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Dr. Lorenzo Tavelli DDS, MS, PhD

United States of America, Ann Arbor
 lorenzotavelli

Lorenzo Tavelli, DDS, MS, PhD isa full-time assistant professor and the director of the Postgraduate program in Periodontology at the Harvard School of Dental Medicine.

Dr. Tavelli graduated from the University of Milan and then completed his three-year residency in Periodontics and Master of Science at the University of Michigan. He is a diplomate of the American Board of Periodontology.

Dr. Tavelli’s main focus in clinical research and daily practice is microsurgical and minimally invasive soft tissue grafting procedures around teeth and dental implants, where he has been pioneering in the combined use of High Frequency Doppler Ultrasonography and wound healing biomarkers for assessing graft perfusion and the surgical outcomes. Dr. Tavelli has been extensively lecturing worldwide on these topics at the main scientific symposia. He has published more than 120 scholarly publications in the main international peer-reviewed journals while serving as an Associate Editor for Journal of Periodontal Research and Clinical Implant Dentistry and Related Research.

He was the recipients of several research awards, such as the 2024 ITI Andre Schroeder Research Prize, the 2023 American Academy of Periodontology (AAP) Earl Robinson Regeneration Award, the 2022 AAP Foundation Nevins Clinical Research Fellowship, the 2021 Goldman Clinical Research award from the Italian Society of Periodontology, and the 2020 AAP Balint Orban Research Award, among others.

 DDS, MS, PhD isa full-time assistant professor and the director of the Postgraduate program in Periodontology at the Harvard School of Dental Medicine.

Dr. Tavelli graduated from the University of Milan and then completed his three-year residency in Periodontics and Master of Science at the University of Michigan. He is a diplomate of the American Board of Periodontology.

Dr. Tavelli’s main focus in clinical research and daily practice is microsurgical and minimally invasive soft tissue grafting procedures around teeth and dental implants, where he has been pioneering in the combined use of High Frequency Doppler Ultrasonography and wound healing biomarkers for assessing graft perfusion and the surgical outcomes. Dr. Tavelli has been extensively lecturing worldwide on these topics at the main scientific symposia. He has published more than 120 scholarly publications in the main international peer-reviewed journals while serving as an Associate Editor for Journal of Periodontal Research and Clinical Implant Dentistry and Related Research.

He was the recipients of several research awards, such as the 2024 ITI Andre Schroeder Research Prize, the 2023 American Academy of Periodontology (AAP) Earl Robinson Regeneration Award, the 2022 AAP Foundation Nevins Clinical Research Fellowship, the 2021 Goldman Clinical Research award from the Italian Society of Periodontology, and the 2020 AAP Balint Orban Research Award, among others.

Events

  
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The 15th International Symposium on Periodontics and Restorative Dentistry (ISPRD)

12. Jun 2025 — 15. Jun 2025Boston Marriott Copley Place, Boston, MA, United States of America
Speakers: Edward P. Allen, Evanthia Anadioti, Gustavo Avila-Ortiz, Christopher Barwacz, Urs C. Belser, Florian Beuer, Nitzan Bichacho, Francesco Cairo, Vivianne Chappuis, Chia-Yu (Jennifer) Chen, Stephen J. Chu, Florin Cofar, Daniel Coleman, Iván Contreras Molina, Luca Cordaro, Luca De Stavola, Carlo Ercoli, Vincent Fehmer, Iñaki Gamborena, Maria L. Geisinger, William Giannobile, Luca Gobbato, Oscar Gonzalez-Martin, Jim Janakievski, Y. Natalie Jeong , Ronald Jung, Joseph Kan, Jihyon Kim, Gregg Kinzer, Christopher Köttgen, Ina Köttgen, Stefen Koubi, Purnima S. Kumar, France Lambert, Alejandro Lanis, Ernesto A. Lee, Paul Levi Jr, Tomas Linkevičius, Pascal Magne, Pamela K. McClain, Konrad H. Meyenberg, Craig M. Misch, Ricardo Mitrani, Rodrigo Neiva, Giorgio Pagni, Gianluca Paniz, Giulio Rasperini, Pooyan Refahi, Andrea Ricci, Marisa Roncati, Paul S. Rosen, Irena Sailer, Mariano Sanz, Ignacio Sanz Martín, Ignacio Sanz Sànchez, Todd Scheyer, Frank Schwarz, Massimo Simion, Frank Spear, Martina Stefanini, Clint Stevens, Lorenzo Tavelli, Tiziano Testori, Sejal Thacker, Teppei Tsukiyama, Istvan Urban, Eric Van Dooren, Diego Velasquez, Hom-Lay Wang, Homa Zadeh, Giovanni Zucchelli, Otto Zuhr
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The 14th International Symposium on Periodontics and Restorative Dentistry (ISPRD)

9. Jun 2022 — 12. Jun 2022Boston Marriott Copley Place, Boston, MA, United States of America
Speakers: Tara Aghaloo, Edward P. Allen, Evanthia Anadioti, Wael Att, Vinay Bhide, Markus B. Blatz, Scotty Bolding, Lorenzo Breschi, Jeff Brucia, Daniel Buser, Luigi Canullo, Daniele Cardaropoli, Stephen J. Chu, Donald Clem, Christian Coachman, Lyndon F. Cooper, Daniel Cullum, Lee Culp, José Carlos Martins da Rosa, Sergio De Paoli, Marco Degidi, Nicholas Dello Russo, Serge Dibart, Joseph P. Fiorellini, Mauro Fradeani, Stuart J. Froum, David Garber, Maria L. Geisinger, William Giannobile, Luca Gobbato, Ueli Grunder, Galip Gürel, Chad Gwaltney, Christoph Hämmerle, Robert A. Horowitz, Marc Hürzeler, David Kim, Gregg Kinzer, Christopher Köttgen, Ina Köttgen, Purnima S. Kumar, Burton Langer, Lydia Legg, Pascal Magne, Kenneth A. Malament, Jay Malmquist, George Mandelaris, Pamela K. McClain, Michael K. McGuire, Mauro Merli, Konrad H. Meyenberg, Craig M. Misch, Julie A. Mitchell, Marc L. Nevins, Myron Nevins, Michael G. Newman, Miguel A. Ortiz, Jacinthe M. Paquette, Stefano Parma-Benfenati, Michael A. Pikos, Giulio Rasperini, Pamela S. Ray, Christopher R. Richardson, Isabella Rocchietta, Marisa Roncati, Marco Ronda, Paul S. Rosen, Maria Emanuel Ryan, Irena Sailer, Maurice Salama, David M. Sarver, Takeshi Sasaki, Todd Scheyer, Massimo Simion, Michael Sonick, Sergio Spinato, Dennis P. Tarnow, Lorenzo Tavelli, Douglas A. Terry, Tiziano Testori, Carlo Tinti, Istvan Urban, Hom-Lay Wang, Robert Winter, Giovanni Zucchelli
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This author's journal articles

  
International Journal of Periodontics & Restorative Dentistry, Pre-Print
DOI: 10.11607/prd.7179, PubMed ID (PMID): 3905894426. Jul 2024,Pages 1-15, Language: EnglishUrban, Istvan A. / Di Martino, Maria / Rangel, Rodrigo / Latimer, Jessica / Forster, Andras / Tavelli, Lorenzo

Inter-implant Papilla Reconstruction using the Iceberg and “Garage” Connective Tissue Graft Technique. A Case Report and Technique Illustration

A 45-year-old female patient presented with a lack of inter-implant papilla after a partially edentulous anterior area was rehabilitated with dental implants. The soft tissue phenotype and inter-implant papilla was augmented using the “iceberg” connective tissue graft, followed by a second surgical procedure where a strip gingival graft was combined with a connective tissue graft inserted underneath a pouch prepared into the previous “iceberg” connective tissue graft at the level of the crest (“garage” approach), further enhancing soft tissue volume in that region. This technique aims to improve mucosal thickness and supracrestal tissue height while addressing esthetic concerns associated with multiple implant placements in the anterior region. The final esthetic outcome was excellent, harmonious soft tissue with appropriate thickness, symmetry with adjacent teeth, well-shaped interdental and inter-implant papilla with high patient satisfaction, making this approach a valuable addition to a surgeon’s armamentarium. Future clinical studies are needed to evaluate the performance of this novel approach.
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International Journal of Periodontics & Restorative Dentistry, Pre-Print
DOI: 10.11607/prd.7218, PubMed ID (PMID): 3905894326. Jul 2024,Pages 1-28, Language: EnglishWatanabe, Taito / Hasuike, Akira / Ogawa, Yudai / Barootchi, Shayan / Sato, Shuichi / Tavelli, Lorenzo

Staged Regenerative-Phenotype Modification Therapy for Multiple RT3 Gingival Recessions in Periodontally Compromised Anterior Mandibular Teeth: A Case Report

We report the successful treatment of multiple recession type (RT) 3 gingival recessions in periodontally compromised mandibular anterior teeth with limited keratinized tissue. A 35-yearold man with stage III, grade C periodontitis underwent a two-stage intervention. Initially, a modification of the connective tissue graft (m-CTG) wall technique was used as part of phenotype modification therapy. The CTG acted as a protective “wall,” securing space for periodontal regeneration, enhancing root coverage, soft tissue thickness, and keratinized mucosal width. Recombinant human fibroblast growth factor-2 and carbonate apatite promoted periodontal regeneration. This procedure successfully facilitated periodontal regeneration, resulting in the transition from RT3 to RT2 gingival recession and adequate keratinized mucosal width. Eighteen months later, the second surgery used a tunneled coronally advanced flap (TCAF) for root coverage. TCAF involved combining a coronally advanced flap and tunnel technique by elevating the trapezoidal surgical papilla and using a de-epithelialized CTG inserted beneath the tunneled flap. Root conditioning with ethylenediaminetetraacetic acid and enamel matrix derivative gel application were performed. Consequently, mean CAL gain was 5.3 mm, mean root coverage was 4.5 mm in height, and the gingival phenotype improved at the treated sites by the 12-month follow-up. This staged approach addresses the challenges of treating RT3 gingival recession with promising outcomes. Keywords: RT3, gingival recession, case report, T-CAF, periodontal regeneration, connective tissue graft, CTG wall
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International Journal of Periodontics & Restorative Dentistry, Pre-Print
DOI: 10.11607/prd.7197, PubMed ID (PMID): 3882027831. May 2024,Pages 1-22, Language: EnglishZwanzig, Kai / Akhondi, Samuel / Tavelli, Lorenzo / Lanis, Alejandro

The Use of Titanium Pins for the Management and Fixation of Free Gingival Grafts and Apically Repositioned Flaps During Vestibuloplasty. A Technique Report

Introduction: The presence of adequate keratinized mucosa (KM) around dental implants and natural dentition is pivotal for the long-term success of dental restorations. Despite various techniques to augment KM, challenges persist in achieving stable, keratinized, and adherent mucosa, especially in the context of significant muscle pull or compromised tissue conditions. This study introduces a novel application of titanium pins for the fixation of free gingival grafts (FGG) and apically repositioned flaps (APF) during vestibuloplasty, aiming to overcome important limitations associated with traditional suturing methods and shorten the treatment time and patient morbidity. Methods: Three patients with insufficient KM width, presenting discomfort during oral hygiene and inflammation around implant restorations and natural teeth, underwent soft tissue augmentation using titanium pins traditionally used in guided bone regeneration (GBR) for the stabilization of FGGs and APFs. This method ensures intimate contact between the graft and the periosteum, facilitating proper graft perfusion and revascularization, minimizing shrinkage and the risk for necrosis of the graft. Results: Postoperative follow-up revealed successful integration of the grafts, with minimal shrinkage and increased width and depth of KM. The use of titanium pins allowed for reliable fixation in challenging surgical sites, where traditional suturing methods were impractical due to the presence of extensive muscle pull and an unstable recipient bed. Conclusion: The application of titanium pins for the fixation of FGGs and APFs during vestibuloplasty provides a promising alternative to traditional suturing techniques, particularly in complex cases where the recipient bed is suboptimal for suturing. This method simplifies and shortens the procedure, offering a predictable outcome with increased mechanical stability and minimal shrinkage of the graft. Randomized clinical trials are recommended to further evaluate the efficacy of this technique. Keywords: Free Gingival Graft, Dental Implants , Apically repositioned flap, Titanium pins, Vestibuloplasty, Graft Survival, Periodontal Surgery, Titanium Pins, Transplants
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International Journal of Periodontics & Restorative Dentistry, 5/2024
DOI: 10.11607/prd.6731, PubMed ID (PMID): 37552185Pages 510-519, Language: EnglishUrban, Istvan A / Mancini, Leonardo / Wang, Hom-Lay / Tavelli, Lorenzo

The “Iceberg” Connective Tissue Graft Technique for Peri-implant Papilla Augmentation Following Interproximal Bone Reconstruction

Implants with deficient papillae and black triangles are common findings. The treatment of these esthetic complications is considered to be challenging with limited predictability. Therefore, the present report aims to describe a novel technique for papilla augmentation: the “iceberg” connective tissue graft (iCTG) after extraction and interproximal bone reconstruction in the anterior region. A 35-year-old patient presented with a hopeless tooth with interproximal clinical attachment loss extending to the apical third of the adjacent tooth. Interproximal bone reconstruction was performed through alveolar ridge preservation by directly applying recombinant human platelet-derived growth factor-BB (rhPDGF-BB) to the exposed root surface of the adjacent tooth. A mixture of autogenous bone chips (obtained from the ramus) and bovine bone xenograft particles (previously mixed with the growth factor) was also used. The patient was able to return for implant therapy only 2 years later, at which time an incomplete regeneration of the interproximal bone was observed. Therefore, to compensate the interproximal deficiency, the iCTG approach was utilized, involving a double layer of CTG with different origins. Two small grafts from the tuberosity were sutured to the mesial and distal ends of a wider CTG harvested from the palate, aiming to gain additional volume at the interproximal sites. The composite graft was then sutured on top of the implant platform, and the flap was then released and closed by primary intention. After conditioning the peri-implant tissues, the case was finalized with a satisfactory outcome. The described iCTG could be an effective approach for reconstructing peri-implant papillae following interproximal bone reconstruction.
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International Journal of Periodontics & Restorative Dentistry, 4/2024
DOI: 10.11607/prd.6721, PubMed ID (PMID): 37471153Pages 376-387a, Language: EnglishBarootchi, Shayan / Mancini, Leonardo / Sabri, Hamoun / Wang, Hom-Lay / Tavelli, Corrado / Tavelli, Lorenzo

Root Coverage and Volumetric Outcomes of a Novel Porcine-Derived Acellular Dermal Matrix with the Tunneled Coronally Advanced Flap (TCAF) for Treatment of Multiple Adjacent Gingival Recessions: A Clinical Prospective Study

Multiple adjacent gingival recessions (MAGRs) are commonly treated with autogenous grafts. However, several intra- and postsurgical complications have been described following autogenous grafts, leading clinicians to explore the use of different biomaterials to treat these conditions. The aim of the present study was to evaluate the root coverage outcomes of a novel porcine-derived acellular dermal matrix (PADM) in combination with the tunneled coronally advanced flap (TCAF) for the treatment of MAGRs. Ten patients with 33 type 1 recession defects (RT1s) were treated with PADM + TCAF. The outcomes of interest included the mean root coverage (mRC), the frequency of complete root coverage (CRC), changes in keratinized tissue width, volumetric gain at the treated sites (assessed with digital intraoral scanning), and patient-reported outcome measures. All treated sites healed uneventfully, and no complications were noted throughout the study. At 6 months, a statistically significant reduction in recession was noted at the treated sites, exhibiting an overall mRC of 89.14% ± 19.15% and a CRC of 72.7%. The average volume gain after 6 months was 26.28 ± 11.71 mm3, and the mean distance between the surface/mean thickness of the reconstructed volume (DD) was 0.63 ± 0.28 mm. The region-specific volumetric analysis revealed an overall higher linear dimensional gain at the midroot aspect (range: 0.72 to 0.78 mm, assessed 1 to 4 mm apical to the cementoenamel junction) compared to the other regions. The present study presents the clinical and volumetric outcomes of PADM + TCAF for the treatment of MAGRs. A significant amount of volumetric gain was also observed at 6 months as a result of the treatment, along with satisfactory esthetic and patient-reported outcomes. Keywords: Gingival recession, Acellular Dermal Matrix, Surgical flap, volumetric analysis, optical scanning
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International Journal of Periodontics & Restorative Dentistry, 4/2023
DOI: 10.11607/prd.6058, PubMed ID (PMID): 37552200Pages 415-422, Language: EnglishTavelli, Lorenzo / Barootchi, Shayan / Rodriguez, Maria Vera / Meneghetti, Priscila Ceolin / Mendonça, Gustavo / Wang, Hom-Lay

Volumetric Outcomes of Peri-implant Soft Tissue Augmentation with a Xenogeneic Cross-Linked Collagen Scaffold: A Comparative Clinical Study

Performing soft tissue augmentation (STA) at implant sites to improve esthetics, patient satisfaction, and peri-implant health is common. Several soft tissue grafting materials can be used to increase soft tissue thickness at the second-stage surgery, including human dermal matrices and xenogeneic collagen scaffolds. This study assessed and compared the volumetric outcomes, from second-stage surgery to crown delivery, around implants that received STA with a xenogeneic cross-linked collagen scaffold (XCCS) vs nonaugmented implant sites. Thirty-one patients (31 implant sites) completed the study. Intraoral digital scans were taken at the second stage and prior to crown delivery, and the STL files were imported in an image-analysis software to assess volumetric changes. XCCS-augmented implants showed significantly greater volumetric changes compared to control sites, which showed volume loss. The mean thickness of the XCCS-augmented area was 0.73 mm. There was no difference in patient-reported esthetic evaluations between groups. STA with XCCS provided significantly greater volumetric outcomes compared to nonaugmented sites. Further studies are needed to evaluate the long-term behavior of the augmented peri-implant mucosa and the effects of STA on peri-implant health.
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International Journal of Periodontics & Restorative Dentistry, 4/2023
DOI: 10.11607/prd.5671, PubMed ID (PMID): 36520135Pages 435-441, Language: EnglishVilla, Gabriele / Rizzacasa, Andrea / Bessa, Luis / Spina, Paolo / Barootchi, Shayan / Tavelli, Lorenzo / Wang, Hom-Lay

Shell Technique with a Xenogeneic Cortical Bone Lamina and Particulate Bone Graft for Horizontal Ridge Augmentation: A Case Series

The aim of this prospective case series was to evaluate the efficacy and safety of a xenogeneic cortical bone lamina utilized as a “shell” on the buccal aspect of narrow alveolar ridges for horizontal bone augmentation. Fifteen patients requiring multiple implant restorations at sites with moderate to severe horizontal bone deficiency were consecutively enrolled. Horizontal bone augmentation was performed using a xenogeneic cortical bone lamina (XCBL), which was fixed on the buccal aspect of the ridge using titanium screws, and a mixture of particulate autogenous bone graft and porcine hydroxyapatite. CBCT scans were taken at baseline and 6 months after bone augmentation. The healing was uneventful, with no intra- or postoperative complications. Twenty-seven implants were placed in the augmented sites. The calculated average horizontal bone gain from CBCT scans was 4.79 ± 1.64 mm, 5.59 ± 1.51 mm, and 5.79 ± 2.53 mm at 1-, 3-, and 5-mm reference points apical to the buccal bone crest, respectively. The present case series demonstrated that the shell technique with the XCBL and particulate bone graft can be an effective approach for horizontal bone augmentation prior to implant placement.
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International Journal of Periodontics & Restorative Dentistry, 3/2023
DOI: 10.11607/prd.6538, PubMed ID (PMID): 37141083Pages 281-288, Language: EnglishTavelli, Lorenzo / Heck, Teresa / De Souza, André B / Stefanini, Martina / Zucchelli, Giovanni / Barootchi, Shayan

Implant Esthetic Complications: Anatomical, Prosthetic, and Patient-Centered Considerations for Treatment

Implant esthetic complications can negatively affect a patient's perception of implant therapy and their quality of life. This article discusses the etiology, prevalence, and strategies for the treatment of peri-implant soft tissue dehiscences/deficiencies (PSTDs). Three common scenarios of implant esthetic complications were identified and described, in which PSTDs could be managed without removing the crown (scenario I), with the surgical-prosthetic approach (crown removal; scenario II), and/or with the horizontal and vertical soft tissue augmentation and submerged healing (scenario III).
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International Journal of Oral Implantology, 2/2023
PubMed ID (PMID): 37158180Pages 105-113, Language: EnglishMancini, Leonardo / Galarraga-Vinueza, Maria Elisa / Barootchi, Shayan / Tavelli, Lorenzo

3D surface defect map for characterising the buccolingual profile of peri-implant tissues

Purpose: To describe a novel, noninvasive, intraoral optical scanning–based approach for characterising the buccolingual profile of peri-implant tissues using a 3D surface defect map. Materials and methods: Intraoral optical scans of 20 isolated dental implants with peri-implant soft tissue dehiscence in 20 subjects were captured. The digital models were then imported into image analysis software, where an examiner (LM) performed a 3D surface defect map analysis characterising the buccolingual profile of the peri-implant tissues in respect to the adjacent teeth. Ten linear divergence points that were 0.5 mm apart in a corono-apical direction were identified at the midfacial aspect of the implants. Based on these points, the implants were grouped into three different buccolingual profiles. Results: The method for creating the 3D surface defect map of isolated implant sites was outlined. Eight implants displayed pattern 1 (coronal profile of peri-implant tissues more lingual/palatal than their apical portion), six implants exhibited pattern 2 (opposite of pattern 1) and six sites showed pattern 3 (relatively uniform and “flat”). Conclusions: A novel method for assessing the buccolingual profile/position of peri-implant tissues using a single intraoral digital impression was proposed. The 3D surface defect map visualises the volumetric differences in the region of interest compared to the adjacent sites, allowing for objective quantification and reporting of profile/ridge deficiencies of isolated sites. Keywords: dental implant, digital data, optical scanning, pilot study, STL file The authors do not have any financial interests, either directly or indirectly, in the products or information mentioned in this paper.
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International Journal of Periodontics & Restorative Dentistry, 2/2023
DOI: 10.11607/prd.6448, PubMed ID (PMID): 37232677Pages 147-154, Language: EnglishBarootchi, Shayan / Rodriguez, Maria Vera / Chan, Hsun-Liang / Kripfgans, Oliver D. / Wang, Hom-Lay / Tavelli, Lorenzo /

Coronally Advanced Flap with Xenogeneic Collagen Matrix for the Treatment of Gingival Recessions at Sites Presenting with Cervical Restorations or Noncarious Cervical Lesions: A Clinical and Ultrasonographic Study

The aim of this prospective study was to evaluate the efficacy of a cross-linked xenogeneic volume-stable collagen matrix (CCM) in treating gingival recessions (GRs) at teeth presenting with cervical restorations or noncarious cervical lesions (NCCLs). Fifteen patients with esthetic concerns for multiple sites with GRs and cervical restorations were consecutively enrolled. The sites were treated with a coronally advanced flap (CAF) design in combination with a CCM. When present, the previous restoration was removed, and the cementoenamel junction was reconstructed with a composite material. The CCM was stabilized on the root surface(s) previously occupied by the restoration. The CAF was sutured to completely cover the graft. Clinical measurements and intraoral digital and ultrasonographic scans were collected at baseline and at 3 and 6 months postsurgery. Limited postoperative discomfort was reported by patients during the healing. The mean root coverage at 6 months was 74.81%. Average increases in gingival thickness of 0.43 mm and 0.52 mm were observed when measured with ultrasonography 1.5 mm and 3 mm apical to the gingival margin, respectively (P < .05). Relatively high patient-reported satisfaction and esthetics were associated with the treatment outcomes. The treatment resulted in a significant reduction in dental hypersensitivity (mean: 33 VAS points). The present study demonstrated that CAF + CCM is an effective approach for treating GRs at sites with cervical restorations or NCCLs. Int J Periodontics Restorative Dent 2023;43:147–154. doi:
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