Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Structure of premolar tooth	Is a	Structure of permanent tooth	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of premolar tooth	partie de	All teeth, gums and supporting structures (body structure)	false	Additional relationship (core metadata concept)	Existential restriction modifier (core metadata concept)
Structure of premolar tooth	Is a	Tooth structure	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of premolar tooth	Laterality	Side	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of premolar tooth	Is a	Structure of tooth of posterior dentition (body structure)	true	Inferred relationship	Existential restriction modifier (core metadata concept)

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Entire permanent upper right third premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Entire permanent upper right premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Permanent upper left premolar tooth (body structure)	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Permanent lower right premolar tooth (body structure)	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Entire permanent lower left premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Entire premolar tooth	Is a	True	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Entire permanent lower left third premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Entire permanent upper left fourth premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Entire permanent lower right third premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Entire permanent lower right fourth premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of deciduous premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Entire permanent upper left third premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Entire permanent lower left fourth premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Entire permanent upper right fourth premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of maxillary left first premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Impacted premolars	Finding site	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Structure of permanent premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of maxillary left second premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of permanent mandibular left first premolar tooth (body structure)	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of mandibular left second premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of permanent maxillary right second premolar tooth	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of permanent maxillary right first premolar tooth (body structure)	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of permanent mandibular right first premolar tooth (body structure)	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of permanent mandibular right second premolar tooth (body structure)	Is a	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of first premolar tooth (body structure)	Is a	True	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of second premolar tooth (body structure)	Is a	True	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)
Impacted premolars	Finding site	True	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Impacted premolars	Finding site	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Impacted premolars	Finding site	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Revision of treatment of root canal of premolar tooth (procedure)	Procedure site - Direct (attribute)	True	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Root canal therapy, bicuspid, excluding final restoration	Procedure site - Direct (attribute)	False	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Root canal treatment of premolar tooth	Procedure site	True	Structure of premolar tooth	Inferred relationship	Existential restriction modifier (core metadata concept)	2

Reference Sets

Lateralizable body structure reference set (foundation metadata concept)

Anatomy structure and entire association reference set (foundation metadata concept)

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Id	Description	Lang	Type	Status	Case?	Module
126921016	Premolar tooth	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
126923018	Bicuspid tooth	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
503276012	Structure of premolar tooth	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
817143014	Structure of premolar tooth (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
126921016	Premolar tooth	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
126921016	Premolar tooth	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
126923018	Bicuspid tooth	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
126923018	Bicuspid tooth	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
503276012	Structure of premolar tooth	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
503276012	Structure of premolar tooth	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
817143014	Structure of premolar tooth (body structure)	en	Fully specified name	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
817143014	Structure of premolar tooth (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core