Since you were last here.

The AAE's two-page form scores a root canal case on patient, diagnostic and treatment, and additional considerations into low, moderate or high difficulty: one or two moderate factors make a case moderate; three or more, or any one high factor, make it high. The current PDF is dated 2022 and ships as the AAE EndoCase app.

The ASA's six-class physical status system runs from ASA I, a normal healthy patient, to ASA VI, a declared brain-dead organ donor, with E added for emergencies. The ASA now publishes the statement in Anesthesiology Open (December 12, 2025); the ADA's October 2025 sedation guidelines excerpt the 2020 version and use ASA I-II versus III-IV to decide who needs a physician consult before sedation.

Tokuyama's Omnichroma reached US dentists in February 2019 as a composite that claims to match all 16 VITA classical shades with one shade, using uniform 260 nm spherical fillers to generate color instead of pigment. Its own instructions name the cases where the match may fail, and two 2025 systematic reviews disagree about how well it matches.

HRSA's dental Health Professional Shortage Area data, as of June 30, 2026: 7,951 designated dental HPSAs covering 76,757,184 people, only 33.60% of the dental need met, and 12,760 more dentists needed to lift every designation. Two free tools look up any address or county in about a minute.

Glidewell released BruxZir Solid Zirconia in 2009 as a full-contour, all-ceramic alternative to PFM and cast gold, billed as more brawn than beauty. Its own 2018 announcement put the count past 14 million restorations; the current page says over 39 million. The independent 10-year Clinicians Report study recorded 100% clinical survival for the 2009 formulation.

HHS proposed the first update to the HIPAA Security Rule since 2013 on January 6, 2025: asset inventories, encryption of all ePHI, multifactor authentication, 72-hour restoration, yearly audits and penetration tests. Comments closed March 7, 2025. No final rule as of September 13, 2026; the 2013 rule still governs.

First line for an immunocompetent adult: amoxicillin 500 mg three times a day or penicillin VK 500 mg four times a day, 3 to 7 days. Penicillin allergy: cephalexin 500 mg four times a day, azithromycin 500 mg then 250 mg, or clindamycin 300 mg four times a day. No response: add metronidazole 500 mg three times a day.

The epinephrine and levonordefrin content printed on the dental cartridge labels, the cardiovascular warnings and drug interactions those labels name, and the source of the 0.04 mg epinephrine limit, which is the ADA's own topic page and not any FDA label.

The federal numbers everyone quotes live in 10 CFR 20, which is the NRC's rule for radioactive material and does not reach an x-ray tube. Dental x-ray machines are regulated by the states, which have largely copied the same limits word for word. NCRP adds a lifetime cap the rules do not have.

A 47-trial Cochrane review (2022) finds single-visit root canal treatment heals as well as multi-visit, with a bit more first-week pain.

The AAPD best practice, adopted in 1990 and revised in 2022 and 2026, reserves prophylaxis for the highest-risk cardiac conditions on the AHA's 2021 list and for selected immunocompromised patients, before procedures that manipulate gingiva or the periapical region or perforate mucosa. Amoxicillin 50 mg/kg (2 g adult) 30 to 60 minutes before; clindamycin is out; joints and shunts are no longer covered.

In July 2014 the FDA cleared 510(k) K102973, Silver Dental Arrest, 38% silver diamine fluoride, as a cavity varnish for dental hypersensitivity in adults over 21. Sold as Advantage Arrest since 2015, it is what US dentists use for caries arrest, an off-label use per the ADA; the 2016 Breakthrough Therapy designation left the label alone.

A twelve-week, six-sprint plan for turning around an underperforming practice, as a PDF plan and a phase-by-phase spreadsheet tracker.

The clinical guidelines that changed what a general dentist does, dated and linked to their source.

The 12-week playbook I'd run to fix a struggling practice: diagnose first, then attack recall, phones, diagnosis, acceptance and completion in two-week sprints.

The No Surprises Act's balance-billing protections cover emergency rooms, in-network hospitals and surgery centers, and air ambulances, not a dental office. What does reach a dental office is the good faith estimate: since January 1, 2022, any uninsured or self-pay patient who schedules three or more business days out, or who asks, gets a written estimate on a one- or three-business-day clock.

Clinical contact surfaces are barrier-protected or cleaned and disinfected between patients with an EPA-registered hospital disinfectant: low level ordinarily, intermediate level with a tuberculocidal claim when blood is visible. EPA says the surface must stay visibly wet for the whole contact time, and that is the step offices skip.

The patient letter for going out of network, the front-desk script, and the 90-day timeline for training, mailing, talking to patients and tracking after.

The healthy-adult maximums as the FDA-approved dental cartridge labels print them: lidocaine below 500 mg and 7 mg/kg, articaine 7 mg/kg, mepivacaine 400 mg and 3 mg/lb, prilocaine 600 mg or 8 cartridges, bupivacaine 90 mg. With mg per cartridge and the cartridge count each maximum works out to.

FinCEN's final rule, effective August 14, 2026, makes permanent the March 2025 exemption of every U.S.-formed company from Corporate Transparency Act reporting. A dental PLLC, PC or LLC formed in a U.S. state files nothing. Only entities formed abroad and registered in a state still report, and not for U.S. owners.

The 90-day plan for leaving a PPO: team training at T-90, the patient letter at T-60, the conversations and scripts at T-30, and what to track after day one.

A phase-by-phase plan for the first 90 days after buying a dental practice: the transition, the team, the patients, and the numbers to watch weekly.

On September 24, 2024 Judge Edward Chen found that fluoridation at 0.7 mg/L poses an unreasonable risk of reduced IQ in children under TSCA and ordered EPA to begin rulemaking, while saying the finding does not conclude with certainty that fluoridated water is injurious. On May 21, 2026 the Ninth Circuit vacated that decision and remanded. EPA is reviewing fluoride under the Safe Drinking Water Act instead.

On May 19, 2021 the FDA cleared Overjet Dental Assist (K210187), software that aids dental professionals in measuring mesial and distal bone levels on bitewing and periapical radiographs in patients 22 and older. It is an aid, not a diagnosis: the indications say it must not replace a full patient evaluation.

M.G.L. c. 176X, enacted by Massachusetts voters as Question 2 on November 8, 2022, makes insured stand-alone dental carriers hit an 83% dental loss ratio or refund the difference. Carriers averaged 85.2% in 2025, and on August 6, 2026 the Division of Insurance announced the first dental rebates: $8.4 million from six carriers.

What to do, and not do, in the first 90 days of owning a dental practice: the transition, the team, the patients, and the numbers to watch weekly.

A practitioner DEA registration covers Schedules II through V, costs $888 and runs three years. Every controlled substance prescription must be dated and signed the day it is issued and carry nine items of information. Schedule II cannot be refilled; Schedules III and IV allow five refills within six months. An expired registration can be reinstated for one calendar month, and never assigned or transferred without DEA's written consent.

ADA HPI's June 2026 update of Trends in Dentists' Income, Revenue and Hours Worked: average GP net income was $215,320 in 2025, unchanged after inflation but down from $274,198 in 2010 in 2025 dollars. Pooled 2021-25 revenue per GP rose 1.4% and expenses 4.9% against 2016-20; owner GPs averaged $228,980, employed GPs $164,510.

Five RCTs and a systematic review find single-cone with bioceramic sealer matches warm vertical for healing, pain, and survival, and finishes faster.

The ADA's 2017 guideline gave one good practice statement and six clinical recommendations, all conditional and all resting on low or very low quality evidence. No adjunct showed enough diagnostic accuracy to serve as a routine triage tool, and for a suspicious lesion the panel called immediate biopsy or referral the single most important recommendation for practice.

HPI's quarterly dentist poll, now reported inside The State of the U.S. Dental Economy. Q2 2026, 552 private-practice dentists: 60.6% confident in their own practice, 50.2% in the dental sector, 39.7% in the economy; 26% not busy enough; new-patient wait 13.9 days; 87.7% of those recruiting hygienists call it very or extremely hard.

HHS's 2024 Section 1557 rule, effective July 5, 2024, reaches any dental practice paid by Medicaid, CHIP or Medicare, Part B included: a posted nondiscrimination notice, a notice of free language help in 15 languages, written policies, staff training and a coordinator at 15 or more employees. A court vacated only its gender-identity provisions in October 2025.

Through 2026 the ADA is replacing its 2017 oral cancer guideline part by part as a living guideline in JADA Evidence. Cytology (March), vital staining (April) and light-based adjuncts (June) each drew conditional recommendations against use; every part says examine every adult and biopsy or refer any abnormality.

The Medical Expenditure Panel Survey is the federal household survey behind most national numbers on dental use and spending. Its 2024 Dental Visits public use file, released May 2026, puts mean total payments at $462 per dental visit and mean out-of-pocket payments at $214, across an estimated 361.3 million visits.

Commander, Captivator, Consoler or Craftsman: the four chairside types, why burnout is usually misalignment, and how to build a team around your type instead.

29 CFR 1910.1200 reaches any employer with a chemical that employees may be exposed to under normal use, which puts every dental office inside it. It requires a written program with a list of the chemicals present, a label on every container, a safety data sheet for each chemical and training. The 2024 update, aligned with GHS Revision 7, phases in through May 19, 2028.

The 2025 Dental Economics-Levin Group Annual Practice Survey, published May 5, 2026, reports average production per doctor of $1,001,807 including hygiene, flat against $1,004,178 the year before, with 58% of practices reporting higher overhead, an average increase of 4.5%, 76% carrying an open position and 43% using AI.

A weekly log spreadsheet with formulas for every ratio the KPI and profitability articles define, plus a one-page summary of what to look at each Friday.

A 2024 Health Affairs study by ADA Health Policy Institute economists Nasseh and Vujicic with DePaul's LoSasso found the share of U.S. dentists affiliated with private equity rose from 6.6% in 2015 to 12.8% in 2021, fastest among larger practices and specialists, and that PE-affiliated practices were more likely to take Medicaid.

Dentsply Sirona's own Scientific Manual says it launched SDR, the first bulk-fill flowable composite, in 2009. The material is placed in 4 mm increments as a base under a capping composite, and the manufacturer claims roughly 80% less polymerization stress. Randomized trials and two meta-analyses find bulk fill comparable to 2 mm layering, not better.

ADHA's April 2026 position statement argues the hygienist shortage is a failure to keep people, not a failure to train them. It cites 60.6% hygienist burnout, 59% with no raise in two years and 44.7% with no benefits, opposes substituting other personnel for hygienists, and names seven priorities starting with pay.

The four specific traps that turn a promising second location into a nightmare: associate calibration, cash flow, payroll bloat and culture dilution.

ADA HPI, April 2026: only 60% of dentists have an adequate number of hygienists and 91% of those recruiting call it very or extremely challenging. Hygiene enrollment is up 16% since 2020 with record graduates in 2025, yet dental office wages have not risen after inflation. HPI expects the shortage to persist.

Every endodontic diagnosis is two terms, one pulpal and one apical, drawn from the list the AAE standardized at its 2008 consensus conference and printed in the Journal of Endodontics in 2009. In July 2025 the AAE and the European Society of Endodontology put a redrawn set of 9 pulpal and 8 periapical terms out for comment.

Price an in-house membership plan off what the covered visits actually cost you, then fill in the plan terms with your own numbers.

What the labels say about the topicals a dental office actually uses: benzocaine 20% gel with no milligram cap on the panel, Cetacaine with a two-second spray contraindication, and Oraqix at five cartridges per session. Plus what a compounded lidocaine 15% ointment label does not contain.

Every Research Says verdict on one sortable page, with a printable Monday-morning card per episode.

The ADA House of Delegates adopted the current edition in October 2025. It defines minimal, moderate and deep sedation and general anesthesia, sets the training, personnel, monitoring and emergency rules for each, and says level of sedation is entirely independent of the route of administration.

ICD-10-CM is the only diagnosis code set a dental claim may carry, adopted at 45 CFR 162.1002 and maintained free of charge by the CDC's National Center for Health Statistics. The set in force through September 30, 2026 holds 74,719 codes; 202 of them sit in the K00 to K14 block for diseases of the oral cavity and salivary glands.

What to include, how to price it off the cost of hygiene, how to present it, and the state-by-state hedge, for a membership plan built to replace insurance.

OSHA's June 21, 2021 emergency standard for healthcare (86 FR 32376) exempted screened dental offices from day one, lost everything but its COVID-19 log and reporting provisions on December 27, 2021, and had its permanent-rule effort terminated January 15, 2025. The log rule still sits in 29 CFR 1910.502 under an enforcement stay while OSHA finishes removing it.

Measured effective doses for the images a general practice takes every day, in microsieverts, from the two studies the ADA's own topic page cites. A four-image bitewing set is 5.0 microsieverts. The same full-mouth series runs 34.9 with rectangular collimation and 388 on D-speed film with a round cone. Cone beam is not one number but a range.

On February 1, 2024, an ADA Council on Scientific Affairs expert panel published recommendations that patient lead aprons and thyroid collars are no longer recommended for dental imaging, for all patients including pregnant ones. Rectangular collimation, digital receptors and careful CBCT selection replace them. State law still governs.

Prilocaine and benzocaine carry the highest profile, but the FDA-standardized methemoglobinemia warning now appears on articaine, lidocaine, mepivacaine and bupivacaine dental labels too. The susceptible groups, the signs, the timing, and the management the labels specify, including methylene blue at 1 to 2 mg/kg.

A 220-restoration RCT and a 228-restoration RCT (12 and 24 months) found Gluma adds nothing to a good adhesive; three shorter trials found a fading early edge.

The Code on Dental Procedures and Nomenclature is ADA intellectual property that 45 CFR 162.1002 names as the federal standard code set for dental services. It is rebuilt once a year by a 24-vote Code Maintenance Committee: requests close November 1, the committee meets in March, the manual ships in the fourth quarter, and the new version takes effect January 1.

How lenders evaluate a dental practice purchase: the debt-to-collections ceiling, conventional vs. government-backed loans, seller notes, and working capital.

ERISA section 514 supersedes state laws that relate to an employee benefit plan and says a self-funded plan is not an insurer, so carriers administering self-funded dental plans claim state dental insurance laws do not reach them. The ADA counts more than 360 such laws and backs H.R. 7931, introduced March 12, 2026, to close the gap.

Medicare's dental exclusion still stands, but since January 1, 2023 Parts A and B pay for dental exams and infection treatment that are inextricably linked to a covered medical service: organ, stem cell and bone marrow transplants, cardiac valve replacement, valvuloplasty, cancer chemotherapy, CAR T-cell therapy, bone-modifying agents, head and neck cancer treatment, and, since 2025, dialysis for end-stage renal disease.

Henry Schein announced Dentrix Ascend in April 2014 as its first cloud-based practice management system, sold by monthly subscription after an early adopter program. Ten years later its filings put the software business in a joint venture, Henry Schein One, with 95,000 practices and $675 million of segment sales.