Free Core Buildup Note Template (D2950)
A core buildup is a code payers routinely ask you to justify, and the note is where that justification lives. This D2950 template documents what a reviewer looks for: how much tooth structure was left, why a crown would not be retained without a buildup, the material and isolation used, and the crown that follows.
By Yasmin Byott, DDS, MS · Founder, ButterNote · Updated
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Core buildup #[19] (D2950), [same visit as crown preparation]. Medical history reviewed; [no changes]. Pre-operative findings: [large MOD amalgam with recurrent caries; DL cusp fractured]. Pre-operative radiograph [PA #19]: [no periapical pathology]. Tooth [vital, asymptomatic] / [previously endodontically treated]. Local anesthesia: [1.5] carpules of [4% Septocaine 1:100k epi] via [IANB]. [Rubber dam] isolation. Existing restoration and caries removed; [no pulp exposure]. Remaining tooth structure: [MB and ML cusps intact; DL cusp missing; DB cusp undermined and reduced; approximately half of the coronal structure lost]; insufficient retention and resistance form for a crown without a buildup. [Post-excavation photo taken.] [Selective enamel etch; universal adhesive applied and light cured.] Core built up with [dual-cure composite core material], [no pins]. Core shaped for crown preparation, with crown margins planned on sound tooth structure apical to the core. Patient tolerated procedure well. Next: [crown preparation #19, same visit].
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When to use this template
Use this core buildup note template when you rebuild lost coronal tooth structure so that a crown will have the retention and resistance form it needs. CDT D2950 is core buildup, including any pins when required. Its descriptor explains that it refers to building up coronal structure when there is insufficient retention for a separate extracoronal restorative procedure, and that a core buildup is not a filler to eliminate any undercut, box form, or concave irregularity in a preparation. The note has to show the first situation, not the second.
That makes the description of the remaining tooth the most important part of the note. After removing the old restoration and caries, record what is left: which cusps and walls are missing or undermined, roughly how much coronal structure is gone, and why the preparation would not retain a crown without the core. A pre-operative radiograph and, ideally, a photo after excavation make the case for you; payers often ask for both. Also record the pulpal status (vital, or previously treated endodontically) and whether there was any exposure.
Know the neighboring codes. D2949 (restorative foundation for an indirect restoration) is for placing material to give a preparation a more ideal form, including eliminating undercuts, on a tooth that already has adequate retention. Pins are included in D2950. A prefabricated post and core is D2954 and a cast post and core is D2952; the core is part of those codes, so do not add D2950 to them on the same tooth. Name the isolation, adhesive, and core material. Finally, plan the crown margin on sound tooth structure apical to the core (a ferrule); if that is not possible, crown lengthening or another plan belongs in the note.
Step by step: how to document this core buildup
- 1
Record the starting point
Record the existing restoration, caries, fractures, pulpal status, and the pre-operative radiograph.
- 2
Anesthetize and isolate
Record the anesthetic, volume, and technique, and the isolation used.
- 3
Excavate
Remove the old restoration and caries and record any pulp exposure.
- 4
Describe what remains
Record the cusps and walls left and why the tooth lacks retention for a crown without a core.
- 5
Build the core
Record the adhesive, core material, and any pins, and shape the core for the crown preparation.
- 6
Plan the crown
Record where the crown margins will sit on sound tooth structure and the crown visit.
Tips for using this template
- check_circleState the reason in the descriptor's own terms: insufficient retention for the crown without a buildup. Then back it with specifics.
- check_circleDescribe what is left after excavation (cusps, walls, roughly how much structure is gone). "Buildup placed" tells a reviewer nothing; "DL cusp missing, DB undermined" does.
- check_circleTake a radiograph and, if you can, a photo after excavation. They are the evidence payers ask for most often on D2950.
- check_circleDo not call a blockout a buildup. Filling undercuts or a box on an otherwise retentive preparation is D2949 or part of the crown, not D2950.
- check_circlePosts change the code: prefabricated post and core is D2954, cast post and core is D2952, and the core is included in both. Pins are included in D2950.
- check_circleName the isolation, the adhesive, and the core material. If the core debonds under the crown later, that is the first thing anyone will want to know.
- check_circlePlan for a ferrule: crown margins on sound tooth structure apical to the core. If you cannot get one, document the plan, such as crown lengthening.
- check_circleSame-day buildup and crown prep are reported separately, but some payers bundle or limit D2950, especially on vital teeth. Check the plan.
Standards & references
- ADA Code on Dental Procedures (CDT): D2950 (core buildup, including any pins when required), D2949 (restorative foundation for an indirect restoration), D2952, and D2954 definitions.
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