Implant complications, Peri-implantitis, and Tx Flashcards
How does the epithelium attach to an implant?
basal lamina and hemidesmosomes
How long is the junctional epithelium adjacent to an implant?
2 mm
How long is coneective tissue around an implant?
1-1.5 mm
How are the fibers of the connective tissue around an implant oriented?
Parallel, circular “cuff-like” fiber bundles
What is the Supracrestal connective tissue attachment
for Implants?
3-4 mm
Is there more or less papilla fill next to an implant?
Less papilla fill
Is there higher or shorter papilla height in an implant?
Shorter papilla fill
Where is the source of vascularity around implants?
connective tissue and alveolar bone
How many mm between an adjacent tooth and implant needs to be present?
1.5 mm
How many mm between an implant and implant needs to be present?
3 mm
How much buccal bone must. be present for implant?
1.8 mm
How much biologic wideth must be present on an implant from crest of bone to bone contact?
3-4 mm
What % of patients have peri-implant mucositis?
79%
What % of implants have peri-implant mucositis?
50-90%
Caused by plaque accumulation.
Presence of inflammation.
Reversible condition.
Precursor of peri-implantitis.
Peri implant mucositis
What % of patients have peri-implantitis?
20%
What % of implants have peri-implantitis?
10-56%
Caused by plaque accumulation.
Presence of inflammation.
Loss of supporting bone.
Non-reversible condition.
Peri implantitis
______ inflammatory response was
around implants than teeth; need
______ time to complete reverse
peri-mucositis than gingivitis
Stronger; longer
Peri-implantitis contained ______
proportions of neutrophil granulocytes
and osteoclasts than in periodontitis
larger
Successful and stable
osseointegrated implants
exhibited ____ mobility
NO mobility
How much KERATINIZED TISSUE WIDTH
MUCOSA THICKNESS
INITIAL TISSUE THICKNESS must be present?
2 mm
How much bone loss is acceptable after loading of implant?
less than 0.2 mm a year
less than 2 mm overall
What types of materials can be used for mechanical debridment of implant surfaces?
Plastic, titanium, stainless steel, and anything softer than titanium
What types of drugs are used in anti-infective therapy?
Tetracycline
Doxycycline
Monocycline (arrestin)
If an implant loses osseointegration, how is it treated?
Removal
How often are implants evaluated radiographically w/pathology?
every 6 months
Interproximal brushes can effectively
penetrate up to __mm into a gingival
sulcus and may effectively clean a
peri-implant sulcus
3 mm
What is the recare interval for implants w/ hx of periodontitis?
3 month
What is the recare interval for implants w/ no systemic or local risk factors?
6 month
What should be done if implants has the following:
PD < 3mm
no bop
no plaque
No Tx needed
What should be done if implants has the following:
PD < 3mm
bop
plaque
Mechanical debridement and polishing
What should be done if implants has the following:
PD 4-5mm
Antiseptic cleansing and mechaincal debridement and polishing
What should be done if implants has the following:
PD > 5mm
bop
No bone loss
Antiseptic cleansing and mechaincal debridement and polishing
What should be done if implants has the following:
PD > 5mm
bop
bone loss < 2mm
Antiseptic cleansing and mechaincal debridement and polishing + systemic or local abx
What should be done if implants has the following:
PD > 5mm
bop
bone loss > 2mm
Antiseptic cleansing and mechaincal debridement and polishing+
Systemic or local abx + resective or regenerative surgery
