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Vitality of teeth, caries, attrition
● Consideration & selection of abutment
● Vitality of the pulp - If not vital, it would not be able to withstand the force when used as
an abutment.
● Location & extent of caries
Condition of supporting tissues
Primary consideration - Namamaga ba? Kaya pa ba ng ngipin maging abutment tooth?
Status of edentulous teeth (or ridge)
Evaluate if there is a presence of lesions
Occlusal relationships
● Occlusal relationships are important to the
stability, retention & maintenance of
dentures
● Equilibration of natural dentition
Intermaxillary space should be adequate for teeth placement,metal framework, connectors & rests
When you are trial fitting, whatever is occupied by the pink wax hanggang sa surface ng ridge dapat kasya doon yung metal framework, yung pontic na gagamitin, yung connectors
Oral hygiene
● Maintenance of hygiene
● Prevent accumulation of debris in abutment areas
Root and crown forms
Important to the type of retainers and placement of clasp
Relation of alveolar ridge to tissues
● Placement of connector should not encroach free gingival margins,frenulum should be relieved, undercuts removed
Relation of free gingival margin to placement of appliance
● Hyperplastic papillae on m & d aspect of abutment
● Avold encroaching the free gingival margin
A-P relation of opposing arches
● Antero-posterior & lateral relationship of opposing arches
○ Centric relation - jaw to jaw relationship of the upper and lower kasi
wala na ngipin patient.
○ Centric occlusion
● Check premature contacts
○ Use of articulating paper
Soft & hard tissue status
● Old patients have thin, atrophic or soft & hyperplastic tissues
● Sore teeth can be due to occlusal trauma
● Consider the design of the appliance &
possibility of removing redundant tissue