The patient
Early forties. Healthy. No diabetes, no bleeding issues, doesn't smoke. The two upper central incisors had been losing root structure for years after a long orthodontic history, and by the time she walked into the clinic they were mobile enough that saving them wasn't on the table. The surgeon planned to extract both and place a bone graft at the same visit, with implants at the end of the healing cycle.
Three things made the case harder than it looked on the Rx:
- High smile line. You could see the gingival margins of both centrals when she smiled. That rules out a lot of hiding tricks.
- Thin gingival biotype. Less forgiving when something presses on it. Press anyway and the papilla doesn't come back the way you want it to.
- Her job. She's in front of people every day. Taking four weeks off wasn't an option, and the dentist knew it before the first scan.
The ridge was going to change whether we did anything or not. Reviewed studies of unassisted socket healing report ridge width shrinkage in the range of 2.6–4.6 mm and height loss of 0.55–3.3 mm, and grafting reduces that number but doesn't erase it — see the JADA review of socket preservation for the measured figures. So the appliance wasn't being asked to sit on a stable foundation. It was being asked to sit on something that was moving.
What the dentist asked us to do
Two days after the surgery, the dentist called with a very specific instruction. Paraphrased, it was this:
"The patient wants something she can wear on day one. The graft can't be pressed on for four to six weeks. We need a temporary tooth after extraction that doesn't touch the site, and we need the real flipper ready for when the tissue allows it. Don't make me pick between the two."
That's not an unusual request. It's just one most Rx forms don't have a box for. The surgeon was telling us, clearly, that one appliance couldn't do both jobs — appear on day one and chew on day thirty. He wanted us to split the problem, not to compromise it.
A few specifics he gave us before we started:
- No pressure on the grafted site. None. Not light contact, not "just resting". The intaglio had to be clear.
- Retention from the adjacent teeth only. The ridge was off-limits as a support surface.
- The patient could wear something immediately, but only for appearance. Not for lunch.
- The second appliance could come later, built to the ridge after it settled — but it had to be ready in time for the review visit at the four-week mark.
- Shade: dedicated. Three zones. Cervical, body, incisal — recorded separately. He didn't want a single number.
The healing schedule he was working against is the normal one. Clot stabilises in the first day. Swelling peaks around days two to three and the gum surface closes over the first couple of weeks. Woven bone starts to fill the socket around week six. He was asking for appliances that respected those steps, not fought them.
How we actually built it
We'd love to say there's a magic design that solves this with one piece of acrylic. There isn't. The surgeon was right — this is a two-appliance case, and splitting it was the only way to keep both jobs honest.
Appliance #1 — the day-zero clear shell with a bonded pontic
Thought process first. The patient needed something between the moment the sutures were in and the day the graft would tolerate a load. That window is about four to six weeks in a case like this. Flexible denture resin was out, because any flange that extended onto the ridge would do exactly what the surgeon said not to do. A resin-bonded fixed temporary wasn't on the table either — the adjacent laterals had their own history and we weren't going to prep them for a four-week job.
So we went to a clear thermoformed shell with two bonded tooth-coloured pontics, retention drawn entirely from the laterals and the premolars. The design file was built off her pre-extraction intraoral scan — the dentist took it the week before surgery, with the centrals still in place, which is non-negotiable. Once the teeth are out, the gingival zenith, the midline, the proximal contacts and the arch form all shift, and no post-extraction record brings them back the way they were.
The specific decisions on this one:
- Intaglio relief over the sockets, generous. We built in enough space that even if the ridge swelled through week three the pontics still wouldn't touch down. The clinician verified it at insertion with a pressure-indicating paste, looking for two things: no contact on the grafted area, and no blanching under the pontics.
- Pontic form: shaped, not flat. A sanitary pontic looks like a sanitary pontic in a high smile. We shaped the labial contour and cervical third so it reads as a tooth from a conversational distance. The underside stayed off the tissue — the shape work was all on what the eye sees.
- Cervical warmth built in, not stained on. On a thin provisional the material drifts lighter than a definitive crown. We compensated in the shade, not with a surface stain that reads as a stain the moment someone looks closely. The three-zone shade the dentist recorded was the whole point of recording it that way.
- No clasps. Clasps in a wide smile are the first thing a viewer sees. Retention came from the embrasures and from the adaptation of the shell across the laterals and premolars. That gave us less raw retention than a wire would have, which was a trade-off we made deliberately — if an appliance has to be looser to be invisible, looser wins.
She wore this one from day one. Not for meals, and the Rx said so in words rather than in a category name. "Esthetic interim, not for function, remove before eating" — written on the work order, written on the patient card.
Appliance #2 — the acrylic flipper, delivered in week four
The functional appliance came later. We built it on a scan the dentist took at the three-and-a-half-week review, when the suture line had closed and the ridge had done most of its early collapse. By then ridge dimensions had already changed compared to the pre-op scan — this is normal, and it's exactly why building the flipper on day-zero geometry sets you up for a reline in week five.
For this one:
- Thicker base than it needs to be at delivery. We built in material for at least one reline. The ridge keeps remodelling for months, and a base that's elegant at delivery is a base that perforates on the first adjustment.
- Borders placed with a small tolerance, not right on the junction of attached and loose tissue. That junction moves. A border placed on it ulcerates within a week.
- Occlusal contacts kept light. The clinician asked for an appliance that could chew soft food, not one that competed with her real teeth under load.
- Removal, not just insertion. We tuned the retention so she could take it out at night without pain. An appliance that hurts to remove is an appliance that doesn't get removed, and that's how patients end up wearing partials around the clock when the whole point of the design was nightly rest for the tissue.
What we needed to make any of this work
Four files, one note, before we started cutting:
- Pre-extraction intraoral scan of both arches, with the centrals still in place.
- A written statement of which teeth were coming out and where the graft would sit, including the apical extent.
- Opposing arch and bite registration.
- Shade in three zones — cervical, body, incisal — not one number.
And the note: the intended wearing protocol. "Esthetic interim" means one design. "Flipper for daily wear" means another. Writing it in words on the work order is the difference between us designing for the right job and us designing for a job the Rx didn't say out loud.
The design goal for the finished pair
We don't promise an outcome in a patient's mouth. That's not ours to promise, and we won't pretend otherwise. What we design toward on a case like this is a specific set of properties, and we can tell you what they were:
For the day-zero shell: invisible at conversational distance in a high smile, zero contact on the grafted sockets, retention stable enough that it doesn't drop out during speech, and removable without a fight. Not a chewing appliance. Nothing on it loaded any part of the healing site.
For the flipper: stable retention from the ridge once the ridge was ready to carry it, a base thick enough to be relieved and relined through the implant integration period, borders that tolerate continued remodelling, and an occlusal scheme that lets her eat soft foods on both sides. Not a definitive restoration. A piece built to carry her from the week-four review to the day the implants were ready for their final crowns.
The two together bought her the thing she walked in asking for: a temporary tooth after extraction she could wear from day one, and a working flipper from week four onward, with the graft kept out of harm's way in between. Whether an interim is appropriate on a given grafted ridge is always a clinical call made by the surgeon — we build to that call, we don't make it. The ACP's position statement on diagnostic imaging is worth reading if you want the longer version of where that boundary sits.
After try-in: what the patient and the dentist told us
Try-in happened at two separate visits — the clear shell on day one, the flipper around week four — so the feedback came in two waves. Both were useful, and the pattern was consistent with what we hear on this kind of temporary tooth after extraction case.
From the patient, on the day-one shell. The first thing we hear is almost never about the teeth. It's about whether she felt it. On a thin thermoformed shell with no palatal flange and no clasps, the honest answer is yes, there's something there, but it's a shape rather than a bulk. She could speak straight away. Sibilants were the only part she had to settle into, and it took a few minutes rather than a few days. She could smile without thinking about it — which, on a wide-smile patient after a double central extraction, is the whole point. The two instructions she repeated back to us correctly were take it out before meals and don't try to chew with it. The one thing she asked for that we had to say no to was wearing it overnight on the first few nights — the tissue needed the rest window more than she needed the appearance at breakfast.
From the patient, on the flipper around week four. This is the appliance that lives with her from week four onward, so the feedback is less about first impressions and more about day-to-day. The useful signals are the ones about function rather than looks. Can she eat on both sides. Can she take it out at night without hurting herself. Does the retention hold during a sneeze or a hard laugh. Does the base rub a sore spot after two or three hours. These are the questions we ask back, and the answers decide whether the next appointment is a quick polish or a reline.
From the dentist, after insertion. The clinician's feedback is more technical and we actually want it in that form. The checks he ran at insertion were the ones that matter: a pressure-indicating paste on the shell to look for contact over the grafted sockets, a rock test, a quick speech sample, and a look at the gingival margin after she'd worn it for ten minutes. The notes we got back were about where to add relief, not whether the design was right. On the flipper at the week-four handoff, the review was about border extension and occlusal contact distribution — small corrections, not rework.
What the dentist said about the workflow. Two things come up more than anything else when the handoff goes well. The first is that the written wearing protocol on the Rx — "esthetic interim, not for function, remove before eating" versus "flipper for daily wear, nightly removal" — saves a conversation with the patient at try-in. The second is that having the second appliance ready before the week-four review means the review visit does its real job, which is deciding whether the ridge is ready, rather than being half consumed by waiting for a lab turnaround.
Fair warning on this section. The paragraphs above are a type-level summary of the feedback a case like this generates when it goes to plan. They aren't a verbatim transcript from one specific patient and one specific dentist on one specific date, and we're not going to dress them up as one. If you want the detail at that level on your own case, send us the scan and the Rx and we'll walk you through what the equivalent review conversation usually sounds like for your setup.
About the lab behind this write-up
Istar Dental Lab has been running as a direct manufacturing facility since 2012, out of Shenzhen and Huizhou. Full in-house workflow, no outsourcing — CAD, milling, implant, ceramic and metal, removable dentures, and QC all live under one roof, with around 460 technicians across the departments. Our removable denture department alone handles roughly 4,000 to 6,500 cases a month depending on the season, which is the group that owns cases like the one above. We're happy to take a scan, a photo set, and a conversation. We're also happy to tell you when a case isn't a lab problem.
If you've got a temporary tooth after extraction case on the schedule — single tooth, two teeth, grafted, high smile, awkward timing — send us the files. We'll tell you what we can build, what we can't, and what we'll need from you to do either.
Sources cited above
- Current Knowledge on the Healing of the Extraction Socket — PMC narrative review — socket healing stages and the day-2–3 swelling peak.
- Socket preservation of implant sites — JADA — the 2.6–4.6 mm width / 0.55–3.3 mm height ridge-change figures.
- Position Statement: Diagnostic Imaging in Implant Dentistry — American College of Prosthodontists — scope of records and clinical decision boundaries for implant planning.