The Surgical Crown Lengthening Notes Template
Nosht
Published by Nosht Limited
Crown lengthening is performed for restorative reasons but classified as periodontal surgery — the records need to capture both rationales. Below is a template for UK clinicians to paste into their PMS, ensuring the 8-12 week healing pause before crown prep is documented.
Why this crown lengthening (surgical) template wins
- Restorative plan rationale recorded BEFORE surgery — defends against "unnecessary surgery" claims.
- Biological width measurement (probe to bone under LA) — quantifies the surgical need.
- Target — 3mm healthy periodontium — explicitly stated and verified post-op. The evidence-based threshold.
- 8-12 week healing pause documented — a common mistake is rushing to crown prep before tissues stabilise.
- Aesthetic consequences (recession in anterior zone) discussed in consent — Montgomery defence.
The template (paste into your PMS notes field)
Paste the crown lengthening (surgical) template below into your PMS notes field. Patient demographics are left out because your PMS already holds them.
TOOTH/TEETH: [FDI] RESTORATIVE INDICATION: [Inadequate ferrule / subgingival caries or fracture / restorative margin in biological width zone (<3mm from bone) / aesthetic gummy smile] PRE-OP RESTORATIVE PLAN: [Cross-reference — what crown / onlay / restoration is planned post-healing] BIOLOGICAL WIDTH ASSESSMENT: [Probe to bone crest under LA — current distance from intended restorative margin to bone __ mm. Target: minimum 3mm of healthy periodontium between bone crest and restoration margin.] PRE-OP RADIOGRAPH: [PA — bone level, root length, crown:root ratio post-procedure] CONSENT (Montgomery): Risks — post-op pain/swelling (manageable), gingival recession (expected — discussed for aesthetic zone), root sensitivity, root exposure, longer crown appearance (aesthetic), need for further restorative work, possibility of poor outcome requiring tooth loss. Benefit: enables restoration that would otherwise fail. Alternative: orthodontic extrusion (slow, complex), extraction + implant/bridge. Patient understands and consents in writing. LA: [Agent + volume + technique]. Profound anaesthesia. SURGICAL PROCEDURE: - Incision: [Gingivectomy (supra-osseous only) / apically positioned flap (sulcular + relieving) / external bevel] - Flap: [Full-thickness mucoperiosteal — buccal + lingual / palatal if needed] - Reflection: [Periosteal elevator, conservative] - Ostectomy: [Removal of supporting bone — round bur water-cooled / chisel — amount removed __ mm] - Osteoplasty: [Reshaping of non-supporting bone for soft tissue contour] - Achieved: [3mm healthy periodontium between new bone crest and intended restoration margin — measured] - Smoothing: [Bone file / round bur] SUTURES: [Vicryl 5-0 or 6-0 / 6/0 silk — number — sites — interrupted] POST-OP RADIOGRAPH: [Optional — confirms bone level] POST-OP INSTRUCTIONS (verbal + written): Avoid mechanical trauma. CHX 0.2% mouthwash twice daily from day 2 (rinse only, no brushing of surgical site). Soft diet 1 week. Analgesia. Avoid smoking. Contact if bleeding, severe swelling, suture loss. PRESCRIPTIONS: [Analgesia. CHX 0.2% mouthwash. Antibiotic — only if indicated.] REVIEW: Suture removal at 7-10 days. RESTORATIVE WORK NOT TO PROCEED FOR MINIMUM 8-12 WEEKS to allow soft tissue and bone remodelling stabilisation. Re-assessment of biological width at 8 weeks before crown prep.
Try the crown lengthening (surgical) note in the live demo → No account needed.
What good looks like — a worked example
The same crown lengthening (surgical) template, completed for a realistic case.
TOOTH/TEETH: UR1 RESTORATIVE INDICATION: Inadequate ferrule for definitive crown post-RCT and core build-up. Mesial fracture extending subgingivally. Restorative margin would currently violate biological width. PRE-OP RESTORATIVE PLAN: PFM crown UR1 planned. Currently impossible — restoration margin would be <2mm from bone, no ferrule on mesial. Post crown lengthening, plan: re-prep + crown at 12 weeks. BIOLOGICAL WIDTH ASSESSMENT: Probed to bone under LA — current bone crest 1mm apical to existing fracture line on mesial. Target: bone crest 3mm apical to intended new margin = need 2mm of ostectomy mesial. PRE-OP RADIOGRAPH: PA UR1 — bone level visible, root length adequate (15mm), post-procedure crown:root ratio will remain acceptable (~1:1.3). CONSENT (Montgomery): Risks discussed in detail — post-op pain/swelling (manageable), gingival recession on UR1 and adjacent UR2 — anterior aesthetic zone so recession will be visible, root sensitivity, root exposure on mesial, longer crown appearance compared to UL1 (some asymmetry expected), need for crown after 12-week healing, possibility of poor healing requiring extraction. Benefit: enables crown restoration that would otherwise fail. Alternative: orthodontic extrusion (6+ months, complex), extraction + immediate implant (more complex, longer Tx). Patient understands aesthetic implications and consents in writing. LA: Articaine 4% w/ adrenaline 1:100,000, 2ml — buccal infiltration + nasopalatine for palatal anaesthesia. Profound. SURGICAL PROCEDURE: - Incision: Apically positioned flap — sulcular incision UR2-UL1, relieving incision distal to UR2 and distal to UL1 - Flap: Full-thickness mucoperiosteal, both buccal and palatal - Reflection: Periosteal elevator, conservative, atraumatic - Ostectomy: Round bur (#4) water-cooled — 2mm of mesial bone removed UR1 + small adjustments on UR2 mesial and UL1 distal for contour - Osteoplasty: Reshaping of buccal bone contour for natural soft tissue scallop - Achieved: 3mm healthy periodontium confirmed between new bone crest and intended new restoration margin — measured with periodontal probe - Smoothing: Bone file final smoothing SUTURES: Vicryl 5-0, 5 sutures — 2 along UR2-UL1 sulcular, 1 each relieving incision, 1 papilla POST-OP RADIOGRAPH: Not taken — clinical bone level adequate. POST-OP INSTRUCTIONS (verbal + written): Avoid mechanical trauma to surgical site. CHX 0.2% mouthwash twice daily from day 2 (rinse only, no brushing of surgical site for 7 days). Soft diet 1 week. Analgesia — ibuprofen 400mg + paracetamol 1g PRN. Avoid smoking. Contact if bleeding, severe swelling, suture loss. PRESCRIPTIONS: Ibuprofen + paracetamol PRN. CHX 0.2% mouthwash. No antibiotic (immunocompetent, no contamination, modest tissue loss). REVIEW: Suture removal at 7 days. CROWN PREP NOT TO PROCEED FOR MINIMUM 12 WEEKS to allow soft tissue and bone remodelling stabilisation. Re-assessment of biological width and gingival margin position at 8 weeks. Crown prep booked at 12-week mark.
Compliance: the medico-legal angle
- BSP/EFP UK Clinical Practice Guidelines — periodontal surgical documentation.
- CGDent Standards in Dentistry — clinical records for surgical procedures.
- Montgomery — aesthetic consequences (recession, longer crowns) are material risks the patient needs to know.
- GDC Principle 4 — operative records sufficient for the restorative dentist (if different from surgeon) to plan crown prep timing.
Common documentation mistakes
- Proceeding to crown prep before 8-12 weeks healing — tissues haven't stabilised, margins shift, recession may continue.
- No restorative rationale documented — surgical procedure looks unjustified in isolation.
- No biological width measurement — leaves the surgical decision undocumented.
- No aesthetic consequences discussion for anterior zone — Montgomery breach if patient later complains about gummy smile becoming "too toothy".
- Inadequate bone removal — biological width violated, restoration fails or causes chronic inflammation.
Sources
- GDC Standards for the Dental Team, Principle 4: Maintain and protect patients’ information (accessed 18 October 2026)
- CGDent: Standards in Dentistry (accessed 18 October 2026)
- Montgomery v Lanarkshire Health Board (UK Supreme Court, 2015, UKSC 11) (accessed 18 October 2026)
Frequently asked questions
What's biological width and why does it matter?
Biological width is the soft tissue dimension above the alveolar bone crest — typically 2-3mm comprising junctional epithelium + connective tissue attachment. Restorations placed within this zone cause chronic inflammation, bone loss, and recession. The 3mm rule: ensure 3mm of healthy periodontium between bone crest and restoration margin. Crown lengthening restores this dimension when violated.
Why 8-12 weeks healing before crown prep?
Soft tissues continue to remodel after surgery — gingival margin position can shift 1-2mm during the first 8-12 weeks. Prepping a crown too early means the margin you create will not match where the tissue settles. Wait for stability. BSP/EFP guidance confirms.
Crown lengthening or extraction + implant?
Crown lengthening preserves the natural tooth — better long-term option if remaining structure supports a crown. Extraction + implant if: insufficient root length, poor crown:root ratio post-lengthening, ferrule still inadequate after surgery, aesthetic compromise too great. Discuss both with the patient and document the rationale.
How much recession should I expect?
Aesthetic zone: typically 1-3mm of gingival margin migration apically over 12 weeks. Patients must be warned — "your tooth will appear longer." Posterior teeth: usually well-tolerated. Anterior crown lengthening always carries aesthetic discussion in consent.
Do I need to remove bone or just gum?
Depends. If supragingival tooth structure is the only issue and biological width is intact: gingivectomy (soft tissue only). If the bone crest is too coronal and biological width is violated: ostectomy (bone removal) + apically positioned flap. Probing to bone under LA reveals which is needed.
Should I refer to a periodontist?
Within scope for GDPs comfortable with periodontal surgery. Refer if: aesthetic anterior cases requiring precision, multiple-tooth crown lengthening, when surgical complexity exceeds your experience. Document the decision.
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Nosht
Published by Nosht Limited
Nosht Limited makes structured clinical note templates for UK dental professionals. Articles refer to guidance from the GDC, CGDent, BSP, SDCEP and NICE. Check the current version of a source before relying on it.