Do adults regret having asymptomatic wisdom teeth removed prophylactically — or regret keeping them and watching?
If you act
Having asymptomatic wisdom teeth removed prophylactically
36%
If you don't
Keeping asymptomatic wisdom teeth and watching
64%
Percentage who later regret each choice. Bars and full ledger render below.
Health
Last reviewed 2026-07-14
Evidence quality 4.25/5
Eight-dimension review score against the
quality rubric
. Each dimension scored 1–5.
D1 Source verification
5/5
D2 Source authority & independence
4/5
D3 Regret-rate accuracy
3/5
D4 Source comparability
5/5
D5 Gilovich pattern
5/5
D6 Prose quality
4/5
D7 Caveat completeness
4/5
D8 Sample quality
4/5
Average4.25/5
Proxy data — no direct regret survey exists for this decision. Rates are derived from satisfaction scores and access-barrier data rather than questions that directly asked about regret. See caveats below.
Action regret
Having asymptomatic wisdom teeth removed prophylactically
36%
~36% of prophylactically removed wisdom teeth would not have needed removal within 18 years — an operation (with its ~4% complication rate) done on a tooth that stayed trouble-free (unnecessary-surgery proxy)
Young adults with asymptomatic third molars; complement of the 18-year cumulative extraction rate
over an 18-year horizon
Inaction regret
Keeping asymptomatic wisdom teeth and watching
64%
~64% of retained asymptomatic wisdom teeth are extracted anyway within 18 years — watching usually defers the operation rather than avoiding it (deferred-extraction proxy)
Young adults retaining asymptomatic third molars; rate anchored to Bouloux 2015's pooled seven-study cumulative figure (each study ≥50 subjects), not to any single cohort
cumulative at 18 years of follow-up
% who regret this choice
Having asymptomatic wisdom teeth removed prophylacticallyKeeping asymptomatic wisdom teeth and watching
36%64%
inaction dominates — Inaction dominates — most regret not acting.
Related decisions
Semantically similar decisions — same territory, different trade-offs.
Keeping asymptomatic wisdom teeth and watching is the choice that most often fails to close the matter: across seven longitudinal studies, about 64% of retained symptom-free third molars are extracted within 18 years, at a steady rate of roughly 3% per year (Bouloux et al., 2015). A same-era 18-year cohort found 73% of the teeth that were unerupted at baseline came out before follow-up ended (Ventä et al., 2004), though that study’s follow-up window overlaps the period Bouloux pooled, so the two are better read as consistent than as independent. The reasons are ordinary: caries, gum disease, later inflammation, and part of that 64% is care that was simply timed to need rather than regretted. The practical upshot is that watching usually defers the operation rather than avoiding it, and the extraction then falls later in life rather than in early adulthood.
Removing the tooth up front does not escape regret either; it relocates it. Because prophylactic removal is itself an extraction, its regret falls on the mirror-image group: the roughly 36% of removed teeth that would have stayed trouble-free over the same 18 years, operated on for nothing. Every one of those extractions carries about a 4.2% chance of a complication, overwhelmingly dry socket, with infection and jaw-joint symptoms far behind (Chen et al., 2021). The Cochrane review found only two studies and 493 people bearing on whether disease-free impacted wisdom teeth should come out at all, and rated the evidence very low certainty (Ghaeminia et al., 2020). NICE went further in 2000, concluding that prophylactic removal of pathology-free impacted third molars should be discontinued in the NHS — a position US practice frequently sets aside.
The two figures are close on purpose, because the decision is close. Both come from the same fact: about two-thirds of these teeth eventually need removal and about a third do not. Watch, and you carry a 64% chance of the surgery you were trying to avoid; remove, and you carry a 36% chance the surgery was needless. Severity runs opposite to frequency — the deferred operation is common but often appropriate, while the unnecessary one is rarer but incurred up front against a benefit the evidence cannot show. What survives the symmetry is a modest lean, consistent with Gilovich and Medvec’s temporal asymmetry: over a long horizon, more people end up back in the chair than are spared it. Whether that reads as regret or as a reasonable bet that mostly postponed a minor operation is the judgement the evidence declines to settle.
Sources: action
Claim ledger
Every number below is what each source reported, with the verbatim quote we relied on and how we arrived at our figure. Click any link to verify directly.
[1]Journal of Oral and Maxillofacial Surgery (Bouloux et al. 2015) — What is the risk of future extraction of asymptomatic third molars? A systematic review
Peer-reviewed
Seven longitudinal studies, follow-up 1 to 18 years: cumulative extraction incidence rose from 5% at 1 year to 64% at 18 years — leaving ~36% of retained asymptomatic third molars still not extracted at 18 years
Excerpt
“"The mean incidence rate for M3 extraction of previously asymptomatic M3s was 3.0% annually (range 1 to 9%). The cumulative incidence rate for M3 removal ranged from 5% at 1 year to 64% at 18 years. ... The cumulative risk of M3 extraction for young adults with asymptomatic M3s is sufficiently high to warrant its consideration when reviewing the risks and benefits of M3 retention as a management strategy."
”
Source data from
2015-05-01
Accessed
2026-07-14
Calculation
The action-side proxy is the mirror image of the inaction figure. If 64% of retained asymptomatic third molars are extracted by 18 years, then roughly 36% are not — those teeth would have stayed trouble-free over that horizon, so removing them prophylactically was, in hindsight, an operation for nothing. We anchor the action proxy at 0.36, the complement of Bouloux's 64% cumulative extraction rate. This is an "unnecessary-surgery" proxy, not a regret survey, and 0.36 is an upper bound: over a full lifetime the never-needed fraction shrinks, because some of that 36% would eventually have required extraction after 18 years. Using the same dataset for both sides keeps the two proxies on one axis.
[2]National Institute for Health and Care Excellence (NICE), UK — Guidance on the extraction of wisdom teeth (Technology appraisal guidance TA1)
Government report
National guidance: the practice of prophylactic removal of pathology-free impacted third molars should be discontinued in the NHS; surgery limited to teeth with evidence of pathology
Excerpt
“"The practice of prophylactic removal of pathology-free impacted third molars should be discontinued in the NHS. ... Surgical removal of impacted third molars should be limited to patients with evidence of pathology. ... A first episode of pericoronitis, unless particularly severe, should not be considered an indication for surgery."
”
Source data from
2000-03-27
Accessed
2026-07-14
Calculation
The policy basis for treating prophylactic removal as regret-prone. A national appraisal body concluded that routinely removing symptom-free impacted third molars should stop, because the benefit is unproven while every extraction carries surgical risk. US practice frequently diverges, which is why this decision is genuinely contested. Establishes the frame; not a rate.
[3]PLOS ONE (Chen, Chi & Lee 2021) — Revisit incidence of complications after impacted mandibular third molar extraction: A nationwide population-based cohort study↗ 1 other entry
Peer-reviewed
“"The overall cumulative complication rate for iLM3 extraction was 4.2%. ... The incidence of DS was the highest (3.66%) ... the incidence of SSI was very low (0.17%) ... about 4 out of 1000 patients had temporomandibular joint symptoms and sought treatment (0.41%)."
”
Source data from
2021-02-22
Accessed
2026-07-14
Calculation
Quantifies what an unnecessary extraction costs. Every prophylactic removal — including the ~36% that were never needed — runs about a 4.2% chance of a complication, dry socket being the commonest and generally self-limiting. Permanent nerve injury is rarer, a few per thousand. Note the population: this cohort is all impacted lower-molar extractions, mixed symptomatic and asymptomatic, not solely prophylactic cases, so the 4.2% is a general operative-risk figure, not a rate specific to the unnecessary subset. Supplies the severity of the action harm, not its frequency.
[4]Cochrane Database of Systematic Reviews (Ghaeminia et al. 2020, CD003879) — Surgical removal versus retention for the management of asymptomatic disease-free impacted wisdom teeth
Peer-reviewed
Two included studies (one RCT with 77 adolescent participants analysed; one prospective cohort of 416 healthy males aged 24–84): only low- to very-low-certainty evidence; insufficient to determine whether asymptomatic disease-free impacted wisdom teeth should be removed or retained
Excerpt
“"This review update includes the same two studies that were identified in our previous version of the review ... We found only low- to very-low-certainty evidence of the effects of removal compared with retention ... Insufficient evidence is available to determine whether asymptomatic disease-free impacted wisdom teeth should be removed or retained."
”
Source data from
2020-05-04
Accessed
2026-07-14
Calculation
The evidentiary weight behind the action-side regret framing. The benefit a prophylactic extraction is meant to buy — preventing future disease — cannot be demonstrated: the whole randomised-plus-cohort evidence base is two studies and 493 participants, rated low to very low certainty. This is why removing a symptom-free tooth is treated as regret-prone rather than clearly protective. Establishes the strength of the evidence, not a rate.
Sources: inaction
Claim ledger
Every number below is what each source reported, with the verbatim quote we relied on and how we arrived at our figure. Click any link to verify directly.
[1]Journal of Oral and Maxillofacial Surgery (Bouloux et al. 2015) — What is the risk of future extraction of asymptomatic third molars? A systematic review
Peer-reviewed
Seven longitudinal studies, follow-up 1 to 18 years: mean extraction incidence 3.0% per year (range 1–9%); cumulative extraction incidence rose from 5% at 1 year to 64% at 18 years
Excerpt
“"The mean incidence rate for M3 extraction of previously asymptomatic M3s was 3.0% annually (range 1 to 9%). The cumulative incidence rate for M3 removal ranged from 5% at 1 year to 64% at 18 years. ... The cumulative risk of M3 extraction for young adults with asymptomatic M3s is sufficiently high to warrant its consideration when reviewing the risks and benefits of M3 retention as a management strategy."
”
Source data from
2015-05-01
Accessed
2026-07-14
Calculation
The inaction-side proxy. Retained asymptomatic third molars are extracted at about 3% per year, so the cumulative share removed climbs to 64% by 18 years. We anchor the inaction proxy at 0.64, taken directly from this figure. The regret construct: watching does not usually spare the surgery, it defers it, and the extraction then happens later in life. (Conventional oral-surgery teaching holds that later extraction in an older patient is harder, though Chen 2021 — cited below — found no age association with complications in its own cohort, so we do not lean on that claim.) This is a "needed extraction anyway" rate, not a survey asking whether people regret having waited, and part of that 64% is appropriately-timed care rather than a mistake.
[2]Journal of Oral and Maxillofacial Surgery (Ventä, Ylipaavalniemi & Turtola 2004) — Clinical outcome of third molars in adults followed during 18 years
Peer-reviewed
118 subjects followed from mean age 20 to 39: 73% of initially unerupted third molars and 64% of initially partially erupted third molars were removed during the 18-year follow-up (maxilla and mandible combined)
Excerpt
“"Most of the initially unerupted third molars were removed during the follow-up period (73%, maxilla and mandible together). ... More than half of the initially partially erupted third molars were removed during the follow-up period (64%, maxilla and mandible together)."
”
Source data from
2004-02-01
Accessed
2026-07-14
Calculation
A same-order-of-magnitude 18-year cohort: 118 adults tracked from a mean age of 20 to 39, most third molars unerupted at baseline ending up removed (roughly two-thirds to three-quarters over ~18 years). Treat this as consistency, not clean independent replication: Bouloux 2015 is a systematic review whose only 18-year datapoint plausibly draws on this same cohort, so we cannot confirm this is a wholly separate measurement of the 64%. Small sample; supports the direction of the inaction proxy, not an independent rate.
Caveats
Both numbers are proxies drawn from the same underlying fact — that roughly 64% of retained asymptomatic third molars are extracted within 18 years (Bouloux 2015; consistent with the Ventä 2004 cohort, whose 18-year window may overlap the studies Bouloux pooled) — so they sit on one axis, but neither is a regret survey. The inaction 64% is a "you needed the surgery in the end" rate; the action 36% is its complement, the share of prophylactically removed teeth that would have stayed quiet over the same horizon, an operation done for nothing. The comparison is deliberately close because the choice is close: prophylactic removal is itself a 100% extraction, so watching never does worse on the "avoid surgery" axis — it gives a ~36% chance of never needing the operation and a ~64% chance of the operation you would have had anyway, just later. That is why the delta is modest rather than lopsided, and why neither side is a clean winner. Severity runs opposite to frequency: the action harm is incurred up front, on a younger and easier-to-operate mouth, against a benefit the Cochrane review (Ghaeminia 2020 — only 493 participants across two studies, very low certainty) cannot demonstrate; the inaction harm is more common but is often just a deferral, and part of that 64% is appropriately-timed care after a tooth genuinely became diseased, not a regretted mistake. The 36% action figure is an upper bound for two reasons. First, over a lifetime more retained teeth eventually need removal, shrinking the never-needed share. Second, it borrows the retention cohort's rate, but teeth actually chosen for prophylactic removal are not a random draw — clinicians tend to remove the higher-risk anatomy (deep impaction, mesioangular angulation, tight contact with the second molar), which is likelier to cause trouble later. So the never-needed share among teeth that really get removed is probably below 36%, and this selection-into-treatment bias cuts against the action side. Chen's 4.2% complication rate is from all impacted lower-molar extractions, mixed symptomatic and asymptomatic, not solely prophylactic cases. This is a genuinely contested decision — NICE concluded in 2000 that prophylactic removal of pathology-free impacted third molars should be discontinued in the NHS, while US practice frequently removes them. Populations are Taiwanese, Finnish, and pooled international rather than US. The inaction-dominates direction is consistent with Gilovich and Medvec's temporal-asymmetry framework, but here it is narrow and turns on how one weighs a common deferral against a rarer up-front unnecessary operation.
