Title

Comparative evaluation of biologically oriented preparation technique (BOPT) and conventional prosthodontic preparation after endodontic therapy

Authors

Shallu Maggo¹,*, Gauri Bhatia², M. Smitha³, Sibani Sarangi⁴, Vikram Karande⁵, Shaiq Gajdhar⁶ & Anukriti Kumari⁷

Affiliation

¹Department of Conservative Dentistry & Endodontics, Santosh Dental College, Ghaziabad, Uttar Pradesh, India; ²Department of Conservative Dentistry & Endodontics, Devi Charitable Dental Hospital, New Delhi, India; ³Department of Prosthodontics, NSVK SV Dental College, Kariyappanahalli, Bannerughatta, Bengaluru, India; ⁴Department of Periodontics and Oral Implantology, Institute of Dental Sciences, S'O'A Deemed to be University, Bhubaneswar, India; ⁵Department of Dentistry, AIIMS, Rajkot, Gujarat, India; ⁶Department of Oral and Maxillofacial Rehabilitation, Ibnsina National College for Medical Studies. Jeddah, KSA; ⁷Department of  Oral Medicine and Radiology, School of Dental Sciences, Sharda University, Greater Noida, Uttar Pradesh, India; *Corresponding author Affiliation U

Email

Shallu Maggo - E-mail: shallumaggo21@gmail.com
Gauri Bhatia - E-mail: gauribhatia94@gmail.com
M. Smitha - E-mail: dr.smitham@yahoo.co.in
Sibani Sarangi - E-mail: sibanisarangi94@gmail.com
Vikram Karande - E-mail: drvikramkarande@gmail.com
Shaiq Gajdhar - E-mail: drshaiquegajdhar@gmail.com
Anukriti Kumari – E-mail: anukritishrma0@gmail.com

Article Type

Research Article

Date

Received September 1, 2026; Revised September 30, 2026; Accepted September 30, 2026, Published September 30, 2026

Abstract

The finish-line design of full-coverage restorations influences periodontal health and crestal bone stability, yet evidence comparing the biologically oriented preparation technique (BOPT) with conventional preparation in endodontically treated teeth remains limited. Therefore, it is of interest to evaluate the soft tissue and osseous responses in 64 endodontically treated teeth from 52 adults restored with monolithic zirconia crowns using either BOPT or conventional preparation over a 12-month follow-up. Clinical outcomes included probing depth, bleeding on probing, gingival margin level, gingival thickness and radiographic marginal bone level. At 12 months, BOPT showed significantly greater gingival thickness (1.32 ± 0.21 vs. 1.04 ± 0.18 mm; p < 0.001), improved gingival margin stability and lower marginal bone loss (0.36 ± 0.17 vs. 0.52 ± 0.21 mm; p = 0.002), while probing depth and bleeding on probing were comparable between groups. Thus, data shows that BOPT provides superior early peri-implant soft tissue and crestal bone preservation in endodontically treated teeth, supporting its use as a biologically favorable prosthodontic preparation approach.

Keywords

Biologically oriented preparation technique (BOPT), crestal bone; endodontically treated teeth, gingival margin, marginal bone loss, vertical preparation

Citation

Maggo et al. Bioinformation 22(9): 5908-5912 (2026)

Edited by

Ritik Kashwani

ISSN

0973-2063

Publisher

Biomedical Informatics

License

This is an Open Access article which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. This is distributed under the terms of the Creative Commons Attribution License.