocompromised
No bruxism or parafunctional habits
No impaired wound healing
Contraindications for implants?
Age - 20s for man, 18 for woman
Medical health
poorly controlled diabetes (HBA1c greater than 8)
bisphosphonate treatment
psychiatric and mental health
other conditions such as blood disorders, immunodeficiency,
alcohol/drug abuse, bone disorders and epilepsy (trauma risk
tobacco use
poor dental health
Name 7 priority groups who can get implants on the NHS by royal college of surgeon?
1 Patients with congenital, inherited conditions that have led to missing teeth, tooth loss or malformed teeth – cleft lip, Dentinogenesis imperfecta, aggressive periodontitis.
2 Patients with traumatic events leading to tooth loss – dentoalveolar structure. 3 Patients with surgical interventions resulting in tooth and tissue loss, for example, head and neck cancer and non-malignant pathology – cysts. 4 Patients with congenital or acquired conditions with extra-oral defects of, for example, eyes or ears 5 Patients who are edentulous in either one jaw or both in whom repeated conventional denture treatment options have been unsuccessful – atrophic jaw, flat maxilla, gag reflex. 6 Patients with severe oral mucosal disorders and those with severe xerostomia where conventional prosthetic treatment is not possible and/or the provision of conventional treatment would be detrimental to the mucosal disorders – extreme dry mouth. 7 Patients who do not have suitable existing teeth that can be used for anchorage to facilitate orthodontic treatment
which part is the implant?
intra osseous part that replaces the root.
what 3 requirements are needed for implants?
- Safety
- Compatibility – biological, biomechanical and morphological
- MRI safety and image compatibility – cannot be magnetised.
what is osseointegration?
“A direct structural and functional connection between ordered living bone and the surface of a load-carrying implant”
which is the best direction of loading?
ong axis of implant – resists best! Not rotatory position.
