
248 S.W.3d 860 (2008)
Charles PARKER, D.D.S., and Marshall Denture Clinic, Appellants,
v.
Edith SIMMONS, Appellee.
No. 06-07-00096-CV.
Court of Appeals of Texas, Texarkana.
Submitted February 13, 2008.
Decided March 12, 2008.
*862 Ken W. Good, Kent, Good, Anderson & Bush, PC, Tyler, TX, for appellants.
Rod L. LaGrone, LaGrone Law Office, Texarkana, TX, for appellee.
Before MORRISS, C.J., CARTER and CORNELIUS,[*] JJ.

OPINION
WILLIAM J. CORNELIUS, Justice, (Retired).
This is an interlocutory appeal of the denial of a motion to dismiss for failure to serve an expert report in a health care liability claim (HCLC).[1]
Edith Simmons was dissatisfied with the "snap-on" dentures Charles Parker, D.D.S., provided. The dentures caused Simmons pain, rubbed and gouged her periodontal area, split and tore the corners of her mouth, and caused blisters. Simmons sued Parker and Marshall Denture Clinic (collectively Parker), alleging breach of contract and deceptive trade practices.[2] Parker contended the claims were for medical malpractice, and he filed a motion to dismiss Simmons' suit because she failed to serve the expert report required in HCLC actions. The trial court denied Parker's motion to dismiss, and Parker appeals.
Parker raises one issue: Whether the trial court erred in refusing to dismiss the suit for failure to serve an expert report. We conclude that Simmons' suit constitutes a HCLC, and therefore, the trial court did err in failing to dismiss Simmons' suit.
The factual allegations are essentially the same in each of Simmons' three petitions and in the affidavit supporting her response to Parker's motion to dismiss. Simmons alleged that she saw a television advertisement by Parker that made false claims and promises, e.g., that Parker could provide "a better denture" in "snap-on" dentures; that she would be properly fitted with the dentures; and that she was a reasonable candidate for such dentures. Simmons further alleged that she relied on the advertised representations, and went through eight fittings for the "snap-on" dentures, although she was led to believe it would only require four or five visits. She also alleged that she eventually got a second opinion from another dentist who told her that she was not a good candidate for the "snap-on" dentures and that the dentures she received were ill-fitting and improper. Simmons also alleged that Parker refused to refund her money after it became *863 apparent that he would not in fact meet the promises he made.
Based on these pleaded facts, Simmons claimed Parker represented that the agreement conferred or involved rights, remedies, or obligations it did not, that he failed to disclose known information, and that he engaged in an unconscionable course of conduct in inducing her to enter into the transaction.
We review a trial court's refusal to dismiss an action for failure to file a HCLC expert report for an abuse of discretion. Am. Transitional Care Ctrs. of Tex., Inc. v. Palacios, 46 S.W.3d 873, 877 (Tex.2001); Downer v. Aquamarine Operators, Inc., 701 S.W.2d 238 (Tex.1985). A trial court does not have discretion to determine what the law is, which law governs, or how to apply the law. Walker v. Packer, 827 S.W.2d 833, 840 (Tex.1992). Thus, whether a cause of action constitutes a HCLC is a question of law to be reviewed de novo by the appellate court. Parker v. CCS/Meadow Pines, Inc., 166 S.W.3d 509, 512 (Tex.App.-Texarkana 2005, no pet.); see also Lee v. Boothe, 235 S.W.3d 448, 451 (Tex.App.-Dallas 2007, pet. filed); Boothe v. Dixon, 180 S.W.3d 915, 919 (Tex.App.-Dallas 2005, no pet.).
In a HCLC, a claimant must serve an expert report and curriculum vitae on each physician or provider against whom liability is asserted. TEX. CIV. PRAC. & REM. CODE ANN. § 74.351(a). Should a claimant fail to timely file the required report, and on proper motion by the defendant, the trial court shall award costs and fees to that defendant and dismiss the claim with respect to that defendant. TEX.CIV. PRAC. & REM.CODE ANN. § 74.351(b). The dismissal is mandatory. Thoyakulathu v. Brennan, 192 S.W.3d 849, 853 (Tex.App.-Texarkana 2006, no pet.).
Simmons concedes she did not serve an expert report as required under Section 74.351. She contends, instead, that because her action is not a HCLC, she is not required to serve the expert report. See Parker v. CCS/Meadow Pines, Inc., 166 S.W.3d at 512.
A HCLC is "a cause of action against a health care provider . . . for treatment, lack of treatment, or other claimed departure from accepted standards of . . . health care . . . which proximately results in injury to . . . a claimant, whether the claimant's claim or cause of action sounds in tort or contract." TEX. CIV. PRAC. & REM. CODE ANN. § 74.001(a)(13). "Health care" is "any act or treatment performed or furnished, or that should have been performed or furnished, by any health care provider for, to, or on behalf of a patient during the patient's medical care, treatment, or confinement." TEX. CIV. PRAC. & REM.CODE ANN. § 74.001(a)(10) (Vernon 2005). A "health care provider" includes a dentist. TEX. CIV. PRAC. & REM.CODE ANN. § 74.001(a)(12)(A)(ii) (Vernon 2005).
A claimant cannot recast a HCLC as another kind of cause of action and thereby avoid the requirements applicable to HCLCs. Diversicare Gen. Partner, Inc. v. Rubio, 185 S.W.3d 842, 851 (Tex.2005); Murphy v. Russell, 167 S.W.3d 835, 838 (Tex.2005); see also Garland Cmty. Hosp. v. Rose, 156 S.W.3d 541, 544 (Tex.2004). To determine whether a cause of action is a HCLC, we examine the underlying nature of the claim, and are not bound by the form of the pleading. Diversicare Gen. Partner, Inc. v. Rubio, 185 S.W.3d at 847. We look to the nature of Simmons' DTPA claims to determine if the acts or omissions alleged in the petition are an inseparable part of the rendition of health care services, or if they are based on a breach of a standard of care applicable to health care providers. Boothe v. *864 Dixon, 180 S.W.3d at 919. When a complaint focuses on the quality of the doctor's treatment, it is inextricably intertwined with medical treatment and the provision of health care. Garland Cmty. Hosp. v. Rose, 156 S.W.3d at 546. The necessity of expert testimony from a health care professional to prove a claim may be an important factor in determining whether a cause of action is an inseparable part of the rendition of medical or health care services. Diversicare Gen. Partner, Inc. v. Rubio, 185 S.W.3d at 848.
Examining the underlying nature of Simmons' claims, all of the alleged acts are inextricably intertwined with the rendition of health care services, e.g., a promise to provide a better denture; a promise to properly fit the dentures; a representation of appropriate candidacy or failure to disclose indications of inappropriate candidacy for the procedure; eight fittings instead of a represented four or five; and a refusal to refund advance payments for the services.
The Texas Supreme Court has twice analyzed strikingly similar allegations of a dentist's wrongdoings under the DTPA and found, in both cases, that the claims were HCLCs. Gormley v. Stover, 907 S.W.2d 448, 450 (Tex.1995); Walden v. Jeffery, 907 S.W.2d 446, 448 (Tex.1995). In Gormley v. Stover, the patient brought a DTPA claim for her dentist's alleged misrepresentations, among others, that a skin graft procedure would be preferable to a bone graft procedure, that the dentures would fit well, and that the patient would have no problem with her dentures. The dentist sought summary judgment on the basis that the claims were HCLCs barred by the shorter statute of limitations applicable to HCLCs. The court determined that the dentist's alleged representations all had to do with whether the dentist's selection of the procedure and his performance of it met the standard of care for dentists in those circumstances. The court held that the patient's allegations were nothing more than an attempt to recast a malpractice action as a DTPA action. Simmons' claims in this case are essentially indistinguishable from those held to be HCLCs in Gormley v. Stover.
In Walden v. Jeffery, decided the same day as Gormley v. Stover, the court analyzed whether a suit over ill-fitting dentures, characterized by the patient as a DTPA claim for knowing misrepresentation to provide dentures that fit, was actually a medical negligence claim. Walden v. Jeffery, 907 S.W.2d at 447-48. The court distinguished the promise of properly fitting dentures in Walden v. Jeffery from the express warranty of a particular result in Sorokolit v. Rhodes,[3] and held that "the allegation that Walden provided ill-fitting dentures cannot be anything other than that he was negligent. Jeffery has simply recast her negligence claim as a DTPA claim." Walden v. Jeffery, 907 S.W.2d at 447-48. The court held that a complaint against a dentist for supplying ill-fitting dentures is a claim "for negligence in the rendition of services." Id. at 448. Moreover, the court held that the provision of dentures by a dentist acting in his professional capacity as a dentist is an inseparable part of the rendition of medical services. Simmons' claim that Parker represented that the "snap-on" dentures would be properly fitted is essentially indistinguishable from that found to be a HCLC in Walden v. Jeffery.
*865 In its most recent case analyzing what constitutes a HCLC, the Texas Supreme Court explained its earlier holdings that the provision of dentures is "inseparable from health care provided to the patient as part of the provision of professional dental services." Diversicare Gen. Partner, Inc. v. Rubio, 185 S.W.3d at 848. In other words, a claim because of ill-fitting dentures is a HCLC even though the patient presents it as one for breach of warranty, breach of contract, or DTPA violations.
With even a liberal reading of Simmons' pleadings, all of her claims stem from, relate to, and require proof of, the standard of dental care provided by Parker. Parker v. CCS/Meadow Pines, Inc., 166 S.W.3d at 513. Simmons' claim is ultimately that, through lapses in Parker's professional judgment and treatment, she suffered injury. Cf. Diversicare Gen. Partner, Inc. v. Rubio, 185 S.W.3d at 851.
Even candidacy for a particular dental procedure is inextricably intertwined with medical treatment. See Boothe v. Dixon, 180 S.W.3d at 920. Simmons' claims are based on the appropriateness of the chosen procedure and the health care provider's execution of that procedure. Expertise in the health care field is required to determine the appropriate candidacy, desirability, and proper fit of particular dentures. See Diversicare Gen. Partner, Inc. v. Rubio, 185 S.W.3d at 851.
Even the breach of the alleged guarantee of a refund is necessarily premised on an allegation of Parker's breach of the standard of care. Simmons makes no allegation of an express warranty of a particular result, only that the dentures would be "better" and would fit properly. Both implicate the standard of care. The Texas Supreme Court has, since it decided Sorokolit v. Rhodes, limited the availability of non-HCLC DTPA actions to the specific warranty of a particular result. See Walden v. Jeffery, 907 S.W.2d at 447-48. Any representation in an advertisement or guarantee that relates to health care is attributable to and depends on the standard of care. Cf. Gormley v. Stover, 907 S.W.2d at 450. Simmons alleges no representations or guarantees beyond those relating to the standard of care for dental services.
In sum, the acts and omissions alleged in Simmons' petition are an inseparable part of the rendition of health care services and are based on a breach of a standard of care applicable to a health care provider. TEX. CIV. PRAC. & REM.CODE ANN. § 74.001(a)(13).
Simmons argues that her cause of action is based solely on misrepresentations and is therefore cognizable under the DTPA and does not constitute a HCLC. We reject this proposition. The Texas Supreme Court has clearly held that, if the alleged representations relate to health care services, a cause of action based on the breach of those representations is a HCLC. Murphy v. Russell, 167 S.W.3d 835; Gormley v. Stover, 907 S.W.2d 448; Walden v. Jeffery, 907 S.W.2d 446; Sorokolit v. Rhodes, 889 S.W.2d 239. Several courts of appeals have held likewise. Hunsucker v. Fustok, 238 S.W.3d 421 (Tex.App.-Houston [1st Dist.] 2007, no pet.); Boothe v. Dixon, 180 S.W.3d 915; Chapman v. Wilson, 826 S.W.2d 214 (Tex. App.-Austin 1992, pet. denied). In her last amended petition, Simmons alleged that Parker performed dental work on her; he was her "treating doctor"; he promised he could provide a better denture for her with "snap-on" dentures; he represented that the process would be completed in four to five visits; and he represented that she was a proper candidate for the "snap-on" dentures. Simmons further alleged she was never able to get the dentures properly fitted, even though she had eight fittings, *866 and she was advised by another dentist that, not only were the dentures ill-fitting, but she was never a proper candidate for the "snap-on" dentures and that Parker and his associates should have been aware of that fact. All of the claims by Simmons are inseparable from the rendition of health care services and therefore constitute a health care liability claim. Implied warranties do not apply to a product provided as an inseparable part of the rendition of medical services. Walden v. Jeffery, 907 S.W.2d at 448. The providing of dentures is an inseparable part of the rendition of medical services.
Because Simmons' claims are health care liability claims, she was required to file an expert report under TEX. CIV. PRAC. & REM.CODE ANN. § 74.351. Because she did not, the trial court was required to dismiss her claims, and abused its discretion in failing to do so. For the reasons stated, we reverse the trial court's order denying the motion to dismiss, and remand the case to the trial court for proceedings not inconsistent with this opinion.
NOTES
[*]  William J. Cornelius, Chief Justice, Retired, Sitting by Assignment
[1]  See TEX. CIV. PRAC. & REM.CODE ANN. § 51.014(a)(9) (Vernon Supp.2007), § 74.001(a)(13) (Vernon 2005) (defining HCLC), § 74.351 (Vernon Supp.2007) (expert report).
[2]  See Tex. Bus. & Com.Code Ann. §§ 17.46, 17.50 (Vernon Supp.2007). Simmons later amended her petition to add a HCLC. After Parker filed a motion to dismiss, Simmons again amended her petition, dropping her contract and HCLC claims and expanding her Deceptive Trade Practices Act (DTPA) claims.
[3]  889 S.W.2d 239, 242 (Tex.1994) (finding that plastic surgeon's knowing breach of an express warranty of a particular result or knowing misrepresentation of skills was not precluded under the DTPA).
