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Seongmo Dental Clinic · Seongbuk-gu, Seoul

Dentsply Sirona SpeedFire

Sungshin Univ. Same-Visit Crown Dentistry —
The Secret Behind SpeedFire's 30-Minute Sintering

Combined Sintering & Glazing Ultra-Fast Furnace | About 30 Minutes per Single Restoration

Seongmo Dental Clinic, a specialist practice founded in 1998 near Exit 2 of Sungshin Women's University Station in Seongbuk-gu, Seoul, has a Dentsply Sirona SpeedFire ultra-fast sintering furnace.SpeedFire is a chairside sintering device that handles both sintering and glazing of ceramic restorations in one unit, reportedly able to sinter a single ceramic restoration in about 30 minutes. This lets Seongmo Dental Clinic run a same-visit restoration system that comes close to finishing in one sitting, rather than "scan in the morning, seat in the evening."

Seongmo Dental Clinic zirconia sintering equipment SpeedFire overview
Key Differentiators — Sintering and glazing combined in one unit / About 30 minutes per single restoration (vs. large-batch sintering furnaces) / Temporary crown wear time cut to virtually none / Integrated with PrimeMill for a complete in-house digital prosthetic workflow

Sungshin Univ. dental SpeedFire — what is it?

SpeedFire is Dentsply Sirona's ultra-fast chairside sintering device that processes both sintering and glazing of ceramic restorations in one unit.

In a same-visit inlay/crown system, the final two steps that determine speed are exactly sintering and glazing.

Sintering
The process of firing a milled ceramic block at high temperature to develop its final hard strength
Glazing
The finishing process that applies a glaze to the prosthetic surface for a smooth shine and natural texture

These two steps used to be split across two separate machines. SpeedFire handles them seamlessly in one unit, finishing sintering in about 30 minutes for a single restoration.

Sungshin Univ. "same-day crown" vs. "same-visit crown" — what's the difference?

Many dental clinics advertise a "same-day crown," but how they actually work can differ significantly.

COMPARISONTypical Same-Day CrownSpeedFire Same-Visit Crown (Seongmo Dental Clinic)
Sintering MethodLarge batch furnace (multiple at once)Chairside ultra-fast furnace
Sintering/GlazingRequires 2 separate machinesCombined in one unit
Single Restoration SinteringSeveral hoursAbout 30 minutes
Visit FlowImpression in the morning, return in the eveningCan finish in a single visit
Temporary Crown PeriodWorn several hours the same dayCut to virtually none

In short, "same-day" uses a whole day, while "same-visit" finishes in about 30 minutes. The amount of time you actually spend is fundamentally different.

Seongmo Dental Clinic's Full Same-Visit Inlay/Crown Process

  1. 13D Intraoral Scan — Digitally scans the mouth with a Primescan scanner (no powder or rubber impression needed)
  2. 2Restoration Design — Designs the restoration shape on computer
  3. 3Milling — Mills a ceramic block with PrimeMill (about 5 minutes for zirconia)
  4. 4Sintering + Glazing — Sinters and finishes a single restoration with SpeedFire in about 30 minutes
  5. 5Bonding & Seating — Final bonding after shade verification with VITA Easyshade® V

Ultimately, the speed of a same-visit inlay or crown isn't decided by the scanner — it's decided by the sintering/glazing equipment.

Why Seongmo Dental Clinic Introduced SpeedFire

Practice runs fine without this equipment too. Still, we introduced it to reduce the very structure of leaving a tooth exposed while you wait.

We once had a patient who spent several days wearing only a temporary crown after their impression was taken, and had their temporary come loose while on a business trip — unable to eat properly and in real discomfort. During the temporary-crown period, the tooth is exposed, carrying risks of it coming off, contamination, and sensitivity.

A device's speed is just a tool — our principle is to use that speed for patient convenience, not overtreatment.Seongmo Dental Clinic doesn't cover a perfectly healthy tooth with a crown just because we can make one quickly — if an inlay is enough, we use an inlay, and if the natural tooth can be saved, we consider that direction first.

Sungshin Univ. Same-Visit Crown FAQ

Q. Is a same-visit crown possible for every tooth?
It can be applied to most single inlay/crown cases, but depending on gum condition, extent of tooth damage, and occlusal factors, a conventional restoration may sometimes be more suitable. It needs to be judged after diagnosis.
Q. Is a crown made in 30 minutes strong and precise enough?
A short sintering time is just a difference in how fast the equipment processes — the ceramic's final strength is reportedly achieved once the specified sintering conditions are met. Digital design and milling actually show less precision variance than manual methods.
Q. If I get a same-visit crown, do I still need a temporary?
If the final restoration is completed the same day, the temporary-crown stage can be skipped, which can help reduce the risk of a temporary coming loose or the tooth becoming contaminated in the meantime.
Q. What should I look for when choosing a same-visit crown dentist in Seongbuk-gu?
We recommend checking four things: ① Does the clinic process scanning, design, milling, and sintering continuously in-house? ② Does it have a chairside furnace that finishes sintering and glazing quickly? ③ Does it have diagnostic equipment that matches tooth shade with objective measurements? ④ Is the care conservation-focused, avoiding removing more tooth structure than necessary?

Related Treatment Info

↗ Korean Dental Association ↗ Health Insurance Review & Assessment Service
Results of any dental treatment can vary with individual oral condition. The type of restoration, material, and treatment method should be decided after a precise diagnosis and thorough consultation with your provider.
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