CurrentBluecross IdahoPolicy MP 9.02.515

Dental Procedures - Bridges, Crowns, Implants

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Guidance on when dental indirect restorations (inlays, onlays, crowns), fixed prosthodontics (bridges), and implants are dentally appropriate and/or medically necessary for Blue Cross of Idaho members; applies to providers submitting claims for reimbursement.

Policy Summary

PayerBluecross Idaho

PolicyDental Procedures - Bridges, Crowns, Implants

Policy CodePolicy MP 9.02.515

Change TypeMinor/No material changes

Effective Date06/25/2026

Last ReviewJun 25, 2026

Next Review Date06/25/2026

Key ActionPredeterminations are recommended and require supporting documentation including pretreatment radiographs and clinical narrative.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

16min age for implants/bridges

50%min bony support

1temporary crown benefit

6/25/2026effective date

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CurrentBluecross IdahoPolicy MP 9.02.515

Dental Procedures - Bridges, Crowns, Implants

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Policy Summary

PayerBluecross Idaho

PolicyDental Procedures - Bridges, Crowns, Implants

Policy CodePolicy MP 9.02.515

Change TypeMinor/No material changes

Effective Date06/25/2026

Last ReviewJun 25, 2026

Next Review Date06/25/2026

Key ActionPredeterminations are recommended and require supporting documentation including pretreatment radiographs and clinical narrative.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

16min age for implants/bridges

50%min bony support

1temporary crown benefit

6/25/2026effective date

policy history entries

Coverage Criteria for Indirect Restorations, Bridges, and Implants

Indirect restorations (inlays, onlays, partial and full crowns) — Covered when ALL of the following are met

An indirect restoration may be considered dentally appropriate and/or medically necessary when ALL of the following are met:

Primary indication: Tooth is compromised by extensive loss of coronal tooth structure due to decay, defective large restorations, or traumatic fracture (including cracked tooth syndrome)

source: chunk 5

Specific tooth-level criteria: (1) An anterior tooth has significant loss of coronal tooth structure; (2) A posterior tooth has significant missing tooth structure and/or large restorations that compromise function, or loss of support for one or more cusps; (3) Treatment resulting from accidental injury to a sound natural tooth where missing tooth structure extends into dentin

source: chunk 5

Periodontal and endodontic status: Tooth must be periodontally sound (no untreated periodontal disease evidenced by radiograph or periodontal charting) and endodontically sound

source: chunk 5

Cracked tooth syndrome documentation: When relying on cracked tooth syndrome, documentation must include: (a) patient oral complaints/current symptoms including onset, frequency, duration; (b) endodontic evaluation confirming no pulpal involvement requiring endodontic therapy; (c) evidence tooth has sufficient structural integrity to be restored to function

source: chunk 5

Functional occlusion: Tooth to be crowned must be in occlusal function with an opposing tooth and must occlude with at least one-third of an opposing tooth (exceptions may be made for crowns supporting removable or fixed partial dentures)

source: chunk 5

Exclusions — cosmetic: Teeth that are discolored, misshapen, or have compromised aesthetics, and crowns placed solely to enhance aesthetics or to correct developmental/congenital defects, are considered cosmetic and are not medically necessary

source: chunk 6

Other exclusions: Teeth with developmental grooves or craze lines confined to enamel, or teeth with moderate attrition, abrasion, or erosion, are not eligible for indirect restorations

source: chunk 5

Temporary crown: A temporary crown is considered a component of the final restoration and is not eligible for a separate benefit

source: chunk 5

Implants — Covered when criteria are met

Implant placement may be appropriate to treat missing teeth when medically necessary and is subject to dental review. Coverage requires ALL of the following:

Implant type: Implants are limited to endosteal implants (endosteal/endosseous)

source: chunk 7

Medical necessity and review: Implant must be medically necessary and is subject to dental review; procedures related to manufacture defects or repairs may be considered

source: chunk 7

Age restriction: Implants, fixed bridges, and removable cast partials are not dentally appropriate for patients under age 16

source: chunk 7

Prohibited combinations: A bridge connecting an implant-supported tooth to a natural tooth is not medically necessary or dentally appropriate

Prosthodontics, fixed — coverage notes

Definitions and billing conventions for fixed partial dentures (bridges) and related prosthodontic services:

Units and components: Each retainer and each pontic constitutes a unit in a fixed partial denture; separate charges for removal, tooth preparation, models, temporary restorations, cement bases, impressions, laboratory fees, local anesthesia, occlusal adjustments (within six months), electrosurgery, laser technology, and related components are considered part of the complete procedure and are not payable separately

source: chunk 10

Age restriction: Fixed bridges and removable cast partials are not dentally appropriate for patients under age 16

source: chunk 10

Replacement planning: When a retainer or bridge is planned for replacement and submitted attachments do not indicate decay, fracture, or compromise, provider should supply a narrative explaining reasons for replacement

source: chunk 10

Crowns or other indirect restorations placed solely to improve appearance are considered cosmetic and are not medically necessary. Specifically, teeth that are discolored, misshapen, or have compromised aesthetics do not meet criteria for coverage, and crowns intended to correct developmental or congenital defects for aesthetic reasons are excluded from benefit.

Placement of dental implants is limited to endosteal implants and is subject to dental review. Implants and fixed prosthodontic appliances that include implant retainers are not considered dentally appropriate for patients under age 16. In addition, a fixed bridge that spans between an implant-supported tooth and a natural tooth is not medically necessary or dentally appropriate and is excluded from coverage.

Policy history documents an administrative change removing references to Alternate Benefits. The history notes that references to Alternate Benefits were intentionally removed during prior updates and that coding references were adjusted to rely on the Dental Provider Administrative Policies (DPAP).

Procedures performed solely for aesthetic improvement do not meet the definition of medically necessary dental care. Examples include restorative work undertaken only to enhance tooth color, shape, or other appearance-related features; such procedures are considered cosmetic and are not eligible for coverage.

Minor anatomic or surface defects are not indications for indirect restorations. Examples explicitly noted in the policy include developmental grooves or craze lines confined to enamel, and teeth with moderate attrition, abrasion, or erosion. These conditions, when limited to enamel or representing only moderate wear, do not qualify a tooth for crown or onlay coverage.

Coding and Billing References

Provider Actions, Documentation, and Billing Rules

Prior Authorization

Predetermination recommended; submit pretreatment radiographs and supporting documentation

Predeterminations are recommended and require supporting documentation, including most recent, dated, identified pretreatment diagnostic radiographic image(s) that include the tooth apex, plus medical records or a narrative. When radiographs do not clearly show the need for an indirect restoration, include intra‑oral photographs and a narrative rationale.

Most recent, dated, identified pretreatment radiograph(s) that include the tooth apex
Medical records or narrative documenting clinical indications
If radiograph is not definitive, include intra‑oral photographs and rationale

Note

DPAP governs dental coding, billing and prior authorization — refer to DPAP

Follow the Dental Provider Administrative Policies (DPAP) for dental claims coding, billing and any prior authorization requirements; providers must refer to DPAP for information related to Dental claims coding and billing requirements.

Background and Clinical Rationale

Indirect restorations (inlays, onlays, partial and full crowns) are used to restore teeth that have been structurally compromised by extensive decay, large defective restorations, or traumatic fracture (including cracked tooth syndrome). For an indirect restoration to be considered dentally appropriate and/or medically necessary, the tooth generally must have significant loss of coronal structure (anterior) or missing structure/undermined cusps (posterior), be periodontally and endodontically sound, be in functional occlusion with at least one-third contact with the opposing tooth, and documentation must support that the tooth can be predictably restored to function. Temporary crowns are considered a component of the final restoration and are not eligible for separate benefit.

Definitions

inv-20: Sound Natural Tooth — definition including >= 50% bony support and absence of active decay

DefinitionTeeth free of active or chronic clinical decay; have at least fifty percent (50%) bony support; are functional in the arch and have not been excessively weakened by multiple dental procedures.

Support thresholdAt least fifty percent (50%) bony support.

ExclusionsTeeth with extent of injury influenced by prior restorations are not considered 'sound natural tooth'.

inv-21: Inlay / Onlay — definitions distinguishing intracoronal vs covering cusps

InlayAn intracoronal dental restoration, made outside the oral cavity to conform to the prepared cavity, which does not restore any cusp tips.

OnlayA dental restoration made outside the oral cavity that covers one or more cusp tips and adjoining occlusal surfaces, but not the entire external surface.

Policy Revision History

2026-06-25Annual review - replace policyLatest

Policy replaced as part of Blue Cross of Idaho annual review; no change to clinical policy statements.

2025-05-29Annual review - replace policy

Policy replaced during Blue Cross of Idaho annual review; no change to clinical policy statements.

2024-05-01Update - removed Alternate Benefits reference

Policy Summary

PayerBluecross Idaho

PolicyDental Procedures - Bridges, Crowns, Implants

Policy CodePolicy MP 9.02.515

Change TypeMinor/No material changes

Effective Date06/25/2026

Last ReviewJun 25, 2026

Next Review Date06/25/2026

Key ActionPredeterminations are recommended and require supporting documentation including pretreatment radiographs and clinical narrative.

SourceLink

On This Page

Optional specialized procedures: Specialized techniques (e.g., precision attachments) and associated appliances are optional and require the patient's agreement to assume additional cost

DPAP is the authoritative source for dental coding and billing guidance
DPAP also governs any prior authorization requirements affecting dental codes

Documentation Required

Provider actions: submit required documentation and follow DPAP coding

Providers must submit the documentation specified by the policy for predetermination and claims (pretreatment radiographs and medical records/narrative) and follow DPAP coding rules; failure to provide required documentation or to follow DPAP may affect adjudication.

Submit required diagnostic radiographs and medical records/narrative with predetermination requests or claims
Ensure codes and billing follow DPAP to avoid processing issues

Documentation Required

Provider actions: include adjunctive diagnostic attachments when needed

Providers should consult the policy’s documentation and DPAP guidance when preparing predetermination requests or claims to ensure all required attachments (radiographs, narratives, and any adjunctive photos) are included.

Include intra‑oral photographs when radiographs are not definitive
Attach narratives explaining clinical rationale when replacement is planned without radiographic evidence

Documentation Required

Required documentation: radiographs, medical records, and narratives

Required documentation for predetermination and claims must include the most recent, dated, identified pretreatment diagnostic radiographic image(s) including the tooth apex and medical records or a narrative; when radiographs are not clear for indirect restorations, include intra‑oral photographs and narrative rationale.

Most recent, dated, identified pretreatment radiograph(s) including the tooth apex
Medical records or narrative describing clinical indications
Intra‑oral photographs when radiographs do not clearly show need for restoration

Billing Rule

Provider billing rule: follow DPAP for dental claims coding and billing

Billing and coding for dental claims are governed by the Dental Provider Administrative Policies (DPAP); providers must refer to DPAP for specific coding and billing requirements prior to claim submission.

Refer to DPAP for appropriate procedure codes and billing instructions
Follow DPAP when preparing predetermination requests to ensure correct code use

Denial Risk

Bundled procedure components — no separate benefit for temporaries, lab fees, local anesthesia, etc.

Do not bill separately for components of crown/bridge procedures—temporary restorations, laboratory fees, local anesthesia, tooth preparation, models, impressions, occlusal adjustments within six months, cement bases and related items are considered part of the complete procedure and will receive no additional benefit if submitted separately.

Temporary restorations and local anesthesia are included in the single procedural charge
Occlusal adjustments within six months are part of the complete procedure
Lab fees, models, impressions, cement bases, and related items are not separately payable

Denial Risk

Denial risk if DPAP and documentation requirements are not followed

Dental claims coding and billing requirements are governed by DPAP; failure to follow DPAP and the policy’s documentation requirements (radiographs, narratives, photos when needed) may result in claim processing denial.

Noncompliant or incomplete predetermination/claim documentation risks denial
Submitting separate charges for bundled components also risks denial

Primary distinctionInlay restores within the tooth (does not restore cusps); onlay restores one or more cusp tips and adjoining occlusal surfaces.

inv-22: sound natural teeth — external dictionary reference citation

External referenceLawInsider entry for 'sound natural teeth' is cited as a reference in this policy (https://www.lawinsider.com/dictionary/sound-natural-teeth).

PurposeProvides an external dictionary definition supporting the policy term 'sound natural teeth'.

Policy noteReference listed in the policy references section to clarify terminology.

Blue Cross of Idaho adopted changes effective 05/01/2024 that removed references to Alternate Benefits from the policy.

2023-03-30Policy update - revisions and clarifications

Policy statements were pruned, revised, and clarified; additional definitions and reference added; codes removed due to DPAP reference.

2022-01-18Adoption - new policy

Blue Cross of Idaho adopted the policy effective 01/18/2022 (policy created on 10/28/2021).