THE CASE FILES CASE 010 — MAXILLARY MOLAR

The ache behind the eye.

Throbbing tooth pain that peaked every morning, swelling around the eye, antibiotics that did nothing — and a 3D scan whose ragged edges pointed far beyond the tooth.

INTERESTING ✦✦ CHALLENGING PHASED, MULTIPLE VISITS ★ FEATURED
Periapical radiograph appearing nearly normal despite underlying pathology
CBCT showing irregular bone borders and cortical plate involvement
BEFORE AFTER
◂▸
The ache behind the eye
CASE 010 — INTERESTING · TORRANCE
THE PLATES — FULL SEQUENCE
CBCT — irregular bone borders with cortical plate involvement CBCT cross-section of the affected maxillary molar CBCT cross-section showing the endo-perio defect CBCT — irregular lucent lesion with ill-defined borders Periapical radiograph appearing deceptively normal
THE CASE

One tooth's journey, in four beats.

01
THE PROBLEM

Pain that didn't behave.

A 45-year-old Manhattan Beach patient: morning-peaking throbbing in an upper molar, swelling around the eye, and a completed course of antibiotics that changed nothing.

02
THE PICTURE

Edges that shouldn't be ragged.

The CBCT showed canal calcification and furcation involvement — but also irregular, ill-defined bone borders eroding the cortical plate. Infections and cysts don't usually look like that.

03
THE WORK

A test instead of a guess.

Rather than extract on suspicion, the tooth was opened and medicated with calcium hydroxide — a deliberate diagnostic test. Healing would mean infection; non-healing would justify biopsy.

04
THE RETURN

The answer in time.

The tooth didn't heal. Extraction with biopsy confirmed a rare maxillary sinus carcinoma — under 0.2% of sinus pathology — and the patient entered oncology care with a confirmed diagnosis, months earlier than an incidental discovery.

THE PROTOCOL
  • ✦  History: morning-dominant throbbing pain, eye swelling, antibiotics without effect
  • ✦  Exam: 6+ mm distal probing pocket; findings not matching routine infection
  • ✦  CBCT: canal calcification, furcation involvement, ragged cortical plate erosion
  • ✦  Differential: endo-perio lesion / vertical root fracture / possible sinus malignancy
  • ✦  Phased test: tooth opened, calcium hydroxide placed, healing monitored
  • ✦  Non-healing → extraction with biopsy → histological diagnosis → prompt oncology referral
WHAT THIS CASE TEACHES

What this case teaches.

RED FLAG Ragged borders change everything Smooth, well-defined radiolucencies suggest infection or cysts. Ill-defined borders with cortical erosion demand a malignancy workup — rare, but never ignorable.
METHOD Treatment as a diagnostic test Medicating first turned uncertainty into information: a healing tooth means infection; a non-healing one justifies biopsy. No step was wasted.
WHOLE-HEALTH A tooth is part of a body Morning-peaking pain and eye swelling pointed beyond the tooth. The 2D X-ray looked nearly normal — only the CBCT told the truth.
CLINICAL DISCLAIMER: PRESENTED FOR EDUCATIONAL PURPOSES WITH PATIENT CONSENT. IDENTIFYING INFORMATION REMOVED PER HIPAA. INDIVIDUAL RESULTS VARY. ALL IMAGES REPRESENT ACTUAL PATIENT TREATMENT.
THE GALLERY CONTINUES

More from the collection.

The procedure behind this case: CBCT 3D Imaging →
MORE FROM DIAGNOSIS & CONSULTATION
  • The one that got missed — A year of bite pain after a root canal. Monthly adjustments. Two providers, no answers — until a 45-minute consultation and one 3D scan found the canal everyone else had missed.
  • The root canal we didn't do — Referred for a root canal after two weeks of ear ache and gum irritation — but every test said the teeth were healthy. The real culprit: a jaw muscle. Total treatment: massage.
  • The hour that changes the answer — Chewing pain in the upper right, arriving with holiday-season sinus congestion. Tooth, sinus, or both? Thirty minutes and one 3D scan sorted what months of guessing could not.
SEE ALL DIAGNOSIS & CONSULTATION CASES →
← PREVIOUS · CASE 009 — MANDIBULAR MOLAR Sealing the wrong turn A drill searching for a canal went 2mm past where it should have — straight into the furcation. Three hours later the hole was sealed, and three years later the tooth is still here. NEXT · CASE 011 — LOWER RIGHT QUADRANT → The root canal we didn't do Referred for a root canal after two weeks of ear ache and gum irritation — but every test said the teeth were healthy. The real culprit: a jaw muscle. Total treatment: massage.
VIEW ALL 15 CASES

Symptoms that reach beyond the tooth?

Eye swelling, sinus pressure, pain that won't follow the rules — that's a whole-picture workup, not a quick extraction.

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