The problem the researchers set out to solve is a stubborn one in pharmacology. Hydrophilic, or water-loving, drugs diffuse rapidly away from an injection site, making it difficult to maintain therapeutic concentrations locally without exposing the rest of the body. This is especially dangerous for drugs with narrow therapeutic indices, where the difference between an effective dose and a toxic one is small. Existing platforms—implantable devices, hydrogels, polymeric microparticles, and conventional liposomes—each carry drawbacks, from the need for surgical implantation to complex chemical modifications that complicate manufacturing.

Liposomes, spherical vesicles made of lipid bilayers enclosing aqueous compartments, have long been favored carriers because they can encapsulate water-soluble drugs and present a diffusion barrier. The standard strategy has been to stiffen their membranes with cholesterol and saturated phospholipids possessing high phase-transition temperatures, on the theory that a less fluid membrane slows drug escape. Unsaturated lipids, whose double bonds introduce kinks into the acyl chains and lower the phase-transition temperature, were assumed to produce more fluid, more permeable membranes and therefore faster release and poorer encapsulation.

To test this assumption rigorously, the team compared liposomes made from phospholipids of identical 18-carbon chain length but varying numbers of double bonds, prepared under matched conditions with 28.6 mol% cholesterol. The model drug was tetrodotoxin (TTX), an ultrapotent local anesthetic that is extremely hydrophilic—its octanol/water partition coefficient logarithm is −4.44—and notoriously difficult to encapsulate, typically achieving only about 25% efficiency with passive loading. The results were striking: liposomes made from 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC), which carries two double bonds, achieved roughly 72% encapsulation efficiency, about three times higher than the saturated DSPC formulation, with drug loading also threefold greater.

Release kinetics told an even more surprising story. In the first hour after preparation, only a small fraction of TTX escaped from DOPC liposomes—11-fold less than from the saturated DSPC version—while the four-double-bond DLPC formulation suppressed initial release 14-fold. Over seven days at body temperature, DOPC liposomes released just 1.3% of their TTX payload, roughly four times less than the saturated analogue. Because smaller particles release drug faster due to their higher surface area-to-volume ratios, and the unsaturated liposomes were in fact smaller, the effect could not be explained by size. The team also confirmed that direct chemical interactions between TTX and DOPC were absent by proton nuclear magnetic resonance spectroscopy.

The mechanism, revealed through cryogenic electron microscopy and confocal laser scanning microscopy, lay in ultrastructure. As the number of double bonds increased, the liposomes spontaneously reorganized from simple single-bilayer spheres into complex multilamellar and multivesicular (ML/MV) architectures—onions of nested membranes and vesicles-within-vesicles. A quantitative membrane area fraction, measured from fluorescently stained images, correlated almost perfectly (r = −0.99) with reduced one-hour release. A dithionite-quenching assay on fluorescently labeled liposomes independently confirmed the greater lamellarity of DOPC formulations, and liposomes made with negatively charged DOPG, which repel adjacent bilayers electrostatically and remain unilamellar, released drug nearly tenfold faster despite having the same degree of unsaturation.

The benefits extended broadly across hydrophilic molecules. Compared with saturated DSPC liposomes, DOPC formulations showed 1.6- to 3.3-fold higher encapsulation and loading for metformin, moroxydine, neosaxitoxin, the STING agonist 2′3′-cGAMP, the peptides insulin and teriparatide, and the protein interleukin-2, with one-hour release reduced 5- to 17-fold and seven-day release 2- to 9-fold slower. Notably, the more hydrophilic the molecule, the greater the advantage—consistent with the idea that each additional bilayer in the diffusion path presents a formidable barrier to water-soluble drugs. In contrast, the amphiphilic anesthetic bupivacaine, which can partition into and permeate lipid membranes, showed the opposite trend, releasing faster from more unsaturated liposomes.

The in vivo proof of principle came in a rat sciatic nerve block model, a demanding test because TTX is lethal at low doses if it escapes systemically. Free TTX at 5 micrograms was uniformly fatal, and saturated-liposome formulations at 110 micrograms produced only hours of block with signs of systemic spread. The DOPC liposomes, by contrast, delivered sensory nerve blockade lasting from 6.5 days at 80 micrograms of TTX to 13 days at 260 micrograms—50 times the lethal free dose—with no fatalities and essentially no contralateral deficits indicating systemic toxicity. When bupivacaine was co-loaded to accelerate onset, block was established within 30 minutes and lasted over eight days. Fluorescence imaging showed that both liposome types persisted at the injection site for weeks, confirming that the prolonged effect stemmed from slower release rather than slower clearance, and histology revealed inflammation and myotoxicity scores comparable to or better than the commercial liposomal bupivacaine product Exparel.

The implications reach well beyond anesthesia. A simple, injectable platform that passively achieves high loading and ultra-slow release of hydrophilic small molecules, peptides, and proteins—without covalent chemistry, aptamers, or device implantation—could transform sustained delivery of cancer immunotherapies like interleukin-2 and 2′3′-cGAMP, antiviral agents, and drugs for metabolic disease. The authors note that nanoscale extruded DOPC liposomes retained their ML/MV structure and sustained release, opening a path toward systemic applications. By reframing lipid unsaturation from a liability into an asset, the study suggests that some of drug delivery’s most stubborn constraints may yield not to more elaborate engineering, but to a reconsideration of the physics already hidden inside the lipid bilayer.

Subject of Research: Liposome-based sustained local drug delivery using unsaturated phospholipids

Article Title: Ultra-slow release of hydrophilic drugs via multilamellar–multivesicular liposomes formed by unsaturated phospholipids

Article References: Wang, Y., Xue, T., Torre, M., Han, Y., Shao, R., & Kohane, D. S. (2026). Ultra-slow release of hydrophilic drugs via multilamellar–multivesicular liposomes formed by unsaturated phospholipids. Nature Biomedical Engineering. https://doi.org/10.1038/s41551-026-01793-6

Image Credits: AI Generated

DOI: 10.1038/s41551-026-01793-6

Keywords: liposomes, drug delivery, unsaturated phospholipids, DOPC, tetrodotoxin, multilamellar vesicles, local anesthesia, controlled release, hydrophilic drugs, nerve block, biomedical engineering, Nature Biomedical Engineering

The study, published in the Archives of Dermatological Research, enrolled 140 patients with clean, granulating wounds who were candidates for split-thickness skin grafting between July 2024 and November 2025. Participants were divided into two groups of 70 according to the harvesting technique used by the operating surgeon. Group A underwent the tumescent technique, in which a super-wet infiltration of dilute anesthetic solution was injected into the donor site before the dermatome was run. Group B underwent the traditional non-tumescent technique, in which the graft is harvested without prior infiltration. Grafts were taken at a standardized thickness in both arms, and the researchers tracked three primary endpoints: the percentage of graft acceptance at day 5, day 10 and week 3; donor-site healing at day 10 and week 3; and postoperative pain measured with the Visual Analogue Scale.

The results favored the tumescent approach at every measured time point. Graft acceptance in the tumescent group reached 97.5 percent at day 5 compared with 94.0 percent in the non-tumescent group, 94.9 percent versus 88.9 percent at day 10, and 88.0 percent versus 83.1 percent at week 3, with all differences statistically significant at p less than 0.001. In practical terms, that gap means fewer patients returning to the operating room for revision grafting, fewer days of open wound care and a shorter, less costly hospital course. Graft take — the process by which a transplanted sheet of skin reattaches to its new bed through revascularization — is notoriously sensitive to conditions at the recipient site, and any intervention that nudges acceptance upward by several percentage points is clinically meaningful.

Even more striking were the differences at the donor site itself. By day 10, 87.1 percent of tumescent patients had achieved complete healing of the harvest wound, compared with 70.0 percent of those in the conventional group, a difference the authors report as significant at p equal to 0.013. The divergence widened further: the entire tumescent arm achieved complete donor-site healing within one to two weeks, whereas only 31.4 percent of the non-tumescent arm had done so by the same interval, a difference with a p value below 0.001. Epithelialization — the migration of new skin cells across the raw surface left by the dermatome — is the rate-limiting step in donor-site recovery, and accelerating it by even a few days can translate into less dressing changes, less nursing time and a faster return to normal activity.

Pain, the symptom patients most dread after graft harvesting, also fell decisively in the tumescent group. Postoperative analgesia requirements were significantly reduced compared with the conventional arm, with a p value below 0.001 on the Visual Analogue Scale comparisons. The mechanism is straightforward pharmacology: the tumescent solution contains a local anesthetic, typically lidocaine in dilute concentration, which bathes the nerve endings in the dermis and subcutaneous tissue and blocks pain signaling at the source. Because the solution is injected in large volume under low pressure — the super-wet approach — it also physically distends the tissue, firming the donor surface so the dermatome can cut a smoother, more uniform graft with less mechanical trauma.

Adrenaline, the second key ingredient in the infiltrate, does the hemostatic work. By constricting the small dermal vessels that bleed freely when the skin is shaved, it dries the donor field, reduces intraoperative blood loss and may improve the visibility and precision of the harvest. The concept is not new: the tumescent technique was originally described in 1987 for liposuction surgery, where large volumes of dilute anesthetic and adrenaline are infiltrated into subcutaneous fat, and it has since been adapted for a range of dermatosurgical procedures. Burn surgeons in particular have reported that tumescent infiltration significantly reduces blood loss during excision of burn wounds, and several smaller comparative studies have suggested benefits for skin graft harvesting specifically.

What sets the new study apart is its prospective design and its size relative to much of the earlier literature. Previous comparisons of tumescent and non-tumescent graft harvesting have often been retrospective, single-arm or small cross-sectional analyses. By enrolling 140 patients consecutively at a single tertiary care facility, standardizing graft thickness across both groups and pre-specifying objective endpoints at fixed time points, the Indian team produced one of the more rigorous datasets on the question to date. Complications told a consistent story: overall complications occurred in 7.1 percent of the tumescent group versus 20.0 percent of the non-tumescent group, a difference the authors report as statistically significant at p equal to 0.048. The reduction was driven primarily by graft loss, which fell from 10.0 percent in the conventional arm to 1.4 percent in the tumescent arm, significant at p equal to 0.011.

The biological logic behind these numbers is plausible on several fronts. A drier, better-hemostased donor bed may allow the harvested graft to be handled and applied with less contamination by blood, which can lift the graft off the recipient bed and prevent the capillary ingrowth required for take. The vasoconstriction induced by adrenaline may also create a transient ischemic stimulus at the donor site that some investigators believe accelerates re-epithelialization, although the precise mechanism remains debated. There is even laboratory evidence that tumescent infiltration fluid has antibacterial properties, which could reduce low-grade infection at both the donor and recipient sites. And because the anesthetic effect persists into the immediate postoperative period, patients start their recovery with better-controlled pain, which itself supports mobilization, sleep and wound perfusion.

The authors are careful about the limits of their evidence. As a prospective observational study rather than a randomized controlled trial, allocation to the two techniques followed the practice of the operating surgeon rather than a random process, leaving open the possibility of selection bias — for example, if surgeons preferentially used tumescence in patients they judged better candidates. The analysis relied on Student’s t-test and the chi-square test with a significance threshold of p less than 0.05, and while the differences in graft take and donor healing were large and consistent, observational designs cannot fully exclude confounding by surgeon skill, wound characteristics or adjunctive care. The authors themselves conclude that these encouraging findings warrant broader evaluation in prospective randomized controlled trials before the tumescent technique is definitively integrated into standard clinical practice.

Still, the direction of the evidence is hard to ignore. A technique that costs little more than a syringe, a dilute anesthetic solution and a few minutes of infiltration time delivered measurable gains in graft survival, donor-site healing speed, pain control and complication rates across 140 patients. For burn units, wound centers and plastic surgery services in resource-constrained settings — where revision surgery and prolonged dressing care carry the heaviest costs — a low-tech intervention with this effect profile could change routine practice. If randomized trials confirm what this observational study suggests, the humble act of inflating the donor site with fluid before cutting may become as standard a step in skin grafting as the dermatome itself.

Subject of Research: Comparison of tumescent and non-tumescent techniques for split-thickness skin graft harvesting and donor-site outcomes

Article Title: Tumescent vs. non-tumescent techniques for split-thickness skin grafting: a prospective observational study

Article References: Kambaiahgari, M. M. R., Sivamurugan, A., Pravin Dhas, A., Debarath Das, D., & Raman, L. (2026). Tumescent vs. non-tumescent techniques for split-thickness skin grafting: a prospective observational study. Archives of Dermatological Research, 318(1), Article 482. https://doi.org/10.1007/s00403-026-04878-z

Image Credits: AI Generated

DOI: 10.1007/s00403-026-04878-z

Keywords: split-thickness skin graft, tumescent technique, donor site healing, graft take, postoperative pain, adrenaline infiltration, local anesthesia, epithelialization, burn surgery, reconstructive surgery, dermatological research, surgical outcomes

Umbilical hernias arise when abdominal contents protrude through the umbilical ring, the natural opening in the abdominal wall at the navel. In normal development, this opening closes within a few days after birth, but closure can fail for congenital or acquired reasons. Congenital hernias are present at birth and often carry a hereditary component, while acquired hernias appear weeks after birth and are associated with infection, trauma, or increased pressure inside the abdomen. Anatomically, every hernia consists of three components: the sac, which forms the visible swelling; the contents, which may include intestine, omentum, or other organs; and the ring, the opening through which the contents pass, which may be natural or acquired.

The clinical significance of these defects varies widely. Most umbilical hernias are small, reducible, and clinically silent, causing little more than a cosmetic bulge. Larger hernias, however, can become irreducible, creating a risk of incarceration in which the herniated tissue becomes trapped, followed by strangulation, in which the blood supply to the trapped tissue is cut off. Strangulation produces acute, severe clinical signs and can be life-threatening. In breeding animals, hernias also carry an economic dimension, since they can significantly reduce both reproductive and productive performance, making timely repair a matter of practical husbandry as well as animal welfare.

Diagnosis rests on history, physical examination, and, where necessary, diagnostic imaging. For umbilical hernias, a visible swelling at the umbilicus is the typical presenting sign, and the diagnosis is usually confirmed by manually reducing the herniated mass and palpating the hernial ring, a maneuver made easier by placing the animal on its back. The condition must be distinguished from other umbilical swellings, including abscesses, hematomas, cysts, and tumors. An abscess typically shows local inflammatory signs and may discharge pus; a hematoma feels like free fluid and may yield bloody content on aspiration; a cyst fluctuates uniformly without pain or tendency to point. The pathognomonic findings for hernia are a palpable umbilical ring, a hernial sac, and reducible contents, with ultrasonography, radiography, or abdominocentesis available as supplementary tools when adhesions or swelling obscure reducibility.

In the reported case, the ram, weighing 21 kilograms and managed semi-intensively within a flock, had carried a one-month history of an enlarging umbilical swelling, with no reported trauma or prior treatment. On examination the animal was alert, with a heart rate of 74 beats per minute, a respiratory rate of 24 breaths per minute, and a rectal temperature of 39.0 degrees Celsius, all within normal physiological ranges. Palpation of the spherical swelling confirmed a distinct hernial ring, a hernial sac, and soft, non-painful contents. When the ram was positioned in dorsal recumbency, the contents reduced fully and manually into the abdominal cavity under gentle pressure. Exploratory abdominocentesis at the swelling yielded no fluid or purulent discharge, ruling out abscess and hematoma, and a diagnosis of umbilical hernia was reached. Because the animal was a year old, the hernia was classified as acquired, of unknown etiology, a finding consistent with earlier reports of acquired umbilical hernias in sheep ranging from four months to four years of age.

Surgical repair was scheduled after an overnight fast of 12 hours. Preoperative preparation followed a rigorous aseptic protocol: the swelling and surrounding region were washed with soap and water, closely shaved, and scrubbed with an antiseptic solution containing cetrimide and chlorhexidine gluconate, alternated with 70 percent isopropyl alcohol. The field was then painted with 2 percent iodine tincture in a centrifugal fashion, with concentric circles moving outward from the intended incision site, and draped with a sterile fenestrated drape secured by towel clamps. Anesthesia was achieved by local infiltration alone, using 2 percent lidocaine hydrochloride injected circumferentially around the base of the hernia at a total dose of 4 milligrams per kilogram of body weight. The surgical team deliberately avoided systemic sedation or general anesthesia to eliminate the risks of bloat, regurgitation, aspiration pneumonia, and prolonged cardiopulmonary depression, hazards particularly relevant in ruminant patients.

The operation itself illustrates the technical decisions that determine outcomes in herniorrhaphy. A single longitudinal skin incision was made over the apex of the swelling in the midline, anterior to the prepuce, and curved laterally to the right as needed, an approach chosen to avoid inadvertent injury to the preputial sheath and penile structures in this male animal. Hemostasis was maintained with direct gauze pressure and hemostatic artery forceps. Blunt dissection with closed Mayo scissors separated the hernial sac completely from the surrounding subcutaneous tissues and fascia. The sac was grasped with tissue forceps and tented upward away from the viscera, a small stab incision was made with a number 11 scalpel blade, and the surgeon’s index finger was inserted to palpate and clear any adhesions before the incision was extended. Opening the sac revealed herniated omentum and intestine, which were carefully returned to the abdominal cavity, exposing a circular hernial ring approximately 2 to 3 centimeters in diameter.

Closure began with refreshing the fibrotic edge of the ring with a scalpel blade to create a clean, viable surface for healing. To achieve a tension-free closure, the ring was enlarged with two small relief incisions, each roughly 1 centimeter long, made in opposite directions cranially and caudally. The ring was then closed with a cruciate suture pattern using size 2 silk, with all sutures placed first and tightened sequentially from the center of the defect toward its lateral margins in a centrifugal fashion. Procaine penicillin powder was applied topically over the sutured fascial site for local antimicrobial prophylaxis. Excess sac, redundant skin, and subcutaneous tissue were trimmed away, the subcutaneous layer was closed with a simple continuous pattern of size 2 polyglactin 910 to obliterate dead space and withstand abdominal wall tension, and the skin was apposed with a horizontal mattress pattern of size 2 silk for mechanical security against animal movement. The site was dressed with 2 percent iodine solution and the ram was discharged.

Postoperative management combined wound care with a three-day regimen of antimicrobials and analgesics. A combination of procaine penicillin G and dihydrostreptomycin sulfate was administered intramuscularly at 0.1 milliliters per kilogram once daily, while meloxicam was given at 0.3 milligrams per kilogram once daily for pain control. The wound was cleansed and re-dressed with iodine tincture every other day until healing was complete, and skin sutures were removed on the fifteenth day after surgery. Follow-up examinations at 30 and 60 days postoperatively found the ram in good health, gaining weight, and showing no signs of recurrence.

The choice of suture pattern is the case’s most instructive element. Commonly reported techniques for umbilical hernia repair in veterinary practice rely on interrupted and overlapping horizontal mattress patterns with non-absorbable suture material, in some studies supplemented by an additional row of simple interrupted nylon sutures. The successful use of a cruciate pattern with size 2 silk in this ram suggests that this configuration, which distributes tension across the closure while requiring less suture material and less time than layered mattress techniques, is a viable alternative for reducible hernias of similar size. The authors note that anesthetic protocol selection ultimately depends on patient temperament, hernia complexity, animal stability, and resource availability, and that local infiltration of lidocaine combined with xylazine sedation has also been reported for this procedure in sheep. The case’s principal limitation is its nature as a single report: larger prospective clinical studies with broader case series will be needed to validate long-term outcomes and compare the cruciate technique’s efficacy directly against the established mattress patterns. Until then, the case stands as a clear demonstration that timely diagnosis, careful surgical execution, and diligent postoperative care can restore a hernia-affected ram to full health with equipment and techniques accessible to field practitioners.

Subject of Research: Surgical repair of an acquired umbilical hernia in a ram using herniorrhaphy under local anesthesia

Article Title: Umbilical Hernia in a Ram and Its Successful Surgical Repair

Article References: Siyoum, G. T. (2026). Umbilical Hernia in a Ram and Its Successful Surgical Repair. Clinical Case Reports, 14(10), Article e73621. https://doi.org/10.1002/ccr3.73621

Image Credits: AI Generated

DOI: 10.1002/ccr3.73621

Keywords: umbilical hernia, ram, herniorrhaphy, veterinary surgery, sheep, cruciate suture pattern, local anesthesia, lidocaine, silk suture, small ruminants, case report, Addis Ababa University

Researchers led by Yu Zhang and Wei Cui of the Fourth Military Medical University in Xi’an, working with colleagues at Xi’an Medical University, distributed a cross-sectional questionnaire to all 109 public institutions approved by China’s Ministry of Education to offer undergraduate dentistry programs between 2021 and 2023. The questionnaire was adapted from validated frameworks used in the United Kingdom, reviewed by five subject-matter experts and pilot-tested before deployment. Forty-nine institutions returned valid responses, a participation rate of 45 percent, but the sample carried considerable weight: it included all 28 institutions holding an official discipline ranking of C-minus or above in the most recent national evaluation, and it spanned all seven major geographic regions of China.

The structural findings show a remarkable degree of consensus on how the subject is delivered. Nearly all responding institutions, 47 of 49 or 95.92 percent, teach dentoalveolar surgery not as a standalone course but embedded within a broader oral and maxillofacial surgery curriculum. Three-quarters of schools, 75.51 percent, schedule the material in the fourth academic year, positioning it after students have completed foundational biomedical coursework and general dental training but before graduation and clinical licensure.

Beneath that structural agreement, however, lies substantial variability in time commitment. For both theoretical and practical instruction, the most commonly reported duration was 10 to 20 hours, yet the actual range was dramatic: theory teaching ranged from as little as 4 hours to as many as 36 hours, while practical teaching spanned from 4 hours to more than 36 hours. That means a student at one Chinese dental school might receive nine times the hands-on surgical instruction of a peer at another institution, a disparity with potential implications for entry-level competence in procedures that carry real risks of nerve injury, fracture and infection.

The content itself follows an internationally recognizable core. Institutions consistently reported covering tooth extraction, local anesthesia, the extraction of impacted mandibular third molars, and the management of post-extraction healing and complications. These are the bread-and-butter procedures of general dental practice, and their prominence reflects the reality that most graduates will perform them daily rather than pursue surgical specialization.

Where the survey offers its most actionable insights is in the details of practical training pathways. Thirty institutions, 61.22 percent, described a progressive training sequence that moves students from instrument familiarization, through phantom-head simulation on artificial jaw models, to supervised peer-to-peer practice of local anesthesia injections. This staged approach mirrors competency-based models advocated in dental education literature, allowing students to build psychomotor skills incrementally before touching a patient. Yet simulation for more complex procedures lagged considerably: only 53.06 percent of schools provided simulation training for the surgical removal of impacted mandibular third molars, 42.86 percent for root or fractured-root removal, and just 36.73 percent for the extraction of other impacted teeth. These are precisely the procedures where inexperienced operators face the steepest learning curves and the highest complication rates.

Digital teaching tools present a similar picture of uneven adoption. Videos were nearly universal, used by 95.92 percent of institutions, and animations were employed by 79.59 percent, reflecting how inexpensive and easily deployed these passive formats have become. Interactive virtual programs, by contrast, were reported by only 24.49 percent of schools. The distinction matters educationally: passive media support observation and conceptual understanding, while interactive simulation platforms provide deliberate practice with feedback, the mechanism most strongly associated with skill acquisition in the surgical education literature.

Pedagogical innovation shows a clear hierarchy as well. Problem-based learning was the most widely adopted active-learning method, reported by 71.43 percent of institutions, followed by case-based learning at 42.86 percent and flipped-classroom teaching at 34.69 percent. These approaches ask students to reason through clinical scenarios before or instead of receiving didactic lectures, and their growing footprint suggests Chinese dental educators are engaging with international trends in health-professions education, even if penetration remains incomplete.

Assessment practices reveal perhaps the most significant gap between theory and practice in Chinese dentoalveolar surgery education. Summative theoretical examinations were nearly universal at 95.92 percent, confirming that knowledge acquisition is rigorously tested. But practical skills assessment was implemented at only 59.18 percent of institutions, and phantom-head assessment, in which students demonstrate operative technique on simulation models, at just 48.98 percent. In other words, at roughly half of Chinese dental schools, a student could complete the surgical component of their degree without ever being formally examined on their ability to perform the procedures they studied.

The authors conclude that undergraduate dentoalveolar surgery education in China has an established framework centered on tooth extraction and local anesthesia, with broad use of practical and digital teaching methods, but that marked variation persists in teaching hours, complex-procedure simulation, interactive digital tools and practical assessment. They suggest that future curriculum development may consider competency-guided learning objectives, strengthened simulation and case-based training, and more comprehensive assessment strategies, while cautioning that the educational effectiveness of such reforms requires empirical evaluation. For a country graduating thousands of dentists annually into a health system where tooth extraction remains one of the most commonly performed surgical procedures, the findings offer a data-driven baseline for national conversations about standardization, and a reminder that what happens in the simulation laboratory may matter as much as what happens in the lecture hall.

Subject of Research: Curriculum structure, simulation training and assessment in undergraduate dentoalveolar surgery education across Chinese dental schools

Article Title: Dentoalveolar surgery education in Chinese undergraduate dental schools: a national survey of curriculum structure, simulation training and assessment

Article References: Zhang, Y., Cui, W., Hu, K., Mo, J., He, F., Wang, Y., Wang, J., Zhang, W., Zhang, Z., Wang, Y., & Xue, Y. (2026). Dentoalveolar surgery education in Chinese undergraduate dental schools: a national survey of curriculum structure, simulation training and assessment. BMC Medical Education. https://doi.org/10.1186/s12909-026-10374-9

Image Credits: AI Generated

DOI: 10.1186/s12909-026-10374-9

Keywords: dentoalveolar surgery, dental education, undergraduate curriculum, simulation training, tooth extraction, local anesthesia, China, BMC Medical Education, problem-based learning, phantom head, assessment, oral and maxillofacial surgery