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Implantology4

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robbypowell's version from 2017-05-02 14:57

decision making/tx planning

Question Answer
list 7 contraindications that have increased risk of implant failure1 history of aggr periodontitis 2 Heavy smoking 3 Poor oral hygiene 4 Parafunction 5 H&N radiation therapy 6 Osteoporosis 7 Uncontrolled Diabetes
list 5 Treatment planning options for partially edentulous patientsRPD, rpFPD (maryland bridge), Space maintenance, Conventional FPD (most common), Implant (single tooth, or implant FPD)
Of the choices Implant tx, NSRCT tx, and FPD which has the lowest success rateFPD (other two have higher equivalent success rate)
Number of implants necessary for Posterior maxillary RPD1 per dental unit (at least 3 in distal extension area)
Number of implants necessary for Posterior Mandibular RPD2 usually enough (3 recommended when space only for short implants, poor bone quality, 4 dental units, high load)
______ implants are prone to occlusal overload and bone lossshort
in the posterior, implants should be placed perpendicular to the _______ loadocclusal
Cantilevers should be avoided with a _______ configurationlinear
Implant supported single-tooth/FPD restorations should have ______ contact onlyMI
____ design of implant FPD in anterior is better that _____ arrangement to withstand lateral forcescurve > straight arrangement
MD< 8 mm space, BL <5.5-6.5 mm requires ____ mm implant length4-5 mm length
MD 8-11 mm space, BL > 6.5 mm requires _____ mm implant length5-6 length
MD 11-13 mm space, _____ implants needed2 implants
Inter-arch space > 6 mm can utilize ______ retained implant crownCement
Inter-arch space < 6 mm must utilize _______ retained implant crownScrew
If implant is placed too shallow, you run the risk of _______ displayMetal
If implant is placed too deep, you run the risk of _______ loss and _____-_______papilla loss & Peri-implantitis
Just right placement of single-tooth implant placement would have the implant ______ mm apical to adjacent CEJ2 mm
What is the amount of space needed between implants?>3 mm
what is the amount of space needed between implants and adjacent teeth?>1.5 mm
What is the mount of of space needed for inter-occlusal space of implant>7 mm (4 for abutment)
The weakest bone around an implant is at ____ weeks after implant placement4 weeks
implant placement may be ____ driven, _____ driven, or a combination of the twobone driven; restoration driven
According to new findings, the ideal age of a patient for implant placement is _____ yo21 yo
If an implant is placed while the patient is still growing, then the restoration will end up in _______-occlusion (infra/hyper)Infra (out of occlusion)
If the implant restoration is in infra-occlusion on a young adult patient then it was likely placed while the patient was still growing and bone _______ has occurredremodeling
Type ___ & ____ bone will become type ____ & ____ if not in function1 & 2 —> 3 & 4
_______ of the implant becomes more difficult as maxillary bone recedesAngulation
Increased interocclusal distance changes the crown:implant ratio; But an implant can handle a ___:___ crown-implant ratio2:1 crown-implant ratio
A gap of greater than 2 mm between implant and socket wall will allow for _______ because _______ (cells) replicate faster than osteoblastsFibrodysplasia; Fibroblasts
For posterior tooth immediate implant placement, _______ implants may be used; surgeon should bury implant _____ mm for post tooth emergence profileWider; bury 2 mm
For anterior tooth immediate implant placement, implants must be placed slightly _____ to the extraction socketlingual
For anterior tooth immediate implant placement, you must drill ___-___ mm past the apex of the socket to achieve primary stability3-4 mm
Ideal implant size (in a generalized sense, not taking specific patient and site factors into account)4 mm x 10 mm
How much buccal and lingual bone (after implant placement) is necessary for ideal implant placement? the absolute minimum?2 mm each (1mm minimum)
How much coronal mucosa relative to implant is ideal?2mm
What is the ideal space between implant and adjacent tooth? absolute minimum?2mm (ideal); 1.5 mm (absolute minimum)
What is the ideal space between two implants? absolute minimum?3 mm (ideal); 2 mm (minimum)
How wide should a space be to place one implant ideally? (in the B-L direction of ridge)8 mm (2 mm B bone + 4 mm implant + 2 mm lingual bone)
How wide should a space be to place one implant ideally? ( in the M-D direction between roots of teeth)8 mm (2 mm M bone + 4 mm implant + 2 mm D bone)
How wide should a space be to place two implants ideally? (in the M-D direction between roots of teeth)15 mm (2 mm M bone + 4 mm implant + 3 mm between implants + 4 mm implant + 2 mm D bone)
How wide should in implant be to replace 2 mand incisors (3 mm narrow type)12 mm (1.5 mm from root + 3 mm implant + 3 mm between implants + 3 mm implant + 1.5 mm from root) (this calc for some reason is taking the minimum number for space between implant and root)
The minimum distance is based on the ______ part of the implantWidest
The current standard length for an implant is _____ mm, however there is new evidence that _____ mm is sufficient length10 mm (current standard); 6 mm (new evidence supports that this length is sufficient)
Zygoma implants should only be considered in situations where there is severe _____ ____bone loss
Implants can be placed _______ to account for slightly inadequate vertical dimension (allowing greater length in the same vertical space) to what extent?Tilted; < 45 degrees
You need ___ mm clearance from the mental foramen and ____ mm clearance from the IA canal2 mm (from mental foramen); 5 mm (from IAC)
Maxillary implant needs ____ mm of vertical bone for implant placement10 mm (8 mm implant + 2 mm buffer between sinus) (idk why they're using 8 mm rather than 10 here)
Anterior implants are placed _______, otherwise it is difficult to have an esthetic restorationLingually
Maxillary posterior teeth are placed with a slight _____ angulation, while mandibular posterior teeth are placed with a slight _______ angulationBuccal (max); Lingual (man)
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