IMPLANTS FINAL

subperiosteal

implant that sits below the periosteum

transosseous

implant that goes through the bone, ONLY for MANDIBULAR edentulous arches

endosseous

implants that sitts within living bone

subperiosteal

which type of implant rests on the alveolar bone WITHOUT any mechanical anchoring components

false

T/F transosseous implants are used for patients with edentulous maxillary arch

true

T/F moderately rough surface characteristic of endosseous implants has shown improved healing ability and stability

internal threads

used to secure a restoration/component (abutment) to the implant body

8-12 weeks

how long is the healing phase after implant placement

abutment supported/cement retained

implant that has TWO parts, separate CUSTOM ABUTMENT

to support a CEMENT RETAINED CROWN

screw retained

abutment part incorporated into the crown making it a ONE-

PIECE restoration, crown with screw access hole

abutment

device which serves to support and attach thee prosthesis to the implant

screw

how is the abutment secured to the implant

osseointegration

anchorage mechanism for endosseous implants, allows for the support of prosthetic with bone tissue

careful planning, surgical technique, prosthetic management

requirements of succssful OSSEOINTEGRATION

inflammatory process

what drives SUCCESSFUL OSSEOINTEGRATION

protein adsorption

key for TISSUE INEGRATION with biomaterial

osseointegration

immune‐modulated,multifactorial, and complex healing process where a number of cells and mediators are involved

lack of PDL and circular gingival fibers (instead of perpendicular)

how are implants diffferent than teeth?

overload, receptors

dental implants are at an increased risk of _____ due to few ______ in the surrounding bone

irrigation and 600-800 rpm

when drilling an osteotomy how is frictional heat reduced?

25-35 rpm

speed for implant placement

false

T/F implant should be placed with irrigation

true

T/F FLAPLESS surgery requires a precision surgical guide

friction heat

tisue damaged by _____ provides an ideal habitat for microorganisms

true

T/F there should be irrigation during osteotomy

necrotic zone

Mix of healthy cells-osteoblasts, osteocytes, osteoclasts, and mesenchymal

stem cells between the bone and implant after implant placement

osteoblasts

grow new bone

mesenchymal stem cells

undifferentiated cells that may be stimulated to transform into osteoblasts

osteoclasts

dissolve bone

osteocytes

cells within living bone that participate in remodeling process

vascular invasion

__________ of the necrotic cortex will depend on the ability of

osteoclasts to resorb the necrotic bone and osteoblasts to produce new bone

blood supply

Poor ______ stimulates proliferation of fibrous tissue

10

The bone remodeling of the region at the implant surface will start ~ ___ days after

implant placement

true

T/F with OSSEOSHAPER drill the osteotomy should be widened and fianalized at slow speed (<50 rpm) with NO IRRIGATION

0.2mm

marginal bone loss should NOT exceed ____ after the first year

titanium

low corosion duue to ttenacoius surface oxide layer

stable oxide layer

KEY factor for creating a strong bone-implant interface on which mineralized

bone can be deposited

100 Å

how close is the intimate contact betweeen extra cellular matrix produced by osteroblasts and the titanium surface

primary implant stability

how well the implant is mechanically anchored to the bone

threaded shape

provide superior initial implant stability with imporved and fasted osseointegration

threaded

which implants has seeen less bone loss over time

true

T/F there is NO DIFFERENCE between straight and taperped implants in initial implant stability in well mineralized bone

tapered

developed for sites with “soft” bone quality to provide better initial implant stability by “condensing” the surrounding bone

50-100

after placement implant micromovement should NOT exceed ____µm

secondary integration

replacing the initial bone matrix with mature, mineralized bone around the implant

moderately rough implant surface

Improves initial bone-implant stability and stimulates osteoblast activity and promotes

formation of new bone

30-70%

percentage of surface of successful implant that will have “intimate” bone contact

dull

a ____ sound upon tapping usually indicates lack of osteointegration

chemotherapy

can adversely affect wound healing by preventing cell division and protein synthesis

1-2

A dental implant requires about ___mm of bone around the entire implant body

1.5 mm

Minimum space between TEETH and IMPLANT

3 mm

Minimum space between IMPLANT and IMPLANT

1

Buccal/lingual bone layer must beat least ___mm thick

bone graft

Should always be recommended after extraction if the site is planned for an implant

true

T/F Never touch the graft materials or membrane with gloves or non-sterile instrument

Osteoconduction

ability of bone-forming cells in the grafting area to move across a scaffold and slowly replace it with new bone over time

Osteoinduction

process by which osteogenesis (i.e., new bone formation from osteo-competent cells) is induced

autografts, allograft, and bone morphogenic proteins (BMPs)

Osteoinductive graft materials

hydroxyapatite, xenograft, tricalcium phosphate, calcium sulphates, glass ceramics

osteoconductive graft materials

8-12mm

Recommended minimum inter occlusal height for fixed CEMENT retained prostheses/crowns

6-8mm

Recommended minimum inter occlusal height for fixed SCREW reetaineed prostheses/crowns

SLA or SLAactive (sanblasted large grit acid etched)

implant surface of STRAUMANN is:

sodium chloride (saline)

SLActive are stored in isotonic ____ solution to prevent contamination and promote surface eneregy

one connection for all implant sizes

benefit of STRAUMANN BLX implant

guide pin

used to secure IMPRESSION COPING to the IMPLANT

SC

Straumann implant for Upper lateral incisors/lower incisors

NC

Straumann implant for Upper & lower anterior teeth, bicuspids (lack of alveolar

bone/space)

RC (4.1 mm)

Straumann implant for Single upper anterior teeth, bicuspid-, and molar area, multi-unit FPDs, complete arch fixed prostheses, overdentures, RPD (distal extension support)

RC (4.8 mm)

Straumann implant for Single molars, posterior multi-unit FPDs

35 Ncm

all STRAUMANN abutement screws are tightened to _____

TI-unite

surface of NOBEL biocare systems are

anodic oxidation

the TI-UNITE surface of NOBEL biocare systems are characterized by

NP (narrow platform)

NOBEL biocare implant for Lower incisors, upper lateral incisors, and single rooted anterior teeth if there is a lack of alveolar bone/space

RP (regular platform)

NOBEL biocare implant for Single anterior teeth, bicuspids, multi-unit FPDs, complete arch fixed prostheses, overdentures/ RPD (distal extension support)

WP (wide platform)

NOBEL biocare implant for Single molars

abutment screw

Should only be used in patient’s mouth- not be sent to lab

35 Ncm

ALL abutments/restorations on Nobel Parallel implants require ____ insertion torque

torque wrench

Use the ______ only to do the final tightening of the abutment screw

engaging

single units require _____ abutment design

non-engaging

when splinting 2+ units in a multi-unit restoration a _____ abutement design is required

non-engaging

for SCREW retained MULTI-UNIT restorations ALWAYS use a ____ abutment

engaging

for CEMENT-retained MULTI-UNIT restorations ALWAYS use ____ abutments (separate)

true

T/F prescribe prophylactic Antibiotics dose to take 1 h before surgery if patient has artificial heart valves, joint prostheses, other health concerns

direction indicator

Provides valuable information about depth, position, and angulation of the osteotomy

0.5 mm

The final osteotomy is normally about ____ narrower than the diameter of the implant to allow for good initial stability

true

T/F the implant surface should NEVER be touched with gloves or instrruments

true

T/F no post op antibiotics are necessary for healthy patients

only RB/HB

For IMPLANTS what is the impression material needed

5 min

impression coping must be placed immediately as tisssue will begin to colapse after ____

true

T/F NEVER use hand wrench to tighten guide pin onto impression coping

true

T/F a full arch tray should always be used from implants (single or multiple)

open tray

Guide Pin is unscrewed BEFORE removing the tray

open tray

the IMPRESSION COPINg will ALWAYS be removed WITH the impression

open tray

impression technique recommended for ANTERIOR implants and MULTI-UNIT restorations

35-40 mm

vertical clearance needed for open tray technique

closed tray

coping/plastic cap is removed with impression and metal coping stays connected to the implant. coping is theen unscrewed and repositioned into impression after tray is removed

plastic cap

what helps reposition the metal coping into the impression in the CLOSED teechnique

closed tray

impression technique that can be useed anywhere in the mouth and for single or multi-unit restorations

analog/implant replica

embedded in the master cast and used for the fabrication of the restoration has internal geometry identical to that of the implant

before

The analog is connected to the impression coping _____ the impression is poured