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Bone drilling is an important process in orthopaedic and dental surgery, where excessive heat and poor surface integrity can lead to thermal osteonecrosis and loss of implant stability. Thermal response and post-drilling surface roughness are frequently examined independently, even though their interdependence remains poorly understood despite extensive analysis of their individual characteristics. This study combines an experimental investigation of maximum temperature ( T max ) and surface roughness ( Ra & Rz ) during drilling under the same conditions. A full factorial design was adopted with SS316L and ZrO 2 drill bits of 2.5, 3.0, and 3.5 mm diameter, a feed rate of 30–50 mm/min, and a spindle speed of 900–1300 rpm. The findings demonstrate that the spindle speed is the most important factor affecting T max and surface roughness. SS316L exercises produced increased temperatures ( T max of 61 °C) and roughness ( Ra of 17 μm), often higher than the 47 °C thermal limit. By comparison, ZrO 2 drills had lower T max (< 42.5 °C) and were more uniform in surface quality. The Pearson correlation analysis showed that T max and Ra had a moderate, diameter-dependent correlation with SS316L, whereas weaker correlations were observed with ZrO 2 . The results indicate that combined thermo-surface testing is important and suggest that ZrO2 drills perform better under controlled experimental conditions. Graphical Abstract

The global orthopedic industry observes an industry transformation through the introduction of bioceramic materials which function as alternative sustainable surgical tools beyond SS316L and Ti6Al4V. This research examines ZrO 2 biocompatibility properties alongside mechanical characteristics and ecological features in relationship to stainless steel (SS316L) and titanium (Ti6Al4V), with emphasis on how ZrO 2 manages thermal necrosis conditions and tool degradation as well as environmental effects in orthopedic treatments. ZrO 2 surgical tools demonstrate enhanced precision in surgical operations because they produce lower machining temperatures and exhibit superior wear resistance and minimal thermal damage. The autoregressive integrated moving average (ARIMA)-based market forecasts indicate that zirconium production will experience substantial growth from 1.69 MT in 2024 to reach 2.37 MT in 2032 due to the increasing market demand for ceramic- based biomedical solutions. International advancement of orthopedic surgical tools requires these findings because growing international demand is focusing on biocompatible, wear-resistant, and environmentally sustainable materials. The study generates important knowledge that benefits medical device companies and material science experts together with regulatory authorities in conducting international research on bioceramic technologies and their clinical implementation. The adoption of ceramic-based surgical tools supports both patient welfare improvements through precision medicine and sustainable healthcare goals, which resolve both financial and ecological issues. ZrO 2 -based orthopedic tools show promise as they advance surgical practices by unifying material scientific progress with worldwide healthcare needs.

The global orthopedic industry observes an industry transformation through the introduction of bioceramic materials which function as alternative sustainable surgical tools beyond SS316L and Ti6A14V. This research examines ZrC>2 biocompatibility properties alongside mechanical characteristics and ecological features in relationship to stainless steel (SS316L) and titanium (Ti6A14V), with emphasis on how ZrC>2 manages thermal necrosis conditions and tool degradation as well as environmental effects in orthopedic treatments. ZrC>2 surgical tools demonstrate enhanced precision in surgical operations because they produce lower machining temperatures and exhibit superior wear resistance and minimal thermal damage. The autoregressive integrated moving average (ARIMA)-based market forecasts indicate that zirconium production will experience substantial growth from 1.69 MT in 2024 to reach 2.37 MT in 2032 due to the increasing market demand for ceramic- based biomedical solutions. International advancement of orthopedic surgical tools requires these findings because growing international demand is focusing on biocompatible, wear-resistant, and environmentally sustainable materials. The study generates important knowledge that benefits medical device companies and material science experts together with regulatory authorities in conducting international research on bioceramic technologies and their clinical implementation. The adoption of ceramic-based surgical tools supports both patient welfare improvements through precision medicine and sustainable healthcare goals, which resolve both financial and ecological issues. Zr02-based orthopedic tools show promise as they advance surgical practices by unifying material scientific progress with worldwide healthcare needs.

Orthopaedic surgeries subject bones to mechanical and thermal stresses, impacting their structural integrity and healing potential. This study examines the thermal and surface integrity impacts of APMT 1135 modelled SS316L and biocompatible ceramic (ZrO 2 ) milling inserts during bone milling. Thermal stresses in orthopaedic surgeries can induce thermal necrosis, which is detrimental to bone healing. Temperature profiles ( T max and T mean ) were assessed, revealing ZrO 2 ’s peak temperature of 39.25 °C at f = 0.03 mm/tooth and s = 900 rpm. ZrO 2 ’s lower thermal conductivity resulted in reduced T mean , critical for extended tool-bone contact. Surface roughness ( Ra and Rz ) analyses showed ZrO 2 generally achieving smoother surfaces than SS316L, except under specific conditions. These findings suggest ZrO 2 as a viable alternative for enhancing bone-implant interfaces and surgical outcomes in orthopaedics, emphasizing the importance of selecting optimal tool materials and machining parameters to improve bone surface quality, implant fixation, and healing times.

Thermal damage to bone after orthopaedic surgery can cause osteonecrosis, delayed bone healing, lower bone strength, implant failure, and infection concerns. Thermal osteonecrosis can be avoided by using adequate tool selection, ideal cutting parameters, intermittent cuttings, temperature monitoring, personalised surgical plans, etc. This research showcases previous bone-cutting temperatures ( T max ) recorded through milling (44 °C -70 °C). Also, it introduces an innovative method by employing a novel ZrO 2 -based cutting tool against SS316L-based surgical cutting tools. Bone machining experiments were carried out with customised SS316L and bio-ceramic ZrO 2 milling inserts to investigate thermal damages. Feed f  = 0.03 mm/tooth, 0.05 mm/tooth, and speed s  = 900 rpm and 1000 rpm were used for four cutting conditions. Fourth-generation SCADA systems leverage IoT frameworks to process in-situ temperature data from bone workpieces through k-type thermocouples. Bone machining is processed by milling; maximum ( T max )and mean ( T mean ) temperatures are measured. T mean  is essential since it determines the temperature generated when the tool is in contact with the bone for a more extended period. The experiments showed that SS316L-based incisions generated a T max of 36.25 °C to 39 °C and ZrO 2 -based incisions recorded 35 °C to 39.25 °C. Incisions made with ZrO 2 tools had minimal T mean temperatures at f = 0.03 mm/tooth & s = 900 rpm. All ZrO 2- based T mean from the other three cutting parameters are lower than SS316L. Since generated T max and T mean from ZrO 2 -based surgical cuttings are lower than surgical SS316L-based cuttings and also lower than temperatures from previous studies, ZrO 2 -based tools can be the alternative to presently exercised metal-based cutting tools.