The Core Build-up Notes Template UK Dentists Use

A core build-up notes template captures the post-endodontic pre-crown restoration — RCT status confirmation, pre-op radiograph review of obturation quality, ferrule measurement (minimum 2mm circumferential), caries removal, post placement decision and details, core material and shade, and prognosis assessment for crown viability — meeting CGDent restorative and endodontic-restorative interface standards.

Ferrule assessment is the single most-cited missed entry in core build-up notes per MDDUS case analysis — and the single most-defensible record when a root-treated tooth later fractures. Below is the template UK dentists paste into their PMS for any pre-crown core.

Download the free Core Build-up template — plain text, GDC/FGDP(UK)-aligned.

Why this core build-up template wins

Ferrule measured per surface — 2mm circumferential minimum is the evidence-based threshold; absent ferrule notation is the most-cited indemnity gap in fractured-tooth claims.
Post decision flowchart — sufficient coronal structure? No → post. With explicit type/length/diameter selection rationale.
Prognosis assessment recorded (good / guarded / poor) — when the tooth fails, this is the defensive line: you predicted it and warned the patient.
RCT cross-reference — date, WL, obturation quality — gives any subsequent clinician (or specialist) full picture without rifling through old notes.
Patient consent specifically about crown viability — Montgomery defensible when prognosis is guarded.

Compliance: the medico-legal angle

CGDent restorative records — operative detail including pre-existing structure, materials, and prognosis.
RCS England endodontic-restorative interface — ferrule, post-and-core design, and prognosis assessment must be documented before crown.
ESE Quality Guidelines — post space, post design, and final restoration plan all integral to long-term RCT success.
Montgomery — guarded prognosis must be discussed; "the tooth might fracture" is a material risk patients want to know.

Common mistakes UK dentists make

No ferrule assessment recorded — when the tooth later fractures, you cannot demonstrate you evaluated this critical prognostic factor.
Post placed without documenting type, length, diameter — if a post fails or the canal perforates, you can't demonstrate appropriate technique.
No prognosis discussion in consent — Montgomery breach for any heavily-compromised tooth.
Building up to crown prep height without composite shrinkage management — internal voids weaken the foundation.
No "avoid heavy chewing until crowned" advice — if tooth fractures before crown, the patient claims you didn't warn.

Frequently asked questions

What's a ferrule and why does it matter?

Ferrule is the 360° sound tooth structure that the crown encircles above the cement margin. Minimum 2mm circumferential is the evidence-based threshold for adequate retention and resistance to fracture. Less than 2mm: the crown becomes a glorified cap, the post takes all the force, and the root fractures. Either crown-lengthen surgically to expose more tooth, or extract.

When do I need a post?

When there's insufficient remaining coronal structure to retain the core material alone. Anterior teeth: usually need post if access cavity removed most of the lingual wall. Posterior teeth: often don't need post if pulp chamber is large and 2+ canals provide internal retention.

Fibre, metal, or cast post?

Fibre — radiolucent, similar modulus to dentine, easy to remove if re-treatment needed. Best for most cases. Metal (titanium): radiopaque, stiff, harder to remove. Cast (custom): for highly tapered canals where prefab won't fit. Most UK practice now uses fibre posts.

How long should a post be?

Minimum 2/3 of root length, OR equal to crown height — whichever is longer. NEVER closer than 4-5mm to the apex (preserve apical seal). Documented length and rationale defends against perforation and seal-loss claims.

What if there's no ferrule?

Three options: (1) Surgical crown lengthening to expose more tooth structure (8-12 week healing before crown prep); (2) Orthodontic extrusion of root; (3) Extraction + implant/bridge. Building a crown on a no-ferrule tooth is poor practice and the fracture is your liability. Document the discussion.

When should I place the crown after core build-up?

Typically 2-3 weeks. Long enough for tissue healing if gingival manipulation occurred during isolation. Not so long that the temporary fails. Document the planned interval and the temporary type.